├── Sample ARC
    ├── Sample ARC
    │   ├── en.lproj
    │   │   └── InfoPlist.strings
    │   ├── SFAppDelegate.h
    │   ├── main.m
    │   ├── Sample ARC-Prefix.pch
    │   ├── Sample ARC-Info.plist
    │   └── SFAppDelegate.m
    ├── Sample ARCTests
    │   ├── en.lproj
    │   │   └── InfoPlist.strings
    │   ├── Sample_ARCTests.h
    │   ├── Sample_ARCTests.m
    │   └── Sample ARCTests-Info.plist
    └── Sample ARC.xcodeproj
    │   ├── project.xcworkspace
    │       └── contents.xcworkspacedata
    │   └── project.pbxproj
├── Sample Project
    ├── Sample Project
    │   ├── en.lproj
    │   │   └── InfoPlist.strings
    │   ├── SFAppDelegate.h
    │   ├── main.m
    │   ├── Sample Project-Prefix.pch
    │   ├── Sample Project-Info.plist
    │   └── SFAppDelegate.m
    ├── Sample ProjectTests
    │   ├── en.lproj
    │   │   └── InfoPlist.strings
    │   ├── Sample_ProjectTests.h
    │   ├── Sample ProjectTests-Info.plist
    │   └── Sample_ProjectTests.m
    └── Sample Project.xcodeproj
    │   ├── project.xcworkspace
    │       └── contents.xcworkspacedata
    │   └── project.pbxproj
├── SFObservers
    ├── NSObject+SFObservers.h
    ├── NSNotificationCenter+SFObservers.h
    ├── SFExecuteOnDealloc
    │   ├── NSObject+SFExecuteOnDealloc.h
    │   └── NSObject+SFExecuteOnDealloc.m
    ├── SFObservers.h
    ├── NSObject+SFObservers.m
    └── NSNotificationCenter+SFObservers.m
├── .gitignore
├── LICENCE.txt
└── README.md


/Sample ARC/Sample ARC/en.lproj/InfoPlist.strings:
--------------------------------------------------------------------------------
1 | /* Localized versions of Info.plist keys */
2 | 
3 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARCTests/en.lproj/InfoPlist.strings:
--------------------------------------------------------------------------------
1 | /* Localized versions of Info.plist keys */
2 | 
3 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project/en.lproj/InfoPlist.strings:
--------------------------------------------------------------------------------
1 | /* Localized versions of Info.plist keys */
2 | 
3 | 


--------------------------------------------------------------------------------
/Sample Project/Sample ProjectTests/en.lproj/InfoPlist.strings:
--------------------------------------------------------------------------------
1 | /* Localized versions of Info.plist keys */
2 | 
3 | 


--------------------------------------------------------------------------------
/SFObservers/NSObject+SFObservers.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Created by merowing2 on 3/25/12.
 3 | //
 4 | //
 5 | //
 6 | #import <Foundation/Foundation.h>
 7 | #import "SFObservers.h"
 8 | 
 9 | @interface NSObject (SFObservers)
10 | @end


--------------------------------------------------------------------------------
/SFObservers/NSNotificationCenter+SFObservers.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Created by krzysztof.zablocki on 3/23/12.
 3 | //
 4 | //
 5 | //
 6 | #import <Foundation/Foundation.h>
 7 | #import "SFObservers.h"
 8 | 
 9 | @interface NSNotificationCenter (SFObservers)
10 | @end


--------------------------------------------------------------------------------
/Sample ARC/Sample ARC.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:Sample ARC.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:Sample Project.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARCTests/Sample_ARCTests.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Sample_ARCTests.h
 3 | //  Sample ARCTests
 4 | //
 5 | //  Created by roche on 3/28/12.
 6 | //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
 7 | //
 8 | 
 9 | #import <SenTestingKit/SenTestingKit.h>
10 | 
11 | @interface Sample_ARCTests : SenTestCase
12 | 
13 | @end
14 | 


--------------------------------------------------------------------------------
/Sample Project/Sample ProjectTests/Sample_ProjectTests.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Sample_ProjectTests.h
 3 | //  Sample ProjectTests
 4 | //
 5 | //  Created by Krzysztof Zablocki on 3/26/12.
 6 | //  Copyright (c) 2012 private. All rights reserved.
 7 | //
 8 | 
 9 | #import <SenTestingKit/SenTestingKit.h>
10 | 
11 | @interface Sample_ProjectTests : SenTestCase
12 | 
13 | @end
14 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARC/SFAppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SFAppDelegate.h
 3 | //  Sample ARC
 4 | //
 5 | //  Created by roche on 3/28/12.
 6 | //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface SFAppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property(strong, nonatomic) UIWindow *window;
14 | 
15 | @end
16 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project/SFAppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SFAppDelegate.h
 3 | //  Sample Project
 4 | //
 5 | //  Created by Krzysztof Zablocki on 3/26/12.
 6 | //  Copyright (c) 2012 private. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface SFAppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property(strong, nonatomic) UIWindow *window;
14 | 
15 | @end
16 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARC/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  Sample ARC
 4 | //
 5 | //  Created by roche on 3/28/12.
 6 | //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | #import "SFAppDelegate.h"
12 | 
13 | int main(int argc, char *argv[]) {
14 |   @autoreleasepool {
15 |     return UIApplicationMain(argc, argv, nil, NSStringFromClass([SFAppDelegate class]));
16 |   }
17 | }
18 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  Sample Project
 4 | //
 5 | //  Created by Krzysztof Zablocki on 3/26/12.
 6 | //  Copyright (c) 2012 private. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | #import "SFAppDelegate.h"
12 | 
13 | int main(int argc, char *argv[]) {
14 |   @autoreleasepool {
15 |     return UIApplicationMain(argc, argv, nil, NSStringFromClass([SFAppDelegate class]));
16 |   }
17 | }
18 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project/Sample Project-Prefix.pch:
--------------------------------------------------------------------------------
 1 | //
 2 | // Prefix header for all source files of the 'Sample Project' target in the 'Sample Project' project
 3 | //
 4 | 
 5 | #import <Availability.h>
 6 | 
 7 | #ifndef __IPHONE_3_0
 8 | #warning "This project uses features only available in iOS SDK 3.0 and later."
 9 | #endif
10 | 
11 | #ifdef __OBJC__
12 | #define SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS 1
13 | #import <UIKit/UIKit.h>
14 | #import <Foundation/Foundation.h>
15 | 
16 | #endif
17 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARC/Sample ARC-Prefix.pch:
--------------------------------------------------------------------------------
 1 | //
 2 | // Prefix header for all source files of the 'Sample ARC' target in the 'Sample ARC' project
 3 | //
 4 | 
 5 | #import <Availability.h>
 6 | 
 7 | #ifndef __IPHONE_3_0
 8 | #warning "This project uses features only available in iOS SDK 3.0 and later."
 9 | #endif
10 | 
11 | #ifdef __OBJC__
12 | #define SF_OBSERVERS_LOG_ORIGINAL_METHODS 1
13 | #define SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS 1
14 | 
15 | #import <UIKit/UIKit.h>
16 | #import <Foundation/Foundation.h>
17 | 
18 | #endif
19 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARCTests/Sample_ARCTests.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Sample_ARCTests.m
 3 | //  Sample ARCTests
 4 | //
 5 | //  Created by roche on 3/28/12.
 6 | //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
 7 | //
 8 | 
 9 | #import "Sample_ARCTests.h"
10 | 
11 | @implementation Sample_ARCTests
12 | 
13 | - (void)setUp
14 | {
15 |     [super setUp];
16 |     
17 |     // Set-up code here.
18 | }
19 | 
20 | - (void)tearDown
21 | {
22 |     // Tear-down code here.
23 |     
24 |     [super tearDown];
25 | }
26 | 
27 | - (void)testExample
28 | {
29 | }
30 | 
31 | @end
32 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARCTests/Sample ARCTests-Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>${EXECUTABLE_NAME}</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>pl.pixle.${PRODUCT_NAME:rfc1034identifier}</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundlePackageType</key>
14 | 	<string>BNDL</string>
15 | 	<key>CFBundleShortVersionString</key>
16 | 	<string>1.0</string>
17 | 	<key>CFBundleSignature</key>
18 | 	<string>????</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/Sample Project/Sample ProjectTests/Sample ProjectTests-Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>${EXECUTABLE_NAME}</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>pixle.${PRODUCT_NAME:rfc1034identifier}</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundlePackageType</key>
14 | 	<string>BNDL</string>
15 | 	<key>CFBundleShortVersionString</key>
16 | 	<string>1.0</string>
17 | 	<key>CFBundleSignature</key>
18 | 	<string>????</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | # found at http://blog.illuminex.com/2009/10/better-sample-gitignore-file-for-xcode.html
 2 | # Mac OS X Finder and whatnot
 3 | .DS_Store
 4 | 
 5 | 
 6 | # Sparkle distribution Private Key (Don't check me in!)
 7 | dsa_priv.pem
 8 | 
 9 | 
10 | # XCode (and ancestors) per-user config (very noisy, and not relevant)
11 | *.mode1
12 | *.mode1v3
13 | *.mode2v3
14 | *.perspective
15 | *.perspectivev3
16 | *.pbxuser
17 | *.xcuserdata
18 | 
19 | # Generated files
20 | VersionX-revision.h
21 | 
22 | 
23 | # build products
24 | build/
25 | *.[oa]
26 | 
27 | 
28 | # Other source repository archive directories (protects when importing)
29 | .hg
30 | .svn
31 | CVS
32 | 
33 | 
34 | # automatic backup files
35 | *~.nib
36 | *.swp
37 | *~
38 | *(Autosaved).rtfd/
39 | Backup[ ]of[ ]*.pages/
40 | Backup[ ]of[ ]*.key/
41 | Backup[ ]of[ ]*.numbers/
42 | *.xcuserstate
43 | Sample Project/Sample Project.xcodeproj/xcuserdata
44 | Sample ARC/Sample ARC.xcodeproj/xcuserdata
45 | Sample Project/.idea
46 | 


