├── README.md └── XWWaterFlowLayout ├── XWWaterFlowLayout.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcuserdata │ │ └── WeiXiang.xcuserdatad │ │ └── UserInterfaceState.xcuserstate └── xcuserdata │ └── WeiXiang.xcuserdatad │ └── xcschemes │ ├── XWWaterFlowLayout.xcscheme │ └── xcschememanagement.plist └── XWWaterFlowLayout ├── Assets.xcassets └── AppIcon.appiconset │ └── Contents.json ├── Base.lproj ├── LaunchScreen.storyboard └── Main.storyboard ├── Lib ├── SDWebImage │ ├── MKAnnotationView+WebCache.h │ ├── MKAnnotationView+WebCache.m │ ├── NSData+ImageContentType.h │ ├── NSData+ImageContentType.m │ ├── SDImageCache.h │ ├── SDImageCache.m │ ├── SDWebImageCompat.h │ ├── SDWebImageCompat.m │ ├── SDWebImageDecoder.h │ ├── SDWebImageDecoder.m │ ├── SDWebImageDownloader.h │ ├── SDWebImageDownloader.m │ ├── SDWebImageDownloaderOperation.h │ ├── SDWebImageDownloaderOperation.m │ ├── SDWebImageManager.h │ ├── SDWebImageManager.m │ ├── SDWebImageOperation.h │ ├── SDWebImagePrefetcher.h │ ├── SDWebImagePrefetcher.m │ ├── TYAccount.h │ ├── TYAccount.m │ ├── UIButton+WebCache.h │ ├── UIButton+WebCache.m │ ├── UIImage+GIF.h │ ├── UIImage+GIF.m │ ├── UIImage+MultiFormat.h │ ├── UIImage+MultiFormat.m │ ├── UIImage+WebP.h │ ├── UIImage+WebP.m │ ├── UIImageView+HighlightedWebCache.h │ ├── UIImageView+HighlightedWebCache.m │ ├── UIImageView+WebCache.h │ ├── UIImageView+WebCache.m │ ├── UIView+WebCacheOperation.h │ └── UIView+WebCacheOperation.m ├── TYAsyncNetworking.h └── TYAsyncNetworking.m ├── MVC ├── Controller │ ├── ViewController.h │ └── ViewController.m ├── ImageModel.h ├── ImageModel.m └── View │ ├── XWCollectionViewCell.h │ ├── XWCollectionViewCell.m │ ├── XWCollectionViewCell.xib │ ├── XWWaterFlowLayout.h │ └── XWWaterFlowLayout.m └── Main ├── AppDelegate.h ├── AppDelegate.m ├── Info.plist └── main.m /README.md: -------------------------------------------------------------------------------- 1 | # XWCollectionViewWaterFlow 2 | collectionView瀑布流效果，图片高度自适应，可以后台返回高度，或者从后台返回的图片地址去获取图片高度 3 | ##实现往下滑动导航栏透明度渐变的效果 仿QQ空间效果展示 4 | #使用方法 5 | ##1、导入头文件#import "XWWaterFlowLayout.h" 这个是重写了collectionview的布局方法 6 | ##2、写布局属性并且实现协议代理 7 | XWWaterFlowLayout *layout = [[XWWaterFlowLayout alloc]init]; 8 | layout.delegate = self; 9 | layout.columnsCount = 2; 10 | UICollectionView *collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 64, self.view.frame.size.width, self.view.frame.size.height) collectionViewLayout:layout]; 11 | #实现协议的代理方法 12 | #pragma mark -XWWaterFlowLayoutDelegate- 13 | -(CGFloat) waterFlowLayout:(XWWaterFlowLayout *)waterFlowLayout heightForWidth:(CGFloat)width atIndexPath:(NSIndexPath *)indexPath{ 14 | 15 | ImageModel *model = self.dataArray[indexPath.item]; 16 | 17 | CGFloat height = [[NSString stringWithFormat:@"%@",model.coverHeight] integerValue]; 18 | CGFloat Width = [[NSString stringWithFormat:@"%@",model.coverWidth] integerValue]; 19 | NSLog(@"height = %lf,widht = %lf,scale = %lf",height,Width,height/Width*width); 20 | return height/Width *width; 21 | 22 | } 23 | 24 | 25 | #效果 26 | ![waterFlow icon](http://a4.qpic.cn/psb?/2932833f-be8b-4313-8b40-99918076f4a8/WNfCDauFr*TNCns0LLINVLRBS.HGU6SDfHNgfJsKoeU!/b/dFsBAAAAAAAA&ek=1&kp=1&pt=0&bo=KwEtAisBLQICCCw!&sce=0-12-12&rf=0-18) 27 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout.xcodeproj/project.xcworkspace/xcuserdata/WeiXiang.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/EdwinXiang/XWCollectionViewWaterFlow/d48bd0b8d0716d5bfe683e556257bed2d759d9f5/XWWaterFlowLayout/XWWaterFlowLayout.xcodeproj/project.xcworkspace/xcuserdata/WeiXiang.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout.xcodeproj/xcuserdata/WeiXiang.xcuserdatad/xcschemes/XWWaterFlowLayout.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout.xcodeproj/xcuserdata/WeiXiang.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | XWWaterFlowLayout.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | CE9C12521C321CDA0041C677 16 | 17 | primary 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "29x29", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "40x40", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "40x40", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "60x60", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "60x60", 31 | "scale" : "3x" 32 | } 33 | ], 34 | "info" : { 35 | "version" : 1, 36 | "author" : "xcode" 37 | } 38 | } -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/MKAnnotationView+WebCache.h: -------------------------------------------------------------------------------- 1 | // 2 | // MKAnnotationView+WebCache.h 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 14/03/12. 6 | // Copyright (c) 2012 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import "MapKit/MapKit.h" 10 | #import "SDWebImageManager.h" 11 | 12 | /** 13 | * Integrates SDWebImage async downloading and caching of remote images with MKAnnotationView. 14 | */ 15 | @interface MKAnnotationView (WebCache) 16 | 17 | /** 18 | * Get the current image URL. 19 | * 20 | * Note that because of the limitations of categories this property can get out of sync 21 | * if you use sd_setImage: directly. 22 | */ 23 | - (NSURL *)sd_imageURL; 24 | 25 | /** 26 | * Set the imageView `image` with an `url`. 27 | * 28 | * The download is asynchronous and cached. 29 | * 30 | * @param url The url for the image. 31 | */ 32 | - (void)sd_setImageWithURL:(NSURL *)url; 33 | 34 | /** 35 | * Set the imageView `image` with an `url` and a placeholder. 36 | * 37 | * The download is asynchronous and cached. 38 | * 39 | * @param url The url for the image. 40 | * @param placeholder The image to be set initially, until the image request finishes. 41 | * @see sd_setImageWithURL:placeholderImage:options: 42 | */ 43 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder; 44 | 45 | /** 46 | * Set the imageView `image` with an `url`, placeholder and custom options. 47 | * 48 | * The download is asynchronous and cached. 49 | * 50 | * @param url The url for the image. 51 | * @param placeholder The image to be set initially, until the image request finishes. 52 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 53 | */ 54 | 55 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options; 56 | 57 | /** 58 | * Set the imageView `image` with an `url`. 59 | * 60 | * The download is asynchronous and cached. 61 | * 62 | * @param url The url for the image. 63 | * @param completedBlock A block called when operation has been completed. This block has no return value 64 | * and takes the requested UIImage as first parameter. In case of error the image parameter 65 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 66 | * indicating if the image was retrived from the local cache or from the network. 67 | * The fourth parameter is the original image url. 68 | */ 69 | - (void)sd_setImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock; 70 | 71 | /** 72 | * Set the imageView `image` with an `url`, placeholder. 73 | * 74 | * The download is asynchronous and cached. 75 | * 76 | * @param url The url for the image. 77 | * @param placeholder The image to be set initially, until the image request finishes. 78 | * @param completedBlock A block called when operation has been completed. This block has no return value 79 | * and takes the requested UIImage as first parameter. In case of error the image parameter 80 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 81 | * indicating if the image was retrived from the local cache or from the network. 82 | * The fourth parameter is the original image url. 83 | */ 84 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock; 85 | 86 | /** 87 | * Set the imageView `image` with an `url`, placeholder and custom options. 88 | * 89 | * The download is asynchronous and cached. 90 | * 91 | * @param url The url for the image. 92 | * @param placeholder The image to be set initially, until the image request finishes. 93 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 94 | * @param completedBlock A block called when operation has been completed. This block has no return value 95 | * and takes the requested UIImage as first parameter. In case of error the image parameter 96 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 97 | * indicating if the image was retrived from the local cache or from the network. 98 | * The fourth parameter is the original image url. 99 | */ 100 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 101 | 102 | /** 103 | * Cancel the current download 104 | */ 105 | - (void)sd_cancelCurrentImageLoad; 106 | 107 | @end 108 | 109 | 110 | @interface MKAnnotationView (WebCacheDeprecated) 111 | 112 | - (NSURL *)imageURL __deprecated_msg("Use `sd_imageURL`"); 113 | 114 | - (void)setImageWithURL:(NSURL *)url __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:`"); 115 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:`"); 116 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options:`"); 117 | 118 | - (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:completed:`"); 119 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:completed:`"); 120 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options:completed:`"); 121 | 122 | - (void)cancelCurrentImageLoad __deprecated_msg("Use `sd_cancelCurrentImageLoad`"); 123 | 124 | @end 125 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/MKAnnotationView+WebCache.m: -------------------------------------------------------------------------------- 1 | // 2 | // MKAnnotationView+WebCache.m 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 14/03/12. 6 | // Copyright (c) 2012 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import "MKAnnotationView+WebCache.h" 10 | #import "objc/runtime.h" 11 | #import "UIView+WebCacheOperation.h" 12 | 13 | static char imageURLKey; 14 | 15 | @implementation MKAnnotationView (WebCache) 16 | 17 | - (NSURL *)sd_imageURL { 18 | return objc_getAssociatedObject(self, &imageURLKey); 19 | } 20 | 21 | - (void)sd_setImageWithURL:(NSURL *)url { 22 | [self sd_setImageWithURL:url placeholderImage:nil options:0 completed:nil]; 23 | } 24 | 25 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder { 26 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 completed:nil]; 27 | } 28 | 29 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 30 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options completed:nil]; 31 | } 32 | 33 | - (void)sd_setImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock { 34 | [self sd_setImageWithURL:url placeholderImage:nil options:0 completed:completedBlock]; 35 | } 36 | 37 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 38 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 completed:completedBlock]; 39 | } 40 | 41 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 42 | [self sd_cancelCurrentImageLoad]; 43 | 44 | objc_setAssociatedObject(self, &imageURLKey, url, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 45 | self.image = placeholder; 46 | 47 | if (url) { 48 | __weak MKAnnotationView *wself = self; 49 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 50 | if (!wself) return; 51 | dispatch_main_sync_safe(^{ 52 | __strong MKAnnotationView *sself = wself; 53 | if (!sself) return; 54 | if (image) { 55 | sself.image = image; 56 | } 57 | if (completedBlock && finished) { 58 | completedBlock(image, error, cacheType, url); 59 | } 60 | }); 61 | }]; 62 | [self sd_setImageLoadOperation:operation forKey:@"MKAnnotationViewImage"]; 63 | } else { 64 | dispatch_main_async_safe(^{ 65 | NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 66 | if (completedBlock) { 67 | completedBlock(nil, error, SDImageCacheTypeNone, url); 68 | } 69 | }); 70 | } 71 | } 72 | 73 | - (void)sd_cancelCurrentImageLoad { 74 | [self sd_cancelImageLoadOperationWithKey:@"MKAnnotationViewImage"]; 75 | } 76 | 77 | @end 78 | 79 | 80 | @implementation MKAnnotationView (WebCacheDeprecated) 81 | 82 | - (NSURL *)imageURL { 83 | return [self sd_imageURL]; 84 | } 85 | 86 | - (void)setImageWithURL:(NSURL *)url { 87 | [self sd_setImageWithURL:url placeholderImage:nil options:0 completed:nil]; 88 | } 89 | 90 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder { 91 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 completed:nil]; 92 | } 93 | 94 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 95 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options completed:nil]; 96 | } 97 | 98 | - (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock { 99 | [self sd_setImageWithURL:url placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 100 | if (completedBlock) { 101 | completedBlock(image, error, cacheType); 102 | } 103 | }]; 104 | } 105 | 106 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 107 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 108 | if (completedBlock) { 109 | completedBlock(image, error, cacheType); 110 | } 111 | }]; 112 | } 113 | 114 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 115 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 116 | if (completedBlock) { 117 | completedBlock(image, error, cacheType); 118 | } 119 | }]; 120 | } 121 | 122 | - (void)cancelCurrentImageLoad { 123 | [self sd_cancelCurrentImageLoad]; 124 | } 125 | 126 | @end 127 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/NSData+ImageContentType.h: -------------------------------------------------------------------------------- 1 | // 2 | // Created by Fabrice Aneche on 06/01/14. 3 | // Copyright (c) 2014 Dailymotion. All rights reserved. 4 | // 5 | 6 | #import 7 | 8 | @interface NSData (ImageContentType) 9 | 10 | /** 11 | * Compute the content type for an image data 12 | * 13 | * @param data the input data 14 | * 15 | * @return the content type as string (i.e. image/jpeg, image/gif) 16 | */ 17 | + (NSString *)sd_contentTypeForImageData:(NSData *)data; 18 | 19 | @end 20 | 21 | 22 | @interface NSData (ImageContentTypeDeprecated) 23 | 24 | + (NSString *)contentTypeForImageData:(NSData *)data __deprecated_msg("Use `sd_contentTypeForImageData:`"); 25 | 26 | @end 27 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/NSData+ImageContentType.m: -------------------------------------------------------------------------------- 1 | // 2 | // Created by Fabrice Aneche on 06/01/14. 3 | // Copyright (c) 2014 Dailymotion. All rights reserved. 4 | // 5 | 6 | #import "NSData+ImageContentType.h" 7 | 8 | 9 | @implementation NSData (ImageContentType) 10 | 11 | + (NSString *)sd_contentTypeForImageData:(NSData *)data { 12 | uint8_t c; 13 | [data getBytes:&c length:1]; 14 | switch (c) { 15 | case 0xFF: 16 | return @"image/jpeg"; 17 | case 0x89: 18 | return @"image/png"; 19 | case 0x47: 20 | return @"image/gif"; 21 | case 0x49: 22 | case 0x4D: 23 | return @"image/tiff"; 24 | case 0x52: 25 | // R as RIFF for WEBP 26 | if ([data length] < 12) { 27 | return nil; 28 | } 29 | 30 | NSString *testString = [[NSString alloc] initWithData:[data subdataWithRange:NSMakeRange(0, 12)] encoding:NSASCIIStringEncoding]; 31 | if ([testString hasPrefix:@"RIFF"] && [testString hasSuffix:@"WEBP"]) { 32 | return @"image/webp"; 33 | } 34 | 35 | return nil; 36 | } 37 | return nil; 38 | } 39 | 40 | @end 41 | 42 | 43 | @implementation NSData (ImageContentTypeDeprecated) 44 | 45 | + (NSString *)contentTypeForImageData:(NSData *)data { 46 | return [self sd_contentTypeForImageData:data]; 47 | } 48 | 49 | @end 50 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDImageCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageCompat.h" 11 | 12 | typedef NS_ENUM(NSInteger, SDImageCacheType) { 13 | /** 14 | * The image wasn't available the SDWebImage caches, but was downloaded from the web. 15 | */ 16 | SDImageCacheTypeNone, 17 | /** 18 | * The image was obtained from the disk cache. 19 | */ 20 | SDImageCacheTypeDisk, 21 | /** 22 | * The image was obtained from the memory cache. 23 | */ 24 | SDImageCacheTypeMemory 25 | }; 26 | 27 | typedef void(^SDWebImageQueryCompletedBlock)(UIImage *image, SDImageCacheType cacheType); 28 | 29 | typedef void(^SDWebImageCheckCacheCompletionBlock)(BOOL isInCache); 30 | 31 | typedef void(^SDWebImageCalculateSizeBlock)(NSUInteger fileCount, NSUInteger totalSize); 32 | 33 | /** 34 | * SDImageCache maintains a memory cache and an optional disk cache. Disk cache write operations are performed 35 | * asynchronous so it doesn’t add unnecessary latency to the UI. 36 | */ 37 | @interface SDImageCache : NSObject 38 | 39 | /** 40 | * Decompressing images that are downloaded and cached can improve peformance but can consume lot of memory. 41 | * Defaults to YES. Set this to NO if you are experiencing a crash due to excessive memory consumption. 42 | */ 43 | @property (assign, nonatomic) BOOL shouldDecompressImages; 44 | 45 | /** 46 | * The maximum "total cost" of the in-memory image cache. The cost function is the number of pixels held in memory. 47 | */ 48 | @property (assign, nonatomic) NSUInteger maxMemoryCost; 49 | 50 | /** 51 | * The maximum length of time to keep an image in the cache, in seconds 52 | */ 53 | @property (assign, nonatomic) NSInteger maxCacheAge; 54 | 55 | /** 56 | * The maximum size of the cache, in bytes. 57 | */ 58 | @property (assign, nonatomic) NSUInteger maxCacheSize; 59 | 60 | /** 61 | * Returns global shared cache instance 62 | * 63 | * @return SDImageCache global instance 64 | */ 65 | + (SDImageCache *)sharedImageCache; 66 | 67 | /** 68 | * Init a new cache store with a specific namespace 69 | * 70 | * @param ns The namespace to use for this cache store 71 | */ 72 | - (id)initWithNamespace:(NSString *)ns; 73 | 74 | /** 75 | * Add a read-only cache path to search for images pre-cached by SDImageCache 76 | * Useful if you want to bundle pre-loaded images with your app 77 | * 78 | * @param path The path to use for this read-only cache path 79 | */ 80 | - (void)addReadOnlyCachePath:(NSString *)path; 81 | 82 | /** 83 | * Store an image into memory and disk cache at the given key. 84 | * 85 | * @param image The image to store 86 | * @param key The unique image cache key, usually it's image absolute URL 87 | */ 88 | - (void)storeImage:(UIImage *)image forKey:(NSString *)key; 89 | 90 | /** 91 | * Store an image into memory and optionally disk cache at the given key. 92 | * 93 | * @param image The image to store 94 | * @param key The unique image cache key, usually it's image absolute URL 95 | * @param toDisk Store the image to disk cache if YES 96 | */ 97 | - (void)storeImage:(UIImage *)image forKey:(NSString *)key toDisk:(BOOL)toDisk; 98 | 99 | /** 100 | * Store an image into memory and optionally disk cache at the given key. 101 | * 102 | * @param image The image to store 103 | * @param recalculate BOOL indicates if imageData can be used or a new data should be constructed from the UIImage 104 | * @param imageData The image data as returned by the server, this representation will be used for disk storage 105 | * instead of converting the given image object into a storable/compressed image format in order 106 | * to save quality and CPU 107 | * @param key The unique image cache key, usually it's image absolute URL 108 | * @param toDisk Store the image to disk cache if YES 109 | */ 110 | - (void)storeImage:(UIImage *)image recalculateFromImage:(BOOL)recalculate imageData:(NSData *)imageData forKey:(NSString *)key toDisk:(BOOL)toDisk; 111 | 112 | /** 113 | * Query the disk cache asynchronously. 114 | * 115 | * @param key The unique key used to store the wanted image 116 | */ 117 | - (NSOperation *)queryDiskCacheForKey:(NSString *)key done:(SDWebImageQueryCompletedBlock)doneBlock; 118 | 119 | /** 120 | * Query the memory cache synchronously. 121 | * 122 | * @param key The unique key used to store the wanted image 123 | */ 124 | - (UIImage *)imageFromMemoryCacheForKey:(NSString *)key; 125 | 126 | /** 127 | * Query the disk cache synchronously after checking the memory cache. 128 | * 129 | * @param key The unique key used to store the wanted image 130 | */ 131 | - (UIImage *)imageFromDiskCacheForKey:(NSString *)key; 132 | 133 | /** 134 | * Remove the image from memory and disk cache synchronously 135 | * 136 | * @param key The unique image cache key 137 | */ 138 | - (void)removeImageForKey:(NSString *)key; 139 | 140 | 141 | /** 142 | * Remove the image from memory and disk cache synchronously 143 | * 144 | * @param key The unique image cache key 145 | * @param completion An block that should be executed after the image has been removed (optional) 146 | */ 147 | - (void)removeImageForKey:(NSString *)key withCompletion:(SDWebImageNoParamsBlock)completion; 148 | 149 | /** 150 | * Remove the image from memory and optionally disk cache synchronously 151 | * 152 | * @param key The unique image cache key 153 | * @param fromDisk Also remove cache entry from disk if YES 154 | */ 155 | - (void)removeImageForKey:(NSString *)key fromDisk:(BOOL)fromDisk; 156 | 157 | /** 158 | * Remove the image from memory and optionally disk cache synchronously 159 | * 160 | * @param key The unique image cache key 161 | * @param fromDisk Also remove cache entry from disk if YES 162 | * @param completion An block that should be executed after the image has been removed (optional) 163 | */ 164 | - (void)removeImageForKey:(NSString *)key fromDisk:(BOOL)fromDisk withCompletion:(SDWebImageNoParamsBlock)completion; 165 | 166 | /** 167 | * Clear all memory cached images 168 | */ 169 | - (void)clearMemory; 170 | 171 | /** 172 | * Clear all disk cached images. Non-blocking method - returns immediately. 173 | * @param completion An block that should be executed after cache expiration completes (optional) 174 | */ 175 | - (void)clearDiskOnCompletion:(SDWebImageNoParamsBlock)completion; 176 | 177 | /** 178 | * Clear all disk cached images 179 | * @see clearDiskOnCompletion: 180 | */ 181 | - (void)clearDisk; 182 | 183 | /** 184 | * Remove all expired cached image from disk. Non-blocking method - returns immediately. 