├── example ├── ios │ ├── Flutter │ │ ├── Debug.xcconfig │ │ ├── Release.xcconfig │ │ └── AppFrameworkInfo.plist │ ├── Runner │ │ ├── Runner-Bridging-Header.h │ │ ├── Assets.xcassets │ │ │ ├── LaunchImage.imageset │ │ │ │ ├── LaunchImage.png │ │ │ │ ├── LaunchImage@2x.png │ │ │ │ ├── LaunchImage@3x.png │ │ │ │ ├── README.md │ │ │ │ └── Contents.json │ │ │ └── AppIcon.appiconset │ │ │ │ ├── Icon-App-20x20@1x.png │ │ │ │ ├── Icon-App-20x20@2x.png │ │ │ │ ├── Icon-App-20x20@3x.png │ │ │ │ ├── Icon-App-29x29@1x.png │ │ │ │ ├── Icon-App-29x29@2x.png │ │ │ │ ├── Icon-App-29x29@3x.png │ │ │ │ ├── Icon-App-40x40@1x.png │ │ │ │ ├── Icon-App-40x40@2x.png │ │ │ │ ├── Icon-App-40x40@3x.png │ │ │ │ ├── Icon-App-60x60@2x.png │ │ │ │ ├── Icon-App-60x60@3x.png │ │ │ │ ├── Icon-App-76x76@1x.png │ │ │ │ ├── Icon-App-76x76@2x.png │ │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ │ ├── Icon-App-83.5x83.5@2x.png │ │ │ │ └── Contents.json │ │ ├── AppDelegate.swift │ │ ├── Base.lproj │ │ │ ├── Main.storyboard │ │ │ └── LaunchScreen.storyboard │ │ └── Info.plist │ ├── Runner.xcodeproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ ├── WorkspaceSettings.xcsettings │ │ │ │ └── IDEWorkspaceChecks.plist │ │ ├── xcshareddata │ │ │ └── xcschemes │ │ │ │ └── Runner.xcscheme │ │ └── project.pbxproj │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── WorkspaceSettings.xcsettings │ │ │ └── IDEWorkspaceChecks.plist │ └── .gitignore ├── lib │ ├── pages │ │ ├── index.dart │ │ ├── counter │ │ │ ├── counter_page.vm.dart │ │ │ └── counter_page.view.dart │ │ └── counter_with_observable │ │ │ ├── counter_page.vm.dart │ │ │ └── counter_page.view.dart │ └── main.dart ├── web │ ├── favicon.png │ ├── icons │ │ ├── Icon-192.png │ │ ├── Icon-512.png │ │ ├── Icon-maskable-192.png │ │ └── Icon-maskable-512.png │ ├── manifest.json │ └── index.html ├── android │ ├── gradle.properties │ ├── app │ │ ├── src │ │ │ ├── main │ │ │ │ ├── res │ │ │ │ │ ├── mipmap-hdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-mdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-xhdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── drawable │ │ │ │ │ │ └── launch_background.xml │ │ │ │ │ ├── drawable-v21 │ │ │ │ │ │ └── launch_background.xml │ │ │ │ │ ├── values │ │ │ │ │ │ └── styles.xml │ │ │ │ │ └── values-night │ │ │ │ │ │ └── styles.xml │ │ │ │ ├── kotlin │ │ │ │ │ └── com │ │ │ │ │ │ └── example │ │ │ │ │ │ └── example │ │ │ │ │ │ └── MainActivity.kt │ │ │ │ └── AndroidManifest.xml │ │ │ ├── debug │ │ │ │ └── AndroidManifest.xml │ │ │ └── profile │ │ │ │ └── AndroidManifest.xml │ │ └── build.gradle │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ ├── .gitignore │ ├── settings.gradle │ └── build.gradle ├── windows │ ├── runner │ │ ├── resources │ │ │ └── app_icon.ico │ │ ├── resource.h │ │ ├── CMakeLists.txt │ │ ├── utils.h │ │ ├── runner.exe.manifest │ │ ├── flutter_window.h │ │ ├── main.cpp │ │ ├── utils.cpp │ │ ├── flutter_window.cpp │ │ ├── Runner.rc │ │ ├── win32_window.h │ │ └── win32_window.cpp │ ├── flutter │ │ ├── generated_plugin_registrant.cc │ │ ├── generated_plugin_registrant.h │ │ ├── generated_plugins.cmake │ │ └── CMakeLists.txt │ ├── .gitignore │ └── CMakeLists.txt ├── .metadata ├── README.md ├── .gitignore ├── analysis_options.yaml ├── pubspec.yaml └── pubspec.lock ├── lib ├── views │ ├── index.dart │ ├── stateless.view.dart │ └── hook.view.dart ├── models │ ├── index.dart │ ├── observable_action.model.dart │ └── observable.model.dart ├── pmvvm.config.dart ├── pmvvm.dart ├── extensions │ └── index.dart ├── mixens │ └── index.dart ├── mvvm_builder.props.dart ├── mvvm_builder.widget.dart └── view_model.dart ├── .vscode └── settings.json ├── analysis_options.yaml ├── .metadata ├── test ├── setup │ ├── view_model.setup.dart │ └── views.setup.dart └── tests │ ├── view_model.test.dart │ ├── mvvm_builder.test.dart │ ├── views.test.dart │ └── observable.test.dart ├── pubspec.yaml ├── LICENSE ├── .gitignore ├── CHANGELOG.md ├── pubspec.lock └── README.md /example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /example/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /example/lib/pages/index.dart: -------------------------------------------------------------------------------- 1 | export 'counter/counter_page.view.dart'; 2 | -------------------------------------------------------------------------------- /example/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /lib/views/index.dart: -------------------------------------------------------------------------------- 1 | export './hook.view.dart'; 2 | export './stateless.view.dart'; 3 | -------------------------------------------------------------------------------- /.vscode/settings.json: -------------------------------------------------------------------------------- 1 | { 2 | "conventionalCommits.scopes": [ 3 | "null-safety" 4 | ] 5 | } -------------------------------------------------------------------------------- /example/web/favicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/web/favicon.png -------------------------------------------------------------------------------- /lib/models/index.dart: -------------------------------------------------------------------------------- 1 | export './observable.model.dart'; 2 | export './observable_action.model.dart'; 3 | -------------------------------------------------------------------------------- /example/web/icons/Icon-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/web/icons/Icon-192.png -------------------------------------------------------------------------------- /example/web/icons/Icon-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/web/icons/Icon-512.png -------------------------------------------------------------------------------- /example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /example/web/icons/Icon-maskable-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/web/icons/Icon-maskable-192.png -------------------------------------------------------------------------------- /example/web/icons/Icon-maskable-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/web/icons/Icon-maskable-512.png -------------------------------------------------------------------------------- /example/windows/runner/resources/app_icon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/windows/runner/resources/app_icon.ico 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-------------------------------------------------------------------------------- 1 | linter: 2 | rules: 3 | prefer_mixin: false 4 | prefer_relative_imports: false 5 | public_member_api_docs: false 6 | lines_longer_than_80_chars: false 7 | -------------------------------------------------------------------------------- /lib/pmvvm.config.dart: -------------------------------------------------------------------------------- 1 | /// A global config class for the the PMVVM package 2 | class PMVVMConfig { 3 | static bool enableLogging = true; 4 | static bool trackObservablesHistory = true; 5 | } 6 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png 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/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/NourEldinShobier/pmvvm/HEAD/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/com/example/example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.example 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/windows/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void RegisterPlugins(flutter::PluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /example/lib/pages/counter/counter_page.vm.dart: -------------------------------------------------------------------------------- 1 | import 'package:pmvvm/pmvvm.dart'; 2 | 3 | class CounterPageVM extends ViewModel { 4 | var title = 'Counter'; 5 | var counter = 0; 6 | 7 | void increase() { 8 | counter++; 9 | notifyListeners(); 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip 7 | -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'package:example/pages/counter/counter_page.view.dart'; 4 | 5 | /// import 'package:example/pages/counter_with_observable/counter_page.view.dart'; 6 | 7 | void main() { 8 | runApp(MaterialApp(home: CounterPage())); 9 | } 10 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /lib/pmvvm.dart: -------------------------------------------------------------------------------- 1 | library pmvvm; 2 | 3 | export 'package:flutter_hooks/flutter_hooks.dart'; 4 | export 'package:provider/provider.dart' hide Dispose; 5 | 6 | export 'pmvvm.config.dart'; 7 | export 'mvvm_builder.widget.dart'; 8 | export 'view_model.dart'; 9 | export 'extensions/index.dart'; 10 | export 'views/index.dart'; 11 | export 'models/index.dart'; 12 | -------------------------------------------------------------------------------- /.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 8af6b2f038c1172e61d418869363a28dffec3cb4 8 | channel: stable 9 | 10 | project_type: package 11 | -------------------------------------------------------------------------------- /example/.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 097d3313d8e2c7f901932d63e537c1acefb87800 8 | channel: stable 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /example/android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app 11 | key.properties 12 | **/*.keystore 13 | **/*.jks 14 | -------------------------------------------------------------------------------- /example/windows/.gitignore: -------------------------------------------------------------------------------- 1 | flutter/ephemeral/ 2 | 3 | # Visual Studio user-specific files. 4 | *.suo 5 | *.user 6 | *.userosscache 7 | *.sln.docstates 8 | 9 | # Visual Studio build-related files. 10 | x64/ 11 | x86/ 12 | 13 | # Visual Studio cache files 14 | # files ending in .cache can be ignored 15 | *.[Cc]ache 16 | # but keep track of directories ending in .cache 17 | !*.[Cc]ache/ 18 | -------------------------------------------------------------------------------- /example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 1 | # Launch Screen Assets 2 | 3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory. 4 | 5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /example/windows/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void RegisterPlugins(flutter::PluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /lib/extensions/index.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/widgets.dart'; 2 | import 'package:pmvvm/models/index.dart'; 3 | import 'package:provider/provider.dart'; 4 | 5 | extension ProviderExtensions on BuildContext { 6 | T fetch({bool listen = true}) => Provider.of(this, listen: listen); 7 | } 8 | 9 | extension ObjectExtension on T { 10 | Observable observable([String? alias]) => Observable.initialized(this, alias); 11 | } 12 | -------------------------------------------------------------------------------- /test/setup/view_model.setup.