--------------------------------------------------------------------------------
/LICENCE.txt:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * SFObservers http://merowing.info
 3 |  *
 4 |  * Copyright (c) 2012 Krzysztof Zabłocki
 5 |  *
 6 |  * Permission is hereby granted, free of charge, to any person obtaining a copy
 7 |  * of this software and associated documentation files (the "Software"), to deal
 8 |  * in the Software without restriction, including without limitation the rights
 9 |  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 |  * copies of the Software, and to permit persons to whom the Software is
11 |  * furnished to do so, subject to the following conditions:
12 |  *
13 |  * The above copyright notice and this permission notice shall be included in
14 |  * all copies or substantial portions of the Software.
15 |  *
16 |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 |  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 |  * THE SOFTWARE.
23 |  *
24 |  */


--------------------------------------------------------------------------------
/Sample ARC/Sample ARC/Sample ARC-Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 |     <dict>
 5 |         <key>CFBundleDevelopmentRegion</key>
 6 |         <string>en</string>
 7 |         <key>CFBundleDisplayName</key>
 8 |         <string>${PRODUCT_NAME}</string>
 9 |         <key>CFBundleExecutable</key>
10 |         <string>${EXECUTABLE_NAME}</string>
11 |         <key>CFBundleIdentifier</key>
12 |         <string>pl.pixle.${PRODUCT_NAME:rfc1034identifier}</string>
13 |         <key>CFBundleInfoDictionaryVersion</key>
14 |         <string>6.0</string>
15 |         <key>CFBundleName</key>
16 |         <string>${PRODUCT_NAME}</string>
17 |         <key>CFBundlePackageType</key>
18 |         <string>APPL</string>
19 |         <key>CFBundleShortVersionString</key>
20 |         <string>1.0</string>
21 |         <key>CFBundleSignature</key>
22 |         <string>????</string>
23 |         <key>CFBundleVersion</key>
24 |         <string>1.0</string>
25 |         <key>LSRequiresIPhoneOS</key>
26 |         <true/>
27 |         <key>UIRequiredDeviceCapabilities</key>
28 |         <array>
29 |             <string>armv7</string>
30 |         </array>
31 |         <key>UISupportedInterfaceOrientations</key>
32 |         <array>
33 |             <string>UIInterfaceOrientationPortrait</string>
34 |             <string>UIInterfaceOrientationLandscapeLeft</string>
35 |             <string>UIInterfaceOrientationLandscapeRight</string>
36 |         </array>
37 |         <key>UISupportedInterfaceOrientations~ipad</key>
38 |         <array>
39 |             <string>UIInterfaceOrientationPortrait</string>
40 |             <string>UIInterfaceOrientationPortraitUpsideDown</string>
41 |             <string>UIInterfaceOrientationLandscapeLeft</string>
42 |             <string>UIInterfaceOrientationLandscapeRight</string>
43 |         </array>
44 |     </dict>
45 | </plist>
46 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project/Sample Project-Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 |     <dict>
 5 |         <key>CFBundleDevelopmentRegion</key>
 6 |         <string>en</string>
 7 |         <key>CFBundleDisplayName</key>
 8 |         <string>${PRODUCT_NAME}</string>
 9 |         <key>CFBundleExecutable</key>
10 |         <string>${EXECUTABLE_NAME}</string>
11 |         <key>CFBundleIdentifier</key>
12 |         <string>pixle.${PRODUCT_NAME:rfc1034identifier}</string>
13 |         <key>CFBundleInfoDictionaryVersion</key>
14 |         <string>6.0</string>
15 |         <key>CFBundleName</key>
16 |         <string>${PRODUCT_NAME}</string>
17 |         <key>CFBundlePackageType</key>
18 |         <string>APPL</string>
19 |         <key>CFBundleShortVersionString</key>
20 |         <string>1.0</string>
21 |         <key>CFBundleSignature</key>
22 |         <string>????</string>
23 |         <key>CFBundleVersion</key>
24 |         <string>1.0</string>
25 |         <key>LSRequiresIPhoneOS</key>
26 |         <true/>
27 |         <key>UIRequiredDeviceCapabilities</key>
28 |         <array>
29 |             <string>armv7</string>
30 |         </array>
31 |         <key>UISupportedInterfaceOrientations</key>
32 |         <array>
33 |             <string>UIInterfaceOrientationPortrait</string>
34 |             <string>UIInterfaceOrientationLandscapeLeft</string>
35 |             <string>UIInterfaceOrientationLandscapeRight</string>
36 |         </array>
37 |         <key>UISupportedInterfaceOrientations~ipad</key>
38 |         <array>
39 |             <string>UIInterfaceOrientationPortrait</string>
40 |             <string>UIInterfaceOrientationPortraitUpsideDown</string>
41 |             <string>UIInterfaceOrientationLandscapeLeft</string>
42 |             <string>UIInterfaceOrientationLandscapeRight</string>
43 |         </array>
44 |     </dict>
45 | </plist>
46 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | 
 2 | ### UPDATE: I'm no longer using SFObservers in any project, but will still accept pull requests for improvements.
 3 | 
 4 | Purpose
 5 | --------------
 6 | SFObservers is an category extension that adds auto removal for Observer pattern in NSNotificationCenter and KVO. 
 7 | 
 8 | By including this into your project, you no longer need to manually remove observers when observer object is deallocated. 
 9 | By default it also prevents adding more than once the same observer - parameters pair, it can be disabled by setting SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS to 1 in SFObservers.h
10 | 
11 | [Follow me on twitter][1]
12 | 
13 | Supported OS & SDK Versions
14 | -----------------------------
15 | 
16 | * iOS 4.0 (Xcode 4.3, Apple LLVM compiler 3.1)
17 | 
18 | ARC Compatibility
19 | ------------------
20 | 
21 | SFObservers automatically works with both ARC and non-ARC projects through conditional compilation. There is no need to exclude SFObserver files from the ARC validation process, or to convert SFObservers using the ARC conversion tool.
22 | 
23 | Installation
24 | --------------
25 | 
26 | To use the SFObserver in your app, just drag the class files (demo files and assets are not needed) into your project. And include SFObservers.h in your project Prefix.pch file.
27 | There is no need to call custom methods, you can include it into existing project and it will work fine.
28 | If you want to allow adding the same observer - parameters pairs, set SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS to 1 in SFObservers.h
29 | 
30 | A [Cocoapods][2] spec is also available, just add this line to your Podfile:
31 | 
32 |     pod 'SFObservers', '~> 1.0'
33 | 
34 | Tests
35 | --------------
36 | 
37 | Repository contains 2 sample projects with some unit tests, one is using ARC and other not. 
38 | Also you can change SF_OBSERVERS_LOG_ORIGINAL_METHODS value to 1 if you would like to log original methods getting called.
39 | 
40 |  [1]: http://twitter.com/merowing_
41 |  [2]: http://cocoapods.org
42 | 


--------------------------------------------------------------------------------
/SFObservers/SFExecuteOnDealloc/NSObject+SFExecuteOnDealloc.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  NSObject+SFExecuteOnDealloc.h
 3 | //  SampleProject
 4 | //
 5 | //  Created by Krzysztof Zabłocki on 2/28/12.
 6 | //  Copyright (c) 2012 Krzysztof Zabłocki. All rights reserved.
 7 | //
 8 | 
 9 | //  ARC Helper
10 | //
11 | //  Version 1.2.2
12 | //
13 | //  Created by Nick Lockwood on 05/01/2012.
14 | //  Copyright 2012 Charcoal Design
15 | //
16 | //  Distributed under the permissive zlib license
17 | //  Get the latest version from here:
18 | //
19 | //  https://gist.github.com/1563325
20 | 
21 | //  Krzysztof Zabłocki Added AH_BRIDGE(x) to bridge cast to void*
22 | #ifndef AH_RETAIN
23 | #if __has_feature(objc_arc)
24 | #define AH_RETAIN(x) (x)
25 | #define AH_RELEASE(x) (void)(x)
26 | #define AH_AUTORELEASE(x) (x)
27 | #define AH_SUPER_DEALLOC (void)(0)
28 | #define AH_BRIDGE(x) ((__bridge void*)x)
29 | #else
30 | #define __AH_WEAK
31 | #define AH_WEAK assign
32 | #define AH_RETAIN(x) [(x) retain]
33 | #define AH_RELEASE(x) [(x) release]
34 | #define AH_AUTORELEASE(x) [(x) autorelease]
35 | #define AH_SUPER_DEALLOC [super dealloc]
36 | #define AH_BRIDGE(x) (x)
37 | #endif
38 | #endif
39 | 
40 | //  Weak reference support
41 | 
42 | #ifndef AH_WEAK
43 | #if defined __IPHONE_OS_VERSION_MIN_REQUIRED
44 | #if __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_4_3
45 | #define __AH_WEAK __weak
46 | #define AH_WEAK weak
47 | #else
48 | #define __AH_WEAK __unsafe_unretained
49 | #define AH_WEAK unsafe_unretained
50 | #endif
51 | #elif defined __MAC_OS_X_VERSION_MIN_REQUIRED
52 | #if __MAC_OS_X_VERSION_MIN_REQUIRED > __MAC_10_6
53 | #define __AH_WEAK __weak
54 | #define AH_WEAK weak
55 | #else
56 | #define __AH_WEAK __unsafe_unretained
57 | #define AH_WEAK unsafe_unretained
58 | #endif
59 | #endif
60 | #endif
61 | 
62 | #import <Foundation/Foundation.h>
63 | 
64 | 
65 | #define SF_EXECUTE_ON_DEALLOC_USE_SHORTHAND 1
66 | 
67 | @interface NSObject (SFExecuteOnDealloc)
68 | #if SF_EXECUTE_ON_DEALLOC_USE_SHORTHAND
69 | - (void *)performBlockOnDealloc:(void (^)(id))aBlock;
70 | 
71 | - (void)cancelDeallocBlockWithKey:(void *)blockKey;
72 | #else
73 | - (void*)sf_performBlockOnDealloc:(void(^)(void))aBlock;
74 | - (void)sf_cancelDeallocBlockWithKey:(void*)blockKey;
75 | #endif
76 | @end
77 | 