185 | * @param completionBlock An block that should be executed after cache expiration completes (optional) 186 | */ 187 | - (void)cleanDiskWithCompletionBlock:(SDWebImageNoParamsBlock)completionBlock; 188 | 189 | /** 190 | * Remove all expired cached image from disk 191 | * @see cleanDiskWithCompletionBlock: 192 | */ 193 | - (void)cleanDisk; 194 | 195 | /** 196 | * Get the size used by the disk cache 197 | */ 198 | - (NSUInteger)getSize; 199 | 200 | /** 201 | * Get the number of images in the disk cache 202 | */ 203 | - (NSUInteger)getDiskCount; 204 | 205 | /** 206 | * Asynchronously calculate the disk cache's size. 207 | */ 208 | - (void)calculateSizeWithCompletionBlock:(SDWebImageCalculateSizeBlock)completionBlock; 209 | 210 | /** 211 | * Async check if image exists in disk cache already (does not load the image) 212 | * 213 | * @param key the key describing the url 214 | * @param completionBlock the block to be executed when the check is done. 215 | * @note the completion block will be always executed on the main queue 216 | */ 217 | - (void)diskImageExistsWithKey:(NSString *)key completion:(SDWebImageCheckCacheCompletionBlock)completionBlock; 218 | 219 | /** 220 | * Check if image exists in disk cache already (does not load the image) 221 | * 222 | * @param key the key describing the url 223 | * 224 | * @return YES if an image exists for the given key 225 | */ 226 | - (BOOL)diskImageExistsWithKey:(NSString *)key; 227 | 228 | /** 229 | * Get the cache path for a certain key (needs the cache path root folder) 230 | * 231 | * @param key the key (can be obtained from url using cacheKeyForURL) 232 | * @param path the cach path root folder 233 | * 234 | * @return the cache path 235 | */ 236 | - (NSString *)cachePathForKey:(NSString *)key inPath:(NSString *)path; 237 | 238 | /** 239 | * Get the default cache path for a certain key 240 | * 241 | * @param key the key (can be obtained from url using cacheKeyForURL) 242 | * 243 | * @return the default cache path 244 | */ 245 | - (NSString *)defaultCachePathForKey:(NSString *)key; 246 | 247 | @end 248 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageCompat.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * (c) Jamie Pinkham 5 | * 6 | * For the full copyright and license information, please view the LICENSE 7 | * file that was distributed with this source code. 8 | */ 9 | 10 | #import 11 | 12 | #ifdef __OBJC_GC__ 13 | #error SDWebImage does not support Objective-C Garbage Collection 14 | #endif 15 | 16 | #if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_5_0 17 | #error SDWebImage doesn't support Deployement Target version < 5.0 18 | #endif 19 | 20 | #if !TARGET_OS_IPHONE 21 | #import 22 | #ifndef UIImage 23 | #define UIImage NSImage 24 | #endif 25 | #ifndef UIImageView 26 | #define UIImageView NSImageView 27 | #endif 28 | #else 29 | 30 | #import 31 | 32 | #endif 33 | 34 | #ifndef NS_ENUM 35 | #define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type 36 | #endif 37 | 38 | #ifndef NS_OPTIONS 39 | #define NS_OPTIONS(_type, _name) enum _name : _type _name; enum _name : _type 40 | #endif 41 | 42 | #if OS_OBJECT_USE_OBJC 43 | #undef SDDispatchQueueRelease 44 | #undef SDDispatchQueueSetterSementics 45 | #define SDDispatchQueueRelease(q) 46 | #define SDDispatchQueueSetterSementics strong 47 | #else 48 | #undef SDDispatchQueueRelease 49 | #undef SDDispatchQueueSetterSementics 50 | #define SDDispatchQueueRelease(q) (dispatch_release(q)) 51 | #define SDDispatchQueueSetterSementics assign 52 | #endif 53 | 54 | extern UIImage *SDScaledImageForKey(NSString *key, UIImage *image); 55 | 56 | typedef void(^SDWebImageNoParamsBlock)(); 57 | 58 | #define dispatch_main_sync_safe(block)\ 59 | if ([NSThread isMainThread]) {\ 60 | block();\ 61 | } else {\ 62 | dispatch_sync(dispatch_get_main_queue(), block);\ 63 | } 64 | 65 | #define dispatch_main_async_safe(block)\ 66 | if ([NSThread isMainThread]) {\ 67 | block();\ 68 | } else {\ 69 | dispatch_async(dispatch_get_main_queue(), block);\ 70 | } 71 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageCompat.m: -------------------------------------------------------------------------------- 1 | // 2 | // SDWebImageCompat.m 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 11/12/12. 6 | // Copyright (c) 2012 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import "SDWebImageCompat.h" 10 | 11 | #if !__has_feature(objc_arc) 12 | #error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag 13 | #endif 14 | 15 | inline UIImage *SDScaledImageForKey(NSString *key, UIImage *image) { 16 | if (!image) { 17 | return nil; 18 | } 19 | 20 | if ([image.images count] > 0) { 21 | NSMutableArray *scaledImages = [NSMutableArray array]; 22 | 23 | for (UIImage *tempImage in image.images) { 24 | [scaledImages addObject:SDScaledImageForKey(key, tempImage)]; 25 | } 26 | 27 | return [UIImage animatedImageWithImages:scaledImages duration:image.duration]; 28 | } 29 | else { 30 | if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) { 31 | CGFloat scale = 1.0; 32 | if (key.length >= 8) { 33 | // Search @2x. at the end of the string, before a 3 to 4 extension length (only if key len is 8 or more @2x. + 4 len ext) 34 | NSRange range = [key rangeOfString:@"@2x." options:0 range:NSMakeRange(key.length - 8, 5)]; 35 | if (range.location != NSNotFound) { 36 | scale = 2.0; 37 | } 38 | } 39 | 40 | UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation]; 41 | image = scaledImage; 42 | } 43 | return image; 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageDecoder.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * Created by james on 9/28/11. 6 | * 7 | * For the full copyright and license information, please view the LICENSE 8 | * file that was distributed with this source code. 9 | */ 10 | 11 | #import 12 | #import "SDWebImageCompat.h" 13 | 14 | @interface UIImage (ForceDecode) 15 | 16 | + (UIImage *)decodedImageWithImage:(UIImage *)image; 17 | 18 | @end 19 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageDecoder.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * Created by james on 9/28/11. 6 | * 7 | * For the full copyright and license information, please view the LICENSE 8 | * file that was distributed with this source code. 9 | */ 10 | 11 | #import "SDWebImageDecoder.h" 12 | 13 | @implementation UIImage (ForceDecode) 14 | 15 | + (UIImage *)decodedImageWithImage:(UIImage *)image { 16 | if (image.images) { 17 | // Do not decode animated images 18 | return image; 19 | } 20 | 21 | CGImageRef imageRef = image.CGImage; 22 | CGSize imageSize = CGSizeMake(CGImageGetWidth(imageRef), CGImageGetHeight(imageRef)); 23 | CGRect imageRect = (CGRect){.origin = CGPointZero, .size = imageSize}; 24 | 25 | CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); 26 | CGBitmapInfo bitmapInfo = CGImageGetBitmapInfo(imageRef); 27 | 28 | int infoMask = (bitmapInfo & kCGBitmapAlphaInfoMask); 29 | BOOL anyNonAlpha = (infoMask == kCGImageAlphaNone || 30 | infoMask == kCGImageAlphaNoneSkipFirst || 31 | infoMask == kCGImageAlphaNoneSkipLast); 32 | 33 | // CGBitmapContextCreate doesn't support kCGImageAlphaNone with RGB. 34 | // https://developer.apple.com/library/mac/#qa/qa1037/_index.html 35 | if (infoMask == kCGImageAlphaNone && CGColorSpaceGetNumberOfComponents(colorSpace) > 1) { 36 | // Unset the old alpha info. 37 | bitmapInfo &= ~kCGBitmapAlphaInfoMask; 38 | 39 | // Set noneSkipFirst. 40 | bitmapInfo |= kCGImageAlphaNoneSkipFirst; 41 | } 42 | // Some PNGs tell us they have alpha but only 3 components. Odd. 43 | else if (!anyNonAlpha && CGColorSpaceGetNumberOfComponents(colorSpace) == 3) { 44 | // Unset the old alpha info. 45 | bitmapInfo &= ~kCGBitmapAlphaInfoMask; 46 | bitmapInfo |= kCGImageAlphaPremultipliedFirst; 47 | } 48 | 49 | // It calculates the bytes-per-row based on the bitsPerComponent and width arguments. 50 | CGContextRef context = CGBitmapContextCreate(NULL, 51 | imageSize.width, 52 | imageSize.height, 53 | CGImageGetBitsPerComponent(imageRef), 54 | 0, 55 | colorSpace, 56 | bitmapInfo); 57 | CGColorSpaceRelease(colorSpace); 58 | 59 | // If failed, return undecompressed image 60 | if (!context) return image; 61 | 62 | CGContextDrawImage(context, imageRect, imageRef); 63 | CGImageRef decompressedImageRef = CGBitmapContextCreateImage(context); 64 | 65 | CGContextRelease(context); 66 | 67 | UIImage *decompressedImage = [UIImage imageWithCGImage:decompressedImageRef scale:image.scale orientation:image.imageOrientation]; 68 | CGImageRelease(decompressedImageRef); 69 | return decompressedImage; 70 | } 71 | 72 | @end 73 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageDownloader.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageCompat.h" 11 | #import "SDWebImageOperation.h" 12 | 13 | typedef NS_OPTIONS(NSUInteger, SDWebImageDownloaderOptions) { 14 | SDWebImageDownloaderLowPriority = 1 << 0, 15 | SDWebImageDownloaderProgressiveDownload = 1 << 1, 16 | 17 | /** 18 | * By default, request prevent the of NSURLCache. With this flag, NSURLCache 19 | * is used with default policies. 20 | */ 21 | SDWebImageDownloaderUseNSURLCache = 1 << 2, 22 | 23 | /** 24 | * Call completion block with nil image/imageData if the image was read from NSURLCache 25 | * (to be combined with `SDWebImageDownloaderUseNSURLCache`). 26 | */ 27 | 28 | SDWebImageDownloaderIgnoreCachedResponse = 1 << 3, 29 | /** 30 | * In iOS 4+, continue the download of the image if the app goes to background. This is achieved by asking the system for 31 | * extra time in background to let the request finish. If the background task expires the operation will be cancelled. 32 | */ 33 | 34 | SDWebImageDownloaderContinueInBackground = 1 << 4, 35 | 36 | /** 37 | * Handles cookies stored in NSHTTPCookieStore by setting 38 | * NSMutableURLRequest.HTTPShouldHandleCookies = YES; 39 | */ 40 | SDWebImageDownloaderHandleCookies = 1 << 5, 41 | 42 | /** 43 | * Enable to allow untrusted SSL ceriticates. 44 | * Useful for testing purposes. Use with caution in production. 45 | */ 46 | SDWebImageDownloaderAllowInvalidSSLCertificates = 1 << 6, 47 | 48 | /** 49 | * Put the image in the high priority queue. 50 | */ 51 | SDWebImageDownloaderHighPriority = 1 << 7, 52 | }; 53 | 54 | typedef NS_ENUM(NSInteger, SDWebImageDownloaderExecutionOrder) { 55 | /** 56 | * Default value. All download operations will execute in queue style (first-in-first-out). 57 | */ 58 | SDWebImageDownloaderFIFOExecutionOrder, 59 | 60 | /** 61 | * All download operations will execute in stack style (last-in-first-out). 62 | */ 63 | SDWebImageDownloaderLIFOExecutionOrder 64 | }; 65 | 66 | extern NSString *const SDWebImageDownloadStartNotification; 67 | extern NSString *const SDWebImageDownloadStopNotification; 68 | 69 | typedef void(^SDWebImageDownloaderProgressBlock)(NSInteger receivedSize, NSInteger expectedSize); 70 | 71 | typedef void(^SDWebImageDownloaderCompletedBlock)(UIImage *image, NSData *data, NSError *error, BOOL finished); 72 | 73 | typedef NSDictionary *(^SDWebImageDownloaderHeadersFilterBlock)(NSURL *url, NSDictionary *headers); 74 | 75 | /** 76 | * Asynchronous downloader dedicated and optimized for image loading. 77 | */ 78 | @interface SDWebImageDownloader : NSObject 79 | 80 | /** 81 | * Decompressing images that are downloaded and cached can improve peformance but can consume lot of memory. 82 | * Defaults to YES. Set this to NO if you are experiencing a crash due to excessive memory consumption. 83 | */ 84 | @property (assign, nonatomic) BOOL shouldDecompressImages; 85 | 86 | @property (assign, nonatomic) NSInteger maxConcurrentDownloads; 87 | 88 | /** 89 | * Shows the current amount of downloads that still need to be downloaded 90 | */ 91 | @property (readonly, nonatomic) NSUInteger currentDownloadCount; 92 | 93 | 94 | /** 95 | * The timeout value (in seconds) for the download operation. Default: 15.0. 96 | */ 97 | @property (assign, nonatomic) NSTimeInterval downloadTimeout; 98 | 99 | 100 | /** 101 | * Changes download operations execution order. Default value is `SDWebImageDownloaderFIFOExecutionOrder`. 102 | */ 103 | @property (assign, nonatomic) SDWebImageDownloaderExecutionOrder executionOrder; 104 | 105 | /** 106 | * Singleton method, returns the shared instance 107 | * 108 | * @return global shared instance of downloader class 109 | */ 110 | + (SDWebImageDownloader *)sharedDownloader; 111 | 112 | /** 113 | * Set username 114 | */ 115 | @property (strong, nonatomic) NSString *username; 116 | 117 | /** 118 | * Set password 119 | */ 120 | @property (strong, nonatomic) NSString *password; 121 | 122 | /** 123 | * Set filter to pick headers for downloading image HTTP request. 124 | * 125 | * This block will be invoked for each downloading image request, returned 126 | * NSDictionary will be used as headers in corresponding HTTP request. 127 | */ 128 | @property (nonatomic, copy) SDWebImageDownloaderHeadersFilterBlock headersFilter; 129 | 130 | /** 131 | * Set a value for a HTTP header to be appended to each download HTTP request. 132 | * 133 | * @param value The value for the header field. Use `nil` value to remove the header. 134 | * @param field The name of the header field to set. 135 | */ 136 | - (void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field; 137 | 138 | /** 139 | * Returns the value of the specified HTTP header field. 140 | * 141 | * @return The value associated with the header field field, or `nil` if there is no corresponding header field. 142 | */ 143 | - (NSString *)valueForHTTPHeaderField:(NSString *)field; 144 | 145 | /** 146 | * Sets a subclass of `SDWebImageDownloaderOperation` as the default 147 | * `NSOperation` to be used each time SDWebImage constructs a request 148 | * operation to download an image. 149 | * 150 | * @param operationClass The subclass of `SDWebImageDownloaderOperation` to set 151 | * as default. Passing `nil` will revert to `SDWebImageDownloaderOperation`. 152 | */ 153 | - (void)setOperationClass:(Class)operationClass; 154 | 155 | /** 156 | * Creates a SDWebImageDownloader async downloader instance with a given URL 157 | * 158 | * The delegate will be informed when the image is finish downloaded or an error has happen. 159 | * 160 | * @see SDWebImageDownloaderDelegate 161 | * 162 | * @param url The URL to the image to download 163 | * @param options The options to be used for this download 164 | * @param progressBlock A block called repeatedly while the image is downloading 165 | * @param completedBlock A block called once the download is completed. 166 | * If the download succeeded, the image parameter is set, in case of error, 167 | * error parameter is set with the error. The last parameter is always YES 168 | * if SDWebImageDownloaderProgressiveDownload isn't use. With the 169 | * SDWebImageDownloaderProgressiveDownload option, this block is called 170 | * repeatedly with the partial image object and the finished argument set to NO 171 | * before to be called a last time with the full image and finished argument 172 | * set to YES. In case of error, the finished argument is always YES. 173 | * 174 | * @return A cancellable SDWebImageOperation 175 | */ 176 | - (id )downloadImageWithURL:(NSURL *)url 177 | options:(SDWebImageDownloaderOptions)options 178 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 179 | completed:(SDWebImageDownloaderCompletedBlock)completedBlock; 180 | 181 | /** 182 | * Sets the download queue suspension state 183 | */ 184 | - (void)setSuspended:(BOOL)suspended; 185 | 186 | @end 187 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageDownloader.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageDownloader.h" 10 | #import "SDWebImageDownloaderOperation.h" 11 | #import 12 | 13 | NSString *const SDWebImageDownloadStartNotification = @"SDWebImageDownloadStartNotification"; 14 | NSString *const SDWebImageDownloadStopNotification = @"SDWebImageDownloadStopNotification"; 15 | 16 | static NSString *const kProgressCallbackKey = @"progress"; 17 | static NSString *const kCompletedCallbackKey = @"completed"; 18 | 19 | @interface SDWebImageDownloader () 20 | 21 | @property (strong, nonatomic) NSOperationQueue *downloadQueue; 22 | @property (weak, nonatomic) NSOperation *lastAddedOperation; 23 | @property (assign, nonatomic) Class operationClass; 24 | @property (strong, nonatomic) NSMutableDictionary *URLCallbacks; 25 | @property (strong, nonatomic) NSMutableDictionary *HTTPHeaders; 26 | // This queue is used to serialize the handling of the network responses of all the download operation in a single queue 27 | @property (SDDispatchQueueSetterSementics, nonatomic) dispatch_queue_t barrierQueue; 28 | 29 | @end 30 | 31 | @implementation SDWebImageDownloader 32 | 33 | + (void)initialize { 34 | // Bind SDNetworkActivityIndicator if available (download it here: http://github.com/rs/SDNetworkActivityIndicator ) 35 | // To use it, just add #import "SDNetworkActivityIndicator.h" in addition to the SDWebImage import 36 | if (NSClassFromString(@"SDNetworkActivityIndicator")) { 37 | 38 | #pragma clang diagnostic push 39 | #pragma clang diagnostic ignored "-Warc-performSelector-leaks" 40 | id activityIndicator = [NSClassFromString(@"SDNetworkActivityIndicator") performSelector:NSSelectorFromString(@"sharedActivityIndicator")]; 41 | #pragma clang diagnostic pop 42 | 43 | // Remove observer in case it was previously added. 44 | [[NSNotificationCenter defaultCenter] removeObserver:activityIndicator name:SDWebImageDownloadStartNotification object:nil]; 45 | [[NSNotificationCenter defaultCenter] removeObserver:activityIndicator name:SDWebImageDownloadStopNotification object:nil]; 46 | 47 | [[NSNotificationCenter defaultCenter] addObserver:activityIndicator 48 | selector:NSSelectorFromString(@"startActivity") 49 | name:SDWebImageDownloadStartNotification object:nil]; 50 | [[NSNotificationCenter defaultCenter] addObserver:activityIndicator 51 | selector:NSSelectorFromString(@"stopActivity") 52 | name:SDWebImageDownloadStopNotification object:nil]; 53 | } 54 | } 55 | 56 | + (SDWebImageDownloader *)sharedDownloader { 57 | static dispatch_once_t once; 58 | static id instance; 59 | dispatch_once(&once, ^{ 60 | instance = [self new]; 61 | }); 62 | return instance; 63 | } 64 | 65 | - (id)init { 66 | if ((self = [super init])) { 67 | _operationClass = [SDWebImageDownloaderOperation class]; 68 | _shouldDecompressImages = YES; 69 | _executionOrder = SDWebImageDownloaderFIFOExecutionOrder; 70 | _downloadQueue = [NSOperationQueue new]; 71 | _downloadQueue.maxConcurrentOperationCount = 6; 72 | _URLCallbacks = [NSMutableDictionary new]; 73 | _HTTPHeaders = [NSMutableDictionary dictionaryWithObject:@"image/webp,image/*;q=0.8" forKey:@"Accept"]; 74 | _barrierQueue = dispatch_queue_create("com.hackemist.SDWebImageDownloaderBarrierQueue", DISPATCH_QUEUE_CONCURRENT); 75 | _downloadTimeout = 15.0; 76 | } 77 | return self; 78 | } 79 | 80 | - (void)dealloc { 81 | [self.downloadQueue cancelAllOperations]; 82 | SDDispatchQueueRelease(_barrierQueue); 83 | } 84 | 85 | - (void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field { 86 | if (value) { 87 | self.HTTPHeaders[field] = value; 88 | } 89 | else { 90 | [self.HTTPHeaders removeObjectForKey:field]; 91 | } 92 | } 93 | 94 | - (NSString *)valueForHTTPHeaderField:(NSString *)field { 95 | return self.HTTPHeaders[field]; 96 | } 97 | 98 | - (void)setMaxConcurrentDownloads:(NSInteger)maxConcurrentDownloads { 99 | _downloadQueue.maxConcurrentOperationCount = maxConcurrentDownloads; 100 | } 101 | 102 | - (NSUInteger)currentDownloadCount { 103 | return _downloadQueue.operationCount; 104 | } 105 | 106 | - (NSInteger)maxConcurrentDownloads { 107 | return _downloadQueue.maxConcurrentOperationCount; 108 | } 109 | 110 | - (void)setOperationClass:(Class)operationClass { 111 | _operationClass = operationClass ?: [SDWebImageDownloaderOperation class]; 112 | } 113 | 114 | - (id )downloadImageWithURL:(NSURL *)url options:(SDWebImageDownloaderOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageDownloaderCompletedBlock)completedBlock { 115 | __block SDWebImageDownloaderOperation *operation; 116 | __weak SDWebImageDownloader *wself = self; 117 | 118 | [self addProgressCallback:progressBlock andCompletedBlock:completedBlock forURL:url createCallback:^{ 119 | NSTimeInterval timeoutInterval = wself.downloadTimeout; 120 | if (timeoutInterval == 0.0) { 121 | timeoutInterval = 15.0; 122 | } 123 | 124 | // In order to prevent from potential duplicate caching (NSURLCache + SDImageCache) we disable the cache for image requests if told otherwise 125 | NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:(options & SDWebImageDownloaderUseNSURLCache ? NSURLRequestUseProtocolCachePolicy : NSURLRequestReloadIgnoringLocalCacheData) timeoutInterval:timeoutInterval]; 126 | request.HTTPShouldHandleCookies = (options & SDWebImageDownloaderHandleCookies); 127 | request.HTTPShouldUsePipelining = YES; 128 | if (wself.headersFilter) { 129 | request.allHTTPHeaderFields = wself.headersFilter(url, [wself.HTTPHeaders copy]); 130 | } 131 | else { 132 | request.allHTTPHeaderFields = wself.HTTPHeaders; 133 | } 134 | operation = [[wself.operationClass alloc] initWithRequest:request 135 | options:options 136 | progress:^(NSInteger receivedSize, NSInteger expectedSize) { 137 | SDWebImageDownloader *sself = wself; 138 | if (!sself) return; 139 | __block NSArray *callbacksForURL; 140 | dispatch_sync(sself.barrierQueue, ^{ 141 | callbacksForURL = [sself.URLCallbacks[url] copy]; 142 | }); 143 | for (NSDictionary *callbacks in callbacksForURL) { 