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | class BaseVm extends ViewModel { 5 | int counter = 0; 6 | 7 | void increase() { 8 | counter++; 9 | notifyListeners(); 10 | } 11 | } 12 | 13 | class DependentVm extends ViewModel { 14 | late int value; 15 | 16 | @override 17 | void init() { 18 | value = context.fetch>().value; 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /example/lib/pages/counter_with_observable/counter_page.vm.dart: -------------------------------------------------------------------------------- 1 | import 'package:pmvvm/pmvvm.dart'; 2 | 3 | class CounterPageVM extends ViewModel { 4 | var title = 'Counter'; 5 | 6 | // final counter = Observable.initialized(0); 7 | final counter = 0.observable('MyCounter'); 8 | 9 | @override 10 | void init() { 11 | observe([counter]); 12 | } 13 | 14 | void increase() { 15 | counter.setValue(counter.value + 1, action: 'INCREASE'); 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /example/ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /example/windows/runner/resource.h: -------------------------------------------------------------------------------- 1 | //{{NO_DEPENDENCIES}} 2 | // Microsoft Visual C++ generated include file. 3 | // Used by Runner.rc 4 | // 5 | #define IDI_APP_ICON 101 6 | 7 | // Next default values for new objects 8 | // 9 | #ifdef APSTUDIO_INVOKED 10 | #ifndef APSTUDIO_READONLY_SYMBOLS 11 | #define _APS_NEXT_RESOURCE_VALUE 102 12 | #define _APS_NEXT_COMMAND_VALUE 40001 13 | #define _APS_NEXT_CONTROL_VALUE 1001 14 | #define _APS_NEXT_SYMED_VALUE 101 15 | #endif 16 | #endif 17 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: pmvvm 2 | description: A clean & simple MVVM solution for state management using Provider package. 3 | version: 4.0.1 4 | homepage: https://github.com/NourEldinShobier/pmvvm 5 | 6 | environment: 7 | sdk: ">=2.12.0 <3.0.0" 8 | 9 | dependencies: 10 | provider: ^6.0.2 11 | flutter_hooks: ^0.18.3 12 | tint: ^2.0.0 13 | 14 | flutter: 15 | sdk: flutter 16 | 17 | dev_dependencies: 18 | # For Analyzer 19 | effective_dart: ^1.3.1 20 | 21 | flutter_test: 22 | sdk: flutter 23 | 24 | flutter: 25 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /lib/views/stateless.view.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | /// The view of the MVVM architecture. 5 | abstract class StatelessView extends StatelessWidget { 6 | const StatelessView({Key? key, this.reactive = true}) : super(key: key); 7 | 8 | final bool reactive; 9 | 10 | @override 11 | Widget build(BuildContext context) => render(context, Provider.of(context, listen: reactive)); 12 | 13 | Widget render(BuildContext context, T viewModel); 14 | } 15 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /lib/views/hook.view.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | /// An implementation for the view that allows you to use hook widgets. 5 | abstract class HookView extends HookWidget { 6 | const HookView({Key? key, this.reactive = true}) : super(key: key); 7 | 8 | final bool reactive; 9 | 10 | @override 11 | Widget build(BuildContext context) => render(context, Provider.of(context, listen: reactive)); 12 | 13 | Widget render(BuildContext context, T viewModel); 14 | } 15 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "LaunchImage.png", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "filename" : "LaunchImage@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "LaunchImage@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /example/windows/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | set(PLUGIN_BUNDLED_LIBRARIES) 9 | 10 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 11 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) 12 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 13 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 14 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 15 | endforeach(plugin) 16 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # example 2 | 3 | A new Flutter project. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) 13 | 14 | For help getting started with Flutter, view our 15 | [online documentation](https://flutter.dev/docs), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /example/windows/runner/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.14) 2 | project(runner LANGUAGES CXX) 3 | 4 | add_executable(${BINARY_NAME} WIN32 5 | "flutter_window.cpp" 6 | "main.cpp" 7 | "utils.cpp" 8 | "win32_window.cpp" 9 | "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" 10 | "Runner.rc" 11 | "runner.exe.manifest" 12 | ) 13 | apply_standard_settings(${BINARY_NAME}) 14 | target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") 15 | target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) 16 | target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") 17 | add_dependencies(${BINARY_NAME} flutter_assemble) 18 | -------------------------------------------------------------------------------- /lib/mixens/index.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/widgets.dart'; 2 | 3 | /// This mixin adds a [didInitState] lifecycle method to a [StatefulWidget] [State] object. 4 | /// From there you can safely access [BuildContext.inheritFromWidgetOfExactType]. 5 | mixin DidInitStateMixin on State { 6 | bool _didInitState = false; 7 | 8 | @override 9 | @mustCallSuper 10 | void didChangeDependencies() { 11 | if (!_didInitState) { 12 | didInitState(); 13 | _didInitState = true; 14 | } 15 | super.didChangeDependencies(); 16 | } 17 | 18 | /// Called only once, after [initState], and before [didChangeDependencies]. 19 | void didInitState(); 20 | } 21 | -------------------------------------------------------------------------------- /example/ios/.gitignore: -------------------------------------------------------------------------------- 1 | **/dgph 2 | *.mode1v3 3 | *.mode2v3 4 | *.moved-aside 5 | *.pbxuser 6 | *.perspectivev3 7 | **/*sync/ 8 | .sconsign.dblite 9 | .tags* 10 | **/.vagrant/ 11 | **/DerivedData/ 12 | Icon? 13 | **/Pods/ 14 | **/.symlinks/ 15 | profile 16 | xcuserdata 17 | **/.generated/ 18 | Flutter/App.framework 19 | Flutter/Flutter.framework 20 | Flutter/Flutter.podspec 21 | Flutter/Generated.xcconfig 22 | Flutter/ephemeral/ 23 | Flutter/app.flx 24 | Flutter/app.zip 25 | Flutter/flutter_assets/ 26 | Flutter/flutter_export_environment.sh 27 | ServiceDefinitions.json 28 | Runner/GeneratedPluginRegistrant.* 29 | 30 | # Exceptions to above rules. 31 | !default.mode1v3 32 | !default.mode2v3 33 | !default.pbxuser 34 | !default.perspectivev3 35 | -------------------------------------------------------------------------------- /example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.6.10' 3 | repositories { 4 | google() 5 | mavenCentral() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:4.1.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | mavenCentral() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /example/windows/runner/utils.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_UTILS_H_ 2 | #define RUNNER_UTILS_H_ 3 | 4 | #include 5 | #include 6 | 7 | // Creates a console for the process, and redirects stdout and stderr to 8 | // it for both the runner and the Flutter library. 9 | void CreateAndAttachConsole(); 10 | 11 | // Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string 12 | // encoded in UTF-8. Returns an empty std::string on failure. 13 | std::string Utf8FromUtf16(const wchar_t* utf16_string); 14 | 15 | // Gets the command line arguments passed in as a std::vector, 16 | // encoded in UTF-8. Returns an empty std::vector on failure. 17 | std::vector GetCommandLineArguments(); 18 | 19 | #endif // RUNNER_UTILS_H_ 20 | -------------------------------------------------------------------------------- /test/tests/view_model.test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_test/flutter_test.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | import '../setup/view_model.setup.dart'; 5 | import '../setup/views.setup.dart'; 6 | 7 | void main() { 8 | group('ViewModels tests -', () { 9 | group('Base tests -', () { 10 | testWidgets('When notifyListeners is called Then update the listening children', (tester) async { 11 | // ARRANGE 12 | final vm = BaseVm(); 13 | 14 | await tester.pumpWidget(MVVM(viewModel: vm, view: () => ReactiveView())); 15 | 16 | // ACT 17 | vm.increase(); 18 | await tester.pump(); 19 | 20 | // ASSERT 21 | expect(find.text('1'), findsOneWidget); 22 | }); 23 | }); 24 | }); 25 | } 26 | -------------------------------------------------------------------------------- /example/ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 9.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | **/ios/Flutter/.last_build_id 26 | .dart_tool/ 27 | .flutter-plugins 28 | .flutter-plugins-dependencies 29 | .packages 30 | .pub-cache/ 31 | .pub/ 32 | /build/ 33 | 34 | # Web related 35 | lib/generated_plugin_registrant.dart 36 | 37 | # Symbolication related 38 | app.*.symbols 39 | 40 | # Obfuscation related 41 | app.*.map.json 42 | 43 | # Android Studio will place build artifacts here 44 | /android/app/debug 45 | /android/app/profile 46 | /android/app/release 47 | -------------------------------------------------------------------------------- /example/windows/runner/runner.exe.manifest: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PerMonitorV2 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /lib/models/observable_action.model.dart: -------------------------------------------------------------------------------- 1 | import 'package:tint/tint.dart'; 2 | 3 | /// A class that wraps the observable's action, value, time, and the 4 | /// observable alias value 5 | class ObservableAction { 6 | ObservableAction({ 7 | required this.value, 8 | required this.dateTime, 9 | this.action, 10 | String? alias, 11 | }) : _alias = alias; 12 | 13 | final T value; 14 | final DateTime dateTime; 15 | final String? action; 16 | final String? _alias; 17 | 18 | @override 19 | String toString() { 20 | final $type = ' type: ${T.toString()} |'.white().bold(); 21 | final $leading = '[ACTION]'.rgb(r: 2, g: 242, b: 144).bold(); 22 | final $alias = ' alias: $_alias |'.white().bold(); 23 | final $value = ' value: $value |'.white().bold(); 24 | final $action = ' action: $action |'.white().bold(); 25 | final $at = ' at: $dateTime'.white().bold(); 26 | 27 | return '${$leading}${$type}${$alias}${$value}${$action}${$at}'; 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /example/web/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "example", 3 | "short_name": "example", 4 | "start_url": ".", 5 | "display": "standalone", 6 | "background_color": "#0175C2", 7 | "theme_color": "#0175C2", 8 | "description": "A new Flutter project.", 9 | "orientation": "portrait-primary", 10 | "prefer_related_applications": false, 11 | "icons": [ 12 | { 13 | "src": "icons/Icon-192.png", 14 | "sizes": "192x192", 15 | "type": "image/png" 16 | }, 17 | { 18 | "src": "icons/Icon-512.png", 19 | "sizes": "512x512", 20 | "type": "image/png" 21 | }, 22 | { 23 | "src": "icons/Icon-maskable-192.png", 24 | "sizes": "192x192", 25 | "type": "image/png", 26 | "purpose": "maskable" 27 | }, 28 | { 29 | "src": "icons/Icon-maskable-512.png", 30 | "sizes": "512x512", 31 | "type": "image/png", 32 | "purpose": "maskable" 33 | } 34 | ] 35 | } 36 | -------------------------------------------------------------------------------- /test/tests/mvvm_builder.test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | import 'package:flutter_test/flutter_test.dart'; 3 | import 'package:pmvvm/pmvvm.dart'; 4 | 5 | import '../setup/view_model.setup.dart'; 6 | 7 | void main() { 8 | group('MVVM buidler tests -', () { 9 | group('builderView functionality tests -', () { 10 | testWidgets('When the VM notifyListeners Then the view listens to the VM changes', (tester) async { 11 | // ARRANGE 12 | final viewModel = BaseVm(); 13 | 14 | await tester.pumpWidget( 15 | MVVM.builder( 16 | viewModel: viewModel, 17 | viewBuilder: (_, vm) { 18 | return Text( 19 | vm.counter.toString(), 20 | textDirection: TextDirection.ltr, 21 | ); 22 | }, 23 | ), 24 | ); 25 | 26 | // ACT 27 | viewModel.increase(); 28 | await tester.pump(); 29 | 30 | // ASSERT 31 | expect(find.text('1'), findsOneWidget); 32 | }); 33 | }); 34 | }); 35 | } 36 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/windows/runner/flutter_window.