--------------------------------------------------------------------------------
/SFObservers/SFExecuteOnDealloc/NSObject+SFExecuteOnDealloc.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  NSObject+SFExecuteOnDealloc.m
 3 | //  SampleProject
 4 | //
 5 | //  Created by Krzysztof Zabłocki on 2/28/12.
 6 | //  Copyright (c) 2012 Krzysztof Zabłocki. All rights reserved.
 7 | //
 8 | #import <objc/runtime.h>
 9 | #import "NSObject+SFExecuteOnDealloc.h"
10 | #import "SFObservers.h"
11 | 
12 | @interface SFExecuteOnDeallocInternalObject : NSObject
13 | @property(nonatomic, copy) void (^block)(id);
14 | @property(nonatomic, assign) __unsafe_unretained id obj;
15 | 
16 | - (id)initWithBlock:(void (^)(id))aBlock;
17 | @end
18 | 
19 | @implementation SFExecuteOnDeallocInternalObject {
20 | 
21 |   void(^block)(id);
22 | 
23 | }
24 | @synthesize block;
25 | 
26 | 
27 | - (id)initWithBlock:(void (^)(id))aBlock
28 | {
29 |   self = [super init];
30 |   if (self) {
31 |     block = [aBlock copy];
32 |   }
33 |   return self;
34 | }
35 | 
36 | - (void)dealloc
37 | {
38 |   if (block) {
39 |     block(_obj);
40 |     AH_RELEASE(block);
41 |   }
42 |   AH_SUPER_DEALLOC;
43 | }
44 | @end
45 | 
46 | @implementation NSObject (SFExecuteOnDealloc)
47 | #if SF_EXECUTE_ON_DEALLOC_USE_SHORTHAND
48 | - (void *)performBlockOnDealloc:(void (^)(id))aBlock
49 | #else
50 | - (void*)sf_performBlockOnDealloc:(void(^)(void))aBlock
51 | #endif
52 | {
53 |   //! we need some object that will be deallocated with this one, and since we are only assigning and never again needing access to this object, let use its memory adress as key
54 |   SFExecuteOnDeallocInternalObject *internalObject = [[SFExecuteOnDeallocInternalObject alloc] initWithBlock:aBlock];
55 |   internalObject.obj = self;
56 |   objc_setAssociatedObject(self, AH_BRIDGE(internalObject), internalObject, OBJC_ASSOCIATION_RETAIN);
57 |   AH_RELEASE(internalObject);
58 |   return AH_BRIDGE(internalObject);
59 | }
60 | 
61 | #if SF_EXECUTE_ON_DEALLOC_USE_SHORTHAND
62 | 
63 | - (void)cancelDeallocBlockWithKey:(void *)blockKey
64 | #else
65 | - (void)sf_cancelDeallocBlockWithKey:(void*)blockKey
66 | #endif
67 | {
68 |   //! first cleanup the associated block
69 |   SFExecuteOnDeallocInternalObject *internalObject = objc_getAssociatedObject(self, blockKey);
70 |   internalObject.block = nil;
71 | 
72 |   //! release internal object
73 |   objc_setAssociatedObject(self, blockKey, nil, OBJC_ASSOCIATION_ASSIGN);
74 | }
75 | 
76 | @end
77 | 


--------------------------------------------------------------------------------
/Sample ARC/Sample ARC/SFAppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SFAppDelegate.m
 3 | //  Sample ARC
 4 | //
 5 | //  Created by roche on 3/28/12.
 6 | //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
 7 | //
 8 | 
 9 | #import "SFAppDelegate.h"
10 | 
11 | @implementation SFAppDelegate
12 | 
13 | @synthesize window = _window;
14 | 
15 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
16 | {
17 |   self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
18 |   // Override point for customization after application launch.
19 |   self.window.backgroundColor = [UIColor whiteColor];
20 |   [self.window makeKeyAndVisible];
21 |   return YES;
22 | }
23 | 
24 | - (void)applicationWillResignActive:(UIApplication *)application
25 | {
26 |   // 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.
27 |   // 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.
28 | }
29 | 
30 | - (void)applicationDidEnterBackground:(UIApplication *)application
31 | {
32 |   // 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. 
33 |   // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
34 | }
35 | 
36 | - (void)applicationWillEnterForeground:(UIApplication *)application
37 | {
38 |   // 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.
39 | }
40 | 
41 | - (void)applicationDidBecomeActive:(UIApplication *)application
42 | {
43 |   // 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.
44 | }
45 | 
46 | - (void)applicationWillTerminate:(UIApplication *)application
47 | {
48 |   // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
49 | }
50 | 
51 | @end
52 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project/SFAppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SFAppDelegate.m
 3 | //  Sample Project
 4 | //
 5 | //  Created by Krzysztof Zablocki on 3/26/12.
 6 | //  Copyright (c) 2012 private. All rights reserved.
 7 | //
 8 | 
 9 | #import "SFAppDelegate.h"
10 | 
11 | @implementation SFAppDelegate
12 | 
13 | @synthesize window = _window;
14 | 
15 | - (void)dealloc
16 | {
17 |   [_window release];
18 |   [super dealloc];
19 | }
20 | 
21 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
22 | {
23 |   self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
24 |   // Override point for customization after application launch.
25 |   self.window.backgroundColor = [UIColor whiteColor];
26 |   [self.window makeKeyAndVisible];
27 |   return YES;
28 | }
29 | 
30 | - (void)applicationWillResignActive:(UIApplication *)application
31 | {
32 |   // 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.
33 |   // 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.
34 | }
35 | 
36 | - (void)applicationDidEnterBackground:(UIApplication *)application
37 | {
38 |   // 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. 
39 |   // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
40 | }
41 | 
42 | - (void)applicationWillEnterForeground:(UIApplication *)application
43 | {
44 |   // 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.
45 | }
46 | 
47 | - (void)applicationDidBecomeActive:(UIApplication *)application
48 | {
49 |   // 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.
50 | }
51 | 
52 | - (void)applicationWillTerminate:(UIApplication *)application
53 | {
54 |   // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
55 | }
56 | 
57 | @end
58 | 


--------------------------------------------------------------------------------
/SFObservers/SFObservers.h:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * SFObservers http://merowing.info
 3 |  *
 4 |  * Copyright (c) 2012 Krzysztof Zabłocki
 5 |  *
 6 |  * Permission is hereby granted, free of charge, to any person obtaining a copy
 7 |  * of this software and associated documentation files (the "Software"), to deal
 8 |  * in the Software without restriction, including without limitation the rights
 9 |  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 |  * copies of the Software, and to permit persons to whom the Software is
11 |  * furnished to do so, subject to the following conditions:
12 |  *
13 |  * The above copyright notice and this permission notice shall be included in
14 |  * all copies or substantial portions of the Software.
15 |  *
16 |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 |  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 |  * THE SOFTWARE.
23 |  *
24 |  */
25 | 
26 | //  ARC Helper
27 | //
28 | //  Version 1.2.2
29 | //
30 | //  Created by Nick Lockwood on 05/01/2012.
31 | //  Copyright 2012 Charcoal Design
32 | //
33 | //  Distributed under the permissive zlib license
34 | //  Get the latest version from here:
35 | //
36 | //  https://gist.github.com/1563325
37 | 
38 | //  Krzysztof Zabłocki Added AH_BRIDGE(x) to bridge cast to void*
39 | 
40 | #ifndef AH_RETAIN
41 | #if __has_feature(objc_arc)
42 | #define AH_RETAIN(x) (x)
43 | #define AH_RELEASE(x) (void)(x)
44 | #define AH_AUTORELEASE(x) (x)
45 | #define AH_SUPER_DEALLOC (void)(0)
46 | #define AH_BRIDGE(x) ((__bridge void*)x)
47 | #else
48 | #define __AH_WEAK
49 | #define AH_WEAK assign
50 | #define AH_RETAIN(x) [(x) retain]
51 | #define AH_RELEASE(x) [(x) release]
52 | #define AH_AUTORELEASE(x) [(x) autorelease]
53 | #define AH_SUPER_DEALLOC [super dealloc]
54 | #define AH_BRIDGE(x) (x)
55 | #endif
56 | #endif
57 | 
58 | //  Weak reference support
59 | 
60 | #ifndef AH_WEAK
61 | #if defined __IPHONE_OS_VERSION_MIN_REQUIRED
62 | #if __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_4_3
63 | #define __AH_WEAK __weak
64 | #define AH_WEAK weak
65 | #else
66 | #define __AH_WEAK __unsafe_unretained
67 | #define AH_WEAK unsafe_unretained
68 | #endif
69 | #elif defined __MAC_OS_X_VERSION_MIN_REQUIRED
70 | #if __MAC_OS_X_VERSION_MIN_REQUIRED > __MAC_10_6
71 | #define __AH_WEAK __weak
72 | #define AH_WEAK weak
73 | #else
74 | #define __AH_WEAK __unsafe_unretained
75 | #define AH_WEAK unsafe_unretained
76 | #endif
77 | #endif
78 | #endif
79 | 
80 | #ifndef SF_OBSERVERS_LOG_ORIGINAL_METHODS
81 | #define SF_OBSERVERS_LOG_ORIGINAL_METHODS 0
82 | #endif
83 | 
84 | #ifndef SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
85 | #define SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS 1
86 | #endif
87 | 
88 | #import "NSObject+SFExecuteOnDealloc.h"
89 | #import "NSNotificationCenter+SFObservers.h"
90 | #import "NSObject+SFObservers.h"
91 | 