144 | SDWebImageDownloaderProgressBlock callback = callbacks[kProgressCallbackKey]; 145 | if (callback) callback(receivedSize, expectedSize); 146 | } 147 | } 148 | completed:^(UIImage *image, NSData *data, NSError *error, BOOL finished) { 149 | SDWebImageDownloader *sself = wself; 150 | if (!sself) return; 151 | __block NSArray *callbacksForURL; 152 | dispatch_barrier_sync(sself.barrierQueue, ^{ 153 | callbacksForURL = [sself.URLCallbacks[url] copy]; 154 | if (finished) { 155 | [sself.URLCallbacks removeObjectForKey:url]; 156 | } 157 | }); 158 | for (NSDictionary *callbacks in callbacksForURL) { 159 | SDWebImageDownloaderCompletedBlock callback = callbacks[kCompletedCallbackKey]; 160 | if (callback) callback(image, data, error, finished); 161 | } 162 | } 163 | cancelled:^{ 164 | SDWebImageDownloader *sself = wself; 165 | if (!sself) return; 166 | dispatch_barrier_async(sself.barrierQueue, ^{ 167 | [sself.URLCallbacks removeObjectForKey:url]; 168 | }); 169 | }]; 170 | operation.shouldDecompressImages = wself.shouldDecompressImages; 171 | 172 | if (wself.username && wself.password) { 173 | operation.credential = [NSURLCredential credentialWithUser:wself.username password:wself.password persistence:NSURLCredentialPersistenceForSession]; 174 | } 175 | 176 | if (options & SDWebImageDownloaderHighPriority) { 177 | operation.queuePriority = NSOperationQueuePriorityHigh; 178 | } else if (options & SDWebImageDownloaderLowPriority) { 179 | operation.queuePriority = NSOperationQueuePriorityLow; 180 | } 181 | 182 | [wself.downloadQueue addOperation:operation]; 183 | if (wself.executionOrder == SDWebImageDownloaderLIFOExecutionOrder) { 184 | // Emulate LIFO execution order by systematically adding new operations as last operation's dependency 185 | [wself.lastAddedOperation addDependency:operation]; 186 | wself.lastAddedOperation = operation; 187 | } 188 | }]; 189 | 190 | return operation; 191 | } 192 | 193 | - (void)addProgressCallback:(SDWebImageDownloaderProgressBlock)progressBlock andCompletedBlock:(SDWebImageDownloaderCompletedBlock)completedBlock forURL:(NSURL *)url createCallback:(SDWebImageNoParamsBlock)createCallback { 194 | // The URL will be used as the key to the callbacks dictionary so it cannot be nil. If it is nil immediately call the completed block with no image or data. 195 | if (url == nil) { 196 | if (completedBlock != nil) { 197 | completedBlock(nil, nil, nil, NO); 198 | } 199 | return; 200 | } 201 | 202 | dispatch_barrier_sync(self.barrierQueue, ^{ 203 | BOOL first = NO; 204 | if (!self.URLCallbacks[url]) { 205 | self.URLCallbacks[url] = [NSMutableArray new]; 206 | first = YES; 207 | } 208 | 209 | // Handle single download of simultaneous download request for the same URL 210 | NSMutableArray *callbacksForURL = self.URLCallbacks[url]; 211 | NSMutableDictionary *callbacks = [NSMutableDictionary new]; 212 | if (progressBlock) callbacks[kProgressCallbackKey] = [progressBlock copy]; 213 | if (completedBlock) callbacks[kCompletedCallbackKey] = [completedBlock copy]; 214 | [callbacksForURL addObject:callbacks]; 215 | self.URLCallbacks[url] = callbacksForURL; 216 | 217 | if (first) { 218 | createCallback(); 219 | } 220 | }); 221 | } 222 | 223 | - (void)setSuspended:(BOOL)suspended { 224 | [self.downloadQueue setSuspended:suspended]; 225 | } 226 | 227 | @end 228 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageDownloaderOperation.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageDownloader.h" 11 | #import "SDWebImageOperation.h" 12 | 13 | @interface SDWebImageDownloaderOperation : NSOperation 14 | 15 | /** 16 | * The request used by the operation's connection. 17 | */ 18 | @property (strong, nonatomic, readonly) NSURLRequest *request; 19 | 20 | 21 | @property (assign, nonatomic) BOOL shouldDecompressImages; 22 | 23 | /** 24 | * Whether the URL connection should consult the credential storage for authenticating the connection. `YES` by default. 25 | * 26 | * This is the value that is returned in the `NSURLConnectionDelegate` method `-connectionShouldUseCredentialStorage:`. 27 | */ 28 | @property (nonatomic, assign) BOOL shouldUseCredentialStorage; 29 | 30 | /** 31 | * The credential used for authentication challenges in `-connection:didReceiveAuthenticationChallenge:`. 32 | * 33 | * This will be overridden by any shared credentials that exist for the username or password of the request URL, if present. 34 | */ 35 | @property (nonatomic, strong) NSURLCredential *credential; 36 | 37 | /** 38 | * The SDWebImageDownloaderOptions for the receiver. 39 | */ 40 | @property (assign, nonatomic, readonly) SDWebImageDownloaderOptions options; 41 | 42 | /** 43 | * Initializes a `SDWebImageDownloaderOperation` object 44 | * 45 | * @see SDWebImageDownloaderOperation 46 | * 47 | * @param request the URL request 48 | * @param options downloader options 49 | * @param progressBlock the block executed when a new chunk of data arrives. 50 | * @note the progress block is executed on a background queue 51 | * @param completedBlock the block executed when the download is done. 52 | * @note the completed block is executed on the main queue for success. If errors are found, there is a chance the block will be executed on a background queue 53 | * @param cancelBlock the block executed if the download (operation) is cancelled 54 | * 55 | * @return the initialized instance 56 | */ 57 | - (id)initWithRequest:(NSURLRequest *)request 58 | options:(SDWebImageDownloaderOptions)options 59 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 60 | completed:(SDWebImageDownloaderCompletedBlock)completedBlock 61 | cancelled:(SDWebImageNoParamsBlock)cancelBlock; 62 | 63 | @end 64 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageDownloaderOperation.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageDownloaderOperation.h" 10 | #import "SDWebImageDecoder.h" 11 | #import "UIImage+MultiFormat.h" 12 | #import 13 | #import "SDWebImageManager.h" 14 | 15 | @interface SDWebImageDownloaderOperation () 16 | 17 | @property (copy, nonatomic) SDWebImageDownloaderProgressBlock progressBlock; 18 | @property (copy, nonatomic) SDWebImageDownloaderCompletedBlock completedBlock; 19 | @property (copy, nonatomic) SDWebImageNoParamsBlock cancelBlock; 20 | 21 | @property (assign, nonatomic, getter = isExecuting) BOOL executing; 22 | @property (assign, nonatomic, getter = isFinished) BOOL finished; 23 | @property (assign, nonatomic) NSInteger expectedSize; 24 | @property (strong, nonatomic) NSMutableData *imageData; 25 | @property (strong, nonatomic) NSURLConnection *connection; 26 | @property (strong, atomic) NSThread *thread; 27 | 28 | #if TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_4_0 29 | @property (assign, nonatomic) UIBackgroundTaskIdentifier backgroundTaskId; 30 | #endif 31 | 32 | @end 33 | 34 | @implementation SDWebImageDownloaderOperation { 35 | size_t width, height; 36 | UIImageOrientation orientation; 37 | BOOL responseFromCached; 38 | } 39 | 40 | @synthesize executing = _executing; 41 | @synthesize finished = _finished; 42 | 43 | - (id)initWithRequest:(NSURLRequest *)request 44 | options:(SDWebImageDownloaderOptions)options 45 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 46 | completed:(SDWebImageDownloaderCompletedBlock)completedBlock 47 | cancelled:(SDWebImageNoParamsBlock)cancelBlock { 48 | if ((self = [super init])) { 49 | _request = request; 50 | _shouldDecompressImages = YES; 51 | _shouldUseCredentialStorage = YES; 52 | _options = options; 53 | _progressBlock = [progressBlock copy]; 54 | _completedBlock = [completedBlock copy]; 55 | _cancelBlock = [cancelBlock copy]; 56 | _executing = NO; 57 | _finished = NO; 58 | _expectedSize = 0; 59 | responseFromCached = YES; // Initially wrong until `connection:willCacheResponse:` is called or not called 60 | } 61 | return self; 62 | } 63 | 64 | - (void)start { 65 | @synchronized (self) { 66 | if (self.isCancelled) { 67 | self.finished = YES; 68 | [self reset]; 69 | return; 70 | } 71 | 72 | #if TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_4_0 73 | if ([self shouldContinueWhenAppEntersBackground]) { 74 | __weak __typeof__ (self) wself = self; 75 | self.backgroundTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{ 76 | __strong __typeof (wself) sself = wself; 77 | 78 | if (sself) { 79 | [sself cancel]; 80 | 81 | [[UIApplication sharedApplication] endBackgroundTask:sself.backgroundTaskId]; 82 | sself.backgroundTaskId = UIBackgroundTaskInvalid; 83 | } 84 | }]; 85 | } 86 | #endif 87 | 88 | self.executing = YES; 89 | self.connection = [[NSURLConnection alloc] initWithRequest:self.request delegate:self startImmediately:NO]; 90 | self.thread = [NSThread currentThread]; 91 | } 92 | 93 | [self.connection start]; 94 | 95 | if (self.connection) { 96 | if (self.progressBlock) { 97 | self.progressBlock(0, NSURLResponseUnknownLength); 98 | } 99 | dispatch_async(dispatch_get_main_queue(), ^{ 100 | [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStartNotification object:self]; 101 | }); 102 | 103 | if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_5_1) { 104 | // Make sure to run the runloop in our background thread so it can process downloaded data 105 | // Note: we use a timeout to work around an issue with NSURLConnection cancel under iOS 5 106 | // not waking up the runloop, leading to dead threads (see https://github.com/rs/SDWebImage/issues/466) 107 | CFRunLoopRunInMode(kCFRunLoopDefaultMode, 10, false); 108 | } 109 | else { 110 | CFRunLoopRun(); 111 | } 112 | 113 | if (!self.isFinished) { 114 | [self.connection cancel]; 115 | [self connection:self.connection didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorTimedOut userInfo:@{NSURLErrorFailingURLErrorKey : self.request.URL}]]; 116 | } 117 | } 118 | else { 119 | if (self.completedBlock) { 120 | self.completedBlock(nil, nil, [NSError errorWithDomain:NSURLErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey : @"Connection can't be initialized"}], YES); 121 | } 122 | } 123 | 124 | #if TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_4_0 125 | if (self.backgroundTaskId != UIBackgroundTaskInvalid) { 126 | [[UIApplication sharedApplication] endBackgroundTask:self.backgroundTaskId]; 127 | self.backgroundTaskId = UIBackgroundTaskInvalid; 128 | } 129 | #endif 130 | } 131 | 132 | - (void)cancel { 133 | @synchronized (self) { 134 | if (self.thread) { 135 | [self performSelector:@selector(cancelInternalAndStop) onThread:self.thread withObject:nil waitUntilDone:NO]; 136 | } 137 | else { 138 | [self cancelInternal]; 139 | } 140 | } 141 | } 142 | 143 | - (void)cancelInternalAndStop { 144 | if (self.isFinished) return; 145 | [self cancelInternal]; 146 | CFRunLoopStop(CFRunLoopGetCurrent()); 147 | } 148 | 149 | - (void)cancelInternal { 150 | if (self.isFinished) return; 151 | [super cancel]; 152 | if (self.cancelBlock) self.cancelBlock(); 153 | 154 | if (self.connection) { 155 | [self.connection cancel]; 156 | dispatch_async(dispatch_get_main_queue(), ^{ 157 | [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStopNotification object:self]; 158 | }); 159 | 160 | // As we cancelled the connection, its callback won't be called and thus won't 161 | // maintain the isFinished and isExecuting flags. 162 | if (self.isExecuting) self.executing = NO; 163 | if (!self.isFinished) self.finished = YES; 164 | } 165 | 166 | [self reset]; 167 | } 168 | 169 | - (void)done { 170 | self.finished = YES; 171 | self.executing = NO; 172 | [self reset]; 173 | } 174 | 175 | - (void)reset { 176 | self.cancelBlock = nil; 177 | self.completedBlock = nil; 178 | self.progressBlock = nil; 179 | self.connection = nil; 180 | self.imageData = nil; 181 | self.thread = nil; 182 | } 183 | 184 | - (void)setFinished:(BOOL)finished { 185 | [self willChangeValueForKey:@"isFinished"]; 186 | _finished = finished; 187 | [self didChangeValueForKey:@"isFinished"]; 188 | } 189 | 190 | - (void)setExecuting:(BOOL)executing { 191 | [self willChangeValueForKey:@"isExecuting"]; 192 | _executing = executing; 193 | [self didChangeValueForKey:@"isExecuting"]; 194 | } 195 | 196 | - (BOOL)isConcurrent { 197 | return YES; 198 | } 199 | 200 | #pragma mark NSURLConnection (delegate) 201 | 202 | - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { 203 | 204 | //'304 Not Modified' is an exceptional one 205 | if ((![response respondsToSelector:@selector(statusCode)] || [((NSHTTPURLResponse *)response) statusCode] < 400) && [((NSHTTPURLResponse *)response) statusCode] != 304) { 206 | NSInteger expected = response.expectedContentLength > 0 ? (NSInteger)response.expectedContentLength : 0; 207 | self.expectedSize = expected; 208 | if (self.progressBlock) { 209 | self.progressBlock(0, expected); 210 | } 211 | 212 | self.imageData = [[NSMutableData alloc] initWithCapacity:expected]; 213 | } 214 | else { 215 | NSUInteger code = [((NSHTTPURLResponse *)response) statusCode]; 216 | 217 | //This is the case when server returns '304 Not Modified'. It means that remote image is not changed. 218 | //In case of 304 we need just cancel the operation and return cached image from the cache. 219 | if (code == 304) { 220 | [self cancelInternal]; 221 | } else { 222 | [self.connection cancel]; 223 | } 224 | dispatch_async(dispatch_get_main_queue(), ^{ 225 | [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStopNotification object:nil]; 226 | }); 227 | 228 | if (self.completedBlock) { 229 | self.completedBlock(nil, nil, [NSError errorWithDomain:NSURLErrorDomain code:[((NSHTTPURLResponse *)response) statusCode] userInfo:nil], YES); 230 | } 231 | CFRunLoopStop(CFRunLoopGetCurrent()); 232 | [self done]; 233 | } 234 | } 235 | 236 | - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { 237 | [self.imageData appendData:data]; 238 | 239 | if ((self.options & SDWebImageDownloaderProgressiveDownload) && self.expectedSize > 0 && self.completedBlock) { 240 | // The following code is from http://www.cocoaintheshell.com/2011/05/progressive-images-download-imageio/ 241 | // Thanks to the author @Nyx0uf 242 | 243 | // Get the total bytes downloaded 244 | const NSInteger totalSize = self.imageData.length; 245 | 246 | // Update the data source, we must pass ALL the data, not just the new bytes 247 | CGImageSourceRef imageSource = CGImageSourceCreateWithData((__bridge CFDataRef)self.imageData, NULL); 248 | 249 | if (width + height == 0) { 250 | CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, NULL); 251 | if (properties) { 252 | NSInteger orientationValue = -1; 253 | CFTypeRef val = CFDictionaryGetValue(properties, kCGImagePropertyPixelHeight); 254 | if (val) CFNumberGetValue(val, kCFNumberLongType, &height); 255 | val = CFDictionaryGetValue(properties, kCGImagePropertyPixelWidth); 256 | if (val) CFNumberGetValue(val, kCFNumberLongType, &width); 257 | val = CFDictionaryGetValue(properties, kCGImagePropertyOrientation); 258 | if (val) CFNumberGetValue(val, kCFNumberNSIntegerType, &orientationValue); 259 | CFRelease(properties); 260 | 261 | // When we draw to Core Graphics, we lose orientation information, 262 | // which means the image below born of initWithCGIImage will be 263 | // oriented incorrectly sometimes. (Unlike the image born of initWithData 264 | // in connectionDidFinishLoading.) So save it here and pass it on later. 265 | orientation = [[self class] orientationFromPropertyValue:(orientationValue == -1 ? 1 : orientationValue)]; 266 | } 267 | 268 | } 269 | 270 | if (width + height > 0 && totalSize < self.expectedSize) { 271 | // Create the image 272 | CGImageRef partialImageRef = CGImageSourceCreateImageAtIndex(imageSource, 0, NULL); 273 | 274 | #ifdef TARGET_OS_IPHONE 275 | // Workaround for iOS anamorphic image 276 | if (partialImageRef) { 277 | const size_t partialHeight = CGImageGetHeight(partialImageRef); 278 | CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); 279 | CGContextRef bmContext = CGBitmapContextCreate(NULL, width, height, 8, width * 4, colorSpace, kCGBitmapByteOrderDefault | kCGImageAlphaPremultipliedFirst); 280 | CGColorSpaceRelease(colorSpace); 281 | if (bmContext) { 282 | CGContextDrawImage(bmContext, (CGRect){.origin.x = 0.0f, .origin.y = 0.0f, .size.width = width, .size.height = partialHeight}, partialImageRef); 283 | CGImageRelease(partialImageRef); 284 | partialImageRef = CGBitmapContextCreateImage(bmContext); 285 | CGContextRelease(bmContext); 286 | } 287 | else { 288 | CGImageRelease(partialImageRef); 289 | partialImageRef = nil; 290 | } 291 | } 292 | #endif 293 | 294 | if (partialImageRef) { 295 | UIImage *image = [UIImage imageWithCGImage:partialImageRef scale:1 orientation:orientation]; 296 | NSString *key = [[SDWebImageManager sharedManager] cacheKeyForURL:self.request.URL]; 297 | UIImage *scaledImage = [self scaledImageForKey:key image:image]; 298 | if (self.shouldDecompressImages) { 299 | image = [UIImage decodedImageWithImage:scaledImage]; 300 | } 301 | else { 302 | image = scaledImage; 303 | } 304 | CGImageRelease(partialImageRef); 305 | dispatch_main_sync_safe(^{ 306 | if (self.completedBlock) { 307 | self.completedBlock(image, nil, nil, NO); 308 | } 309 | }); 310 | } 311 | } 312 | 313 | CFRelease(imageSource); 314 | } 315 | 316 | if (self.progressBlock) { 317 | self.progressBlock(self.imageData.length, self.expectedSize); 318 | } 319 | } 320 | 321 | + (UIImageOrientation)orientationFromPropertyValue:(NSInteger)value { 322 | switch (value) { 323 | case 1: 324 | return UIImageOrientationUp; 325 | case 3: 326 | return UIImageOrientationDown; 327 | case 8: 328 | return UIImageOrientationLeft; 329 | case 6: 330 | return UIImageOrientationRight; 331 | case 2: 332 | return UIImageOrientationUpMirrored; 333 | case 4: 334 | return UIImageOrientationDownMirrored; 335 | case 5: 336 | return UIImageOrientationLeftMirrored; 337 | case 7: 338 | return UIImageOrientationRightMirrored; 339 | default: 340 | return UIImageOrientationUp; 341 | } 342 | } 343 | 344 | - (UIImage *)scaledImageForKey:(NSString *)key image:(UIImage *)image { 345 | return SDScaledImageForKey(key, image); 346 | } 347 | 348 | - (void)connectionDidFinishLoading:(NSURLConnection *)aConnection { 349 | SDWebImageDownloaderCompletedBlock completionBlock = self.completedBlock; 350 | @synchronized(self) { 351 | CFRunLoopStop(CFRunLoopGetCurrent()); 352 | self.thread = nil; 353 | self.connection = nil; 354 | dispatch_async(dispatch_get_main_queue(), ^{ 355 | [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStopNotification object:nil]; 356 | }); 357 | } 358 | 359 | if (![[NSURLCache sharedURLCache] cachedResponseForRequest:_request]) { 360 | responseFromCached = NO; 361 | } 362 | 363 | if (completionBlock) { 364 | if (self.options & SDWebImageDownloaderIgnoreCachedResponse && responseFromCached) { 365 | completionBlock(nil, nil, nil, YES); 366 | } 367 | else { 368 | UIImage *image = [UIImage sd_imageWithData:self.imageData]; 369 | NSString *key = [[SDWebImageManager sharedManager] cacheKeyForURL:self.request.URL]; 370 | image = [self scaledImageForKey:key image:image]; 371 | 372 | // Do not force decoding animated GIFs 373 | if (!image.images) { 374 | if (self.shouldDecompressImages) { 375 | image = [UIImage decodedImageWithImage:image]; 376 | } 377 | } 378 | if (CGSizeEqualToSize(image.size, CGSizeZero)) { 379 | completionBlock(nil, nil, [NSError errorWithDomain:@"SDWebImageErrorDomain" code:0 userInfo:@{NSLocalizedDescriptionKey : @"Downloaded image has 0 pixels"}], YES); 380 | } 381 | else { 382 | completionBlock(image, self.imageData, nil, YES); 383 | } 384 | } 385 | } 386 | self.completionBlock = nil; 387 | [self done]; 388 | } 389 | 390 | - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { 391 | @synchronized(self) { 392 | CFRunLoopStop(CFRunLoopGetCurrent()); 393 | self.thread = nil; 394 | self.connection = nil; 395 | dispatch_async(dispatch_get_main_queue(), ^{ 396 | [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStopNotification object:nil]; 397 | }); 398 | } 399 | 400 | if (self.completedBlock) { 401 | self.completedBlock(nil, nil, error, YES); 402 | } 403 | self.completionBlock = nil; 404 | [self done]; 405 | } 406 | 407 | - (NSCachedURLResponse *)connection:(NSURLConnection *)connection willCacheResponse:(NSCachedURLResponse *)cachedResponse { 408 | responseFromCached = NO; // If this method is called, it means the response wasn't read from cache 409 | if (self.request.cachePolicy == NSURLRequestReloadIgnoringLocalCacheData) { 410 | // Prevents caching of responses 411 | return nil; 412 | } 413 | else { 414 | return cachedResponse; 415 | } 416 | } 417 | 418 | - (BOOL)shouldContinueWhenAppEntersBackground { 419 | return self.options & SDWebImageDownloaderContinueInBackground; 420 | } 421 | 422 | - (BOOL)connectionShouldUseCredentialStorage:(NSURLConnection __unused *)connection { 423 | return self.shouldUseCredentialStorage; 424 | } 425 | 426 | - (void)connection:(NSURLConnection *)connection willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge{ 427 | if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) { 428 | if (!(self.options & SDWebImageDownloaderAllowInvalidSSLCertificates) && 429 | [challenge.sender respondsToSelector:@selector(performDefaultHandlingForAuthenticationChallenge:)]) { 430 | [challenge.sender performDefaultHandlingForAuthenticationChallenge:challenge]; 431 | } else { 432 | NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]; 433 | [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge]; 434 | } 435 | } else { 436 | if ([challenge previousFailureCount] == 0) { 437 | if (self.credential) { 438 | [[challenge sender] useCredential:self.credential forAuthenticationChallenge:challenge]; 439 | } else { 440 | [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge]; 441 | } 442 | } else { 443 | [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge]; 444 | } 445 | } 446 | } 447 | 448 | @end 449 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageManager.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageCompat.h" 10 | #import "SDWebImageOperation.h" 11 | #import "SDWebImageDownloader.h" 12 | #import "SDImageCache.h" 13 | 14 | typedef NS_OPTIONS(NSUInteger, SDWebImageOptions) { 15 | /** 16 | * By default, when a URL fail to be downloaded, the URL is blacklisted so the library won't keep trying. 17 | * This flag disable this blacklisting. 18 | */ 19 | SDWebImageRetryFailed = 1 << 0, 20 | 21 | /** 22 | * By default, image downloads are started during UI interactions, this flags disable this feature, 23 | * leading to delayed download on UIScrollView deceleration for instance. 24 | */ 25 | SDWebImageLowPriority = 1 << 1, 26 | 27 | /** 28 | * This flag disables on-disk caching 29 | */ 30 | SDWebImageCacheMemoryOnly = 1 << 2, 31 | 32 | /** 33 | * This flag enables progressive download, the image is displayed progressively during download as a browser would do. 34 | * By default, the image is only displayed once completely downloaded. 35 | */ 36 | SDWebImageProgressiveDownload = 1 << 3, 37 | 38 | /** 39 | * Even if the image is cached, respect the HTTP response cache control, and refresh the image from remote location if needed. 40 | * The disk caching will be handled by NSURLCache instead of SDWebImage leading to slight performance degradation. 41 | * This option helps deal with images changing behind the same request URL, e.g. Facebook graph api profile pics. 42 | * If a cached image is refreshed, the completion block is called once with the cached image and again with the final image. 43 | * 44 | * Use this flag only if you can't make your URLs static with embeded cache busting parameter. 45 | */ 46 | SDWebImageRefreshCached = 1 << 4, 47 | 48 | /** 49 | * In iOS 4+, continue the download of the image if the app goes to background. This is achieved by asking the system for 50 | * extra time in background to let the request finish. If the background task expires the operation will be cancelled. 51 | */ 52 | SDWebImageContinueInBackground = 1 << 5, 53 | 54 | /** 55 | * Handles cookies stored in NSHTTPCookieStore by setting 56 | * NSMutableURLRequest.HTTPShouldHandleCookies = YES; 57 | */ 58 | SDWebImageHandleCookies = 1 << 6, 59 | 60 | /** 61 | * Enable to allow untrusted SSL ceriticates. 62 | * Useful for testing purposes. Use with caution in production. 63 | */ 64 | SDWebImageAllowInvalidSSLCertificates = 1 << 7, 65 | 66 | /** 67 | * By default, image are loaded in the order they were queued. This flag move them to 68 | * the front of the queue and is loaded immediately instead of waiting for the current queue to be loaded (which 69 | * could take a while). 70 | */ 71 | SDWebImageHighPriority = 1 << 8, 72 | 73 | /** 74 | * By default, placeholder images are loaded while the image is loading. This flag will delay the loading 75 | * of the placeholder image until after the image has finished loading. 76 | */ 77 | SDWebImageDelayPlaceholder = 1 << 9, 78 | 79 | /** 80 | * We usually don't call transformDownloadedImage delegate method on animated images, 81 | * as most transformation code would mangle it. 82 | * Use this flag to transform them anyway. 83 | */ 84 | SDWebImageTransformAnimatedImage = 1 << 10, 85 | }; 86 | 87 | typedef void(^SDWebImageCompletionBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL); 88 | 89 | typedef void(^SDWebImageCompletionWithFinishedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL); 90 | 91 | typedef NSString *(^SDWebImageCacheKeyFilterBlock)(NSURL *url); 92 | 93 | 94 | @class SDWebImageManager; 95 | 96 | @protocol SDWebImageManagerDelegate 97 | 98 | @optional 99 | 100 | /** 101 | * Controls which image should be downloaded when the image is not found in the cache. 102 | * 103 | * @param imageManager The current `SDWebImageManager` 104 | * @param imageURL The url of the image to be downloaded 105 | * 106 | * @return Return NO to prevent the downloading of the image on cache misses. If not implemented, YES is implied. 107 | */ 108 | - (BOOL)imageManager:(SDWebImageManager *)imageManager shouldDownloadImageForURL:(NSURL *)imageURL; 109 | 110 | /** 111 | * Allows to transform the image immediately after it has been downloaded and just before to cache it on disk and memory. 112 | * NOTE: This method is called from a global queue in order to not to block the main thread. 113 | * 114 | * @param imageManager The current `SDWebImageManager` 115 | * @param image The image to transform 116 | * @param imageURL The url of the image to transform 117 | * 118 | * @return The transformed image object. 119 | */ 120 | - (UIImage *)imageManager:(SDWebImageManager *)imageManager transformDownloadedImage:(UIImage *)image withURL:(NSURL *)imageURL; 121 | 122 | @end 123 | 124 | /** 125 | * The SDWebImageManager is the class behind the UIImageView+WebCache category and likes. 126 | * It ties the asynchronous downloader (SDWebImageDownloader) with the image cache store (SDImageCache). 127 | * You can use this class directly to benefit from web image downloading with caching in another context than 128 | * a UIView. 129 | * 130 | * Here is a simple example of how to use SDWebImageManager: 131 | * 132 | * @code 133 | 134 | SDWebImageManager *manager = [SDWebImageManager sharedManager]; 135 | [manager downloadWithURL:imageURL 136 | options:0 137 | progress:nil 138 | completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 139 | if (image) { 140 | // do something with image 141 | } 142 | }]; 143 | 144 | * @endcode 145 | */ 146 | @interface SDWebImageManager : NSObject 147 | 148 | @property (weak, nonatomic) id delegate; 149 | 150 | @property (strong, nonatomic, readonly) SDImageCache *imageCache; 151 | @property (strong, nonatomic, readonly) SDWebImageDownloader *imageDownloader; 152 | 153 | /** 154 | * The cache filter is a block used each time SDWebImageManager need to convert an URL into a cache key. This can 155 | * be used to remove dynamic part of an image URL. 156 | * 157 | * The following example sets a filter in the application delegate that will remove any query-string from the 158 | * URL before to use it as a cache key: 159 | * 160 | * @code 161 | 162 | [[SDWebImageManager sharedManager] setCacheKeyFilter:^(NSURL *url) { 163 | url = [[NSURL alloc] initWithScheme:url.scheme host:url.host path:url.path]; 164 | return [url absoluteString]; 165 | }]; 166 | 167 | * @endcode 168 | */ 169 | @property (nonatomic, copy) SDWebImageCacheKeyFilterBlock cacheKeyFilter; 170 | 171 | /** 172 | * Returns global SDWebImageManager instance. 173 | * 174 | * @return SDWebImageManager shared instance 175 | */ 176 | + (SDWebImageManager *)sharedManager; 177 | 178 | /** 179 | * Downloads the image at the given URL if not present in cache or return the cached version otherwise. 180 | * 181 | * @param url The URL to the image 182 | * @param options A mask to specify options to use for this request 183 | * @param progressBlock A block called while image is downloading 184 | * @param completedBlock A block called when operation has been completed. 185 | * 186 | * This parameter is required. 187 | * 188 | * This block has no return value and takes the requested UIImage as first parameter. 189 | * In case of error the image parameter is nil and the second parameter may contain an NSError. 190 | * 191 | * The third parameter is an `SDImageCacheType` enum indicating if the image was retrived from the local cache 192 | * or from the memory cache or from the network. 193 | * 194 | * The last parameter is set to NO when the SDWebImageProgressiveDownload option is used and the image is 195 | * downloading. This block is thus called repetidly with a partial image. When image is fully downloaded, the 196 | * block is called a last time with the full image and the last parameter set to YES. 197 | * 198 | * @return Returns an NSObject conforming to SDWebImageOperation. Should be an instance of SDWebImageDownloaderOperation 199 | */ 200 | - (id )downloadImageWithURL:(NSURL *)url 201 | options:(SDWebImageOptions)options 202 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 203 | completed:(SDWebImageCompletionWithFinishedBlock)completedBlock; 204 | 205 | /** 206 | * Saves image to cache for given URL 207 | * 208 | * @param image The image to cache 209 | * @param url The URL to the image 210 | * 211 | */ 212 | 213 | - (void)saveImageToCache:(UIImage *)image forURL:(NSURL *)url; 214 | 215 | /** 216 | * Cancel all current opreations 217 | */ 218 | - (void)cancelAll; 219 | 220 | /** 221 | * Check one or more operations running 222 | */ 223 | - (BOOL)isRunning; 224 | 225 | /** 226 | * Check if image has already been cached 227 | * 228 | * @param url image url 229 | * 230 | * @return if the image was already cached 231 | */ 232 | - (BOOL)cachedImageExistsForURL:(NSURL *)url; 233 | 234 | /** 235 | * Check if image has already been cached on disk only 236 | * 237 | * @param url image url 238 | * 239 | * @return if the image was already cached (disk only) 240 | */ 241 | - (BOOL)diskImageExistsForURL:(NSURL *)url; 242 | 243 | /** 244 | * Async check if image has already been cached 245 | * 246 | * @param url image url 247 | * @param completionBlock the block to be executed when the check is finished 248 | * 249 | * @note the completion block is always executed on the main queue 250 | */ 251 | - (void)cachedImageExistsForURL:(NSURL *)url 252 | completion:(SDWebImageCheckCacheCompletionBlock)completionBlock; 253 | 254 | /** 255 | * Async check if image has already been cached on disk only 256 | * 257 | * @param url image url 258 | * @param completionBlock the block to be executed when the check is finished 259 | * 260 | * @note the completion block is always executed on the main queue 261 | */ 262 | - (void)diskImageExistsForURL:(NSURL *)url 263 | completion:(SDWebImageCheckCacheCompletionBlock)completionBlock; 264 | 265 | 266 | /** 267 | *Return the cache key for a given URL 268 | */ 269 | - (NSString *)cacheKeyForURL:(NSURL *)url; 270 | 271 | @end 272 | 273 | 274 | #pragma mark - Deprecated 275 | 276 | typedef void(^SDWebImageCompletedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType) __deprecated_msg("Block type deprecated. Use `SDWebImageCompletionBlock`"); 277 | typedef void(^SDWebImageCompletedWithFinishedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished) __deprecated_msg("Block type deprecated. Use `SDWebImageCompletionWithFinishedBlock`"); 278 | 279 | 280 | @interface SDWebImageManager (Deprecated) 281 | 282 | /** 283 | * Downloads the image at the given URL if not present in cache or return the cached version otherwise. 284 | * 285 | * @deprecated This method has been deprecated. Use `downloadImageWithURL:options:progress:completed:` 286 | */ 287 | - (id )downloadWithURL:(NSURL *)url 288 | options:(SDWebImageOptions)options 289 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 290 | completed:(SDWebImageCompletedWithFinishedBlock)completedBlock __deprecated_msg("Method deprecated. Use `downloadImageWithURL:options:progress:completed:`"); 291 | 292 | @end 293 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageManager.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageManager.h" 10 | #import 11 | 12 | @interface SDWebImageCombinedOperation : NSObject 13 | 14 | @property (assign, nonatomic, getter = isCancelled) BOOL cancelled; 15 | @property (copy, nonatomic) SDWebImageNoParamsBlock cancelBlock; 16 | @property (strong, nonatomic) NSOperation *cacheOperation; 17 | 18 | @end 19 | 20 | @interface SDWebImageManager () 21 | 22 | @property (strong, nonatomic, readwrite) SDImageCache *imageCache; 23 | @property (strong, nonatomic, readwrite) SDWebImageDownloader *imageDownloader; 24 | @property (strong, nonatomic) NSMutableArray *failedURLs; 25 | @property (strong, nonatomic) NSMutableArray *runningOperations; 26 | 27 | @end 28 | 29 | @implementation SDWebImageManager 30 | 31 | + (id)sharedManager { 32 | static dispatch_once_t once; 33 | static id instance; 34 | dispatch_once(&once, ^{ 35 | instance = [self new]; 36 | }); 37 | return instance; 38 | } 39 | 40 | - (id)init { 41 | if ((self = [super init])) { 42 | _imageCache = [self createCache]; 43 | _imageDownloader = [SDWebImageDownloader sharedDownloader]; 44 | _failedURLs = [NSMutableArray new]; 45 | _runningOperations = [NSMutableArray new]; 46 | } 47 | return self; 48 | } 49 | 50 | - (SDImageCache *)createCache { 51 | return [SDImageCache sharedImageCache]; 52 | } 53 | 54 | - (NSString *)cacheKeyForURL:(NSURL *)url { 55 | if (self.cacheKeyFilter) { 56 | return self.cacheKeyFilter(url); 57 | } 58 | else { 59 | return [url absoluteString]; 60 | } 61 | } 62 | 63 | - (BOOL)cachedImageExistsForURL:(NSURL *)url { 64 | NSString *key = [self cacheKeyForURL:url]; 65 | if ([self.imageCache imageFromMemoryCacheForKey:key] != nil) return YES; 66 | return [self.imageCache diskImageExistsWithKey:key]; 67 | } 68 | 69 | - (BOOL)diskImageExistsForURL:(NSURL *)url { 70 | NSString *key = [self cacheKeyForURL:url]; 71 | return [self.imageCache diskImageExistsWithKey:key]; 72 | } 73 | 74 | - (void)cachedImageExistsForURL:(NSURL *)url 75 | completion:(SDWebImageCheckCacheCompletionBlock)completionBlock { 76 | NSString *key = [self cacheKeyForURL:url]; 77 | 78 | BOOL isInMemoryCache = ([self.imageCache imageFromMemoryCacheForKey:key] != nil); 79 | 80 | if (isInMemoryCache) { 81 | // making sure we call the completion block on the main queue 82 | dispatch_async(dispatch_get_main_queue(), ^{ 83 | if (completionBlock) { 84 | completionBlock(YES); 85 | } 86 | }); 87 | return; 88 | } 89 | 90 | [self.imageCache diskImageExistsWithKey:key completion:^(BOOL isInDiskCache) { 91 | // the completion block of checkDiskCacheForImageWithKey:completion: is always called on the main queue, no need to further dispatch 92 | if (completionBlock) { 93 | completionBlock(isInDiskCache); 94 | } 95 | }]; 96 | } 97 | 98 | - (void)diskImageExistsForURL:(NSURL *)url 99 | completion:(SDWebImageCheckCacheCompletionBlock)completionBlock { 100 | NSString *key = [self cacheKeyForURL:url]; 101 | 102 | [self.imageCache diskImageExistsWithKey:key completion:^(BOOL isInDiskCache) { 103 | // the completion block of checkDiskCacheForImageWithKey:completion: is always called on the main queue, no need to further dispatch 104 | if (completionBlock) { 105 | completionBlock(isInDiskCache); 106 | } 107 | }]; 108 | } 109 | 110 | - (id )downloadImageWithURL:(NSURL *)url 111 | options:(SDWebImageOptions)options 112 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 113 | completed:(SDWebImageCompletionWithFinishedBlock)completedBlock { 114 | // Invoking this method without a completedBlock is pointless 115 | NSAssert(completedBlock != nil, @"If you mean to prefetch the image, use -[SDWebImagePrefetcher prefetchURLs] instead"); 116 | 117 | // Very common mistake is to send the URL using NSString object instead of NSURL. For some strange reason, XCode won't 118 | // throw any warning for this type mismatch. Here we failsafe this error by allowing URLs to be passed as NSString. 119 | if ([url isKindOfClass:NSString.class]) { 120 | url = [NSURL URLWithString:(NSString *)url]; 121 | } 122 | 123 | // Prevents app crashing on argument type error like sending NSNull instead of NSURL 124 | if (![url isKindOfClass:NSURL.class]) { 125 | url = nil; 126 | } 127 | 128 | __block SDWebImageCombinedOperation *operation = [SDWebImageCombinedOperation new]; 129 | __weak SDWebImageCombinedOperation *weakOperation = operation; 130 | 131 | BOOL isFailedUrl = NO; 132 | @synchronized (self.failedURLs) { 133 | isFailedUrl = [self.failedURLs containsObject:url]; 134 | } 135 | 136 | if (!url || (!(options & SDWebImageRetryFailed) && isFailedUrl)) { 137 | dispatch_main_sync_safe(^{ 138 | NSError *error = [NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]; 139 | completedBlock(nil, error, SDImageCacheTypeNone, YES, url); 140 | }); 141 | return operation; 142 | } 143 | 144 | @synchronized (self.runningOperations) { 145 | [self.runningOperations addObject:operation]; 146 | } 147 | NSString *key = [self cacheKeyForURL:url]; 148 | 149 | operation.cacheOperation = [self.imageCache queryDiskCacheForKey:key done:^(UIImage *image, SDImageCacheType cacheType) { 150 | if (operation.isCancelled) { 151 | @synchronized (self.runningOperations) { 152 | [self.runningOperations removeObject:operation]; 153 | } 154 | 155 | return; 156 | } 157 | 158 | if ((!image || options & SDWebImageRefreshCached) && (![self.delegate respondsToSelector:@selector(imageManager:shouldDownloadImageForURL:)] || [self.delegate imageManager:self shouldDownloadImageForURL:url])) { 159 | if (image && options & SDWebImageRefreshCached) { 160 | dispatch_main_sync_safe(^{ 161 | // If image was found in the cache bug SDWebImageRefreshCached is provided, notify about the cached image 162 | // AND try to re-download it in order to let a chance to NSURLCache to refresh it from server. 163 | completedBlock(image, nil, cacheType, YES, url); 164 | }); 165 | } 166 | 167 | // download if no image or requested to refresh anyway, and download allowed by delegate 168 | SDWebImageDownloaderOptions downloaderOptions = 0; 169 | if (options & SDWebImageLowPriority) downloaderOptions |= SDWebImageDownloaderLowPriority; 170 | if (options & SDWebImageProgressiveDownload) downloaderOptions |= SDWebImageDownloaderProgressiveDownload; 171 | if (options & SDWebImageRefreshCached) downloaderOptions |= SDWebImageDownloaderUseNSURLCache; 172 | if (options & SDWebImageContinueInBackground) downloaderOptions |= SDWebImageDownloaderContinueInBackground; 173 | if (options & SDWebImageHandleCookies) downloaderOptions |= SDWebImageDownloaderHandleCookies; 174 | if (options & SDWebImageAllowInvalidSSLCertificates) downloaderOptions |= SDWebImageDownloaderAllowInvalidSSLCertificates; 175 | if (options & SDWebImageHighPriority) downloaderOptions |= SDWebImageDownloaderHighPriority; 176 | if (image && options & SDWebImageRefreshCached) { 177 | // force progressive off if image already cached but forced refreshing 178 | downloaderOptions &= ~SDWebImageDownloaderProgressiveDownload; 179 | // ignore image read from NSURLCache if image if cached but force refreshing 180 | downloaderOptions |= SDWebImageDownloaderIgnoreCachedResponse; 181 | } 182 | id subOperation = [self.imageDownloader downloadImageWithURL:url options:downloaderOptions progress:progressBlock completed:^(UIImage *downloadedImage, NSData *data, NSError *error, BOOL finished) { 183 | if (weakOperation.isCancelled) { 184 | // Do nothing if the operation was cancelled 185 | // See #699 for more details 186 | // if we would call the completedBlock, there could be a race condition between this block and another completedBlock for the same object, so if this one is called second, we will overwrite the new data 187 | } 188 | else if (error) { 189 | dispatch_main_sync_safe(^{ 190 | if (!weakOperation.isCancelled) { 191 | completedBlock(nil, error, SDImageCacheTypeNone, finished, url); 192 | } 193 | }); 194 | 195 | if (error.code != NSURLErrorNotConnectedToInternet && error.code != NSURLErrorCancelled && error.code != NSURLErrorTimedOut) { 196 | @synchronized (self.failedURLs) { 197 | if (![self.failedURLs containsObject:url]) { 198 | [self.failedURLs addObject:url]; 199 | } 200 | } 201 | } 202 | } 203 | else { 204 | BOOL cacheOnDisk = !(options & SDWebImageCacheMemoryOnly); 205 | 206 | if (options & SDWebImageRefreshCached && image && !downloadedImage) { 207 | // Image refresh hit the NSURLCache cache, do not call the completion block 208 | } 209 | else if (downloadedImage && (!downloadedImage.images || (options & SDWebImageTransformAnimatedImage)) && [self.delegate respondsToSelector:@selector(imageManager:transformDownloadedImage:withURL:)]) { 210 | dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{ 211 | UIImage *transformedImage = [self.delegate imageManager:self transformDownloadedImage:downloadedImage withURL:url]; 212 | 213 | if (transformedImage && finished) { 214 | BOOL imageWasTransformed = ![transformedImage isEqual:downloadedImage]; 215 | [self.imageCache storeImage:transformedImage recalculateFromImage:imageWasTransformed imageData:data forKey:key toDisk:cacheOnDisk]; 216 | } 217 | 218 | dispatch_main_sync_safe(^{ 219 | if (!weakOperation.isCancelled) { 220 | completedBlock(transformedImage, nil, SDImageCacheTypeNone, finished, url); 221 | } 222 | }); 223 | }); 224 | } 225 | else { 226 | if (downloadedImage && finished) { 227 | [self.imageCache storeImage:downloadedImage recalculateFromImage:NO imageData:data forKey:key toDisk:cacheOnDisk]; 228 | } 229 | 230 | dispatch_main_sync_safe(^{ 231 | if (!weakOperation.isCancelled) { 232 | completedBlock(downloadedImage, nil, SDImageCacheTypeNone, finished, url); 233 | } 234 | }); 235 | } 236 | } 237 | 238 | if (finished) { 239 | @synchronized (self.runningOperations) { 240 | [self.runningOperations removeObject:operation]; 241 | } 242 | } 243 | }]; 244 | operation.cancelBlock = ^{ 245 | [subOperation cancel]; 246 | 247 | @synchronized (self.runningOperations) { 248 | [self.runningOperations removeObject:weakOperation]; 249 | } 250 | }; 251 | } 252 | else if (image) { 253 | dispatch_main_sync_safe(^{ 254 | if (!weakOperation.isCancelled) { 255 | completedBlock(image, nil, cacheType, YES, url); 256 | } 257 | }); 258 | @synchronized (self.runningOperations) { 259 | [self.runningOperations removeObject:operation]; 260 | } 261 | } 262 | else { 263 | // Image not in cache and download disallowed by delegate 264 | dispatch_main_sync_safe(^{ 265 | if (!weakOperation.isCancelled) { 266 | completedBlock(nil, nil, SDImageCacheTypeNone, YES, url); 267 | } 268 | }); 269 | @synchronized (self.runningOperations) { 270 | [self.runningOperations removeObject:operation]; 271 | } 272 | } 273 | }]; 274 | 275 | return operation; 276 | } 277 | 278 | - (void)saveImageToCache:(UIImage *)image forURL:(NSURL *)url { 279 | if (image && url) { 280 | NSString *key = [self cacheKeyForURL:url]; 281 | [self.imageCache storeImage:image forKey:key toDisk:YES]; 282 | } 283 | } 284 | 285 | - (void)cancelAll { 286 | @synchronized (self.runningOperations) { 287 | NSArray *copiedOperations = [self.runningOperations copy]; 288 | [copiedOperations makeObjectsPerformSelector:@selector(cancel)]; 289 | [self.runningOperations removeObjectsInArray:copiedOperations]; 290 | } 291 | } 292 | 293 | - (BOOL)isRunning { 294 | return self.runningOperations.count > 0; 295 | } 296 | 297 | @end 298 | 299 | 300 | @implementation SDWebImageCombinedOperation 301 | 302 | - (void)setCancelBlock:(SDWebImageNoParamsBlock)cancelBlock { 303 | // check if the operation is already cancelled, then we just call the cancelBlock 304 | if (self.isCancelled) { 305 | if (cancelBlock) { 306 | cancelBlock(); 307 | } 308 | _cancelBlock = nil; // don't forget to nil the cancelBlock, otherwise we will get crashes 309 | } else { 310 | _cancelBlock = [cancelBlock copy]; 311 | } 312 | } 313 | 314 | - (void)cancel { 315 | self.cancelled = YES; 316 | if (self.cacheOperation) { 317 | [self.cacheOperation cancel]; 318 | self.cacheOperation = nil; 319 | } 320 | if (self.cancelBlock) { 321 | self.cancelBlock(); 322 | 323 | // TODO: this is a temporary fix to #809. 