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_FLUTTER_WINDOW_H_ 2 | #define RUNNER_FLUTTER_WINDOW_H_ 3 | 4 | #include 5 | #include 6 | 7 | #include 8 | 9 | #include "win32_window.h" 10 | 11 | // A window that does nothing but host a Flutter view. 12 | class FlutterWindow : public Win32Window { 13 | public: 14 | // Creates a new FlutterWindow hosting a Flutter view running |project|. 15 | explicit FlutterWindow(const flutter::DartProject& project); 16 | virtual ~FlutterWindow(); 17 | 18 | protected: 19 | // Win32Window: 20 | bool OnCreate() override; 21 | void OnDestroy() override; 22 | LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, 23 | LPARAM const lparam) noexcept override; 24 | 25 | private: 26 | // The project to run. 27 | flutter::DartProject project_; 28 | 29 | // The Flutter instance hosted by this window. 30 | std::unique_ptr flutter_controller_; 31 | }; 32 | 33 | #endif // RUNNER_FLUTTER_WINDOW_H_ 34 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2020 Nour El-Din Shobier 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /test/setup/views.setup.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | import 'view_model.setup.dart'; 5 | 6 | /// Reactive views. 7 | 8 | class ReactiveView extends StatelessView { 9 | ReactiveView({Key? key}) : super(key: key, reactive: true); 10 | 11 | Widget render(BuildContext context, BaseVm vm) { 12 | return Text( 13 | vm.counter.toString(), 14 | textDirection: TextDirection.ltr, 15 | ); 16 | } 17 | } 18 | 19 | class DependentVmView extends StatelessView { 20 | DependentVmView({Key? key}) : super(key: key, reactive: true); 21 | 22 | Widget render(BuildContext context, DependentVm vm) { 23 | return Text( 24 | vm.value.toString(), 25 | textDirection: TextDirection.ltr, 26 | ); 27 | } 28 | } 29 | 30 | /// NonReactive views. 31 | 32 | class NonReactiveView extends StatelessView { 33 | NonReactiveView({Key? key}) : super(key: key, reactive: false); 34 | 35 | Widget render(BuildContext context, BaseVm vm) { 36 | return Text( 37 | vm.counter.toString(), 38 | textDirection: TextDirection.ltr, 39 | ); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /test/tests/views.test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_test/flutter_test.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | import '../setup/view_model.setup.dart'; 5 | import '../setup/views.setup.dart'; 6 | 7 | void main() { 8 | group('Views tests -', () { 9 | group('Reactive functionality tests -', () { 10 | testWidgets('When view is non-reactive Then it wont listen to the VM changes', (tester) async { 11 | // ARRANGE 12 | final vm = BaseVm(); 13 | 14 | await tester.pumpWidget(MVVM(viewModel: vm, view: () => NonReactiveView())); 15 | 16 | // ACT 17 | vm.increase(); 18 | await tester.pump(); 19 | 20 | // ASSERT 21 | expect(find.text('0'), findsOneWidget); 22 | }); 23 | 24 | testWidgets('When view is reactive Then it will listen to the VM changes', (tester) async { 25 | // ARRANGE 26 | final vm = BaseVm(); 27 | 28 | await tester.pumpWidget(MVVM(viewModel: vm, view: () => ReactiveView())); 29 | 30 | // ACT 31 | vm.increase(); 32 | await tester.pump(); 33 | 34 | // ASSERT 35 | expect(find.text('1'), findsOneWidget); 36 | }); 37 | }); 38 | }); 39 | } 40 | -------------------------------------------------------------------------------- /lib/mvvm_builder.props.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/widgets.dart'; 2 | import 'view_model.dart'; 3 | 4 | class MVVMBaseProps { 5 | /// The view model of the view. 6 | final T viewModel; 7 | 8 | /// To dispose the [viewModel] when the provider is removed from the 9 | /// widget tree. 10 | final bool disposeVM; 11 | 12 | MVVMBaseProps({ 13 | required this.viewModel, 14 | required this.disposeVM, 15 | }); 16 | } 17 | 18 | class MVVMProps extends MVVMBaseProps { 19 | /// A builder function for the View widget. 20 | final Widget Function() view; 21 | 22 | MVVMProps({ 23 | required this.view, 24 | required T viewModel, 25 | required bool disposeVM, 26 | }) : super(viewModel: viewModel, disposeVM: disposeVM); 27 | } 28 | 29 | class MVVMBuilderProps extends MVVMBaseProps { 30 | /// A builder function for the View widget, it also has access 31 | /// to the [viewModel]. 32 | final Widget Function(BuildContext, T) viewBuilder; 33 | 34 | MVVMBuilderProps({ 35 | required this.viewBuilder, 36 | required T viewModel, 37 | required bool disposeVM, 38 | }) : super(viewModel: viewModel, disposeVM: disposeVM); 39 | } 40 | -------------------------------------------------------------------------------- /example/windows/runner/main.cpp: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | 5 | #include "flutter_window.h" 6 | #include "utils.h" 7 | 8 | int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev, 9 | _In_ wchar_t *command_line, _In_ int show_command) { 10 | // Attach to console when present (e.g., 'flutter run') or create a 11 | // new console when running with a debugger. 12 | if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) { 13 | CreateAndAttachConsole(); 14 | } 15 | 16 | // Initialize COM, so that it is available for use in the library and/or 17 | // plugins. 18 | ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); 19 | 20 | flutter::DartProject project(L"data"); 21 | 22 | std::vector command_line_arguments = 23 | GetCommandLineArguments(); 24 | 25 | project.set_dart_entrypoint_arguments(std::move(command_line_arguments)); 26 | 27 | FlutterWindow window(project); 28 | Win32Window::Point origin(10, 10); 29 | Win32Window::Size size(1280, 720); 30 | if (!window.CreateAndShow(L"example", origin, size)) { 31 | return EXIT_FAILURE; 32 | } 33 | window.SetQuitOnClose(true); 34 | 35 | ::MSG msg; 36 | while (::GetMessage(&msg, nullptr, 0, 0)) { 37 | ::TranslateMessage(&msg); 38 | ::DispatchMessage(&msg); 39 | } 40 | 41 | ::CoUninitialize(); 42 | return EXIT_SUCCESS; 43 | } 44 | -------------------------------------------------------------------------------- /test/tests/observable.test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_test/flutter_test.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | void main() { 5 | group('Observable tests -', () { 6 | test('When the observable is not initialized Then an error will be raised when the value is consumed', () { 7 | // ARRANGE 8 | final counter = Observable('MyCounter'); 9 | 10 | // ASSERT 11 | expect(() => counter.value, throwsException); 12 | }); 13 | 14 | test('When the observable is not initialized Then hasValue will return false', () { 15 | // ARRANGE 16 | final counter = Observable('MyCounter'); 17 | 18 | // ASSERT 19 | expect(counter.hasValue, false); 20 | }); 21 | 22 | test('When setValue is called Then the observable value changes', () { 23 | // ARRANGE 24 | final counter = Observable.initialized(0, 'MyCounter'); 25 | 26 | // ACT 27 | counter.setValue(counter.value + 1, action: 'INCREASE'); 28 | 29 | // ASSERT 30 | expect(counter.value, 1); 31 | }); 32 | 33 | test('When the observable has one value Then prevValue will return null', () { 34 | // ARRANGE 35 | final counter = Observable.initialized(0, 'MyCounter'); 36 | 37 | // ASSERT 38 | expect(counter.prevValue, null); 39 | }); 40 | 41 | test('When the observable is not initialized Then valueOrNull will return null', () { 42 | // ARRANGE 43 | final counter = Observable('MyCounter'); 44 | 45 | // ASSERT 46 | expect(counter.valueOrNull, null); 47 | }); 48 | }); 49 | } 50 | -------------------------------------------------------------------------------- /example/analysis_options.yaml: -------------------------------------------------------------------------------- 1 | # This file configures the analyzer, which statically analyzes Dart code to 2 | # check for errors, warnings, and lints. 3 | # 4 | # The issues identified by the analyzer are surfaced in the UI of Dart-enabled 5 | # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be 6 | # invoked from the command line by running `flutter analyze`. 7 | 8 | # The following line activates a set of recommended lints for Flutter apps, 9 | # packages, and plugins designed to encourage good coding practices. 