--------------------------------------------------------------------------------
/SFObservers/NSObject+SFObservers.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  Created by merowing2 on 3/25/12.
  3 | //
  4 | //
  5 | //
  6 | #import <objc/runtime.h>
  7 | #import <objc/message.h>
  8 | #import "NSObject+SFObservers.h"
  9 | 
 10 | static NSString const *NSObjectKVOSFObserversArrayKey = @"NSObjectKVOSFObserversArrayKey";
 11 | static NSString const *NSObjectKVOSFObserversAllowMethodForwardingKey = @"NSObjectKVOSFObserversAllowMethodForwardingKey";
 12 | 
 13 | static NSString *NSObjectKVOSFObserversAddSelector = @"sf_original_addObserver:forKeyPath:options:context:";
 14 | static NSString *NSObjectKVOSFObserversRemoveSelector = @"sf_original_removeObserver:forKeyPath:";
 15 | static NSString *NSObjectKVOSFObserversRemoveSpecificSelector = @"sf_original_removeObserver:forKeyPath:context:";
 16 | 
 17 | @interface __SFObserversKVOObserverInfo : NSObject
 18 | @property(nonatomic, copy) NSString *keyPath;
 19 | @property(nonatomic, assign) void *context;
 20 | @property(nonatomic, assign) void *blockKey;
 21 | @end
 22 | 
 23 | @implementation __SFObserversKVOObserverInfo
 24 | @synthesize keyPath;
 25 | @synthesize context;
 26 | @synthesize blockKey;
 27 | 
 28 | - (void)dealloc
 29 | {
 30 |   AH_RELEASE(keyPath);
 31 |   AH_SUPER_DEALLOC;
 32 | }
 33 | 
 34 | @end
 35 | 
 36 | 
 37 | @implementation NSObject (SFObservers)
 38 | 
 39 | + (void)sf_swapSelector:(SEL)aOriginalSelector withSelector:(SEL)aSwappedSelector
 40 | {
 41 |   Method originalMethod = class_getInstanceMethod(self, aOriginalSelector);
 42 |   Method swappedMethod = class_getInstanceMethod(self, aSwappedSelector);
 43 | 
 44 |   SEL newSelector = NSSelectorFromString([NSString stringWithFormat:@"sf_original_%@", NSStringFromSelector(aOriginalSelector)]);
 45 |   class_addMethod([self class], newSelector, method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));
 46 |   class_replaceMethod([self class], aOriginalSelector, method_getImplementation(swappedMethod), method_getTypeEncoding(swappedMethod));
 47 | }
 48 | 
 49 | + (void)load
 50 | {
 51 |   //! swap methods
 52 |   static dispatch_once_t onceToken;
 53 |   dispatch_once(&onceToken, ^{
 54 |     @autoreleasepool {
 55 |       [NSObject sf_swapSelector:@selector(addObserver:forKeyPath:options:context:) withSelector:@selector(sf_addObserver:forKeyPath:options:context:)];
 56 |       [NSObject sf_swapSelector:@selector(removeObserver:forKeyPath:) withSelector:@selector(sf_removeObserver:forKeyPath:)];
 57 |       [NSObject sf_swapSelector:@selector(removeObserver:forKeyPath:context:) withSelector:@selector(sf_removeObserver:forKeyPath:context:)];
 58 |     }
 59 |   });
 60 | }
 61 | 
 62 | - (BOOL)allowMethodForwarding
 63 | {
 64 |   NSNumber *state = objc_getAssociatedObject(self, AH_BRIDGE(NSObjectKVOSFObserversAllowMethodForwardingKey));
 65 |   return [state boolValue];
 66 | }
 67 | 
 68 | - (void)setAllowMethodForwarding:(BOOL)allowForwarding
 69 | {
 70 |   objc_setAssociatedObject(self, AH_BRIDGE(NSObjectKVOSFObserversAllowMethodForwardingKey), [NSNumber numberWithBool:allowForwarding], OBJC_ASSOCIATION_RETAIN);
 71 | }
 72 | 
 73 | - (void)sf_addObserver:(id)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options context:(void *)aContext
 74 | {
 75 |   //! store info into our observer structure
 76 |   NSMutableDictionary *registeredKeyPaths = (NSMutableDictionary *)objc_getAssociatedObject(observer, AH_BRIDGE(NSObjectKVOSFObserversArrayKey));
 77 |   if (!registeredKeyPaths) {
 78 |     registeredKeyPaths = [NSMutableDictionary dictionary];
 79 |     objc_setAssociatedObject(observer, AH_BRIDGE(NSObjectKVOSFObserversArrayKey), registeredKeyPaths, OBJC_ASSOCIATION_RETAIN);
 80 |   }
 81 | 
 82 |   NSMutableArray *observerInfos = [registeredKeyPaths objectForKey:keyPath];
 83 |   if (!observerInfos) {
 84 |     observerInfos = [NSMutableArray array];
 85 |     [registeredKeyPaths setObject:observerInfos forKey:keyPath];
 86 |   }
 87 |   __block __SFObserversKVOObserverInfo *observerInfo = nil;
 88 | 
 89 | #if !SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
 90 |   //! don't allow to add many times the same observer
 91 |   [observerInfos enumerateObjectsUsingBlock:^void(id obj, NSUInteger idx, BOOL *stop) {
 92 |     __SFObserversKVOObserverInfo *info = obj;
 93 |     if ([info.keyPath isEqualToString:keyPath] && info.context == aContext) {
 94 |       observerInfo = info;
 95 |       *stop = YES;
 96 |     }
 97 |   }];
 98 | 
 99 |   if (!observerInfo) {
100 |     observerInfo = [[__SFObserversKVOObserverInfo alloc] init];
101 |     [observerInfos addObject:observerInfo];
102 |     AH_RELEASE(observerInfo);
103 |   } else {
104 |     //! don't register twice so skip this
105 |     NSAssert(NO, @"You shouldn't register twice for same keyPath, context");
106 |     return;
107 |   }
108 | #else
109 |   observerInfo = [[__SFObserversKVOObserverInfo alloc] init];
110 |   [observerInfos addObject:observerInfo];
111 |   AH_RELEASE(observerInfo);
112 | #endif
113 | 
114 |   observerInfo.keyPath = keyPath;
115 |   observerInfo.context = aContext;
116 | 
117 |   //! Add auto remove when observer is going to be deallocated
118 |   __AH_WEAK __block id weakSelf = self;
119 | 
120 |   void *key = [observer performBlockOnDealloc:^(id obj){
121 |     id strongObserver = obj;
122 |     NSInteger numberOfRemovals = 0;
123 |     if ((numberOfRemovals = [weakSelf sf_removeObserver:strongObserver forKeyPath:keyPath context:aContext registeredKeyPaths:registeredKeyPaths])) {
124 |       for (NSInteger i = 0; i < numberOfRemovals; ++i) {
125 |         [weakSelf setAllowMethodForwarding:YES];
126 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
127 |         NSLog(@"Calling original method %@ with parameters %@ %@ %p", NSObjectKVOSFObserversRemoveSpecificSelector, strongObserver, keyPath, aContext);
128 | #endif
129 |         objc_msgSend(weakSelf, NSSelectorFromString(NSObjectKVOSFObserversRemoveSpecificSelector), strongObserver, keyPath, aContext);
130 |         [weakSelf setAllowMethodForwarding:NO];
131 |       }
132 |     }
133 |   }];
134 | 
135 |   observerInfo.blockKey = key;
136 | 
137 |   //! call originalMethod
138 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
139 |   NSLog(@"Calling original method %@ with parameters %@ %@ %d %p", NSObjectKVOSFObserversAddSelector, observer, keyPath, options, aContext);
140 | #endif
141 |   objc_msgSend(self, NSSelectorFromString(NSObjectKVOSFObserversAddSelector), observer, keyPath, options, aContext);
142 | }
143 | 
144 | 
145 | - (void)sf_removeObserver:(id)observer forKeyPath:(NSString *)keyPath
146 | {
147 |   if ([self allowMethodForwarding]) {
148 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
149 |     NSLog(@"Calling original method %@ with parameters %@ %@", NSObjectKVOSFObserversRemoveSelector, observer, keyPath);
150 | #endif
151 |     objc_msgSend(self, NSSelectorFromString(NSObjectKVOSFObserversRemoveSelector), observer, keyPath);
152 |     return;
153 |   }
154 | 
155 |   NSMutableDictionary *registeredKeyPaths = (NSMutableDictionary *)objc_getAssociatedObject(observer, AH_BRIDGE(NSObjectKVOSFObserversArrayKey));
156 |   NSInteger numberOfRemovals = 0;
157 |   if ((numberOfRemovals = [self sf_removeObserver:observer forKeyPath:keyPath context:nil registeredKeyPaths:registeredKeyPaths])) {
158 |     for (NSInteger i = 0; i < numberOfRemovals; ++i) {
159 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
160 |       NSLog(@"Calling original method %@ with parameters %@ %@", NSObjectKVOSFObserversRemoveSelector, observer, keyPath);
161 | #endif
162 |       [self setAllowMethodForwarding:YES];
163 |       objc_msgSend(self, NSSelectorFromString(NSObjectKVOSFObserversRemoveSelector), observer, keyPath);
164 |       [self setAllowMethodForwarding:NO];
165 |     }
166 |   }
167 | }
168 | 
169 | - (void)sf_removeObserver:(id)observer forKeyPath:(NSString *)keyPath context:(void *)context
170 | {
171 |   if ([self allowMethodForwarding]) {
172 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
173 |     NSLog(@"Calling original method %@ with parameters %@ %@ %p", NSObjectKVOSFObserversRemoveSpecificSelector, observer, keyPath, context);
174 | #endif
175 |     objc_msgSend(self, NSSelectorFromString(NSObjectKVOSFObserversRemoveSpecificSelector), observer, keyPath, context);
176 |     return;
177 |   }
178 | 
179 |   NSMutableDictionary *registeredKeyPaths = (NSMutableDictionary *)objc_getAssociatedObject(observer, AH_BRIDGE(NSObjectKVOSFObserversArrayKey));
180 |   NSInteger numberOfRemovals = 0;
181 |   if ([self allowMethodForwarding] || (numberOfRemovals = [self sf_removeObserver:observer forKeyPath:keyPath context:context registeredKeyPaths:registeredKeyPaths])) {
182 |     for (NSInteger i = 0; i < numberOfRemovals; ++i) {
183 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
184 |       NSLog(@"Calling original method %@ with parameters %@ %@ %p", NSObjectKVOSFObserversRemoveSpecificSelector, observer, keyPath, context);
185 | #endif
186 |       [self setAllowMethodForwarding:YES];
187 |       objc_msgSend(self, NSSelectorFromString(NSObjectKVOSFObserversRemoveSpecificSelector), observer, keyPath, context);
188 |       [self setAllowMethodForwarding:NO];
189 |     }
190 |   }
191 | 
192 | }
193 | 
194 | - (NSUInteger)sf_removeObserver:(id)observer
195 |                      forKeyPath:(NSString *)keyPath
196 |                         context:(void *)context
197 |              registeredKeyPaths:(NSMutableDictionary *)registeredKeyPaths
198 | {
199 |   __block NSUInteger result = 0;
200 |   if ([keyPath length] <= 0 && context == nil) {
201 |     //! don't need to execute block on dealloc so cleanup
202 |     [registeredKeyPaths enumerateKeysAndObjectsUsingBlock:^void(id key, id obj, BOOL *stop) {
203 |       NSMutableArray *observerInfos = obj;
204 |       [observerInfos enumerateObjectsUsingBlock:^void(id innerObj, NSUInteger idx, BOOL *innerStop) {
205 |         __SFObserversKVOObserverInfo *info = innerObj;
206 |         [observer cancelDeallocBlockWithKey:info.blockKey];
207 |       }];
208 |     }];
209 |     [registeredKeyPaths removeAllObjects];
210 |     return 1;
211 |   } else {
212 |     [registeredKeyPaths enumerateKeysAndObjectsUsingBlock:^void(id key, id obj, BOOL *stop) {
213 |       NSMutableArray *observerInfos = obj;
214 |       NSMutableArray *objectsToRemove = [NSMutableArray array];
215 |       [observerInfos enumerateObjectsUsingBlock:^void(id innerObj, NSUInteger idx, BOOL *innerStop) {
216 |         __SFObserversKVOObserverInfo *info = innerObj;
217 | 
218 |         if ((!keyPath || [keyPath isEqualToString:info.keyPath]) && (context == info.context)) {
219 |           //! remove this info
220 |           [objectsToRemove addObject:innerObj];
221 | 
222 |           //! cancel dealloc block
223 |           [observer cancelDeallocBlockWithKey:info.blockKey];
224 |         }
225 |       }];
226 | 
227 |       //! remove all collected objects
228 |       if ([objectsToRemove count] > 0) {
229 |         //! multiple registrations should match unregistrations
230 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
231 |         result = [objectsToRemove count];
232 | #else
233 |         result  = 1;
234 | #endif
235 |         [observerInfos removeObjectsInArray:objectsToRemove];
236 |       }
237 |     }];
238 |   }
239 | 
240 |   return result;
241 | }
242 | @end
243 | 