324 | // Until we can figure the exact cause of the crash, going with the ivar instead of the setter 325 | // self.cancelBlock = nil; 326 | _cancelBlock = nil; 327 | } 328 | } 329 | 330 | @end 331 | 332 | 333 | @implementation SDWebImageManager (Deprecated) 334 | 335 | // deprecated method, uses the non deprecated method 336 | // adapter for the completion block 337 | - (id )downloadWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedWithFinishedBlock)completedBlock { 338 | return [self downloadImageWithURL:url 339 | options:options 340 | progress:progressBlock 341 | completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 342 | if (completedBlock) { 343 | completedBlock(image, error, cacheType, finished); 344 | } 345 | }]; 346 | } 347 | 348 | @end 349 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImageOperation.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | 11 | @protocol SDWebImageOperation 12 | 13 | - (void)cancel; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImagePrefetcher.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageManager.h" 11 | 12 | @class SDWebImagePrefetcher; 13 | 14 | @protocol SDWebImagePrefetcherDelegate 15 | 16 | @optional 17 | 18 | /** 19 | * Called when an image was prefetched. 20 | * 21 | * @param imagePrefetcher The current image prefetcher 22 | * @param imageURL The image url that was prefetched 23 | * @param finishedCount The total number of images that were prefetched (successful or not) 24 | * @param totalCount The total number of images that were to be prefetched 25 | */ 26 | - (void)imagePrefetcher:(SDWebImagePrefetcher *)imagePrefetcher didPrefetchURL:(NSURL *)imageURL finishedCount:(NSUInteger)finishedCount totalCount:(NSUInteger)totalCount; 27 | 28 | /** 29 | * Called when all images are prefetched. 30 | * @param imagePrefetcher The current image prefetcher 31 | * @param totalCount The total number of images that were prefetched (whether successful or not) 32 | * @param skippedCount The total number of images that were skipped 33 | */ 34 | - (void)imagePrefetcher:(SDWebImagePrefetcher *)imagePrefetcher didFinishWithTotalCount:(NSUInteger)totalCount skippedCount:(NSUInteger)skippedCount; 35 | 36 | @end 37 | 38 | typedef void(^SDWebImagePrefetcherProgressBlock)(NSUInteger noOfFinishedUrls, NSUInteger noOfTotalUrls); 39 | typedef void(^SDWebImagePrefetcherCompletionBlock)(NSUInteger noOfFinishedUrls, NSUInteger noOfSkippedUrls); 40 | 41 | /** 42 | * Prefetch some URLs in the cache for future use. Images are downloaded in low priority. 43 | */ 44 | @interface SDWebImagePrefetcher : NSObject 45 | 46 | /** 47 | * The web image manager 48 | */ 49 | @property (strong, nonatomic, readonly) SDWebImageManager *manager; 50 | 51 | /** 52 | * Maximum number of URLs to prefetch at the same time. Defaults to 3. 53 | */ 54 | @property (nonatomic, assign) NSUInteger maxConcurrentDownloads; 55 | 56 | /** 57 | * SDWebImageOptions for prefetcher. Defaults to SDWebImageLowPriority. 58 | */ 59 | @property (nonatomic, assign) SDWebImageOptions options; 60 | 61 | /** 62 | * Queue options for Prefetcher. Defaults to Main Queue. 63 | */ 64 | @property (nonatomic, assign) dispatch_queue_t prefetcherQueue; 65 | 66 | @property (weak, nonatomic) id delegate; 67 | 68 | /** 69 | * Return the global image prefetcher instance. 70 | */ 71 | + (SDWebImagePrefetcher *)sharedImagePrefetcher; 72 | 73 | /** 74 | * Assign list of URLs to let SDWebImagePrefetcher to queue the prefetching, 75 | * currently one image is downloaded at a time, 76 | * and skips images for failed downloads and proceed to the next image in the list 77 | * 78 | * @param urls list of URLs to prefetch 79 | */ 80 | - (void)prefetchURLs:(NSArray *)urls; 81 | 82 | /** 83 | * Assign list of URLs to let SDWebImagePrefetcher to queue the prefetching, 84 | * currently one image is downloaded at a time, 85 | * and skips images for failed downloads and proceed to the next image in the list 86 | * 87 | * @param urls list of URLs to prefetch 88 | * @param progressBlock block to be called when progress updates; 89 | * first parameter is the number of completed (successful or not) requests, 90 | * second parameter is the total number of images originally requested to be prefetched 91 | * @param completionBlock block to be called when prefetching is completed 92 | * first param is the number of completed (successful or not) requests, 93 | * second parameter is the number of skipped requests 94 | */ 95 | - (void)prefetchURLs:(NSArray *)urls progress:(SDWebImagePrefetcherProgressBlock)progressBlock completed:(SDWebImagePrefetcherCompletionBlock)completionBlock; 96 | 97 | /** 98 | * Remove and cancel queued list 99 | */ 100 | - (void)cancelPrefetching; 101 | 102 | 103 | @end 104 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/SDWebImagePrefetcher.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImagePrefetcher.h" 10 | 11 | #if (!defined(DEBUG) && !defined (SD_VERBOSE)) || defined(SD_LOG_NONE) 12 | #define NSLog(...) 13 | #endif 14 | 15 | @interface SDWebImagePrefetcher () 16 | 17 | @property (strong, nonatomic) SDWebImageManager *manager; 18 | @property (strong, nonatomic) NSArray *prefetchURLs; 19 | @property (assign, nonatomic) NSUInteger requestedCount; 20 | @property (assign, nonatomic) NSUInteger skippedCount; 21 | @property (assign, nonatomic) NSUInteger finishedCount; 22 | @property (assign, nonatomic) NSTimeInterval startedTime; 23 | @property (copy, nonatomic) SDWebImagePrefetcherCompletionBlock completionBlock; 24 | @property (copy, nonatomic) SDWebImagePrefetcherProgressBlock progressBlock; 25 | 26 | @end 27 | 28 | @implementation SDWebImagePrefetcher 29 | 30 | + (SDWebImagePrefetcher *)sharedImagePrefetcher { 31 | static dispatch_once_t once; 32 | static id instance; 33 | dispatch_once(&once, ^{ 34 | instance = [self new]; 35 | }); 36 | return instance; 37 | } 38 | 39 | - (id)init { 40 | if ((self = [super init])) { 41 | _manager = [SDWebImageManager new]; 42 | _options = SDWebImageLowPriority; 43 | _prefetcherQueue = dispatch_get_main_queue(); 44 | self.maxConcurrentDownloads = 3; 45 | } 46 | return self; 47 | } 48 | 49 | - (void)setMaxConcurrentDownloads:(NSUInteger)maxConcurrentDownloads { 50 | self.manager.imageDownloader.maxConcurrentDownloads = maxConcurrentDownloads; 51 | } 52 | 53 | - (NSUInteger)maxConcurrentDownloads { 54 | return self.manager.imageDownloader.maxConcurrentDownloads; 55 | } 56 | 57 | - (void)startPrefetchingAtIndex:(NSUInteger)index { 58 | if (index >= self.prefetchURLs.count) return; 59 | self.requestedCount++; 60 | [self.manager downloadImageWithURL:self.prefetchURLs[index] options:self.options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 61 | if (!finished) return; 62 | self.finishedCount++; 63 | 64 | if (image) { 65 | if (self.progressBlock) { 66 | self.progressBlock(self.finishedCount,[self.prefetchURLs count]); 67 | } 68 | NSLog(@"Prefetched %@ out of %@", @(self.finishedCount), @(self.prefetchURLs.count)); 69 | } 70 | else { 71 | if (self.progressBlock) { 72 | self.progressBlock(self.finishedCount,[self.prefetchURLs count]); 73 | } 74 | NSLog(@"Prefetched %@ out of %@ (Failed)", @(self.finishedCount), @(self.prefetchURLs.count)); 75 | 76 | // Add last failed 77 | self.skippedCount++; 78 | } 79 | if ([self.delegate respondsToSelector:@selector(imagePrefetcher:didPrefetchURL:finishedCount:totalCount:)]) { 80 | [self.delegate imagePrefetcher:self 81 | didPrefetchURL:self.prefetchURLs[index] 82 | finishedCount:self.finishedCount 83 | totalCount:self.prefetchURLs.count 84 | ]; 85 | } 86 | if (self.prefetchURLs.count > self.requestedCount) { 87 | dispatch_async(self.prefetcherQueue, ^{ 88 | [self startPrefetchingAtIndex:self.requestedCount]; 89 | }); 90 | } 91 | else if (self.finishedCount == self.requestedCount) { 92 | [self reportStatus]; 93 | if (self.completionBlock) { 94 | self.completionBlock(self.finishedCount, self.skippedCount); 95 | self.completionBlock = nil; 96 | } 97 | } 98 | }]; 99 | } 100 | 101 | - (void)reportStatus { 102 | NSUInteger total = [self.prefetchURLs count]; 103 | NSLog(@"Finished prefetching (%@ successful, %@ skipped, timeElasped %.2f)", @(total - self.skippedCount), @(self.skippedCount), CFAbsoluteTimeGetCurrent() - self.startedTime); 104 | if ([self.delegate respondsToSelector:@selector(imagePrefetcher:didFinishWithTotalCount:skippedCount:)]) { 105 | [self.delegate imagePrefetcher:self 106 | didFinishWithTotalCount:(total - self.skippedCount) 107 | skippedCount:self.skippedCount 108 | ]; 109 | } 110 | } 111 | 112 | - (void)prefetchURLs:(NSArray *)urls { 113 | [self prefetchURLs:urls progress:nil completed:nil]; 114 | } 115 | 116 | - (void)prefetchURLs:(NSArray *)urls progress:(SDWebImagePrefetcherProgressBlock)progressBlock completed:(SDWebImagePrefetcherCompletionBlock)completionBlock { 117 | [self cancelPrefetching]; // Prevent duplicate prefetch request 118 | self.startedTime = CFAbsoluteTimeGetCurrent(); 119 | self.prefetchURLs = urls; 120 | self.completionBlock = completionBlock; 121 | self.progressBlock = progressBlock; 122 | 123 | if(urls.count == 0){ 124 | if(completionBlock){ 125 | completionBlock(0,0); 126 | } 127 | }else{ 128 | // Starts prefetching from the very first image on the list with the max allowed concurrency 129 | NSUInteger listCount = self.prefetchURLs.count; 130 | for (NSUInteger i = 0; i < self.maxConcurrentDownloads && self.requestedCount < listCount; i++) { 131 | [self startPrefetchingAtIndex:i]; 132 | } 133 | } 134 | } 135 | 136 | - (void)cancelPrefetching { 137 | self.prefetchURLs = nil; 138 | self.skippedCount = 0; 139 | self.requestedCount = 0; 140 | self.finishedCount = 0; 141 | [self.manager cancelAll]; 142 | } 143 | 144 | @end 145 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/TYAccount.h: -------------------------------------------------------------------------------- 1 | // 2 | // TYAccount.h 3 | // tianyanAR 4 | // 5 | // Created by 向伟 on 15/11/23. 6 | // Copyright © 2015年 Steven2761. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface TYAccount : NSObject 12 | 13 | /** 14 | * 登录的用户名 15 | */ 16 | @property(nonatomic,copy)NSString *loginUser; 17 | 18 | /** 19 | * 登录的密码 20 | */ 21 | @property(nonatomic,copy)NSString *loginPwd; 22 | /** 23 | * 判断用户是否登录 24 | */ 25 | @property(nonatomic,assign,getter=isLogin)BOOL login; 26 | 27 | /** 28 | * 注册的用户 29 | */ 30 | @property(nonatomic,copy)NSString *registerUser; 31 | 32 | /** 33 | * 注册的密码 34 | */ 35 | @property(nonatomic,copy)NSString *registerPwd; 36 | 37 | 38 | +(instancetype)shareAccount; 39 | 40 | /** 41 | * 保存最新的登录用户数据到沙盒 42 | */ 43 | -(void)saveToSandBox; 44 | @end 45 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/TYAccount.m: -------------------------------------------------------------------------------- 1 | // 2 | // TYAccount.m 3 | // tianyanAR 4 | // 5 | // Created by 向伟 on 15/11/23. 6 | // Copyright © 2015年 Steven2761. All rights reserved. 7 | // 8 | 9 | #import "TYAccount.h" 10 | #define kUserKey @"user" 11 | #define kPwdKey @"pwd" 12 | #define kLoginKey @"login" 13 | @implementation TYAccount 14 | 15 | +(instancetype)shareAccount{ 16 | return [[self alloc] init]; 17 | } 18 | 19 | #pragma mark 分配内存创建对象 20 | +(instancetype)allocWithZone:(struct _NSZone *)zone{ 21 | NSLog(@"%s",__func__); 22 | static TYAccount *acount; 23 | 24 | // 为了线程安全 25 | // 三个线程同时调用这个方法 26 | static dispatch_once_t onceToken; 27 | dispatch_once(&onceToken, ^{ 28 | // if (acount == nil) { 29 | acount = [super allocWithZone:zone]; 30 | 31 | //从沙盒获取上次的用户登录信息 32 | NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; 33 | acount.loginUser = [defaults objectForKey:kUserKey]; 34 | acount.loginPwd = [defaults objectForKey:kPwdKey]; 35 | acount.login = [defaults boolForKey:kLoginKey]; 36 | // } 37 | }); 38 | 39 | return acount; 40 | 41 | } 42 | 43 | 44 | -(void)saveToSandBox{ 45 | 46 | // 保存user pwd login 47 | NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; 48 | [defaults setObject:self.loginUser forKey:kUserKey]; 49 | [defaults setObject:self.loginPwd forKey:kPwdKey]; 50 | [defaults setBool:self.isLogin forKey:kLoginKey]; 51 | [defaults synchronize]; 52 | 53 | } 54 | @end 55 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIButton+WebCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageCompat.h" 10 | #import "SDWebImageManager.h" 11 | 12 | /** 13 | * Integrates SDWebImage async downloading and caching of remote images with UIButtonView. 14 | */ 15 | @interface UIButton (WebCache) 16 | 17 | /** 18 | * Get the current image URL. 19 | */ 20 | - (NSURL *)sd_currentImageURL; 21 | 22 | /** 23 | * Get the image URL for a control state. 24 | * 25 | * @param state Which state you want to know the URL for. The values are described in UIControlState. 26 | */ 27 | - (NSURL *)sd_imageURLForState:(UIControlState)state; 28 | 29 | /** 30 | * Set the imageView `image` with an `url`. 31 | * 32 | * The download is asynchronous and cached. 33 | * 34 | * @param url The url for the image. 35 | * @param state The state that uses the specified title. The values are described in UIControlState. 36 | */ 37 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state; 38 | 39 | /** 40 | * Set the imageView `image` with an `url` and a placeholder. 41 | * 42 | * The download is asynchronous and cached. 43 | * 44 | * @param url The url for the image. 45 | * @param state The state that uses the specified title. The values are described in UIControlState. 46 | * @param placeholder The image to be set initially, until the image request finishes. 47 | * @see sd_setImageWithURL:placeholderImage:options: 48 | */ 49 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder; 50 | 51 | /** 52 | * Set the imageView `image` with an `url`, placeholder and custom options. 53 | * 54 | * The download is asynchronous and cached. 55 | * 56 | * @param url The url for the image. 57 | * @param state The state that uses the specified title. The values are described in UIControlState. 58 | * @param placeholder The image to be set initially, until the image request finishes. 59 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 60 | */ 61 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options; 62 | 63 | /** 64 | * Set the imageView `image` with an `url`. 65 | * 66 | * The download is asynchronous and cached. 67 | * 68 | * @param url The url for the image. 69 | * @param state The state that uses the specified title. The values are described in UIControlState. 70 | * @param completedBlock A block called when operation has been completed. This block has no return value 71 | * and takes the requested UIImage as first parameter. In case of error the image parameter 72 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 73 | * indicating if the image was retrived from the local cache or from the network. 74 | * The fourth parameter is the original image url. 75 | */ 76 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock; 77 | 78 | /** 79 | * Set the imageView `image` with an `url`, placeholder. 80 | * 81 | * The download is asynchronous and cached. 82 | * 83 | * @param url The url for the image. 84 | * @param state The state that uses the specified title. The values are described in UIControlState. 85 | * @param placeholder The image to be set initially, until the image request finishes. 86 | * @param completedBlock A block called when operation has been completed. This block has no return value 87 | * and takes the requested UIImage as first parameter. In case of error the image parameter 88 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 89 | * indicating if the image was retrived from the local cache or from the network. 90 | * The fourth parameter is the original image url. 91 | */ 92 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock; 93 | 94 | /** 95 | * Set the imageView `image` with an `url`, placeholder and custom options. 96 | * 97 | * The download is asynchronous and cached. 98 | * 99 | * @param url The url for the image. 100 | * @param state The state that uses the specified title. The values are described in UIControlState. 101 | * @param placeholder The image to be set initially, until the image request finishes. 102 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 103 | * @param completedBlock A block called when operation has been completed. This block has no return value 104 | * and takes the requested UIImage as first parameter. In case of error the image parameter 105 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 106 | * indicating if the image was retrived from the local cache or from the network. 107 | * The fourth parameter is the original image url. 108 | */ 109 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 110 | 111 | /** 112 | * Set the backgroundImageView `image` with an `url`. 113 | * 114 | * The download is asynchronous and cached. 115 | * 116 | * @param url The url for the image. 117 | * @param state The state that uses the specified title. The values are described in UIControlState. 118 | */ 119 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state; 120 | 121 | /** 122 | * Set the backgroundImageView `image` with an `url` and a placeholder. 123 | * 124 | * The download is asynchronous and cached. 125 | * 126 | * @param url The url for the image. 127 | * @param state The state that uses the specified title. The values are described in UIControlState. 128 | * @param placeholder The image to be set initially, until the image request finishes. 129 | * @see sd_setImageWithURL:placeholderImage:options: 130 | */ 131 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder; 132 | 133 | /** 134 | * Set the backgroundImageView `image` with an `url`, placeholder and custom options. 135 | * 136 | * The download is asynchronous and cached. 137 | * 138 | * @param url The url for the image. 139 | * @param state The state that uses the specified title. The values are described in UIControlState. 140 | * @param placeholder The image to be set initially, until the image request finishes. 141 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 142 | */ 143 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options; 144 | 145 | /** 146 | * Set the backgroundImageView `image` with an `url`. 147 | * 148 | * The download is asynchronous and cached. 149 | * 150 | * @param url The url for the image. 151 | * @param state The state that uses the specified title. The values are described in UIControlState. 152 | * @param completedBlock A block called when operation has been completed. This block has no return value 153 | * and takes the requested UIImage as first parameter. In case of error the image parameter 154 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 155 | * indicating if the image was retrived from the local cache or from the network. 156 | * The fourth parameter is the original image url. 157 | */ 158 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock; 159 | 160 | /** 161 | * Set the backgroundImageView `image` with an `url`, placeholder. 162 | * 163 | * The download is asynchronous and cached. 164 | * 165 | * @param url The url for the image. 166 | * @param state The state that uses the specified title. The values are described in UIControlState. 167 | * @param placeholder The image to be set initially, until the image request finishes. 168 | * @param completedBlock A block called when operation has been completed. This block has no return value 169 | * and takes the requested UIImage as first parameter. In case of error the image parameter 170 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 171 | * indicating if the image was retrived from the local cache or from the network. 172 | * The fourth parameter is the original image url. 173 | */ 174 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock; 175 | 176 | /** 177 | * Set the backgroundImageView `image` with an `url`, placeholder and custom options. 178 | * 179 | * The download is asynchronous and cached. 180 | * 181 | * @param url The url for the image. 