10 | include: package:flutter_lints/flutter.yaml 11 | 12 | linter: 13 | # The lint rules applied to this project can be customized in the 14 | # section below to disable rules from the `package:flutter_lints/flutter.yaml` 15 | # included above or to enable additional rules. A list of all available lints 16 | # and their documentation is published at 17 | # https://dart-lang.github.io/linter/lints/index.html. 18 | # 19 | # Instead of disabling a lint rule for the entire project in the 20 | # section below, it can also be suppressed for a single line of code 21 | # or a specific dart file by using the `// ignore: name_of_lint` and 22 | # `// ignore_for_file: name_of_lint` syntax on the line or in the file 23 | # producing the lint. 24 | rules: 25 | prefer_const_constructors: false 26 | # avoid_print: false # Uncomment to disable the `avoid_print` rule 27 | # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule 28 | # Additional information about this file can be found at 29 | # https://dart.dev/guides/language/analysis-options 30 | -------------------------------------------------------------------------------- /example/ios/Runner/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 | -------------------------------------------------------------------------------- /example/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleDisplayName 8 | Example 9 | CFBundleExecutable 10 | $(EXECUTABLE_NAME) 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | example 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | $(FLUTTER_BUILD_NUMBER) 25 | LSRequiresIPhoneOS 26 | 27 | UILaunchStoryboardName 28 | LaunchScreen 29 | UIMainStoryboardFile 30 | Main 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | UIViewControllerBasedStatusBarAppearance 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /example/lib/pages/counter/counter_page.view.dart: -------------------------------------------------------------------------------- 1 | import 'package:pmvvm/pmvvm.dart'; 2 | import 'package:flutter/material.dart'; 3 | 4 | import 'counter_page.vm.dart'; 5 | 6 | class CounterPage extends StatelessWidget { 7 | const CounterPage({Key? key}) : super(key: key); 8 | 9 | @override 10 | Widget build(BuildContext context) { 11 | return MVVM( 12 | view: () => _CounterPageView(), 13 | viewModel: CounterPageVM(), 14 | ); 15 | } 16 | } 17 | 18 | class _CounterPageView extends StatelessView { 19 | const _CounterPageView({Key? key}) : super(key: key); 20 | 21 | @override 22 | Widget render(context, page) { 23 | return Scaffold( 24 | appBar: AppBar(title: Text(page.title)), 25 | body: Center( 26 | child: Column( 27 | mainAxisAlignment: MainAxisAlignment.center, 28 | children: [ 29 | // If you don't want the viewModel to refresh the whole page, you 30 | // can set super(key: key, reactive: false) and use the Selector 31 | 32 | /* Selector( 33 | selector: (_, page) => page.counter, 34 | builder: (_, data, __) { 35 | return Text( 36 | data.toString(), 37 | style: Theme.of(context).textTheme.headline4, 38 | ); 39 | }, 40 | ), */ 41 | 42 | Text( 43 | page.counter.toString(), 44 | style: Theme.of(context).textTheme.headline4, 45 | ), 46 | ], 47 | ), 48 | ), 49 | floatingActionButton: FloatingActionButton( 50 | onPressed: page.increase, 51 | tooltip: 'Increment', 52 | child: Icon(Icons.add), 53 | ), 54 | ); 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /example/lib/pages/counter_with_observable/counter_page.view.dart: -------------------------------------------------------------------------------- 1 | import 'package:pmvvm/pmvvm.dart'; 2 | import 'package:flutter/material.dart'; 3 | 4 | import 'counter_page.vm.dart'; 5 | 6 | class CounterPage extends StatelessWidget { 7 | const CounterPage({Key? key}) : super(key: key); 8 | 9 | @override 10 | Widget build(BuildContext context) { 11 | return MVVM( 12 | view: () => _CounterPageView(), 13 | viewModel: CounterPageVM(), 14 | ); 15 | } 16 | } 17 | 18 | class _CounterPageView extends StatelessView { 19 | const _CounterPageView({Key? key}) : super(key: key); 20 | 21 | @override 22 | Widget render(context, page) { 23 | return Scaffold( 24 | appBar: AppBar(title: Text(page.title)), 25 | body: Center( 26 | child: Column( 27 | mainAxisAlignment: MainAxisAlignment.center, 28 | children: [ 29 | // If you don't want the viewModel to refresh the whole page, you 30 | // can set super(key: key, reactive: false) and use the Selector 31 | 32 | /* Selector( 33 | selector: (_, page) => page.counter, 34 | builder: (_, data, __) { 35 | return Text( 36 | data.toString(), 37 | style: Theme.of(context).textTheme.headline4, 38 | ); 39 | }, 40 | ), */ 41 | 42 | Text( 43 | page.counter.value.toString(), 44 | style: Theme.of(context).textTheme.headline4, 45 | ), 46 | ], 47 | ), 48 | ), 49 | floatingActionButton: FloatingActionButton( 50 | onPressed: page.increase, 51 | tooltip: 'Increment', 52 | child: Icon(Icons.add), 53 | ), 54 | ); 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 15 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | .dart_tool/ 26 | .flutter-plugins 27 | .flutter-plugins-dependencies 28 | .packages 29 | .pub-cache/ 30 | .pub/ 31 | build/ 32 | 33 | # Android related 34 | **/android/**/gradle-wrapper.jar 35 | **/android/.gradle 36 | **/android/captures/ 37 | **/android/gradlew 38 | **/android/gradlew.bat 39 | **/android/local.properties 40 | **/android/**/GeneratedPluginRegistrant.java 41 | 42 | # iOS/XCode related 43 | **/ios/**/*.mode1v3 44 | **/ios/**/*.mode2v3 45 | **/ios/**/*.moved-aside 46 | **/ios/**/*.pbxuser 47 | **/ios/**/*.perspectivev3 48 | **/ios/**/*sync/ 49 | **/ios/**/.sconsign.dblite 50 | **/ios/**/.tags* 51 | **/ios/**/.vagrant/ 52 | **/ios/**/DerivedData/ 53 | **/ios/**/Icon? 54 | **/ios/**/Pods/ 55 | **/ios/**/.symlinks/ 56 | **/ios/**/profile 57 | **/ios/**/xcuserdata 58 | **/ios/.generated/ 59 | **/ios/Flutter/App.framework 60 | **/ios/Flutter/Flutter.framework 61 | **/ios/Flutter/Flutter.podspec 62 | **/ios/Flutter/Generated.xcconfig 63 | **/ios/Flutter/app.flx 64 | **/ios/Flutter/app.zip 65 | **/ios/Flutter/flutter_assets/ 66 | **/ios/Flutter/flutter_export_environment.sh 67 | **/ios/ServiceDefinitions.json 68 | **/ios/Runner/GeneratedPluginRegistrant.* 69 | 70 | # Exceptions to above rules. 71 | !**/ios/**/default.mode1v3 72 | !**/ios/**/default.mode2v3 73 | !**/ios/**/default.pbxuser 74 | !**/ios/**/default.perspectivev3 75 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 76 | -------------------------------------------------------------------------------- /example/windows/runner/utils.cpp: -------------------------------------------------------------------------------- 1 | #include "utils.h" 2 | 3 | #include 4 | #include 5 | #include 6 | #include 7 | 8 | #include 9 | 10 | void CreateAndAttachConsole() { 11 | if (::AllocConsole()) { 12 | FILE *unused; 13 | if (freopen_s(&unused, "CONOUT$", "w", stdout)) { 14 | _dup2(_fileno(stdout), 1); 15 | } 16 | if (freopen_s(&unused, "CONOUT$", "w", stderr)) { 17 | _dup2(_fileno(stdout), 2); 18 | } 19 | std::ios::sync_with_stdio(); 20 | FlutterDesktopResyncOutputStreams(); 21 | } 22 | } 23 | 24 | std::vector GetCommandLineArguments() { 25 | // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. 26 | int argc; 27 | wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); 28 | if (argv == nullptr) { 29 | return std::vector(); 30 | } 31 | 32 | std::vector command_line_arguments; 33 | 34 | // Skip the first argument as it's the binary name. 35 | for (int i = 1; i < argc; i++) { 36 | command_line_arguments.push_back(Utf8FromUtf16(argv[i])); 37 | } 38 | 39 | ::LocalFree(argv); 40 | 41 | return command_line_arguments; 42 | } 43 | 44 | std::string Utf8FromUtf16(const wchar_t* utf16_string) { 45 | if (utf16_string == nullptr) { 46 | return std::string(); 47 | } 48 | int target_length = ::WideCharToMultiByte( 49 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, 50 | -1, nullptr, 0, nullptr, nullptr); 51 | if (target_length == 0) { 52 | return std::string(); 53 | } 54 | std::string utf8_string; 55 | utf8_string.resize(target_length); 56 | int converted_length = ::WideCharToMultiByte( 57 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, 58 | -1, utf8_string.data(), 59 | target_length, nullptr, nullptr); 60 | if (converted_length == 0) { 61 | return std::string(); 62 | } 63 | return utf8_string; 64 | } 65 | -------------------------------------------------------------------------------- /example/windows/runner/flutter_window.cpp: -------------------------------------------------------------------------------- 1 | #include "flutter_window.h" 2 | 3 | #include 4 | 5 | #include "flutter/generated_plugin_registrant.h" 6 | 7 | FlutterWindow::FlutterWindow(const flutter::DartProject& project) 8 | : project_(project) {} 9 | 10 | FlutterWindow::~FlutterWindow() {} 11 | 12 | bool FlutterWindow::OnCreate() { 13 | if (!Win32Window::OnCreate()) { 14 | return false; 15 | } 16 | 17 | RECT frame = GetClientArea(); 18 | 19 | // The size here must match the window dimensions to avoid unnecessary surface 20 | // creation / destruction in the startup path. 21 | flutter_controller_ = std::make_unique( 22 | frame.right - frame.left, frame.bottom - frame.top, project_); 23 | // Ensure that basic setup of the controller was successful. 24 | if (!flutter_controller_->engine() || !flutter_controller_->view()) { 25 | return false; 26 | } 27 | RegisterPlugins(flutter_controller_->engine()); 28 | SetChildContent(flutter_controller_->view()->GetNativeWindow()); 29 | return true; 30 | } 31 | 32 | void FlutterWindow::OnDestroy() { 33 | if (flutter_controller_) { 34 | flutter_controller_ = nullptr; 35 | } 36 | 37 | Win32Window::OnDestroy(); 38 | } 39 | 40 | LRESULT 41 | FlutterWindow::MessageHandler(HWND hwnd, UINT const message, 42 | WPARAM const wparam, 43 | LPARAM const lparam) noexcept { 44 | // Give Flutter, including plugins, an opportunity to handle window messages. 45 | if (flutter_controller_) { 46 | std::optional result = 47 | flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, 48 | lparam); 49 | if (result) { 50 | return *result; 51 | } 52 | } 53 | 54 | switch (message) { 55 | case WM_FONTCHANGE: 56 | flutter_controller_->engine()->ReloadSystemFonts(); 57 | break; 58 | } 59 | 60 | return Win32Window::MessageHandler(hwnd, message, wparam, lparam); 61 | } 62 | -------------------------------------------------------------------------------- /example/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion flutter.compileSdkVersion 30 | 31 | compileOptions { 32 | sourceCompatibility JavaVersion.VERSION_1_8 33 | targetCompatibility JavaVersion.VERSION_1_8 34 | } 35 | 36 | kotlinOptions { 37 | jvmTarget = '1.8' 38 | } 39 | 40 | sourceSets { 41 | main.java.srcDirs += 'src/main/kotlin' 42 | } 43 | 44 | defaultConfig { 45 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 46 | applicationId "com.example.example" 47 | minSdkVersion flutter.minSdkVersion 48 | targetSdkVersion flutter.targetSdkVersion 49 | versionCode flutterVersionCode.toInteger() 50 | versionName flutterVersionName 51 | } 52 | 53 | buildTypes { 54 | release { 55 | // TODO: Add your own signing config for the release build. 56 | // Signing with the debug keys for now, so `flutter run --release` works. 57 | signingConfig signingConfigs.debug 58 | } 59 | } 60 | } 61 | 62 | flutter { 63 | source '../..' 64 | } 65 | 66 | dependencies { 67 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 68 | } 69 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | # 4.0.1 2 | 3 | * Fix non null type warning of `WidgetsBinding.instance` 4 | 5 | # 4.0.0 6 | 7 | * Replace the `onDispose` callback method of the view model by `onUnmount` 8 | * Add `onMount` callback in the view model 9 | * Remove `initOnce` parameter and make the `init` method of the view model get called only after `initState` of the MVVM widget 10 | * Add `onDependenciesChange` in the view model to get called when the `didChangeDependencies` of the MVVM widget gets triggered 11 | 12 | # 3.0.0 13 | 14 | * Replace the `implicitView` parameter with the `builder` factory constructor. 15 | * Add observables 16 | 17 | # 2.3.0 18 | 19 | * Added the `implicitView` parameter to the MVVM builder to allow using explicit reactive views instead of predifined views classes. 20 | 21 | # 2.2.3 22 | 23 | * Fixd typos in the README. 24 | * Update the code documentation. 