--------------------------------------------------------------------------------
/SFObservers/NSNotificationCenter+SFObservers.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  Created by krzysztof.zablocki on 3/23/12.
  3 | //
  4 | //
  5 | //
  6 | 
  7 | #import "NSNotificationCenter+SFObservers.h"
  8 | #import <objc/runtime.h>
  9 | #import <objc/message.h>
 10 | 
 11 | static NSString const *NSNotificationCenterSFObserversArrayKey = @"NSNotificationCenterSFObserversArrayKey";
 12 | static NSString const *NSNotificationCenterSFObserversAllowMethodForwardingKey = @"NSNotificationCenterSFObserversAllowMethodForwardingKey";
 13 | 
 14 | static NSString *NSNotificationCenterSFObserversAddSelector = @"sf_original_addObserver:selector:name:object:";
 15 | static NSString *NSNotificationCenterSFObserversRemoveSelector = @"sf_original_removeObserver:";
 16 | static NSString *NSNotificationCenterSFObserversRemoveSpecificSelector = @"sf_original_removeObserver:name:object:";
 17 | 
 18 | @interface __SFObserversNotificationObserverInfo : NSObject
 19 | @property(nonatomic, copy) NSString *name;
 20 | @property(nonatomic, AH_WEAK) id object;
 21 | @property(nonatomic, assign) void *blockKey;
 22 | @end
 23 | 
 24 | @implementation __SFObserversNotificationObserverInfo
 25 | @synthesize name;
 26 | @synthesize object;
 27 | @synthesize blockKey;
 28 | 
 29 | 
 30 | - (void)dealloc
 31 | {
 32 |   AH_RELEASE(name);
 33 |   AH_SUPER_DEALLOC;
 34 | }
 35 | 
 36 | @end
 37 | 
 38 | @implementation NSNotificationCenter (SFObservers)
 39 | 
 40 | + (void)sf_swapSelector:(SEL)aOriginalSelector withSelector:(SEL)aSwappedSelector
 41 | {
 42 |   Method originalMethod = class_getInstanceMethod(self, aOriginalSelector);
 43 |   Method swappedMethod = class_getInstanceMethod(self, aSwappedSelector);
 44 | 
 45 |   SEL newSelector = NSSelectorFromString([NSString stringWithFormat:@"sf_original_%@", NSStringFromSelector(aOriginalSelector)]);
 46 |   class_addMethod([self class], newSelector, method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));
 47 |   class_replaceMethod([self class], aOriginalSelector, method_getImplementation(swappedMethod), method_getTypeEncoding(swappedMethod));
 48 | }
 49 | 
 50 | + (void)load
 51 | {
 52 |   //! swap methods
 53 |   static dispatch_once_t onceToken;
 54 |   dispatch_once(&onceToken, ^{
 55 |     @autoreleasepool {
 56 |       [NSNotificationCenter sf_swapSelector:@selector(addObserver:selector:name:object:) withSelector:@selector(sf_addObserver:selector:name:object:)];
 57 |       [NSNotificationCenter sf_swapSelector:@selector(removeObserver:) withSelector:@selector(sf_removeObserver:)];
 58 |       [NSNotificationCenter sf_swapSelector:@selector(removeObserver:name:object:) withSelector:@selector(sf_removeObserver:name:object:)];
 59 |     }
 60 |   });
 61 | }
 62 | 
 63 | - (BOOL)allowMethodForwarding
 64 | {
 65 |   NSNumber *state = objc_getAssociatedObject(self, AH_BRIDGE(NSNotificationCenterSFObserversAllowMethodForwardingKey));
 66 |   return [state boolValue];
 67 | }
 68 | 
 69 | - (void)setAllowMethodForwarding:(BOOL)allowForwarding
 70 | {
 71 |   objc_setAssociatedObject(self, AH_BRIDGE(NSNotificationCenterSFObserversAllowMethodForwardingKey), [NSNumber numberWithBool:allowForwarding], OBJC_ASSOCIATION_RETAIN);
 72 | }
 73 | 
 74 | - (void)sf_addObserver:(id)observer selector:(SEL)aSelector name:(NSString *)aName object:(id)anObject
 75 | {
 76 |   //! store info into our observer structure
 77 |   NSMutableDictionary *registeredNotifications = (NSMutableDictionary *)objc_getAssociatedObject(observer, AH_BRIDGE(NSNotificationCenterSFObserversArrayKey));
 78 |   if (!registeredNotifications) {
 79 |     registeredNotifications = [NSMutableDictionary dictionary];
 80 |     objc_setAssociatedObject(observer, AH_BRIDGE(NSNotificationCenterSFObserversArrayKey), registeredNotifications, OBJC_ASSOCIATION_RETAIN);
 81 |   }
 82 | 
 83 |   NSMutableArray *observerInfos = [registeredNotifications objectForKey:NSStringFromSelector(aSelector)];
 84 |   if (!observerInfos) {
 85 |     observerInfos = [NSMutableArray array];
 86 |     [registeredNotifications setObject:observerInfos forKey:NSStringFromSelector(aSelector)];
 87 |   }
 88 |   __block __SFObserversNotificationObserverInfo *observerInfo = nil;
 89 | 
 90 | #if !SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
 91 |   //! don't allow to add many times the same observer
 92 |   [observerInfos enumerateObjectsUsingBlock:^void(id obj, NSUInteger idx, BOOL *stop) {
 93 |     __SFObserversNotificationObserverInfo *info = obj;
 94 |     if ([info.name isEqualToString:aName] && info.object == anObject) {
 95 |       observerInfo = info;
 96 |       *stop = YES;
 97 |     }
 98 |   }];
 99 | 
100 |   if (!observerInfo) {
101 |     observerInfo = [[__SFObserversNotificationObserverInfo alloc] init];
102 |     [observerInfos addObject:observerInfo];
103 |     AH_RELEASE(observerInfo);
104 |   } else {
105 |     //! don't register twice so skip this
106 |     NSAssert(NO, @"You shouldn't register twice for same notification, selector, name, object");
107 |     return;
108 |   }
109 | #else
110 |   observerInfo = [[__SFObserversNotificationObserverInfo alloc] init];
111 |   [observerInfos addObject:observerInfo];
112 |   AH_RELEASE(observerInfo);
113 | #endif
114 | 
115 |   observerInfo.name = aName;
116 |   observerInfo.object = anObject;
117 | 
118 |   //! Add auto remove when observer is going to be deallocated
119 |   __AH_WEAK __block id weakSelf = self;
120 |   __AH_WEAK __block id weakObject = anObject;
121 | 
122 |   void *key = [observer performBlockOnDealloc:^(id obj){
123 |     id strongObserver = obj;
124 |     NSInteger numberOfRemovals = 0;
125 |     if ((numberOfRemovals = [weakSelf sf_removeObserver:strongObserver name:aName object:weakObject registeredNotifications:registeredNotifications])) {
126 |       for (NSInteger i = 0; i < numberOfRemovals; ++i) {
127 |         [weakSelf setAllowMethodForwarding:YES];
128 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
129 |         NSLog(@"Calling original method %@ with parameters %@ %@ %@", NSNotificationCenterSFObserversRemoveSpecificSelector, strongObserver, aName, weakObject);
130 | #endif
131 |         objc_msgSend(weakSelf, NSSelectorFromString(NSNotificationCenterSFObserversRemoveSpecificSelector), strongObserver, aName, weakObject);
132 |         [weakSelf setAllowMethodForwarding:NO];
133 |       }
134 |     }
135 |   }];
136 | 
137 |   //! remember the block key
138 |   observerInfo.blockKey = key;
139 | 
140 |   //! call originalMethod
141 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
142 |   NSLog(@"Calling original method %@ with parameters %@ %@ %@ %@", NSNotificationCenterSFObserversAddSelector, observer, NSStringFromSelector(aSelector), aName, anObject);
143 | #endif
144 |   objc_msgSend(self, NSSelectorFromString(NSNotificationCenterSFObserversAddSelector), observer, aSelector, aName, anObject);
145 | }
146 | 
147 | 
148 | - (void)sf_removeObserver:(id)observer
149 | {
150 |   if ([self allowMethodForwarding]) {
151 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
152 |     NSLog(@"Calling original method %@ with parameters %@", NSNotificationCenterSFObserversRemoveSelector, observer);
153 | #endif
154 |     objc_msgSend(self, NSSelectorFromString(NSNotificationCenterSFObserversRemoveSelector), observer);
155 |     return;
156 |   }
157 | 
158 |   NSMutableDictionary *registeredNotifications = (NSMutableDictionary *)objc_getAssociatedObject(observer, AH_BRIDGE(NSNotificationCenterSFObserversArrayKey));
159 |   NSInteger numberOfRemovals = 0;
160 |   if ((numberOfRemovals = [self sf_removeObserver:observer name:nil object:nil registeredNotifications:registeredNotifications])) {
161 |     for (NSInteger i = 0; i < numberOfRemovals; ++i) {
162 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
163 |       NSLog(@"Calling original method %@ with parameters %@", NSNotificationCenterSFObserversRemoveSelector, observer);
164 | #endif
165 |       [self setAllowMethodForwarding:YES];
166 |       objc_msgSend(self, NSSelectorFromString(NSNotificationCenterSFObserversRemoveSelector), observer);
167 |       [self setAllowMethodForwarding:NO];
168 |     }
169 |   }
170 | 
171 | }
172 | 
173 | - (void)sf_removeObserver:(id)observer name:(NSString *)aName object:(id)anObject
174 | {
175 |   if ([self allowMethodForwarding]) {
176 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
177 |     NSLog(@"Calling original method %@ with parameters %@ %@ %@", NSNotificationCenterSFObserversRemoveSpecificSelector, observer, aName, anObject);
178 | #endif
179 |     objc_msgSend(self, NSSelectorFromString(NSNotificationCenterSFObserversRemoveSpecificSelector), observer, aName, anObject);
180 |     return;
181 |   }
182 | 
183 |   NSMutableDictionary *registeredNotifications = (NSMutableDictionary *)objc_getAssociatedObject(observer, AH_BRIDGE(NSNotificationCenterSFObserversArrayKey));
184 |   NSInteger numberOfRemovals = 0;
185 |   if ([self allowMethodForwarding] || (numberOfRemovals = [self sf_removeObserver:observer name:aName object:anObject registeredNotifications:registeredNotifications])) {
186 |     [self setAllowMethodForwarding:YES];
187 | #if SF_OBSERVERS_LOG_ORIGINAL_METHODS
188 |     NSLog(@"Calling original method %@ with parameters %@ %@ %@", NSNotificationCenterSFObserversRemoveSpecificSelector, observer, aName, anObject);
189 | #endif
190 |     objc_msgSend(self, NSSelectorFromString(NSNotificationCenterSFObserversRemoveSpecificSelector), observer, aName, anObject);
191 |     [self setAllowMethodForwarding:NO];
192 |   }
193 | 
194 | }
195 | 
196 | - (NSUInteger)sf_removeObserver:(id)observer name:(NSString *)aName object:(id)anObject registeredNotifications:(NSMutableDictionary *)registeredNotifications
197 | {
198 |   __block NSUInteger result = 0;
199 | 
200 |   if (aName == nil && anObject == nil) {
201 |     //! don't need to execute block on dealloc so cleanup
202 |     [registeredNotifications enumerateKeysAndObjectsUsingBlock:^void(id key, id obj, BOOL *stop) {
203 |       NSMutableArray *observerInfos = obj;
204 |       [observerInfos enumerateObjectsUsingBlock:^void(id innerObj, NSUInteger idx, BOOL *innerStop) {
205 |         __SFObserversNotificationObserverInfo *info = innerObj;
206 |         [observer cancelDeallocBlockWithKey:info.blockKey];
207 |       }];
208 |     }];
209 |     [registeredNotifications removeAllObjects];
210 | 
211 |     return 1;
212 |   } else {
213 |     [registeredNotifications enumerateKeysAndObjectsUsingBlock:^void(id key, id obj, BOOL *stop) {
214 |       NSMutableArray *observerInfos = obj;
215 |       NSMutableArray *objectsToRemove = [NSMutableArray array];
216 |       [observerInfos enumerateObjectsUsingBlock:^void(id innerObj, NSUInteger idx, BOOL *innerStop) {
217 |         __SFObserversNotificationObserverInfo *info = innerObj;
218 | 
219 |         if ((!aName || [aName isEqualToString:info.name]) && (!anObject || (anObject == info.object))) {
220 |           //! remove this info
221 |           [objectsToRemove addObject:innerObj];
222 | 
223 |           //! cancel dealloc blocks
224 |           [observer cancelDeallocBlockWithKey:info.blockKey];
225 |         }
226 |       }];
227 | 
228 |       //! remove all collected objects
229 |       if ([objectsToRemove count] > 0) {
230 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
231 |         result = [objectsToRemove count];
232 | #else
233 |         result = 1;
234 |         #endif
235 |         [observerInfos removeObjectsInArray:objectsToRemove];
236 |       }
237 |     }];
238 |   }
239 | 
240 |   return result;
241 | }
242 | @end
243 | 