182 | * @param placeholder The image to be set initially, until the image request finishes. 183 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 184 | * @param completedBlock A block called when operation has been completed. This block has no return value 185 | * and takes the requested UIImage as first parameter. In case of error the image parameter 186 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 187 | * indicating if the image was retrived from the local cache or from the network. 188 | * The fourth parameter is the original image url. 189 | */ 190 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 191 | 192 | /** 193 | * Cancel the current image download 194 | */ 195 | - (void)sd_cancelImageLoadForState:(UIControlState)state; 196 | 197 | /** 198 | * Cancel the current backgroundImage download 199 | */ 200 | - (void)sd_cancelBackgroundImageLoadForState:(UIControlState)state; 201 | 202 | @end 203 | 204 | 205 | @interface UIButton (WebCacheDeprecated) 206 | 207 | - (NSURL *)currentImageURL __deprecated_msg("Use `sd_currentImageURL`"); 208 | - (NSURL *)imageURLForState:(UIControlState)state __deprecated_msg("Use `sd_imageURLForState:`"); 209 | 210 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:forState:`"); 211 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:forState:placeholderImage:`"); 212 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:forState:placeholderImage:options:`"); 213 | 214 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:forState:completed:`"); 215 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:forState:placeholderImage:completed:`"); 216 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:forState:placeholderImage:options:completed:`"); 217 | 218 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state __deprecated_msg("Method deprecated. Use `sd_setBackgroundImageWithURL:forState:`"); 219 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder __deprecated_msg("Method deprecated. Use `sd_setBackgroundImageWithURL:forState:placeholderImage:`"); 220 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setBackgroundImageWithURL:forState:placeholderImage:options:`"); 221 | 222 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setBackgroundImageWithURL:forState:completed:`"); 223 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setBackgroundImageWithURL:forState:placeholderImage:completed:`"); 224 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setBackgroundImageWithURL:forState:placeholderImage:options:completed:`"); 225 | 226 | - (void)cancelCurrentImageLoad __deprecated_msg("Use `sd_cancelImageLoadForState:`"); 227 | - (void)cancelBackgroundImageLoadForState:(UIControlState)state __deprecated_msg("Use `sd_cancelBackgroundImageLoadForState:`"); 228 | 229 | @end 230 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIButton+WebCache.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIButton+WebCache.h" 10 | #import "objc/runtime.h" 11 | #import "UIView+WebCacheOperation.h" 12 | 13 | static char imageURLStorageKey; 14 | 15 | @implementation UIButton (WebCache) 16 | 17 | - (NSURL *)sd_currentImageURL { 18 | NSURL *url = self.imageURLStorage[@(self.state)]; 19 | 20 | if (!url) { 21 | url = self.imageURLStorage[@(UIControlStateNormal)]; 22 | } 23 | 24 | return url; 25 | } 26 | 27 | - (NSURL *)sd_imageURLForState:(UIControlState)state { 28 | return self.imageURLStorage[@(state)]; 29 | } 30 | 31 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state { 32 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 33 | } 34 | 35 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 36 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 37 | } 38 | 39 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 40 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 41 | } 42 | 43 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock { 44 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock]; 45 | } 46 | 47 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 48 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock]; 49 | } 50 | 51 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 52 | 53 | [self setImage:placeholder forState:state]; 54 | [self sd_cancelImageLoadForState:state]; 55 | 56 | if (!url) { 57 | [self.imageURLStorage removeObjectForKey:@(state)]; 58 | 59 | dispatch_main_async_safe(^{ 60 | NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 61 | if (completedBlock) { 62 | completedBlock(nil, error, SDImageCacheTypeNone, url); 63 | } 64 | }); 65 | 66 | return; 67 | } 68 | 69 | self.imageURLStorage[@(state)] = url; 70 | 71 | __weak UIButton *wself = self; 72 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 73 | if (!wself) return; 74 | dispatch_main_sync_safe(^{ 75 | __strong UIButton *sself = wself; 76 | if (!sself) return; 77 | if (image) { 78 | [sself setImage:image forState:state]; 79 | } 80 | if (completedBlock && finished) { 81 | completedBlock(image, error, cacheType, url); 82 | } 83 | }); 84 | }]; 85 | [self sd_setImageLoadOperation:operation forState:state]; 86 | } 87 | 88 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state { 89 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 90 | } 91 | 92 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 93 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 94 | } 95 | 96 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 97 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 98 | } 99 | 100 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock { 101 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock]; 102 | } 103 | 104 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 105 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock]; 106 | } 107 | 108 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 109 | [self sd_cancelImageLoadForState:state]; 110 | 111 | [self setBackgroundImage:placeholder forState:state]; 112 | 113 | if (url) { 114 | __weak UIButton *wself = self; 115 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 116 | if (!wself) return; 117 | dispatch_main_sync_safe(^{ 118 | __strong UIButton *sself = wself; 119 | if (!sself) return; 120 | if (image) { 121 | [sself setBackgroundImage:image forState:state]; 122 | } 123 | if (completedBlock && finished) { 124 | completedBlock(image, error, cacheType, url); 125 | } 126 | }); 127 | }]; 128 | [self sd_setBackgroundImageLoadOperation:operation forState:state]; 129 | } else { 130 | dispatch_main_async_safe(^{ 131 | NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 132 | if (completedBlock) { 133 | completedBlock(nil, error, SDImageCacheTypeNone, url); 134 | } 135 | }); 136 | } 137 | } 138 | 139 | - (void)sd_setImageLoadOperation:(id)operation forState:(UIControlState)state { 140 | [self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]]; 141 | } 142 | 143 | - (void)sd_cancelImageLoadForState:(UIControlState)state { 144 | [self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]]; 145 | } 146 | 147 | - (void)sd_setBackgroundImageLoadOperation:(id)operation forState:(UIControlState)state { 148 | [self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]]; 149 | } 150 | 151 | - (void)sd_cancelBackgroundImageLoadForState:(UIControlState)state { 152 | [self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]]; 153 | } 154 | 155 | - (NSMutableDictionary *)imageURLStorage { 156 | NSMutableDictionary *storage = objc_getAssociatedObject(self, &imageURLStorageKey); 157 | if (!storage) 158 | { 159 | storage = [NSMutableDictionary dictionary]; 160 | objc_setAssociatedObject(self, &imageURLStorageKey, storage, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 161 | } 162 | 163 | return storage; 164 | } 165 | 166 | @end 167 | 168 | 169 | @implementation UIButton (WebCacheDeprecated) 170 | 171 | - (NSURL *)currentImageURL { 172 | return [self sd_currentImageURL]; 173 | } 174 | 175 | - (NSURL *)imageURLForState:(UIControlState)state { 176 | return [self sd_imageURLForState:state]; 177 | } 178 | 179 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state { 180 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 181 | } 182 | 183 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 184 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 185 | } 186 | 187 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 188 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 189 | } 190 | 191 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock { 192 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 193 | if (completedBlock) { 194 | completedBlock(image, error, cacheType); 195 | } 196 | }]; 197 | } 198 | 199 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 200 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 201 | if (completedBlock) { 202 | completedBlock(image, error, cacheType); 203 | } 204 | }]; 205 | } 206 | 207 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 208 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 209 | if (completedBlock) { 210 | completedBlock(image, error, cacheType); 211 | } 212 | }]; 213 | } 214 | 215 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state { 216 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 217 | } 218 | 219 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 220 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 221 | } 222 | 223 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 224 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 225 | } 226 | 227 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock { 228 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 229 | if (completedBlock) { 230 | completedBlock(image, error, cacheType); 231 | } 232 | }]; 233 | } 234 | 235 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 236 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 237 | if (completedBlock) { 238 | completedBlock(image, error, cacheType); 239 | } 240 | }]; 241 | } 242 | 243 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 244 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 245 | if (completedBlock) { 246 | completedBlock(image, error, cacheType); 247 | } 248 | }]; 249 | } 250 | 251 | - (void)cancelCurrentImageLoad { 252 | // in a backwards compatible manner, cancel for current state 253 | [self sd_cancelImageLoadForState:self.state]; 254 | } 255 | 256 | - (void)cancelBackgroundImageLoadForState:(UIControlState)state { 257 | [self sd_cancelBackgroundImageLoadForState:state]; 258 | } 259 | 260 | @end 261 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImage+GIF.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+GIF.h 3 | // LBGIFImage 4 | // 5 | // Created by Laurin Brandner on 06.01.12. 6 | // Copyright (c) 2012 __MyCompanyName__. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface UIImage (GIF) 12 | 13 | + (UIImage *)sd_animatedGIFNamed:(NSString *)name; 14 | 15 | + (UIImage *)sd_animatedGIFWithData:(NSData *)data; 16 | 17 | - (UIImage *)sd_animatedImageByScalingAndCroppingToSize:(CGSize)size; 18 | 19 | @end 20 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImage+GIF.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+GIF.m 3 | // LBGIFImage 4 | // 5 | // Created by Laurin Brandner on 06.01.12. 6 | // Copyright (c) 2012 __MyCompanyName__. All rights reserved. 7 | // 8 | 9 | #import "UIImage+GIF.h" 10 | #import 11 | 12 | @implementation UIImage (GIF) 13 | 14 | + (UIImage *)sd_animatedGIFWithData:(NSData *)data { 15 | if (!data) { 16 | return nil; 17 | } 18 | 19 | CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef)data, NULL); 20 | 21 | size_t count = CGImageSourceGetCount(source); 22 | 23 | UIImage *animatedImage; 24 | 25 | if (count <= 1) { 26 | animatedImage = [[UIImage alloc] initWithData:data]; 27 | } 28 | else { 29 | NSMutableArray *images = [NSMutableArray array]; 30 | 31 | NSTimeInterval duration = 0.0f; 32 | 33 | for (size_t i = 0; i < count; i++) { 34 | CGImageRef image = CGImageSourceCreateImageAtIndex(source, i, NULL); 35 | 36 | duration += [self sd_frameDurationAtIndex:i source:source]; 37 | 38 | [images addObject:[UIImage imageWithCGImage:image scale:[UIScreen mainScreen].scale orientation:UIImageOrientationUp]]; 39 | 40 | CGImageRelease(image); 41 | } 42 | 43 | if (!duration) { 44 | duration = (1.0f / 10.0f) * count; 45 | } 46 | 47 | animatedImage = [UIImage animatedImageWithImages:images duration:duration]; 48 | } 49 | 50 | CFRelease(source); 51 | 52 | return animatedImage; 53 | } 54 | 55 | + (float)sd_frameDurationAtIndex:(NSUInteger)index source:(CGImageSourceRef)source { 56 | float frameDuration = 0.1f; 57 | CFDictionaryRef cfFrameProperties = CGImageSourceCopyPropertiesAtIndex(source, index, nil); 58 | NSDictionary *frameProperties = (__bridge NSDictionary *)cfFrameProperties; 59 | NSDictionary *gifProperties = frameProperties[(NSString *)kCGImagePropertyGIFDictionary]; 60 | 61 | NSNumber *delayTimeUnclampedProp = gifProperties[(NSString *)kCGImagePropertyGIFUnclampedDelayTime]; 62 | if (delayTimeUnclampedProp) { 63 | frameDuration = [delayTimeUnclampedProp floatValue]; 64 | } 65 | else { 66 | 67 | NSNumber *delayTimeProp = gifProperties[(NSString *)kCGImagePropertyGIFDelayTime]; 68 | if (delayTimeProp) { 69 | frameDuration = [delayTimeProp floatValue]; 70 | } 71 | } 72 | 73 | // Many annoying ads specify a 0 duration to make an image flash as quickly as possible. 74 | // We follow Firefox's behavior and use a duration of 100 ms for any frames that specify 75 | // a duration of <= 10 ms. See and 76 | // for more information. 77 | 78 | if (frameDuration < 0.011f) { 79 | frameDuration = 0.100f; 80 | } 81 | 82 | CFRelease(cfFrameProperties); 83 | return frameDuration; 84 | } 85 | 86 | + (UIImage *)sd_animatedGIFNamed:(NSString *)name { 87 | CGFloat scale = [UIScreen mainScreen].scale; 88 | 89 | if (scale > 1.0f) { 90 | NSString *retinaPath = [[NSBundle mainBundle] pathForResource:[name stringByAppendingString:@"@2x"] ofType:@"gif"]; 91 | 92 | NSData *data = [NSData dataWithContentsOfFile:retinaPath]; 93 | 94 | if (data) { 95 | return [UIImage sd_animatedGIFWithData:data]; 96 | } 97 | 98 | NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"]; 99 | 100 | data = [NSData dataWithContentsOfFile:path]; 101 | 102 | if (data) { 103 | return [UIImage sd_animatedGIFWithData:data]; 104 | } 105 | 106 | return [UIImage imageNamed:name]; 107 | } 108 | else { 109 | NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"]; 110 | 111 | NSData *data = [NSData dataWithContentsOfFile:path]; 112 | 113 | if (data) { 114 | return [UIImage sd_animatedGIFWithData:data]; 115 | } 116 | 117 | return [UIImage imageNamed:name]; 118 | } 119 | } 120 | 121 | - (UIImage *)sd_animatedImageByScalingAndCroppingToSize:(CGSize)size { 122 | if (CGSizeEqualToSize(self.size, size) || CGSizeEqualToSize(size, CGSizeZero)) { 123 | return self; 124 | } 125 | 126 | CGSize scaledSize = size; 127 | CGPoint thumbnailPoint = CGPointZero; 128 | 129 | CGFloat widthFactor = size.width / self.size.width; 130 | CGFloat heightFactor = size.height / self.size.height; 131 | CGFloat scaleFactor = (widthFactor > heightFactor) ? widthFactor : heightFactor; 132 | scaledSize.width = self.size.width * scaleFactor; 133 | scaledSize.height = self.size.height * scaleFactor; 134 | 135 | if (widthFactor > heightFactor) { 136 | thumbnailPoint.y = (size.height - scaledSize.height) * 0.5; 137 | } 138 | else if (widthFactor < heightFactor) { 139 | thumbnailPoint.x = (size.width - scaledSize.width) * 0.5; 140 | } 141 | 142 | NSMutableArray *scaledImages = [NSMutableArray array]; 143 | 144 | UIGraphicsBeginImageContextWithOptions(size, NO, 0.0); 145 | 146 | for (UIImage *image in self.images) { 147 | [image drawInRect:CGRectMake(thumbnailPoint.x, thumbnailPoint.y, scaledSize.width, scaledSize.height)]; 148 | UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); 149 | 150 | [scaledImages addObject:newImage]; 151 | } 152 | 153 | UIGraphicsEndImageContext(); 154 | 155 | return [UIImage animatedImageWithImages:scaledImages duration:self.duration]; 156 | } 157 | 158 | @end 159 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImage+MultiFormat.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+MultiFormat.h 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 07/06/13. 6 | // Copyright (c) 2013 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface UIImage (MultiFormat) 12 | 13 | + (UIImage *)sd_imageWithData:(NSData *)data; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImage+MultiFormat.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+MultiFormat.m 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 07/06/13. 6 | // Copyright (c) 2013 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import "UIImage+MultiFormat.h" 10 | #import "UIImage+GIF.h" 11 | #import "NSData+ImageContentType.h" 12 | #import 13 | 14 | #ifdef SD_WEBP 15 | #import "UIImage+WebP.h" 16 | #endif 17 | 18 | @implementation UIImage (MultiFormat) 19 | 20 | + (UIImage *)sd_imageWithData:(NSData *)data { 21 | UIImage *image; 22 | NSString *imageContentType = [NSData sd_contentTypeForImageData:data]; 23 | if ([imageContentType isEqualToString:@"image/gif"]) { 24 | image = [UIImage sd_animatedGIFWithData:data]; 25 | } 26 | #ifdef SD_WEBP 27 | else if ([imageContentType isEqualToString:@"image/webp"]) 28 | { 29 | image = [UIImage sd_imageWithWebPData:data]; 30 | } 31 | #endif 32 | else { 33 | image = [[UIImage alloc] initWithData:data]; 34 | UIImageOrientation orientation = [self sd_imageOrientationFromImageData:data]; 35 | if (orientation != UIImageOrientationUp) { 36 | image = [UIImage imageWithCGImage:image.CGImage 37 | scale:image.scale 38 | orientation:orientation]; 39 | } 40 | } 41 | 42 | 43 | return image; 44 | } 45 | 46 | 47 | +(UIImageOrientation)sd_imageOrientationFromImageData:(NSData *)imageData { 48 | UIImageOrientation result = UIImageOrientationUp; 49 | CGImageSourceRef imageSource = CGImageSourceCreateWithData((__bridge CFDataRef)imageData, NULL); 50 | if (imageSource) { 51 | CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, NULL); 52 | if (properties) { 53 | CFTypeRef val; 54 | int exifOrientation; 55 | val = CFDictionaryGetValue(properties, kCGImagePropertyOrientation); 56 | if (val) { 57 | CFNumberGetValue(val, kCFNumberIntType, &exifOrientation); 58 | result = [self sd_exifOrientationToiOSOrientation:exifOrientation]; 59 | } // else - if it's not set it remains at up 60 | CFRelease((CFTypeRef) properties); 61 | } else { 62 | //NSLog(@"NO PROPERTIES, FAIL"); 63 | } 64 | CFRelease(imageSource); 65 | } 66 | return result; 67 | } 68 | 69 | #pragma mark EXIF orientation tag converter 70 | // Convert an EXIF image orientation to an iOS one. 71 | // reference see here: http://sylvana.net/jpegcrop/exif_orientation.html 72 | + (UIImageOrientation) sd_exifOrientationToiOSOrientation:(int)exifOrientation { 73 | UIImageOrientation orientation = UIImageOrientationUp; 74 | switch (exifOrientation) { 75 | case 1: 76 | orientation = UIImageOrientationUp; 77 | break; 78 | 79 | case 3: 80 | orientation = UIImageOrientationDown; 81 | break; 82 | 83 | case 8: 84 | orientation = UIImageOrientationLeft; 85 | break; 86 | 87 | case 6: 88 | orientation = UIImageOrientationRight; 89 | break; 90 | 91 | case 2: 92 | orientation = UIImageOrientationUpMirrored; 93 | break; 94 | 95 | case 4: 96 | orientation = UIImageOrientationDownMirrored; 97 | break; 98 | 99 | case 5: 100 | orientation = UIImageOrientationLeftMirrored; 101 | break; 102 | 103 | case 7: 104 | orientation = UIImageOrientationRightMirrored; 105 | break; 106 | default: 107 | break; 108 | } 109 | return orientation; 110 | } 111 | 112 | 113 | 114 | @end 115 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImage+WebP.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+WebP.h 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 07/06/13. 6 | // Copyright (c) 2013 Dailymotion. All rights reserved. 7 | // 8 | 9 | #ifdef SD_WEBP 10 | 11 | #import 12 | 13 | // Fix for issue #416 Undefined symbols for architecture armv7 since WebP introduction when deploying to device 14 | void WebPInitPremultiplyNEON(void); 15 | 16 | void WebPInitUpsamplersNEON(void); 17 | 18 | void VP8DspInitNEON(void); 19 | 20 | @interface UIImage (WebP) 21 | 22 | + (UIImage *)sd_imageWithWebPData:(NSData *)data; 23 | 24 | @end 25 | 26 | #endif 27 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImage+WebP.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+WebP.m 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 07/06/13. 6 | // Copyright (c) 2013 Dailymotion. All rights reserved. 7 | // 8 | 9 | #ifdef SD_WEBP 10 | #import "UIImage+WebP.h" 11 | #import "webp/decode.h" 12 | 13 | // Callback for CGDataProviderRelease 14 | static void FreeImageData(void *info, const void *data, size_t size) 15 | { 16 | free((void *)data); 17 | } 18 | 19 | @implementation UIImage (WebP) 20 | 21 | + (UIImage *)sd_imageWithWebPData:(NSData *)data { 22 | WebPDecoderConfig config; 23 | if (!WebPInitDecoderConfig(&config)) { 24 | return nil; 25 | } 26 | 27 | if (WebPGetFeatures(data.bytes, data.length, &config.input) != VP8_STATUS_OK) { 28 | return nil; 29 | } 30 | 31 | config.output.colorspace = config.input.has_alpha ? MODE_rgbA : MODE_RGB; 32 | config.options.use_threads = 1; 33 | 34 | // Decode the WebP image data into a RGBA value array. 35 | if (WebPDecode(data.bytes, data.length, &config) != VP8_STATUS_OK) { 36 | return nil; 37 | } 38 | 39 | int width = config.input.width; 40 | int height = config.input.height; 41 | if (config.options.use_scaling) { 42 | width = config.options.scaled_width; 43 | height = config.options.scaled_height; 44 | } 45 | 46 | // Construct a UIImage from the decoded RGBA value array. 