25 | 26 | # 2.2.2 27 | 28 | * Fixd typos in the README and updated the documentation structure. 29 | * Update the code documentation. 30 | * Update the package dependencies. 31 | 32 | # 2.2.0 33 | 34 | * Fix minor bug with hooks. 35 | * Support multiple app life cycle events invocation. 36 | * Update documentation 37 | 38 | # 2.0.1 39 | 40 | * Fix `null-safety` bug 41 | * Update example code. 42 | 43 | # 2.0.0 44 | 45 | * Migrate to `null-safety` 46 | 47 | # 1.0.0 48 | 49 | * Removed `createNewModelOnInsert` parameters of the `MVVM` widget. 50 | * Removed `MVVMWidget` class. 51 | * Handled app lifecycle state methods inside `ViewModel`. 52 | * Updated Example. 53 | * Updated README. 54 | * Updated Dependencies. 55 | 56 | # 0.4.0 57 | 58 | * Added `listen` parameter to `context.fetch()` 59 | * Updated README. 60 | 61 | # 0.3.0 62 | 63 | * Added `context.fetch()` which is equivalent to `Provider.of(context)` 64 | * Updated 2 factor authentication example 65 | * Updated README. 66 | 67 | # 0.2.2 68 | 69 | * Updated README file with extra details about `StatelessView`, code snippets, ..etc. 70 | 71 | # 0.2.1 72 | 73 | * Added examples: counter, firebase 2-factor auth. 74 | 75 | # 0.2.0 76 | 77 | * Added `StatelessView` widget. 78 | 79 | # 0.1.2 80 | 81 | * Update dependencies `flutter_hooks`. 82 | 83 | # 0.1.1 84 | 85 | * Fixed a bug by removing `protected` decorator from the `ViewModel`. 86 | 87 | # 0.1.0 88 | 89 | * Package Deployment 90 | -------------------------------------------------------------------------------- /example/ios/Runner/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 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /lib/models/observable.model.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:pmvvm/pmvvm.dart'; 4 | 5 | typedef void ValueChangedCallback( 6 | ObservableAction newAction, 7 | ObservableAction? prevAction, 8 | ); 9 | 10 | /// A data wrapper class that helps with keep track of any actions applied to any 11 | /// data/state, it can also store a history of all actions applied to this data. 12 | class Observable { 13 | Observable([this.alias]); 14 | 15 | Observable.initialized(T value, [this.alias]) { 16 | final observableAction = ObservableAction( 17 | value: value, 18 | dateTime: DateTime.now(), 19 | action: 'INITIAL_VALUE', 20 | alias: this.alias, 21 | ); 22 | 23 | _addAction(observableAction); 24 | } 25 | 26 | final String? alias; 27 | 28 | final _history = >[]; 29 | final _streamController = StreamController>.broadcast(); 30 | 31 | late T _value; 32 | 33 | ValueChangedCallback? _logCallback; 34 | 35 | bool _hasValue = false; 36 | 37 | /// getters 38 | 39 | T? get prevValue => _prevAction?.value; 40 | 41 | T get value { 42 | if (!_hasValue) { 43 | throw Exception('[PMVVM] Observable has no value. You should check if observable.hasValue ' 44 | 'before accessing its value, or use observable.valueOrNull instead.'); 45 | } 46 | 47 | return _value; 48 | } 49 | 50 | T? get valueOrNull { 51 | if (!_hasValue) return null; 52 | 53 | return _value; 54 | } 55 | 56 | bool get hasValue => _hasValue; 57 | 58 | List> get history => _history; 59 | 60 | Stream get stream => _streamController.stream.map((action) => action.value); 61 | 62 | bool get _hasPrevAction { 63 | if (_history.length < 2) return false; 64 | 65 | return true; 66 | } 67 | 68 | ObservableAction? get _prevAction { 69 | if (_hasPrevAction) return _history[_history.length - 2]; 70 | 71 | return null; 72 | } 73 | 74 | /// methods 75 | 76 | T? valueOrDefault(T defaultValue) { 77 | if (!_hasValue) return defaultValue; 78 | 79 | return _value; 80 | } 81 | 82 | void setValue(T value, {required String action}) { 83 | final observableAction = ObservableAction( 84 | value: value, 85 | dateTime: DateTime.now(), 86 | action: action, 87 | alias: this.alias, 88 | ); 89 | 90 | _addAction(observableAction); 91 | } 92 | 93 | void log(ValueChangedCallback callback) => _logCallback = callback; 94 | 95 | void clearHistory() => _history.clear(); 96 | 97 | void resetLogCallback() => _logCallback = null; 98 | 99 | void _addAction(ObservableAction action) { 100 | _value = action.value; 101 | _hasValue = true; 102 | 103 | if (PMVVMConfig.trackObservablesHistory) _history.add(action); 104 | _streamController.sink.add(action); 105 | 106 | _logAction(action); 107 | } 108 | 109 | void _logAction(ObservableAction action) { 110 | if (PMVVMConfig.enableLogging) { 111 | if (_logCallback != null) { 112 | _logCallback?.call(action, _prevAction); 113 | } else { 114 | print(action); 115 | } 116 | } 117 | } 118 | } 119 | -------------------------------------------------------------------------------- /lib/mvvm_builder.widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/widgets.dart'; 2 | import 'package:pmvvm/pmvvm.dart'; 3 | 4 | import 'mixens/index.dart'; 5 | import 'mvvm_builder.props.dart'; 6 | 7 | /// The MVVM builder widget. 8 | class MVVM extends StatefulWidget { 9 | final MVVMBaseProps props; 10 | 11 | MVVM({ 12 | Key? key, 13 | required Widget Function() view, 14 | required T viewModel, 15 | bool disposeVM = true, 16 | }) : props = MVVMProps( 17 | view: view, 18 | viewModel: viewModel, 19 | disposeVM: disposeVM, 20 | ), 21 | super(key: key); 22 | 23 | MVVM.builder({ 24 | Key? key, 25 | required Widget Function(BuildContext context, T vm) viewBuilder, 26 | required T viewModel, 27 | bool disposeVM = true, 28 | }) : props = MVVMBuilderProps( 29 | viewBuilder: viewBuilder, 30 | viewModel: viewModel, 31 | disposeVM: disposeVM, 32 | ), 33 | super(key: key); 34 | 35 | @override 36 | _MVVMState createState() => _MVVMState(); 37 | } 38 | 39 | class _MVVMState extends State> with WidgetsBindingObserver, DidInitStateMixin> { 40 | late T _vm; 41 | 42 | @override 43 | void initState() { 44 | super.initState(); 45 | _vm = widget.props.viewModel; 46 | 47 | WidgetsBinding.instance.addObserver(this); 48 | WidgetsBinding.instance.addPostFrameCallback((_) => _vm.onMount()); 49 | } 50 | 51 | @override 52 | void didInitState() { 53 | _vm.context = context; 54 | _vm.init(); 55 | } 56 | 57 | @override 58 | void didChangeAppLifecycleState(AppLifecycleState state) { 59 | if (state == AppLifecycleState.resumed) { 60 | _vm.onResume(); 61 | } else if (state == AppLifecycleState.inactive) { 62 | _vm.onInactive(); 63 | } else if (state == AppLifecycleState.paused) { 64 | _vm.onPause(); 65 | } else if (state == AppLifecycleState.detached) { 66 | _vm.onDetach(); 67 | } 68 | } 69 | 70 | @override 71 | void didChangeDependencies() { 72 | _vm.onDependenciesChange(); 73 | super.didChangeDependencies(); 74 | } 75 | 76 | @override 77 | void dispose() { 78 | WidgetsBinding.instance.removeObserver(this); 79 | _vm.onUnmount(); 80 | super.dispose(); 81 | } 82 | 83 | @override 84 | Widget build(BuildContext context) { 85 | _vm.onBuild(); 86 | 87 | if (widget.props is MVVMProps) { 88 | final props = widget.props as MVVMProps; 89 | 90 | if (!widget.props.disposeVM) { 91 | return ChangeNotifierProvider.value(value: _vm, child: props.view()); 92 | } 93 | 94 | return ChangeNotifierProvider(create: (_) => _vm, child: props.view()); 95 | } 96 | 97 | final props = widget.props as MVVMBuilderProps; 98 | 99 | if (!widget.props.disposeVM) { 100 | return ChangeNotifierProvider.value( 101 | value: _vm, 102 | child: Consumer( 103 | builder: (context, vm, _) => props.viewBuilder(context, vm), 104 | ), 105 | ); 106 | } 107 | 108 | return ChangeNotifierProvider( 109 | create: (_) => _vm, 110 | child: Consumer( 111 | builder: (context, vm, _) => props.viewBuilder(context, vm), 112 | ), 113 | ); 114 | } 115 | } 116 | -------------------------------------------------------------------------------- /lib/view_model.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | import 'models/index.dart'; 6 | 7 | class ViewModel extends ChangeNotifier { 8 | /// The context of the view. 9 | late BuildContext context; 10 | 11 | final _observablesSubcriptions = Map(); 12 | 13 | bool _disposed = false; 14 | bool get disposed => _disposed; 15 | 16 | /// A callback after the MVVM widget's initState is called. 17 | /// 18 | /// See also: 19 | /// 20 | /// * [onDependenciesChange], which is called when the MVVM widget's [didChangeDependencies] 21 | /// is called. 22 | void init() {} 23 | 24 | /// A callback when the MVVM widget's [didChangeDependencies] is called. 25 | /// 26 | /// For example, when `context.fetch(listen: true/false)` is used within the view model, 27 | /// then the [onDependenciesChange] method will be called every time these dependencies change. 28 | void onDependenciesChange() {} 29 | 30 | /// A callback when the `build` method of the view is called. 31 | void onBuild() {} 32 | 33 | /// A callback when the view is mounted. 34 | void onMount() {} 35 | 36 | /// A callback when the view is unmounted 37 | void onUnmount() {} 38 | 39 | /// A callback when the application is visible and responding 40 | /// to user input. 41 | void onResume() {} 42 | 43 | /// A callback when the application is not currently visible to 44 | /// the user, not responding to user input, and running in the background. 45 | void onPause() {} 46 | 47 | /// A callback when the application is in an inactive state 48 | /// and is not receiving user input. 49 | /// 50 | /// For `IOS` only. 51 | void onInactive() {} 52 | 53 | /// A callback when the application is still hosted on a flutter engine 54 | /// but is detached from any host views. 55 | /// 56 | /// For `Android` only. 57 | void onDetach() {} 58 | 59 | /// Listen to observables changes and call [notifyListeners] when a new value 60 | /// is added to the stream. 61 | /// 62 | /// @param [reset] - whether to reset all the existing observables' listeners 63 | /// before adding the new ones. 64 | void observe(List observables, {bool reset = true}) { 65 | if (reset) clearAllObservers(); 66 | 67 | observables.forEach((observable) { 68 | final subscription = observable.stream.listen((_) => notifyListeners()); 69 | 70 | _observablesSubcriptions[observable] = subscription; 71 | }); 72 | } 73 | 74 | /// Stop listening to specific observables 75 | void unobserve(List observables) { 76 | observables.forEach((observable) { 77 | final subscription = _observablesSubcriptions[observable]; 78 | 79 | subscription?.cancel(); 80 | 81 | _observablesSubcriptions.remove(observable); 82 | }); 83 | } 84 | 85 | /// Stop listening to all observables 86 | void clearAllObservers() { 87 | _observablesSubcriptions.forEach((_, subscription) { 88 | subscription.cancel(); 89 | }); 90 | 91 | _observablesSubcriptions.clear(); 92 | } 93 | 94 | @override 95 | void notifyListeners() { 96 | if (!disposed) { 97 | super.notifyListeners(); 98 | } 99 | } 100 | 101 | @override 102 | void dispose() { 103 | _disposed = true; 104 | clearAllObservers(); 105 | super.dispose(); 106 | } 107 | } 108 | -------------------------------------------------------------------------------- /example/windows/runner/Runner.rc: -------------------------------------------------------------------------------- 1 | // Microsoft Visual C++ generated resource script. 