--------------------------------------------------------------------------------
/Sample Project/Sample ProjectTests/Sample_ProjectTests.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  Sample_ProjectTests.m
  3 | //  Sample ProjectTests
  4 | //
  5 | //  Created by Krzysztof Zablocki on 3/26/12.
  6 | //  Copyright (c) 2012 private. All rights reserved.
  7 | //
  8 | 
  9 | #import "Sample_ProjectTests.h"
 10 | #import "SFObservers.h"
 11 | 
 12 | @implementation Sample_ProjectTests {
 13 |   NSObject *observedObject;
 14 |   NSObject *observer;
 15 | }
 16 | 
 17 | - (void)setUp
 18 | {
 19 |   [super setUp];
 20 | 
 21 |   observedObject = [[NSObject alloc] init];
 22 |   observer = [[NSObject alloc] init];
 23 | }
 24 | 
 25 | - (void)tearDown
 26 | {
 27 |   AH_RELEASE(observedObject);
 28 |   AH_RELEASE(observer);
 29 |   [super tearDown];
 30 | }
 31 | 
 32 | - (void)testKVOAutoRemoval
 33 | {
 34 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:nil];
 35 |   AH_RELEASE(observer), observer = nil;
 36 |   AH_RELEASE(observedObject), observedObject = nil;
 37 | }
 38 | 
 39 | - (void)testKVOAutoRemovalWithContext
 40 | {
 41 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 42 |   AH_RELEASE(observer), observer = nil ;
 43 |   AH_RELEASE(observedObject), observedObject = nil;
 44 | }
 45 | 
 46 | - (void)testKVOAutoRemovalWithIntegerContext
 47 | {
 48 |   static NSInteger SomeIntegerContext;
 49 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:&SomeIntegerContext];
 50 |   AH_RELEASE(observer), observer = nil;
 51 |   AH_RELEASE(observedObject), observedObject = nil;
 52 | }
 53 | 
 54 | - (void)testKVOAutoRemovalMultiple
 55 | {
 56 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 57 |   [observedObject addObserver:observer forKeyPath:@"class" options:NSKeyValueObservingOptionNew context:nil];
 58 |   [observedObject addObserver:observer forKeyPath:@"whatever" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 59 |   AH_RELEASE(observer), observer = nil;
 60 |   AH_RELEASE(observedObject), observedObject = nil;
 61 | }
 62 | 
 63 | - (void)testKVOOverRemoval
 64 | {
 65 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 66 |   [observedObject addObserver:observer forKeyPath:@"class" options:NSKeyValueObservingOptionNew context:nil];
 67 |   [observedObject addObserver:observer forKeyPath:@"whatever" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 68 | 
 69 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
 70 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
 71 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
 72 | 
 73 |   AH_RELEASE(observer), observer = nil;
 74 |   AH_RELEASE(observedObject), observedObject = nil;
 75 | }
 76 | 
 77 | - (void)testKVOOverObserving
 78 | {
 79 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
 80 | 
 81 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 82 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 83 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 84 | 
 85 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
 86 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
 87 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
 88 | 
 89 |   AH_RELEASE(observer), observer = nil;
 90 |   AH_RELEASE(observedObject), observedObject = nil;
 91 | #endif
 92 | }
 93 | 
 94 | - (void)testKVOOverObserving2
 95 | {
 96 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
 97 | 
 98 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
 99 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
100 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
101 | 
102 |   AH_RELEASE(observer), observer = nil;
103 |   AH_RELEASE(observedObject), observedObject = nil;
104 | #endif
105 | }
106 | 
107 | - (void)testKVOOverObserving3
108 | {
109 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
110 | 
111 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
112 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
113 |   [observedObject addObserver:observer forKeyPath:@"description" options:NSKeyValueObservingOptionNew context:AH_BRIDGE(self)];
114 | 
115 |   [observedObject removeObserver:observer forKeyPath:@"description" context:nil];
116 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
117 |   [observedObject removeObserver:observer forKeyPath:@"description" context:AH_BRIDGE(self)];
118 | 
119 |   AH_RELEASE(observer), observer = nil;
120 |   AH_RELEASE(observedObject), observedObject = nil;
121 | #endif
122 | }
123 | 
124 | 
125 | - (void)testKVONotBreakingArray
126 | {
127 |   NSArray *array = [NSArray array];
128 |   STAssertThrows([array addObserver:self forKeyPath:@"count" options:NSKeyValueObservingOptionNew context:nil], @"Array aren't observable, should raise exception");
129 | }
130 | 
131 | - (void)testNotificationAutoRemoval
132 | {
133 |   @try {
134 |     static NSString *fakeNotification = @"FakeNotification";
135 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
136 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector2) name:fakeNotification object:nil];
137 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector4) name:nil object:self];
138 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector3) name:nil object:nil];
139 | 
140 |     AH_RELEASE(observer), observer = nil;
141 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:self];
142 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:nil];
143 |     [[NSNotificationCenter defaultCenter] postNotificationName:@"OtherNotification" object:self];
144 |     AH_RELEASE(observedObject), observedObject = nil;
145 |   }
146 |   @catch (NSException *exception1) {
147 |     STFail(@"Exception %@", exception1);
148 |   }
149 | }
150 | 
151 | - (void)testNotificationOverRemoval
152 | {
153 |   @try {
154 |     static NSString *fakeNotification = @"FakeNotification";
155 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
156 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector2) name:fakeNotification object:nil];
157 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector4) name:nil object:self];
158 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector3) name:nil object:nil];
159 | 
160 |     [[NSNotificationCenter defaultCenter] removeObserver:observer name:fakeNotification object:self];
161 |     [[NSNotificationCenter defaultCenter] removeObserver:observer name:fakeNotification object:self];
162 |     [[NSNotificationCenter defaultCenter] removeObserver:observer name:fakeNotification object:self];
163 | 
164 |     AH_RELEASE(observer), observer = nil;
165 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:self];
166 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:nil];
167 |     [[NSNotificationCenter defaultCenter] postNotificationName:@"OtherNotification" object:self];
168 |     AH_RELEASE(observedObject), observedObject = nil;
169 |   }
170 |   @catch (NSException *exception1) {
171 |     STFail(@"Exception %@", exception1);
172 |   }
173 | }
174 | 
175 | - (void)testNotificationRemoval
176 | {
177 |   @try {
178 |     static NSString *fakeNotification = @"FakeNotification";
179 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
180 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector2) name:fakeNotification object:nil];
181 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector3) name:nil object:nil];
182 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector4) name:nil object:self];
183 | 
184 |     [[NSNotificationCenter defaultCenter] removeObserver:observer];
185 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:self];
186 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:nil];
187 |     [[NSNotificationCenter defaultCenter] postNotificationName:@"OtherNotification" object:self];
188 |     AH_RELEASE(observer), observer = nil;
189 |     AH_RELEASE(observedObject), observedObject = nil;
190 |   }
191 |   @catch (NSException *exception1) {
192 |     STFail(@"Exception %@", exception1);
193 |   }
194 | }
195 | 
196 | - (void)testNotificationOverObserving
197 | {
198 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
199 | 
200 |   @try {
201 |     static NSString *fakeNotification = @"FakeNotification";
202 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
203 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
204 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:nil object:nil];
205 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:nil object:nil];
206 | 
207 |     [[NSNotificationCenter defaultCenter] removeObserver:observer];
208 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:self];
209 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:nil];
210 |     [[NSNotificationCenter defaultCenter] postNotificationName:@"OtherNotification" object:self];
211 |     AH_RELEASE(observer), observer = nil;
212 |     AH_RELEASE(observedObject), observedObject = nil;
213 |   }
214 |   @catch (NSException *exception1) {
215 |     STFail(@"Exception %@", exception1);
216 |   }
217 | #endif
218 | }
219 | 
220 | - (void)testNotificationOverObserving2
221 | {
222 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
223 | 
224 |   @try {
225 |     static NSString *fakeNotification = @"FakeNotification";
226 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
227 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
228 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:nil object:nil];
229 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:nil object:nil];
230 | 
231 |     AH_RELEASE(observer), observer = nil;
232 |     AH_RELEASE(observedObject), observedObject = nil;
233 | 
234 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:self];
235 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:nil];
236 |     [[NSNotificationCenter defaultCenter] postNotificationName:@"OtherNotification" object:self];
237 |   }
238 |   @catch (NSException *exception1) {
239 |     STFail(@"Exception %@", exception1);
240 |   }
241 | #endif
242 | }
243 | 
244 | - (void)testNotificationOverObserving3
245 | {
246 | #if SF_OBSERVERS_ALLOW_MULTIPLE_REGISTRATIONS
247 | 
248 |   @try {
249 |     static NSString *fakeNotification = @"FakeNotification";
250 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
251 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:fakeNotification object:self];
252 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:nil object:nil];
253 |     [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(unsupportedSelector) name:nil object:nil];
254 | 
255 |     [[NSNotificationCenter defaultCenter] removeObserver:observer name:nil object:nil];
256 |     [[NSNotificationCenter defaultCenter] removeObserver:observer name:fakeNotification object:nil];
257 |     [[NSNotificationCenter defaultCenter] removeObserver:observer name:fakeNotification object:self];
258 | 
259 |     AH_RELEASE(observer), observer = nil;
260 |     AH_RELEASE(observedObject), observedObject = nil;
261 | 
262 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:self];
263 |     [[NSNotificationCenter defaultCenter] postNotificationName:fakeNotification object:nil];
264 |     [[NSNotificationCenter defaultCenter] postNotificationName:@"OtherNotification" object:self];
265 |   }
266 |   @catch (NSException *exception1) {
267 |     STFail(@"Exception %@", exception1);
268 |   }
269 | #endif
270 | }
271 | @end
272 | 