47 | CGDataProviderRef provider = 48 | CGDataProviderCreateWithData(NULL, config.output.u.RGBA.rgba, config.output.u.RGBA.size, FreeImageData); 49 | CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB(); 50 | CGBitmapInfo bitmapInfo = config.input.has_alpha ? kCGBitmapByteOrder32Big | kCGImageAlphaPremultipliedLast : 0; 51 | size_t components = config.input.has_alpha ? 4 : 3; 52 | CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault; 53 | CGImageRef imageRef = CGImageCreate(width, height, 8, components * 8, components * width, colorSpaceRef, bitmapInfo, provider, NULL, NO, renderingIntent); 54 | 55 | CGColorSpaceRelease(colorSpaceRef); 56 | CGDataProviderRelease(provider); 57 | 58 | UIImage *image = [[UIImage alloc] initWithCGImage:imageRef]; 59 | CGImageRelease(imageRef); 60 | 61 | return image; 62 | } 63 | 64 | @end 65 | 66 | #if !COCOAPODS 67 | // Functions to resolve some undefined symbols when using WebP and force_load flag 68 | void WebPInitPremultiplyNEON(void) {} 69 | void WebPInitUpsamplersNEON(void) {} 70 | void VP8DspInitNEON(void) {} 71 | #endif 72 | 73 | #endif 74 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImageView+HighlightedWebCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageCompat.h" 11 | #import "SDWebImageManager.h" 12 | 13 | /** 14 | * Integrates SDWebImage async downloading and caching of remote images with UIImageView for highlighted state. 15 | */ 16 | @interface UIImageView (HighlightedWebCache) 17 | 18 | /** 19 | * Set the imageView `highlightedImage` with an `url`. 20 | * 21 | * The download is asynchronous and cached. 22 | * 23 | * @param url The url for the image. 24 | */ 25 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url; 26 | 27 | /** 28 | * Set the imageView `highlightedImage` with an `url` and custom options. 29 | * 30 | * The download is asynchronous and cached. 31 | * 32 | * @param url The url for the image. 33 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 34 | */ 35 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options; 36 | 37 | /** 38 | * Set the imageView `highlightedImage` with an `url`. 39 | * 40 | * The download is asynchronous and cached. 41 | * 42 | * @param url The url for the image. 43 | * @param completedBlock A block called when operation has been completed. This block has no return value 44 | * and takes the requested UIImage as first parameter. In case of error the image parameter 45 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 46 | * indicating if the image was retrived from the local cache or from the network. 47 | * The fourth parameter is the original image url. 48 | */ 49 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock; 50 | 51 | /** 52 | * Set the imageView `highlightedImage` with an `url` and custom options. 53 | * 54 | * The download is asynchronous and cached. 55 | * 56 | * @param url The url for the image. 57 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 58 | * @param completedBlock A block called when operation has been completed. This block has no return value 59 | * and takes the requested UIImage as first parameter. In case of error the image parameter 60 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 61 | * indicating if the image was retrived from the local cache or from the network. 62 | * The fourth parameter is the original image url. 63 | */ 64 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 65 | 66 | /** 67 | * Set the imageView `highlightedImage` with an `url` and custom options. 68 | * 69 | * The download is asynchronous and cached. 70 | * 71 | * @param url The url for the image. 72 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 73 | * @param progressBlock A block called while image is downloading 74 | * @param completedBlock A block called when operation has been completed. This block has no return value 75 | * and takes the requested UIImage as first parameter. In case of error the image parameter 76 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 77 | * indicating if the image was retrived from the local cache or from the network. 78 | * The fourth parameter is the original image url. 79 | */ 80 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock; 81 | 82 | /** 83 | * Cancel the current download 84 | */ 85 | - (void)sd_cancelCurrentHighlightedImageLoad; 86 | 87 | @end 88 | 89 | 90 | @interface UIImageView (HighlightedWebCacheDeprecated) 91 | 92 | - (void)setHighlightedImageWithURL:(NSURL *)url __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:`"); 93 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:options:`"); 94 | - (void)setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:completed:`"); 95 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:options:completed:`"); 96 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:options:progress:completed:`"); 97 | 98 | - (void)cancelCurrentHighlightedImageLoad __deprecated_msg("Use `sd_cancelCurrentHighlightedImageLoad`"); 99 | 100 | @end 101 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImageView+HighlightedWebCache.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIImageView+HighlightedWebCache.h" 10 | #import "UIView+WebCacheOperation.h" 11 | 12 | #define UIImageViewHighlightedWebCacheOperationKey @"highlightedImage" 13 | 14 | @implementation UIImageView (HighlightedWebCache) 15 | 16 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url { 17 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:nil]; 18 | } 19 | 20 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options { 21 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:nil]; 22 | } 23 | 24 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock { 25 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:completedBlock]; 26 | } 27 | 28 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 29 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:completedBlock]; 30 | } 31 | 32 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 33 | [self sd_cancelCurrentHighlightedImageLoad]; 34 | 35 | if (url) { 36 | __weak UIImageView *wself = self; 37 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 38 | if (!wself) return; 39 | dispatch_main_sync_safe (^ 40 | { 41 | if (!wself) return; 42 | if (image) { 43 | wself.highlightedImage = image; 44 | [wself setNeedsLayout]; 45 | } 46 | if (completedBlock && finished) { 47 | completedBlock(image, error, cacheType, url); 48 | } 49 | }); 50 | }]; 51 | [self sd_setImageLoadOperation:operation forKey:UIImageViewHighlightedWebCacheOperationKey]; 52 | } else { 53 | dispatch_main_async_safe(^{ 54 | NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 55 | if (completedBlock) { 56 | completedBlock(nil, error, SDImageCacheTypeNone, url); 57 | } 58 | }); 59 | } 60 | } 61 | 62 | - (void)sd_cancelCurrentHighlightedImageLoad { 63 | [self sd_cancelImageLoadOperationWithKey:UIImageViewHighlightedWebCacheOperationKey]; 64 | } 65 | 66 | @end 67 | 68 | 69 | @implementation UIImageView (HighlightedWebCacheDeprecated) 70 | 71 | - (void)setHighlightedImageWithURL:(NSURL *)url { 72 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:nil]; 73 | } 74 | 75 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options { 76 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:nil]; 77 | } 78 | 79 | - (void)setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock { 80 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 81 | if (completedBlock) { 82 | completedBlock(image, error, cacheType); 83 | } 84 | }]; 85 | } 86 | 87 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 88 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 89 | if (completedBlock) { 90 | completedBlock(image, error, cacheType); 91 | } 92 | }]; 93 | } 94 | 95 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock { 96 | [self sd_setHighlightedImageWithURL:url options:0 progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 97 | if (completedBlock) { 98 | completedBlock(image, error, cacheType); 99 | } 100 | }]; 101 | } 102 | 103 | - (void)cancelCurrentHighlightedImageLoad { 104 | [self sd_cancelCurrentHighlightedImageLoad]; 105 | } 106 | 107 | @end 108 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImageView+WebCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageCompat.h" 10 | #import "SDWebImageManager.h" 11 | 12 | /** 13 | * Integrates SDWebImage async downloading and caching of remote images with UIImageView. 14 | * 15 | * Usage with a UITableViewCell sub-class: 16 | * 17 | * @code 18 | 19 | #import 20 | 21 | ... 22 | 23 | - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 24 | { 25 | static NSString *MyIdentifier = @"MyIdentifier"; 26 | 27 | UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier]; 28 | 29 | if (cell == nil) { 30 | cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MyIdentifier] 31 | autorelease]; 32 | } 33 | 34 | // Here we use the provided sd_setImageWithURL: method to load the web image 35 | // Ensure you use a placeholder image otherwise cells will be initialized with no image 36 | [cell.imageView sd_setImageWithURL:[NSURL URLWithString:@"http://example.com/image.jpg"] 37 | placeholderImage:[UIImage imageNamed:@"placeholder"]]; 38 | 39 | cell.textLabel.text = @"My Text"; 40 | return cell; 41 | } 42 | 43 | * @endcode 44 | */ 45 | @interface UIImageView (WebCache) 46 | 47 | /** 48 | * Get the current image URL. 49 | * 50 | * Note that because of the limitations of categories this property can get out of sync 51 | * if you use sd_setImage: directly. 52 | */ 53 | - (NSURL *)sd_imageURL; 54 | 55 | /** 56 | * Set the imageView `image` with an `url`. 57 | * 58 | * The download is asynchronous and cached. 59 | * 60 | * @param url The url for the image. 61 | */ 62 | - (void)sd_setImageWithURL:(NSURL *)url; 63 | 64 | /** 65 | * Set the imageView `image` with an `url` and a placeholder. 66 | * 67 | * The download is asynchronous and cached. 68 | * 69 | * @param url The url for the image. 70 | * @param placeholder The image to be set initially, until the image request finishes. 71 | * @see sd_setImageWithURL:placeholderImage:options: 72 | */ 73 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder; 74 | 75 | /** 76 | * Set the imageView `image` with an `url`, placeholder and custom options. 77 | * 78 | * The download is asynchronous and cached. 79 | * 80 | * @param url The url for the image. 81 | * @param placeholder The image to be set initially, until the image request finishes. 82 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 83 | */ 84 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options; 85 | 86 | /** 87 | * Set the imageView `image` with an `url`. 88 | * 89 | * The download is asynchronous and cached. 90 | * 91 | * @param url The url for the image. 92 | * @param completedBlock A block called when operation has been completed. This block has no return value 93 | * and takes the requested UIImage as first parameter. In case of error the image parameter 94 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 95 | * indicating if the image was retrived from the local cache or from the network. 96 | * The fourth parameter is the original image url. 97 | */ 98 | - (void)sd_setImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock; 99 | 100 | /** 101 | * Set the imageView `image` with an `url`, placeholder. 102 | * 103 | * The download is asynchronous and cached. 104 | * 105 | * @param url The url for the image. 106 | * @param placeholder The image to be set initially, until the image request finishes. 107 | * @param completedBlock A block called when operation has been completed. This block has no return value 108 | * and takes the requested UIImage as first parameter. In case of error the image parameter 109 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 110 | * indicating if the image was retrived from the local cache or from the network. 111 | * The fourth parameter is the original image url. 112 | */ 113 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock; 114 | 115 | /** 116 | * Set the imageView `image` with an `url`, placeholder and custom options. 117 | * 118 | * The download is asynchronous and cached. 119 | * 120 | * @param url The url for the image. 121 | * @param placeholder The image to be set initially, until the image request finishes. 122 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 123 | * @param completedBlock A block called when operation has been completed. This block has no return value 124 | * and takes the requested UIImage as first parameter. In case of error the image parameter 125 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 126 | * indicating if the image was retrived from the local cache or from the network. 127 | * The fourth parameter is the original image url. 128 | */ 129 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 130 | 131 | /** 132 | * Set the imageView `image` with an `url`, placeholder and custom options. 133 | * 134 | * The download is asynchronous and cached. 135 | * 136 | * @param url The url for the image. 137 | * @param placeholder The image to be set initially, until the image request finishes. 138 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 139 | * @param progressBlock A block called while image is downloading 140 | * @param completedBlock A block called when operation has been completed. This block has no return value 141 | * and takes the requested UIImage as first parameter. In case of error the image parameter 142 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 143 | * indicating if the image was retrived from the local cache or from the network. 144 | * The fourth parameter is the original image url. 145 | */ 146 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock; 147 | 148 | /** 149 | * Set the imageView `image` with an `url` and a optionaly placeholder image. 150 | * 151 | * The download is asynchronous and cached. 152 | * 153 | * @param url The url for the image. 154 | * @param placeholder The image to be set initially, until the image request finishes. 155 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 156 | * @param progressBlock A block called while image is downloading 157 | * @param completedBlock A block called when operation has been completed. This block has no return value 158 | * and takes the requested UIImage as first parameter. In case of error the image parameter 159 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 160 | * indicating if the image was retrived from the local cache or from the network. 161 | * The fourth parameter is the original image url. 162 | */ 163 | - (void)sd_setImageWithPreviousCachedImageWithURL:(NSURL *)url andPlaceholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock; 164 | 165 | /** 166 | * Download an array of images and starts them in an animation loop 167 | * 168 | * @param arrayOfURLs An array of NSURL 169 | */ 170 | - (void)sd_setAnimationImagesWithURLs:(NSArray *)arrayOfURLs; 171 | 172 | /** 173 | * Cancel the current download 174 | */ 175 | - (void)sd_cancelCurrentImageLoad; 176 | 177 | - (void)sd_cancelCurrentAnimationImagesLoad; 178 | 179 | @end 180 | 181 | 182 | @interface UIImageView (WebCacheDeprecated) 183 | 184 | - (NSURL *)imageURL __deprecated_msg("Use `sd_imageURL`"); 185 | 186 | - (void)setImageWithURL:(NSURL *)url __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:`"); 187 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:`"); 188 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options`"); 189 | 190 | - (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:completed:`"); 191 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:completed:`"); 192 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options:completed:`"); 193 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options:progress:completed:`"); 194 | 195 | - (void)setAnimationImagesWithURLs:(NSArray *)arrayOfURLs __deprecated_msg("Use `sd_setAnimationImagesWithURLs:`"); 196 | 197 | - (void)cancelCurrentArrayLoad __deprecated_msg("Use `sd_cancelCurrentAnimationImagesLoad`"); 198 | 199 | - (void)cancelCurrentImageLoad __deprecated_msg("Use `sd_cancelCurrentImageLoad`"); 200 | 201 | @end 202 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIImageView+WebCache.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIImageView+WebCache.h" 10 | #import "objc/runtime.h" 11 | #import "UIView+WebCacheOperation.h" 12 | 13 | static char imageURLKey; 14 | 15 | @implementation UIImageView (WebCache) 16 | 17 | - (void)sd_setImageWithURL:(NSURL *)url { 18 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil]; 19 | } 20 | 21 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder { 22 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil]; 23 | } 24 | 25 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 26 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil]; 27 | } 28 | 29 | - (void)sd_setImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock { 30 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:completedBlock]; 31 | } 32 | 33 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 34 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:completedBlock]; 35 | } 36 | 37 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 38 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:completedBlock]; 39 | } 40 | 41 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 42 | [self sd_cancelCurrentImageLoad]; 43 | objc_setAssociatedObject(self, &imageURLKey, url, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 44 | 45 | if (!(options & SDWebImageDelayPlaceholder)) { 46 | dispatch_main_async_safe(^{ 47 | self.image = placeholder; 48 | }); 49 | } 50 | 51 | if (url) { 52 | __weak UIImageView *wself = self; 53 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 54 | if (!wself) return; 55 | dispatch_main_sync_safe(^{ 56 | if (!wself) return; 57 | if (image) { 58 | wself.image = image; 59 | [wself setNeedsLayout]; 60 | } else { 61 | if ((options & SDWebImageDelayPlaceholder)) { 62 | wself.image = placeholder; 63 | [wself setNeedsLayout]; 64 | } 65 | } 66 | if (completedBlock && finished) { 67 | completedBlock(image, error, cacheType, url); 68 | } 69 | }); 70 | }]; 71 | [self sd_setImageLoadOperation:operation forKey:@"UIImageViewImageLoad"]; 72 | } else { 73 | dispatch_main_async_safe(^{ 74 | NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 75 | if (completedBlock) { 76 | completedBlock(nil, error, SDImageCacheTypeNone, url); 77 | } 78 | }); 79 | } 80 | } 81 | 82 | - (void)sd_setImageWithPreviousCachedImageWithURL:(NSURL *)url andPlaceholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 83 | NSString *key = [[SDWebImageManager sharedManager] cacheKeyForURL:url]; 84 | UIImage *lastPreviousCachedImage = [[SDImageCache sharedImageCache] imageFromDiskCacheForKey:key]; 85 | 86 | [self sd_setImageWithURL:url placeholderImage:lastPreviousCachedImage ?: placeholder options:options progress:progressBlock completed:completedBlock]; 87 | } 88 | 89 | - (NSURL *)sd_imageURL { 90 | return objc_getAssociatedObject(self, &imageURLKey); 91 | } 92 | 93 | - (void)sd_setAnimationImagesWithURLs:(NSArray *)arrayOfURLs { 94 | [self sd_cancelCurrentAnimationImagesLoad]; 95 | __weak UIImageView *wself = self; 96 | 97 | NSMutableArray *operationsArray = [[NSMutableArray alloc] init]; 98 | 99 | for (NSURL *logoImageURL in arrayOfURLs) { 100 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:logoImageURL options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 101 | if (!wself) return; 102 | dispatch_main_sync_safe(^{ 103 | __strong UIImageView *sself = wself; 104 | [sself stopAnimating]; 105 | if (sself && image) { 106 | NSMutableArray *currentImages = [[sself animationImages] mutableCopy]; 107 | if (!currentImages) { 108 | currentImages = [[NSMutableArray alloc] init]; 109 | } 110 | [currentImages addObject:image]; 111 | 112 | sself.animationImages = currentImages; 113 | [sself setNeedsLayout]; 114 | } 115 | [sself startAnimating]; 116 | }); 117 | }]; 118 | [operationsArray addObject:operation]; 119 | } 120 | 121 | [self sd_setImageLoadOperation:[NSArray arrayWithArray:operationsArray] forKey:@"UIImageViewAnimationImages"]; 122 | } 123 | 124 | - (void)sd_cancelCurrentImageLoad { 125 | [self sd_cancelImageLoadOperationWithKey:@"UIImageViewImageLoad"]; 126 | } 127 | 128 | - (void)sd_cancelCurrentAnimationImagesLoad { 129 | [self sd_cancelImageLoadOperationWithKey:@"UIImageViewAnimationImages"]; 130 | } 131 | 132 | @end 133 | 134 | 135 | @implementation UIImageView (WebCacheDeprecated) 136 | 137 | - (NSURL *)imageURL { 138 | return [self sd_imageURL]; 139 | } 140 | 141 | - (void)setImageWithURL:(NSURL *)url { 142 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil]; 143 | } 144 | 145 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder { 146 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil]; 147 | } 148 | 149 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 150 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil]; 151 | } 152 | 153 | - (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock { 154 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 155 | if (completedBlock) { 156 | completedBlock(image, error, cacheType); 157 | } 158 | }]; 159 | } 160 | 161 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 162 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 163 | if (completedBlock) { 164 | completedBlock(image, error, cacheType); 165 | } 166 | }]; 167 | } 168 | 169 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 170 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 171 | if (completedBlock) { 172 | completedBlock(image, error, cacheType); 173 | } 174 | }]; 175 | } 176 | 177 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock { 178 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 179 | if (completedBlock) { 180 | completedBlock(image, error, cacheType); 181 | } 182 | }]; 183 | } 184 | 185 | - (void)cancelCurrentArrayLoad { 186 | [self sd_cancelCurrentAnimationImagesLoad]; 187 | } 188 | 189 | - (void)cancelCurrentImageLoad { 190 | [self sd_cancelCurrentImageLoad]; 191 | } 192 | 193 | - (void)setAnimationImagesWithURLs:(NSArray *)arrayOfURLs { 194 | [self sd_setAnimationImagesWithURLs:arrayOfURLs]; 195 | } 196 | 197 | @end 198 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIView+WebCacheOperation.