2 | // 3 | #pragma code_page(65001) 4 | #include "resource.h" 5 | 6 | #define APSTUDIO_READONLY_SYMBOLS 7 | ///////////////////////////////////////////////////////////////////////////// 8 | // 9 | // Generated from the TEXTINCLUDE 2 resource. 10 | // 11 | #include "winres.h" 12 | 13 | ///////////////////////////////////////////////////////////////////////////// 14 | #undef APSTUDIO_READONLY_SYMBOLS 15 | 16 | ///////////////////////////////////////////////////////////////////////////// 17 | // English (United States) resources 18 | 19 | #if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) 20 | LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US 21 | 22 | #ifdef APSTUDIO_INVOKED 23 | ///////////////////////////////////////////////////////////////////////////// 24 | // 25 | // TEXTINCLUDE 26 | // 27 | 28 | 1 TEXTINCLUDE 29 | BEGIN 30 | "resource.h\0" 31 | END 32 | 33 | 2 TEXTINCLUDE 34 | BEGIN 35 | "#include ""winres.h""\r\n" 36 | "\0" 37 | END 38 | 39 | 3 TEXTINCLUDE 40 | BEGIN 41 | "\r\n" 42 | "\0" 43 | END 44 | 45 | #endif // APSTUDIO_INVOKED 46 | 47 | 48 | ///////////////////////////////////////////////////////////////////////////// 49 | // 50 | // Icon 51 | // 52 | 53 | // Icon with lowest ID value placed first to ensure application icon 54 | // remains consistent on all systems. 55 | IDI_APP_ICON ICON "resources\\app_icon.ico" 56 | 57 | 58 | ///////////////////////////////////////////////////////////////////////////// 59 | // 60 | // Version 61 | // 62 | 63 | #ifdef FLUTTER_BUILD_NUMBER 64 | #define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER 65 | #else 66 | #define VERSION_AS_NUMBER 1,0,0 67 | #endif 68 | 69 | #ifdef FLUTTER_BUILD_NAME 70 | #define VERSION_AS_STRING #FLUTTER_BUILD_NAME 71 | #else 72 | #define VERSION_AS_STRING "1.0.0" 73 | #endif 74 | 75 | VS_VERSION_INFO VERSIONINFO 76 | FILEVERSION VERSION_AS_NUMBER 77 | PRODUCTVERSION VERSION_AS_NUMBER 78 | FILEFLAGSMASK VS_FFI_FILEFLAGSMASK 79 | #ifdef _DEBUG 80 | FILEFLAGS VS_FF_DEBUG 81 | #else 82 | FILEFLAGS 0x0L 83 | #endif 84 | FILEOS VOS__WINDOWS32 85 | FILETYPE VFT_APP 86 | FILESUBTYPE 0x0L 87 | BEGIN 88 | BLOCK "StringFileInfo" 89 | BEGIN 90 | BLOCK "040904e4" 91 | BEGIN 92 | VALUE "CompanyName", "com.example" "\0" 93 | VALUE "FileDescription", "example" "\0" 94 | VALUE "FileVersion", VERSION_AS_STRING "\0" 95 | VALUE "InternalName", "example" "\0" 96 | VALUE "LegalCopyright", "Copyright (C) 2022 com.example. All rights reserved." "\0" 97 | VALUE "OriginalFilename", "example.exe" "\0" 98 | VALUE "ProductName", "example" "\0" 99 | VALUE "ProductVersion", VERSION_AS_STRING "\0" 100 | END 101 | END 102 | BLOCK "VarFileInfo" 103 | BEGIN 104 | VALUE "Translation", 0x409, 1252 105 | END 106 | END 107 | 108 | #endif // English (United States) resources 109 | ///////////////////////////////////////////////////////////////////////////// 110 | 111 | 112 | 113 | #ifndef APSTUDIO_INVOKED 114 | ///////////////////////////////////////////////////////////////////////////// 115 | // 116 | // Generated from the TEXTINCLUDE 3 resource. 117 | // 118 | 119 | 120 | ///////////////////////////////////////////////////////////////////////////// 121 | #endif // not APSTUDIO_INVOKED 122 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 41 | 42 | 52 | 54 | 60 | 61 | 62 | 63 | 69 | 71 | 77 | 78 | 79 | 80 | 82 | 83 | 86 | 87 | 88 | -------------------------------------------------------------------------------- /example/windows/runner/win32_window.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_WIN32_WINDOW_H_ 2 | #define RUNNER_WIN32_WINDOW_H_ 3 | 4 | #include 5 | 6 | #include 7 | #include 8 | #include 9 | 10 | // A class abstraction for a high DPI-aware Win32 Window. Intended to be 11 | // inherited from by classes that wish to specialize with custom 12 | // rendering and input handling 13 | class Win32Window { 14 | public: 15 | struct Point { 16 | unsigned int x; 17 | unsigned int y; 18 | Point(unsigned int x, unsigned int y) : x(x), y(y) {} 19 | }; 20 | 21 | struct Size { 22 | unsigned int width; 23 | unsigned int height; 24 | Size(unsigned int width, unsigned int height) 25 | : width(width), height(height) {} 26 | }; 27 | 28 | Win32Window(); 29 | virtual ~Win32Window(); 30 | 31 | // Creates and shows a win32 window with |title| and position and size using 32 | // |origin| and |size|. New windows are created on the default monitor. Window 33 | // sizes are specified to the OS in physical pixels, hence to ensure a 34 | // consistent size to will treat the width height passed in to this function 35 | // as logical pixels and scale to appropriate for the default monitor. Returns 36 | // true if the window was created successfully. 37 | bool CreateAndShow(const std::wstring& title, 38 | const Point& origin, 39 | const Size& size); 40 | 41 | // Release OS resources associated with window. 42 | void Destroy(); 43 | 44 | // Inserts |content| into the window tree. 45 | void SetChildContent(HWND content); 46 | 47 | // Returns the backing Window handle to enable clients to set icon and other 48 | // window properties. Returns nullptr if the window has been destroyed. 49 | HWND GetHandle(); 50 | 51 | // If true, closing this window will quit the application. 52 | void SetQuitOnClose(bool quit_on_close); 53 | 54 | // Return a RECT representing the bounds of the current client area. 55 | RECT GetClientArea(); 56 | 57 | protected: 58 | // Processes and route salient window messages for mouse handling, 59 | // size change and DPI. Delegates handling of these to member overloads that 60 | // inheriting classes can handle. 61 | virtual LRESULT MessageHandler(HWND window, 62 | UINT const message, 63 | WPARAM const wparam, 64 | LPARAM const lparam) noexcept; 65 | 66 | // Called when CreateAndShow is called, allowing subclass window-related 67 | // setup. Subclasses should return false if setup fails. 68 | virtual bool OnCreate(); 69 | 70 | // Called when Destroy is called. 71 | virtual void OnDestroy(); 72 | 73 | private: 74 | friend class WindowClassRegistrar; 75 | 76 | // OS callback called by message pump. Handles the WM_NCCREATE message which 77 | // is passed when the non-client area is being created and enables automatic 78 | // non-client DPI scaling so that the non-client area automatically 79 | // responsponds to changes in DPI. All other messages are handled by 80 | // MessageHandler. 81 | static LRESULT CALLBACK WndProc(HWND const window, 82 | UINT const message, 83 | WPARAM const wparam, 84 | LPARAM const lparam) noexcept; 85 | 86 | // Retrieves a class instance pointer for |window| 87 | static Win32Window* GetThisFromHandle(HWND const window) noexcept; 88 | 89 | bool quit_on_close_ = false; 90 | 91 | // window handle for top level window. 92 | HWND window_handle_ = nullptr; 93 | 94 | // window handle for hosted content. 95 | HWND child_content_ = nullptr; 96 | }; 97 | 98 | #endif // RUNNER_WIN32_WINDOW_H_ 99 | -------------------------------------------------------------------------------- /example/windows/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.14) 2 | project(example LANGUAGES CXX) 3 | 4 | set(BINARY_NAME "example") 5 | 6 | cmake_policy(SET CMP0063 NEW) 7 | 8 | set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") 9 | 10 | # Configure build options. 11 | get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) 12 | if(IS_MULTICONFIG) 13 | set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" 14 | CACHE STRING "" FORCE) 15 | else() 16 | if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) 17 | set(CMAKE_BUILD_TYPE "Debug" CACHE 18 | STRING "Flutter build mode" FORCE) 19 | set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS 20 | "Debug" "Profile" "Release") 21 | endif() 22 | endif() 23 | 24 | set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") 25 | set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}") 26 | set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}") 27 | set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}") 28 | 29 | # Use Unicode for all projects. 30 | add_definitions(-DUNICODE -D_UNICODE) 31 | 32 | # Compilation settings that should be applied to most targets. 33 | function(APPLY_STANDARD_SETTINGS TARGET) 34 | target_compile_features(${TARGET} PUBLIC cxx_std_17) 35 | target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100") 36 | target_compile_options(${TARGET} PRIVATE /EHsc) 37 | target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0") 38 | target_compile_definitions(${TARGET} PRIVATE "$<$:_DEBUG>") 39 | endfunction() 40 | 41 | set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") 42 | 43 | # Flutter library and tool build rules. 44 | add_subdirectory(${FLUTTER_MANAGED_DIR}) 45 | 46 | # Application build 47 | add_subdirectory("runner") 48 | 49 | # Generated plugin build rules, which manage building the plugins and adding 50 | # them to the application. 51 | include(flutter/generated_plugins.cmake) 52 | 53 | 54 | # === Installation === 55 | # Support files are copied into place next to the executable, so that it can 56 | # run in place. This is done instead of making a separate bundle (as on Linux) 57 | # so that building and running from within Visual Studio will work. 58 | set(BUILD_BUNDLE_DIR "$") 59 | # Make the "install" step default, as it's required to run. 60 | set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) 61 | if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) 62 | set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) 63 | endif() 64 | 65 | set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") 66 | set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") 67 | 68 | install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" 69 | COMPONENT Runtime) 70 | 71 | install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 72 | COMPONENT Runtime) 73 | 74 | install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 75 | COMPONENT Runtime) 76 | 77 | if(PLUGIN_BUNDLED_LIBRARIES) 78 | install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" 79 | DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 80 | COMPONENT Runtime) 81 | endif() 82 | 83 | # Fully re-copy the assets directory on each build to avoid having stale files 84 | # from a previous install. 85 | set(FLUTTER_ASSET_DIR_NAME "flutter_assets") 86 | install(CODE " 87 | file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") 88 | " COMPONENT Runtime) 89 | install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" 90 | DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) 91 | 92 | # Install the AOT library on non-Debug builds only. 93 | install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 94 | CONFIGURATIONS Profile;Release 95 | COMPONENT Runtime) 96 | -------------------------------------------------------------------------------- /example/windows/flutter/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.14) 2 | 3 | set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") 4 | 5 | # Configuration provided via flutter tool. 6 | include(${EPHEMERAL_DIR}/generated_config.cmake) 7 | 8 | # TODO: Move the rest of this into files in ephemeral. See 9 | # https://github.com/flutter/flutter/issues/57146. 