--------------------------------------------------------------------------------
/Sample Project/Sample Project.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
  1 | // !$*UTF8*$!
  2 | {
  3 | 	archiveVersion = 1;
  4 | 	classes = {
  5 | 	};
  6 | 	objectVersion = 46;
  7 | 	objects = {
  8 | 
  9 | /* Begin PBXBuildFile section */
 10 | 		D10828B91520FAD3008B8431 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D10828B81520FAD3008B8431 /* UIKit.framework */; };
 11 | 		D10828BB1520FAD3008B8431 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D10828BA1520FAD3008B8431 /* Foundation.framework */; };
 12 | 		D10828BD1520FAD3008B8431 /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D10828BC1520FAD3008B8431 /* CoreGraphics.framework */; };
 13 | 		D10828C31520FAD3008B8431 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = D10828C11520FAD3008B8431 /* InfoPlist.strings */; };
 14 | 		D10828C51520FAD3008B8431 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = D10828C41520FAD3008B8431 /* main.m */; };
 15 | 		D10828C91520FAD3008B8431 /* SFAppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = D10828C81520FAD3008B8431 /* SFAppDelegate.m */; };
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 19 | 		D10828DB1520FAD4008B8431 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = D10828D91520FAD4008B8431 /* InfoPlist.strings */; };
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 23 | 		D10828F21520FB32008B8431 /* NSObject+SFExecuteOnDealloc.m in Sources */ = {isa = PBXBuildFile; fileRef = D10828EE1520FB32008B8431 /* NSObject+SFExecuteOnDealloc.m */; };
 24 | /* End PBXBuildFile section */
 25 | 
 26 | /* Begin PBXContainerItemProxy section */
 27 | 		D10828D41520FAD4008B8431 /* PBXContainerItemProxy */ = {
 28 | 			isa = PBXContainerItemProxy;
 29 | 			containerPortal = D10828AB1520FAD3008B8431 /* Project object */;
 30 | 			proxyType = 1;
 31 | 			remoteGlobalIDString = D10828B31520FAD3008B8431;
 32 | 			remoteInfo = "Sample Project";
 33 | 		};
 34 | /* End PBXContainerItemProxy section */
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163 | 				D10828EA1520FB32008B8431 /* NSObject+SFObservers.h */,
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350 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
351 | 				GCC_WARN_UNUSED_VARIABLE = YES;
352 | 				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
353 | 				SDKROOT = iphoneos;
354 | 				TARGETED_DEVICE_FAMILY = "1,2";
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363 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
364 | 				COPY_PHASE_STRIP = YES;
365 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
366 | 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
367 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
368 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
369 | 				GCC_WARN_UNUSED_VARIABLE = YES;
370 | 				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
371 | 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
372 | 				SDKROOT = iphoneos;
373 | 				TARGETED_DEVICE_FAMILY = "1,2";
374 | 				VALIDATE_PRODUCT = YES;
375 | 			};
376 | 			name = Release;
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384 | 				PRODUCT_NAME = "$(TARGET_NAME)";
385 | 				WRAPPER_EXTENSION = app;
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396 | 				WRAPPER_EXTENSION = app;
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406 | 					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
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408 | 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
409 | 				GCC_PREFIX_HEADER = "Sample Project/Sample Project-Prefix.pch";
410 | 				INFOPLIST_FILE = "Sample ProjectTests/Sample ProjectTests-Info.plist";
411 | 				PRODUCT_NAME = "$(TARGET_NAME)";
412 | 				TEST_HOST = "$(BUNDLE_LOADER)";
413 | 				WRAPPER_EXTENSION = octest;
414 | 			};
415 | 			name = Debug;
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426 | 				GCC_PREFIX_HEADER = "Sample Project/Sample Project-Prefix.pch";
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429 | 				TEST_HOST = "$(BUNDLE_LOADER)";
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465 | 	};
466 | 	rootObject = D10828AB1520FAD3008B8431 /* Project object */;
467 | }
468 | 