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageManager.h" 11 | 12 | @interface UIView (WebCacheOperation) 13 | 14 | /** 15 | * Set the image load operation (storage in a UIView based dictionary) 16 | * 17 | * @param operation the operation 18 | * @param key key for storing the operation 19 | */ 20 | - (void)sd_setImageLoadOperation:(id)operation forKey:(NSString *)key; 21 | 22 | /** 23 | * Cancel all operations for the current UIView and key 24 | * 25 | * @param key key for identifying the operations 26 | */ 27 | - (void)sd_cancelImageLoadOperationWithKey:(NSString *)key; 28 | 29 | /** 30 | * Just remove the operations corresponding to the current UIView and key without cancelling them 31 | * 32 | * @param key key for identifying the operations 33 | */ 34 | - (void)sd_removeImageLoadOperationWithKey:(NSString *)key; 35 | 36 | @end 37 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/SDWebImage/UIView+WebCacheOperation.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIView+WebCacheOperation.h" 10 | #import "objc/runtime.h" 11 | 12 | static char loadOperationKey; 13 | 14 | @implementation UIView (WebCacheOperation) 15 | 16 | - (NSMutableDictionary *)operationDictionary { 17 | NSMutableDictionary *operations = objc_getAssociatedObject(self, &loadOperationKey); 18 | if (operations) { 19 | return operations; 20 | } 21 | operations = [NSMutableDictionary dictionary]; 22 | objc_setAssociatedObject(self, &loadOperationKey, operations, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 23 | return operations; 24 | } 25 | 26 | - (void)sd_setImageLoadOperation:(id)operation forKey:(NSString *)key { 27 | [self sd_cancelImageLoadOperationWithKey:key]; 28 | NSMutableDictionary *operationDictionary = [self operationDictionary]; 29 | [operationDictionary setObject:operation forKey:key]; 30 | } 31 | 32 | - (void)sd_cancelImageLoadOperationWithKey:(NSString *)key { 33 | // Cancel in progress downloader from queue 34 | NSMutableDictionary *operationDictionary = [self operationDictionary]; 35 | id operations = [operationDictionary objectForKey:key]; 36 | if (operations) { 37 | if ([operations isKindOfClass:[NSArray class]]) { 38 | for (id operation in operations) { 39 | if (operation) { 40 | [operation cancel]; 41 | } 42 | } 43 | } else if ([operations conformsToProtocol:@protocol(SDWebImageOperation)]){ 44 | [(id) operations cancel]; 45 | } 46 | [operationDictionary removeObjectForKey:key]; 47 | } 48 | } 49 | 50 | - (void)sd_removeImageLoadOperationWithKey:(NSString *)key { 51 | NSMutableDictionary *operationDictionary = [self operationDictionary]; 52 | [operationDictionary removeObjectForKey:key]; 53 | } 54 | 55 | @end 56 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/TYAsyncNetworking.h: -------------------------------------------------------------------------------- 1 | // 2 | // TYAsyncNetworking.h 3 | // tianyanAR 4 | // 5 | // Created by 向伟 on 15/11/30. 6 | // Copyright © 2015年 Steven2761. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | typedef void (^HandleBlock)(NSData *data); 12 | typedef void (^RefreshBlock)(); 13 | typedef void (^ErrorBlock)(NSError *error); 14 | @interface TYAsyncNetworking : NSObject 15 | 16 | /** 17 | *联网请求获得数据 18 | */ 19 | +(instancetype)request:(NSString *)urlString andWithHandler:(HandleBlock)hBlock andWithRefresh:(RefreshBlock)rBlock andWithError:(ErrorBlock)eBlock; 20 | @end 21 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Lib/TYAsyncNetworking.m: -------------------------------------------------------------------------------- 1 | // 2 | // TYAsyncNetworking.m 3 | // tianyanAR 4 | // 5 | // Created by 向伟 on 15/11/30. 6 | // Copyright © 2015年 Steven2761. All rights reserved. 7 | // 8 | 9 | #import "TYAsyncNetworking.h" 10 | 11 | #define TYLanguage @"TYLanguage" 12 | @interface TYAsyncNetworking () 13 | 14 | @property(nonatomic,strong)NSMutableData *data; 15 | @property(nonatomic,copy)HandleBlock hBlock; 16 | @property(nonatomic,copy)RefreshBlock rBlock; 17 | @property(nonatomic,copy)ErrorBlock eBlock; 18 | 19 | @end 20 | 21 | @implementation TYAsyncNetworking 22 | 23 | /** 24 | *从服务器获得响应 25 | */ 26 | -(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response 27 | { 28 | //抹去以前的数据 29 | [self.data setLength:0]; 30 | } 31 | 32 | /** 33 | *从服务器获得数据 34 | */ 35 | -(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data 36 | { 37 | [self.data appendData:data]; 38 | } 39 | 40 | /** 41 | *完成加载 42 | */ 43 | -(void)connectionDidFinishLoading:(NSURLConnection *)connection 44 | { 45 | dispatch_async(dispatch_get_global_queue(0, 0), ^{ 46 | if (self.hBlock) { 47 | self.hBlock(self.data); 48 | } 49 | dispatch_async(dispatch_get_main_queue(), ^{ 50 | if (self.rBlock) { 51 | self.rBlock(); 52 | } 53 | }); 54 | }); 55 | } 56 | 57 | -(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error 58 | { 59 | if (self.eBlock) { 60 | self.eBlock(error); 61 | } 62 | } 63 | /** 64 | *联网请求 65 | */ 66 | +(instancetype)request:(NSString *)urlString andWithHandler:(HandleBlock)hBlock andWithRefresh:(RefreshBlock)rBlock andWithError:(ErrorBlock)eBlock 67 | { 68 | return [[self alloc]initWithRequest:urlString andWithHandler:hBlock andWithRefresh:rBlock andWithError:eBlock]; 69 | } 70 | 71 | -(instancetype)initWithRequest:(NSString *)urlString andWithHandler:(HandleBlock)hBlock andWithRefresh:(RefreshBlock)rBlock andWithError:(ErrorBlock)eBlock 72 | { 73 | if (self = [super init]) { 74 | NSURL *url = [NSURL URLWithString:urlString]; 75 | NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; 76 | request.cachePolicy = NSURLRequestReloadIgnoringCacheData; 77 | request.cachePolicy = NSURLRequestReturnCacheDataElseLoad; 78 | NSURLConnection *conection = [NSURLConnection connectionWithRequest:request delegate:self]; 79 | self.data = [NSMutableData data]; 80 | self.hBlock = hBlock; 81 | self.rBlock = rBlock; 82 | self.eBlock = eBlock; 83 | [conection start]; 84 | } 85 | return self; 86 | } 87 | @end 88 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/Controller/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController 12 | 13 | 14 | @end 15 | 16 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/Controller/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import "ViewController.h" 10 | #import "XWWaterFlowLayout.h" 11 | #import "XWCollectionViewCell.h" 12 | #import "ImageModel.h" 13 | #import "TYAsyncNetworking.h" 14 | #import "UIImageView+WebCache.h" 15 | #import "SDWebImageManager.h" 16 | #define ScreenWidth [UIScreen mainScreen].bounds.size.width 17 | #define ScreenHeight [UIScreen mainScreen].bounds.size.height 18 | #define imageUrl @"http://box.dwstatic.com/apiAlbum.php?action=l&albumsTag=jiongTu&p=2&v=117&OSType=iOS8.4&versionName=2.2.7" 19 | #define RGB_COLOR(R,G,B,A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A] 20 | #define MAIN_SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.width 21 | 22 | @interface ViewController () 23 | 24 | @property (nonatomic,strong) UICollectionView *collectionView; 25 | 26 | @property (nonatomic,strong) NSMutableArray *dataArray; 27 | 28 | 29 | @end 30 | 31 | 32 | static NSString *ID = @"images"; 33 | 34 | @implementation ViewController 35 | 36 | - (NSMutableArray *)dataArray 37 | { 38 | if (_dataArray == nil) { 39 | _dataArray = [[NSMutableArray alloc]init]; 40 | } 41 | return _dataArray; 42 | } 43 | 44 | -(void)viewWillAppear:(BOOL)animated{ 45 | 46 | [super viewWillAppear:animated]; 47 | 48 | } 49 | - (void)viewDidLoad { 50 | [super viewDidLoad]; 51 | self.navigationItem.title = @"图片集"; 52 | self.navigationController.navigationBar.barTintColor = [UIColor orangeColor]; 53 | 54 | [self downLoad]; 55 | dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ 56 | XWWaterFlowLayout *layout = [[XWWaterFlowLayout alloc]init]; 57 | layout.delegate = self; 58 | layout.columnsCount = 2; 59 | 60 | UICollectionView *collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 64, self.view.frame.size.width, self.view.frame.size.height) collectionViewLayout:layout]; 61 | collectionView.backgroundColor = [UIColor whiteColor]; 62 | collectionView.dataSource = self; 63 | collectionView.delegate = self; 64 | [collectionView registerNib:[UINib nibWithNibName:@"XWCollectionViewCell" bundle:nil] forCellWithReuseIdentifier:ID]; 65 | [self.view addSubview:collectionView]; 66 | self.collectionView = collectionView; 67 | }); 68 | 69 | 70 | } 71 | 72 | 73 | #pragma mark -XWWaterFlowLayoutDelegate- 74 | -(CGFloat) waterFlowLayout:(XWWaterFlowLayout *)waterFlowLayout heightForWidth:(CGFloat)width atIndexPath:(NSIndexPath *)indexPath{ 75 | 76 | ImageModel *model = self.dataArray[indexPath.item]; 77 | 78 | CGFloat height = [[NSString stringWithFormat:@"%@",model.coverHeight] integerValue]; 79 | CGFloat Width = [[NSString stringWithFormat:@"%@",model.coverWidth] integerValue]; 80 | NSLog(@"height = %lf,widht = %lf,scale = %lf",height,Width,height/Width*width); 81 | return height/Width *width; 82 | 83 | } 84 | #pragma mark -- collectionView 代理方法 85 | //返回数据个数 86 | - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section 87 | { 88 | return self.dataArray.count; 89 | } 90 | //返回cell的类型 91 | - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath 92 | { 93 | XWCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:ID forIndexPath:indexPath]; 94 | ImageModel *model = self.dataArray[indexPath.item]; 95 | cell.model = model; 96 | cell.layer.borderWidth = 1.0; 97 | cell.layer.borderColor = RGB_COLOR(155, 155, 155, 0.7).CGColor; 98 | return cell; 99 | } 100 | 101 | /** 102 | * cell的点击方法 103 | */ 104 | -(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{ 105 | 106 | ImageModel *model = self.dataArray[indexPath.item]; 107 | NSLog(@"%@",model.destUrl); 108 | } 109 | 110 | #pragma mark --导航栏颜色透明度变化 高度变化 111 | -(void)scrollViewDidScroll:(UIScrollView *)scrollView{ 112 | 113 | CGFloat x = scrollView.contentOffset.y/250; 114 | self.navigationController.navigationBar.alpha = 1-x; 115 | self.collectionView.frame = CGRectMake(0,64-64*x, ScreenWidth, ScreenHeight); 116 | } 117 | 118 | #pragma mark --下载数据 119 | -(void)downLoad{ 120 | 121 | [TYAsyncNetworking request:imageUrl andWithHandler:^(NSData *data) { 122 | 123 | NSDictionary *dataDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil]; 124 | self.dataArray = [ImageModel parasingDataFromDic:dataDic]; 125 | } andWithRefresh:^{ 126 | 127 | [self.collectionView reloadData]; 128 | } andWithError:^(NSError *error) { 129 | NSLog(@"error = %@",[error localizedDescription]); 130 | }]; 131 | 132 | } 133 | 134 | - (void)didReceiveMemoryWarning { 135 | [super didReceiveMemoryWarning]; 136 | // Dispose of any resources that can be recreated. 137 | } 138 | 139 | @end 140 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/ImageModel.h: -------------------------------------------------------------------------------- 1 | // 2 | // ImageModel.h 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | /** 9 | "clicks" : "0", 10 | "commentCount" : "125", 11 | "coverHeight" : "165", 12 | "coverUrl" : "http://s1.dwstatic.com/group1/M00/A4/54/23c650dc8956e027e835a4914e3e89af.jpg", 13 | "coverWidth" : "195", 14 | "created" : "1446799377", 15 | "description" : "", 16 | "destUrl" : "http://box.dwstatic.com/unsupport.php?lolboxAction=toAlbumDetail&albumId=118401&type=jiongTu", 17 | "galleryId" : "118401", 18 | "modify_time" : "2015-11-23 20:51:14", 19 | "picsum" : "56", 20 | "title" : "撸啊撸囧人囧事第179期 Faker打滚时其他队友的表情是酱紫的", 21 | "updated" : "1446812446" 22 | */ 23 | #import 24 | 25 | @interface ImageModel : NSObject 26 | /** 27 | * 点击数 28 | */ 29 | @property (nonatomic,copy) NSString *clicks; 30 | /** 31 | * 评论数 32 | */ 33 | @property (nonatomic,copy) NSString *commentCount; 34 | /** 35 | * 高度 36 | */ 37 | @property (nonatomic,copy) NSString *coverHeight; 38 | /** 39 | * 图片地址 40 | */ 41 | @property (nonatomic,copy) NSString *coverUrl; 42 | /** 43 | * 宽度 44 | */ 45 | @property (nonatomic,copy) NSString *coverWidth; 46 | /** 47 | * 创建时间 48 | */ 49 | @property (nonatomic,copy) NSString *created; 50 | /** 51 | * 描述 52 | */ 53 | @property (nonatomic,copy) NSString *description; 54 | /** 55 | * 连接地址 56 | */ 57 | @property (nonatomic,copy) NSString *destUrl; 58 | /** 59 | * 60 | */ 61 | @property (nonatomic,copy) NSString *galleryId; 62 | /** 63 | * 修改时间 64 | */ 65 | @property (nonatomic,copy) NSString *modify_time; 66 | @property (nonatomic,copy) NSString *picsum; 67 | /** 68 | * 标题 69 | */ 70 | @property (nonatomic,copy) NSString *title; 71 | /** 72 | * 更新时间 73 | */ 74 | @property (nonatomic,copy) NSString *updated; 75 | 76 | +(NSMutableArray *)parasingDataFromDic:(NSDictionary *)dic; 77 | @end 78 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/ImageModel.m: -------------------------------------------------------------------------------- 1 | // 2 | // ImageModel.m 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import "ImageModel.h" 10 | 11 | @implementation ImageModel 12 | 13 | +(NSMutableArray *)parasingDataFromDic:(NSDictionary *)dic{ 14 | 15 | NSMutableArray *dataArr = [NSMutableArray array]; 16 | NSArray *Array = [dic objectForKey:@"data"]; 17 | for (NSDictionary *dic in Array) { 18 | ImageModel *model = [[ImageModel alloc]init]; 19 | [model setValuesForKeysWithDictionary:dic]; 20 | [dataArr addObject:model]; 21 | } 22 | 23 | return dataArr; 24 | 25 | } 26 | 27 | -(void)setValue:(id)value forUndefinedKey:(NSString *)key{ 28 | 29 | } 30 | @end 31 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/View/XWCollectionViewCell.h: -------------------------------------------------------------------------------- 1 | // 2 | // XWCollectionViewCell.h 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "ImageModel.h" 11 | @interface XWCollectionViewCell : UICollectionViewCell 12 | 13 | 14 | @property (nonatomic,strong)ImageModel *model; 15 | 16 | @end 17 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/View/XWCollectionViewCell.m: -------------------------------------------------------------------------------- 1 | // 2 | // XWCollectionViewCell.m 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import "XWCollectionViewCell.h" 10 | #import "UIImageView+WebCache.h" 11 | @interface XWCollectionViewCell() 12 | @property (weak, nonatomic) IBOutlet UIImageView *imageView; 13 | 14 | @property (weak, nonatomic) IBOutlet UILabel *titleLabel; 15 | @end 16 | 17 | @implementation XWCollectionViewCell 18 | 19 | - (void)awakeFromNib { 20 | // Initialization code 21 | } 22 | 23 | 24 | -(void)setModel:(ImageModel *)model{ 25 | 26 | _model = model; 27 | 28 | [self.imageView sd_setImageWithURL:[NSURL URLWithString:model.coverUrl]]; 29 | 30 | // self.titleLabel.text = [NSString stringWithFormat:@"%@",model.title]; 31 | } 32 | @end 33 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/View/XWCollectionViewCell.xib: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/View/XWWaterFlowLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // XWWaterFlowLayout.h 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @class XWWaterFlowLayout; 12 | @protocol XWWaterFlowLayoutDelegate 13 | @optional 14 | -(CGFloat) waterFlowLayout:(XWWaterFlowLayout *)waterFlowLayout heightForWidth:(CGFloat)width atIndexPath:(NSIndexPath *)indexPath; 15 | @end 16 | @interface XWWaterFlowLayout : UICollectionViewLayout 17 | 18 | @property (nonatomic,strong) id delegate; 19 | 20 | @property (nonatomic, assign) UIEdgeInsets sectionInset; 21 | /** 每一列之间的间距 */ 22 | @property (nonatomic, assign) CGFloat columnMargin; 23 | /** 每一行之间的间距 */ 24 | @property (nonatomic, assign) CGFloat rowMargin; 25 | /** 显示多少列 */ 26 | @property (nonatomic, assign) int columnsCount; 27 | 28 | @end 29 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/MVC/View/XWWaterFlowLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // XWWaterFlowLayout.m 3 | // WaterFlow 4 | // 5 | // Created by Edwin on 15/12/27. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | #import "XWWaterFlowLayout.h" 9 | 10 | @interface XWWaterFlowLayout() 11 | /** 12 | * 用来存储每一列最大的Y值（每一列的高度） 13 | */ 14 | @property (nonatomic,strong) NSMutableDictionary *maxYDict; 15 | 16 | @property (nonatomic,strong) NSMutableArray *attrsArray; 17 | 18 | @end 19 | 20 | @implementation XWWaterFlowLayout 21 | 22 | - (NSMutableDictionary *)maxYDict 23 | { 24 | if (!_maxYDict) { 25 | self.maxYDict = [[NSMutableDictionary alloc] init]; 26 | } 27 | return _maxYDict; 28 | } 29 | 30 | - (NSMutableArray *)attrsArray 31 | { 32 | if (!_attrsArray) { 33 | self.attrsArray = [[NSMutableArray alloc] init]; 34 | } 35 | return _attrsArray; 36 | } 37 | 38 | - (instancetype)init 39 | { 40 | if (self = [super init]) { 41 | self.columnMargin = 10; 42 | self.rowMargin = 10; 43 | self.sectionInset = UIEdgeInsetsMake(10, 10, 10, 10); 44 | self.columnsCount = 3; 45 | } 46 | return self; 47 | } 48 | 49 | - (BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 50 | { 51 | return YES; 52 | } 53 | 54 | /** 55 | * 每次布局之前的准备 56 | */ 57 | - (void)prepareLayout 58 | { 59 | [super prepareLayout]; 60 | 61 | // 1.清空最大的Y值 62 | for (int i = 0; i [self.maxYDict[maxColumn] floatValue]) { 84 | maxColumn = column; 85 | } 86 | }]; 87 | return CGSizeMake(0, [self.maxYDict[maxColumn] floatValue] + self.sectionInset.bottom); 88 | } 89 | 90 | /** 91 | * 返回indexPath这个位置Item的布局属性 92 | */ 93 | - (UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 94 | { 95 | // 假设最短的那一列的第0列 96 | __block NSString *minColumn = @"0"; 97 | // 找出最短的那一列 98 | [self.maxYDict enumerateKeysAndObjectsUsingBlock:^(NSString *column, NSNumber *maxY, BOOL *stop) { 99 | if ([maxY floatValue] < [self.maxYDict[minColumn] floatValue]) { 100 | minColumn = column; 101 | } 102 | }]; 103 | 104 | // 计算尺寸 105 | CGFloat width = (self.collectionView.frame.size.width - self.sectionInset.left - self.sectionInset.right - (self.columnsCount - 1) * self.columnMargin)/self.columnsCount; 106 | CGFloat height = [self.delegate waterFlowLayout:self heightForWidth:width atIndexPath:indexPath]; 107 | 108 | // 计算位置 109 | CGFloat x = self.sectionInset.left + (width + self.columnMargin) * [minColumn intValue]; 110 | CGFloat y = [self.maxYDict[minColumn] floatValue] + self.rowMargin; 111 | 112 | // 更新这一列的最大Y值 113 | self.maxYDict[minColumn] = @(y + height); 114 | 115 | // 创建属性 116 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 117 | attrs.frame = CGRectMake(x, y, width, height); 118 | return attrs; 119 | } 120 | 121 | /** 122 | * 返回rect范围内的布局属性 123 | */ 124 | - (NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 125 | { 126 | return self.attrsArray; 127 | } 128 | 129 | @end 130 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Main/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // XWWaterFlowLayout 4 | // 5 | // Created by Edwin on 15/12/29. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface AppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | 16 | @end 17 | 18 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Main/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // XWWaterFlowLayout 4 | // 5 | // Created by Edwin on 15/12/29. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | 11 | @interface AppDelegate () 12 | 13 | @end 14 | 15 | @implementation AppDelegate 16 | 17 | 18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 19 | // Override point for customization after application launch. 20 | return YES; 21 | } 22 | 23 | - (void)applicationWillResignActive:(UIApplication *)application { 24 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 25 | // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. 26 | } 27 | 28 | - (void)applicationDidEnterBackground:(UIApplication *)application { 29 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 30 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 31 | } 32 | 33 | - (void)applicationWillEnterForeground:(UIApplication *)application { 34 | // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background. 35 | } 36 | 37 | - (void)applicationDidBecomeActive:(UIApplication *)application { 38 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 39 | } 40 | 41 | - (void)applicationWillTerminate:(UIApplication *)application { 42 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 43 | } 44 | 45 | @end 46 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Main/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | NSAppTransportSecurity 26 | 27 | NSAllowsArbitraryLoads 28 | 29 | 30 | UILaunchStoryboardName 31 | LaunchScreen 32 | UIMainStoryboardFile 33 | Main 34 | UIRequiredDeviceCapabilities 35 | 36 | armv7 37 | 38 | UISupportedInterfaceOrientations 39 | 40 | UIInterfaceOrientationPortrait 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /XWWaterFlowLayout/XWWaterFlowLayout/Main/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // XWWaterFlowLayout 4 | // 5 | // Created by Edwin on 15/12/29. 6 | // Copyright © 2015年 EdwinXiang. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "AppDelegate.h" 11 | 12 | int main(int argc, char * argv[]) { 13 | @autoreleasepool { 14 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 15 | } 16 | } 17 | --------------------------------------------------------------------------------