10 | set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") 11 | 12 | # === Flutter Library === 13 | set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") 14 | 15 | # Published to parent scope for install step. 16 | set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) 17 | set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) 18 | set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) 19 | set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) 20 | 21 | list(APPEND FLUTTER_LIBRARY_HEADERS 22 | "flutter_export.h" 23 | "flutter_windows.h" 24 | "flutter_messenger.h" 25 | "flutter_plugin_registrar.h" 26 | "flutter_texture_registrar.h" 27 | ) 28 | list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") 29 | add_library(flutter INTERFACE) 30 | target_include_directories(flutter INTERFACE 31 | "${EPHEMERAL_DIR}" 32 | ) 33 | target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") 34 | add_dependencies(flutter flutter_assemble) 35 | 36 | # === Wrapper === 37 | list(APPEND CPP_WRAPPER_SOURCES_CORE 38 | "core_implementations.cc" 39 | "standard_codec.cc" 40 | ) 41 | list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") 42 | list(APPEND CPP_WRAPPER_SOURCES_PLUGIN 43 | "plugin_registrar.cc" 44 | ) 45 | list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") 46 | list(APPEND CPP_WRAPPER_SOURCES_APP 47 | "flutter_engine.cc" 48 | "flutter_view_controller.cc" 49 | ) 50 | list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") 51 | 52 | # Wrapper sources needed for a plugin. 53 | add_library(flutter_wrapper_plugin STATIC 54 | ${CPP_WRAPPER_SOURCES_CORE} 55 | ${CPP_WRAPPER_SOURCES_PLUGIN} 56 | ) 57 | apply_standard_settings(flutter_wrapper_plugin) 58 | set_target_properties(flutter_wrapper_plugin PROPERTIES 59 | POSITION_INDEPENDENT_CODE ON) 60 | set_target_properties(flutter_wrapper_plugin PROPERTIES 61 | CXX_VISIBILITY_PRESET hidden) 62 | target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) 63 | target_include_directories(flutter_wrapper_plugin PUBLIC 64 | "${WRAPPER_ROOT}/include" 65 | ) 66 | add_dependencies(flutter_wrapper_plugin flutter_assemble) 67 | 68 | # Wrapper sources needed for the runner. 69 | add_library(flutter_wrapper_app STATIC 70 | ${CPP_WRAPPER_SOURCES_CORE} 71 | ${CPP_WRAPPER_SOURCES_APP} 72 | ) 73 | apply_standard_settings(flutter_wrapper_app) 74 | target_link_libraries(flutter_wrapper_app PUBLIC flutter) 75 | target_include_directories(flutter_wrapper_app PUBLIC 76 | "${WRAPPER_ROOT}/include" 77 | ) 78 | add_dependencies(flutter_wrapper_app flutter_assemble) 79 | 80 | # === Flutter tool backend === 81 | # _phony_ is a non-existent file to force this command to run every time, 82 | # since currently there's no way to get a full input/output list from the 83 | # flutter tool. 84 | set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") 85 | set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) 86 | add_custom_command( 87 | OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} 88 | ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} 89 | ${CPP_WRAPPER_SOURCES_APP} 90 | ${PHONY_OUTPUT} 91 | COMMAND ${CMAKE_COMMAND} -E env 92 | ${FLUTTER_TOOL_ENVIRONMENT} 93 | "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" 94 | windows-x64 $ 95 | VERBATIM 96 | ) 97 | add_custom_target(flutter_assemble DEPENDS 98 | "${FLUTTER_LIBRARY}" 99 | ${FLUTTER_LIBRARY_HEADERS} 100 | ${CPP_WRAPPER_SOURCES_CORE} 101 | ${CPP_WRAPPER_SOURCES_PLUGIN} 102 | ${CPP_WRAPPER_SOURCES_APP} 103 | ) 104 | -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: example 2 | description: A new Flutter project. 3 | 4 | # The following line prevents the package from being accidentally published to 5 | # pub.dev using `flutter pub publish`. This is preferred for private packages. 6 | publish_to: "none" # Remove this line if you wish to publish to pub.dev 7 | 8 | # The following defines the version and build number for your application. 9 | # A version number is three numbers separated by dots, like 1.2.43 10 | # followed by an optional build number separated by a +. 11 | # Both the version and the builder number may be overridden in flutter 12 | # build by specifying --build-name and --build-number, respectively. 13 | # In Android, build-name is used as versionName while build-number used as versionCode. 14 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 15 | # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. 16 | # Read more about iOS versioning at 17 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 18 | version: 1.0.0+1 19 | 20 | environment: 21 | sdk: ">=2.16.1 <3.0.0" 22 | 23 | # Dependencies specify other packages that your package needs in order to work. 24 | # To automatically upgrade your package dependencies to the latest versions 25 | # consider running `flutter pub upgrade --major-versions`. Alternatively, 26 | # dependencies can be manually updated by changing the version numbers below to 27 | # the latest version available on pub.dev. To see which dependencies have newer 28 | # versions available, run `flutter pub outdated`. 29 | dependencies: 30 | pmvvm: 31 | path: ../ 32 | flutter: 33 | sdk: flutter 34 | 35 | # The following adds the Cupertino Icons font to your application. 36 | # Use with the CupertinoIcons class for iOS style icons. 37 | cupertino_icons: ^1.0.2 38 | 39 | dev_dependencies: 40 | flutter_test: 41 | sdk: flutter 42 | 43 | # The "flutter_lints" package below contains a set of recommended lints to 44 | # encourage good coding practices. The lint set provided by the package is 45 | # activated in the `analysis_options.yaml` file located at the root of your 46 | # package. See that file for information about deactivating specific lint 47 | # rules and activating additional ones. 48 | flutter_lints: ^1.0.0 49 | 50 | # For information on the generic Dart part of this file, see the 51 | # following page: https://dart.dev/tools/pub/pubspec 52 | 53 | # The following section is specific to Flutter. 54 | flutter: 55 | # The following line ensures that the Material Icons font is 56 | # included with your application, so that you can use the icons in 57 | # the material Icons class. 58 | uses-material-design: true 59 | 60 | # To add assets to your application, add an assets section, like this: 61 | # assets: 62 | # - images/a_dot_burr.jpeg 63 | # - images/a_dot_ham.jpeg 64 | 65 | # An image asset can refer to one or more resolution-specific "variants", see 66 | # https://flutter.dev/assets-and-images/#resolution-aware. 67 | 68 | # For details regarding adding assets from package dependencies, see 69 | # https://flutter.dev/assets-and-images/#from-packages 70 | 71 | # To add custom fonts to your application, add a fonts section here, 72 | # in this "flutter" section. Each entry in this list should have a 73 | # "family" key with the font family name, and a "fonts" key with a 74 | # list giving the asset and other descriptors for the font. For 75 | # example: 76 | # fonts: 77 | # - family: Schyler 78 | # fonts: 79 | # - asset: fonts/Schyler-Regular.ttf 80 | # - asset: fonts/Schyler-Italic.ttf 81 | # style: italic 82 | # - family: Trajan Pro 83 | # fonts: 84 | # - asset: fonts/TrajanPro.ttf 85 | # - asset: fonts/TrajanPro_Bold.ttf 86 | # weight: 700 87 | # 88 | # For details regarding fonts from package dependencies, 89 | # see https://flutter.dev/custom-fonts/#from-packages 90 | -------------------------------------------------------------------------------- /example/web/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | example 33 | 34 | 35 | 36 | 39 | 103 | 104 | 105 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.8.2" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.1.0" 18 | characters: 19 | dependency: transitive 20 | description: 21 | name: characters 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.2.0" 25 | charcode: 26 | dependency: transitive 27 | description: 28 | name: charcode 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.3.1" 32 | clock: 33 | dependency: transitive 34 | description: 35 | name: clock 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.0" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.15.0" 46 | effective_dart: 47 | dependency: "direct dev" 48 | description: 49 | name: effective_dart 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "1.3.2" 53 | fake_async: 54 | dependency: transitive 55 | description: 56 | name: fake_async 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "1.2.0" 60 | flutter: 61 | dependency: "direct main" 62 | description: flutter 63 | source: sdk 64 | version: "0.0.0" 65 | flutter_hooks: 66 | dependency: "direct main" 67 | description: 68 | name: flutter_hooks 69 | url: "https://pub.dartlang.org" 70 | source: hosted 71 | version: "0.18.3" 72 | flutter_test: 73 | dependency: "direct dev" 74 | description: flutter 75 | source: sdk 76 | version: "0.0.0" 77 | matcher: 78 | dependency: transitive 79 | description: 80 | name: matcher 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "0.12.11" 84 | material_color_utilities: 85 | dependency: transitive 86 | description: 87 | name: material_color_utilities 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "0.1.3" 91 | meta: 92 | dependency: transitive 93 | description: 94 | name: meta 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "1.7.0" 98 | nested: 99 | dependency: transitive 100 | description: 101 | name: nested 102 | url: "https://pub.dartlang.org" 103 | source: hosted 104 | version: "1.0.0" 105 | path: 106 | dependency: transitive 107 | description: 108 | name: path 109 | url: "https://pub.dartlang.org" 110 | source: hosted 111 | version: "1.8.0" 112 | provider: 113 | dependency: "direct main" 114 | description: 115 | name: provider 116 | url: "https://pub.dartlang.org" 117 | source: hosted 118 | version: "6.0.2" 119 | sky_engine: 120 | dependency: transitive 121 | description: flutter 122 | source: sdk 123 | version: "0.0.99" 124 | source_span: 125 | dependency: transitive 126 | description: 127 | name: source_span 128 | url: "https://pub.dartlang.org" 129 | source: hosted 130 | version: "1.8.1" 131 | stack_trace: 132 | dependency: transitive 133 | description: 134 | name: stack_trace 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.10.0" 138 | stream_channel: 139 | dependency: transitive 140 | description: 141 | name: stream_channel 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "2.1.0" 145 | string_scanner: 146 | dependency: transitive 147 | description: 148 | name: string_scanner 