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279 | 			);
280 | 			runOnlyForDeploymentPostprocessing = 0;
281 | 			shellPath = /bin/sh;
282 | 			shellScript = "# Run the unit tests in this test bundle.\n\"${SYSTEM_DEVELOPER_DIR}/Tools/RunUnitTests\"\n";
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294 | 				FB8EDB081523112800546E8E /* NSObject+SFObservers.m in Sources */,
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304 | 				FB8EDAFD1523111B00546E8E /* Sample_ProjectTests.m in Sources */,
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363 | 		};
364 | 		FB8EDAF4152310F300546E8E /* Release */ = {
365 | 			isa = XCBuildConfiguration;
366 | 			buildSettings = {
367 | 				ALWAYS_SEARCH_USER_PATHS = NO;
368 | 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
369 | 				CLANG_ENABLE_OBJC_ARC = YES;
370 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
371 | 				COPY_PHASE_STRIP = YES;
372 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
373 | 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
374 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
375 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
376 | 				GCC_WARN_UNUSED_VARIABLE = YES;
377 | 				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
378 | 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
379 | 				SDKROOT = iphoneos;
380 | 				TARGETED_DEVICE_FAMILY = "1,2";
381 | 				VALIDATE_PRODUCT = YES;
382 | 			};
383 | 			name = Release;
384 | 		};
385 | 		FB8EDAF6152310F300546E8E /* Debug */ = {
386 | 			isa = XCBuildConfiguration;
387 | 			buildSettings = {
388 | 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
389 | 				GCC_PREFIX_HEADER = "Sample ARC/Sample ARC-Prefix.pch";
390 | 				INFOPLIST_FILE = "Sample ARC/Sample ARC-Info.plist";
391 | 				PRODUCT_NAME = "$(TARGET_NAME)";
392 | 				WRAPPER_EXTENSION = app;
393 | 			};
394 | 			name = Debug;
395 | 		};
396 | 		FB8EDAF7152310F300546E8E /* Release */ = {
397 | 			isa = XCBuildConfiguration;
398 | 			buildSettings = {
399 | 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
400 | 				GCC_PREFIX_HEADER = "Sample ARC/Sample ARC-Prefix.pch";
401 | 				INFOPLIST_FILE = "Sample ARC/Sample ARC-Info.plist";
402 | 				PRODUCT_NAME = "$(TARGET_NAME)";
403 | 				WRAPPER_EXTENSION = app;
404 | 			};
405 | 			name = Release;
406 | 		};
407 | 		FB8EDAF9152310F300546E8E /* Debug */ = {
408 | 			isa = XCBuildConfiguration;
409 | 			buildSettings = {
410 | 				BUNDLE_LOADER = "$(BUILT_PRODUCTS_DIR)/Sample ARC.app/Sample ARC";
411 | 				FRAMEWORK_SEARCH_PATHS = (
412 | 					"$(SDKROOT)/Developer/Library/Frameworks",
413 | 					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
414 | 				);
415 | 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
416 | 				GCC_PREFIX_HEADER = "Sample ARC/Sample ARC-Prefix.pch";
417 | 				INFOPLIST_FILE = "Sample ARCTests/Sample ARCTests-Info.plist";
418 | 				PRODUCT_NAME = "$(TARGET_NAME)";
419 | 				TEST_HOST = "$(BUNDLE_LOADER)";
420 | 				WRAPPER_EXTENSION = octest;
421 | 			};
422 | 			name = Debug;
423 | 		};
424 | 		FB8EDAFA152310F300546E8E /* Release */ = {
425 | 			isa = XCBuildConfiguration;
426 | 			buildSettings = {
427 | 				BUNDLE_LOADER = "$(BUILT_PRODUCTS_DIR)/Sample ARC.app/Sample ARC";
428 | 				FRAMEWORK_SEARCH_PATHS = (
429 | 					"$(SDKROOT)/Developer/Library/Frameworks",
430 | 					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
431 | 				);
432 | 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
433 | 				GCC_PREFIX_HEADER = "Sample ARC/Sample ARC-Prefix.pch";
434 | 				INFOPLIST_FILE = "Sample ARCTests/Sample ARCTests-Info.plist";
435 | 				PRODUCT_NAME = "$(TARGET_NAME)";
436 | 				TEST_HOST = "$(BUNDLE_LOADER)";
437 | 				WRAPPER_EXTENSION = octest;
438 | 			};
439 | 			name = Release;
440 | 		};
441 | /* End XCBuildConfiguration section */
442 | 
443 | /* Begin XCConfigurationList section */
444 | 		FB8EDAC2152310F100546E8E /* Build configuration list for PBXProject "Sample ARC" */ = {
445 | 			isa = XCConfigurationList;
446 | 			buildConfigurations = (
447 | 				FB8EDAF3152310F300546E8E /* Debug */,
448 | 				FB8EDAF4152310F300546E8E /* Release */,
449 | 			);
450 | 			defaultConfigurationIsVisible = 0;
451 | 			defaultConfigurationName = Release;
452 | 		};
453 | 		FB8EDAF5152310F300546E8E /* Build configuration list for PBXNativeTarget "Sample ARC" */ = {
454 | 			isa = XCConfigurationList;
455 | 			buildConfigurations = (
456 | 				FB8EDAF6152310F300546E8E /* Debug */,
457 | 				FB8EDAF7152310F300546E8E /* Release */,
458 | 			);
459 | 			defaultConfigurationIsVisible = 0;
460 | 			defaultConfigurationName = Release;
461 | 		};
462 | 		FB8EDAF8152310F300546E8E /* Build configuration list for PBXNativeTarget "Sample ARCTests" */ = {
463 | 			isa = XCConfigurationList;
464 | 			buildConfigurations = (
465 | 				FB8EDAF9152310F300546E8E /* Debug */,
466 | 				FB8EDAFA152310F300546E8E /* Release */,
467 | 			);
468 | 			defaultConfigurationIsVisible = 0;
469 | 			defaultConfigurationName = Release;
470 | 		};
471 | /* End XCConfigurationList section */
472 | 	};
473 | 	rootObject = FB8EDABF152310F100546E8E /* Project object */;
474 | }
475 | 


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