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "1.1.0" 152 | term_glyph: 153 | dependency: transitive 154 | description: 155 | name: term_glyph 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "1.2.0" 159 | test_api: 160 | dependency: transitive 161 | description: 162 | name: test_api 163 | url: "https://pub.dartlang.org" 164 | source: hosted 165 | version: "0.4.8" 166 | tint: 167 | dependency: "direct main" 168 | description: 169 | name: tint 170 | url: "https://pub.dartlang.org" 171 | source: hosted 172 | version: "2.0.0" 173 | typed_data: 174 | dependency: transitive 175 | description: 176 | name: typed_data 177 | url: "https://pub.dartlang.org" 178 | source: hosted 179 | version: "1.3.0" 180 | vector_math: 181 | dependency: transitive 182 | description: 183 | name: vector_math 184 | url: "https://pub.dartlang.org" 185 | source: hosted 186 | version: "2.1.1" 187 | sdks: 188 | dart: ">=2.14.0 <3.0.0" 189 | flutter: ">=1.20.0" 190 | -------------------------------------------------------------------------------- /example/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.8.2" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.1.0" 18 | characters: 19 | dependency: transitive 20 | description: 21 | name: characters 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.2.0" 25 | charcode: 26 | dependency: transitive 27 | description: 28 | name: charcode 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.3.1" 32 | clock: 33 | dependency: transitive 34 | description: 35 | name: clock 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.0" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.15.0" 46 | cupertino_icons: 47 | dependency: "direct main" 48 | description: 49 | name: cupertino_icons 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "1.0.4" 53 | fake_async: 54 | dependency: transitive 55 | description: 56 | name: fake_async 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "1.2.0" 60 | flutter: 61 | dependency: "direct main" 62 | description: flutter 63 | source: sdk 64 | version: "0.0.0" 65 | flutter_hooks: 66 | dependency: transitive 67 | description: 68 | name: flutter_hooks 69 | url: "https://pub.dartlang.org" 70 | source: hosted 71 | version: "0.18.3" 72 | flutter_lints: 73 | dependency: "direct dev" 74 | description: 75 | name: flutter_lints 76 | url: "https://pub.dartlang.org" 77 | source: hosted 78 | version: "1.0.4" 79 | flutter_test: 80 | dependency: "direct dev" 81 | description: flutter 82 | source: sdk 83 | version: "0.0.0" 84 | lints: 85 | dependency: transitive 86 | description: 87 | name: lints 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "1.0.1" 91 | matcher: 92 | dependency: transitive 93 | description: 94 | name: matcher 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "0.12.11" 98 | material_color_utilities: 99 | dependency: transitive 100 | description: 101 | name: material_color_utilities 102 | url: "https://pub.dartlang.org" 103 | source: hosted 104 | version: "0.1.3" 105 | meta: 106 | dependency: transitive 107 | description: 108 | name: meta 109 | url: "https://pub.dartlang.org" 110 | source: hosted 111 | version: "1.7.0" 112 | nested: 113 | dependency: transitive 114 | description: 115 | name: nested 116 | url: "https://pub.dartlang.org" 117 | source: hosted 118 | version: "1.0.0" 119 | path: 120 | dependency: transitive 121 | description: 122 | name: path 123 | url: "https://pub.dartlang.org" 124 | source: hosted 125 | version: "1.8.0" 126 | pmvvm: 127 | dependency: "direct main" 128 | description: 129 | path: ".." 130 | relative: true 131 | source: path 132 | version: "4.0.0" 133 | provider: 134 | dependency: transitive 135 | description: 136 | name: provider 137 | url: "https://pub.dartlang.org" 138 | source: hosted 139 | version: "6.0.2" 140 | sky_engine: 141 | dependency: transitive 142 | description: flutter 143 | source: sdk 144 | version: "0.0.99" 145 | source_span: 146 | dependency: transitive 147 | description: 148 | name: source_span 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "1.8.1" 152 | stack_trace: 153 | dependency: transitive 154 | description: 155 | name: stack_trace 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "1.10.0" 159 | stream_channel: 160 | dependency: transitive 161 | description: 162 | name: stream_channel 163 | url: "https://pub.dartlang.org" 164 | source: hosted 165 | version: "2.1.0" 166 | string_scanner: 167 | dependency: transitive 168 | description: 169 | name: string_scanner 170 | url: "https://pub.dartlang.org" 171 | source: hosted 172 | version: "1.1.0" 173 | term_glyph: 174 | dependency: transitive 175 | description: 176 | name: term_glyph 177 | url: "https://pub.dartlang.org" 178 | source: hosted 179 | version: "1.2.0" 180 | test_api: 181 | dependency: transitive 182 | description: 183 | name: test_api 184 | url: "https://pub.dartlang.org" 185 | source: hosted 186 | version: "0.4.8" 187 | tint: 188 | dependency: transitive 189 | description: 190 | name: tint 191 | url: "https://pub.dartlang.org" 192 | source: hosted 193 | version: "2.0.0" 194 | typed_data: 195 | dependency: transitive 196 | description: 197 | name: typed_data 198 | url: "https://pub.dartlang.org" 199 | source: hosted 200 | version: "1.3.0" 201 | vector_math: 202 | dependency: transitive 203 | description: 204 | name: vector_math 205 | url: "https://pub.dartlang.org" 206 | source: hosted 207 | version: "2.1.1" 208 | sdks: 209 | dart: ">=2.16.1 <3.0.0" 210 | flutter: ">=1.20.0" 211 | -------------------------------------------------------------------------------- /example/windows/runner/win32_window.cpp: -------------------------------------------------------------------------------- 1 | #include "win32_window.h" 2 | 3 | #include 4 | 5 | #include "resource.h" 6 | 7 | namespace { 8 | 9 | constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; 10 | 11 | // The number of Win32Window objects that currently exist. 12 | static int g_active_window_count = 0; 13 | 14 | using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd); 15 | 16 | // Scale helper to convert logical scaler values to physical using passed in 17 | // scale factor 18 | int Scale(int source, double scale_factor) { 19 | return static_cast(source * scale_factor); 20 | } 21 | 22 | // Dynamically loads the |EnableNonClientDpiScaling| from the User32 module. 23 | // This API is only needed for PerMonitor V1 awareness mode. 24 | void EnableFullDpiSupportIfAvailable(HWND hwnd) { 25 | HMODULE user32_module = LoadLibraryA("User32.dll"); 26 | if (!user32_module) { 27 | return; 28 | } 29 | auto enable_non_client_dpi_scaling = 30 | reinterpret_cast( 31 | GetProcAddress(user32_module, "EnableNonClientDpiScaling")); 32 | if (enable_non_client_dpi_scaling != nullptr) { 33 | enable_non_client_dpi_scaling(hwnd); 34 | FreeLibrary(user32_module); 35 | } 36 | } 37 | 38 | } // namespace 39 | 40 | // Manages the Win32Window's window class registration. 41 | class WindowClassRegistrar { 42 | public: 43 | ~WindowClassRegistrar() = default; 44 | 45 | // Returns the singleton registar instance. 46 | static WindowClassRegistrar* GetInstance() { 47 | if (!instance_) { 48 | instance_ = new WindowClassRegistrar(); 49 | } 50 | return instance_; 51 | } 52 | 53 | // Returns the name of the window class, registering the class if it hasn't 54 | // previously been registered. 55 | const wchar_t* GetWindowClass(); 56 | 57 | // Unregisters the window class. Should only be called if there are no 58 | // instances of the window. 59 | void UnregisterWindowClass(); 60 | 61 | private: 62 | WindowClassRegistrar() = default; 63 | 64 | static WindowClassRegistrar* instance_; 65 | 66 | bool class_registered_ = false; 67 | }; 68 | 69 | WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr; 70 | 71 | const wchar_t* WindowClassRegistrar::GetWindowClass() { 72 | if (!class_registered_) { 73 | WNDCLASS window_class{}; 74 | window_class.hCursor = LoadCursor(nullptr, IDC_ARROW); 75 | window_class.lpszClassName = kWindowClassName; 76 | window_class.style = CS_HREDRAW | CS_VREDRAW; 77 | window_class.cbClsExtra = 0; 78 | window_class.cbWndExtra = 0; 79 | window_class.hInstance = GetModuleHandle(nullptr); 80 | window_class.hIcon = 81 | LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON)); 82 | window_class.hbrBackground = 0; 83 | window_class.lpszMenuName = nullptr; 84 | window_class.lpfnWndProc = Win32Window::WndProc; 85 | RegisterClass(&window_class); 86 | class_registered_ = true; 87 | } 88 | return kWindowClassName; 89 | } 90 | 91 | void WindowClassRegistrar::UnregisterWindowClass() { 92 | UnregisterClass(kWindowClassName, nullptr); 93 | class_registered_ = false; 94 | } 95 | 96 | Win32Window::Win32Window() { 97 | ++g_active_window_count; 98 | } 99 | 100 | Win32Window::~Win32Window() { 101 | --g_active_window_count; 102 | Destroy(); 103 | } 104 | 105 | bool Win32Window::CreateAndShow(const std::wstring& title, 106 | const Point& origin, 107 | const Size& size) { 108 | Destroy(); 109 | 110 | const wchar_t* window_class = 111 | WindowClassRegistrar::GetInstance()->GetWindowClass(); 112 | 113 | const POINT target_point = {static_cast(origin.x), 114 | static_cast(origin.y)}; 115 | HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST); 116 | UINT dpi = FlutterDesktopGetDpiForMonitor(monitor); 117 | double scale_factor = dpi / 96.0; 118 | 119 | HWND window = CreateWindow( 120 | window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE, 121 | Scale(origin.x, scale_factor), Scale(origin.y, scale_factor), 122 | Scale(size.width, scale_factor), Scale(size.height, scale_factor), 123 | nullptr, nullptr, GetModuleHandle(nullptr), this); 124 | 125 | if (!window) { 126 | return false; 127 | } 128 | 129 | return OnCreate(); 130 | } 131 | 132 | // static 133 | LRESULT CALLBACK Win32Window::WndProc(HWND const window, 134 | UINT const message, 135 | WPARAM const wparam, 136 | LPARAM const lparam) noexcept { 137 | if (message == WM_NCCREATE) { 138 | auto window_struct = reinterpret_cast(lparam); 139 | SetWindowLongPtr(window, GWLP_USERDATA, 140 | reinterpret_cast(window_struct->lpCreateParams)); 141 | 142 | auto that = static_cast(window_struct->lpCreateParams); 143 | EnableFullDpiSupportIfAvailable(window); 144 | that->window_handle_ = window; 145 | } else if (Win32Window* that = GetThisFromHandle(window)) { 146 | return that->MessageHandler(window, message, wparam, lparam); 147 | } 148 | 149 | return DefWindowProc(window, message, wparam, lparam); 150 | } 151 | 152 | LRESULT 153 | Win32Window::MessageHandler(HWND hwnd, 154 | UINT const message, 155 | WPARAM const wparam, 156 | LPARAM const lparam) noexcept { 157 | switch (message) { 158 | case WM_DESTROY: 159 | window_handle_ = nullptr; 160 | Destroy(); 161 | if (quit_on_close_) { 162 | PostQuitMessage(0); 163 | } 164 | return 0; 165 | 166 | case WM_DPICHANGED: { 167 | auto newRectSize = reinterpret_cast(lparam); 168 | LONG newWidth = newRectSize->right - newRectSize->left; 169 | LONG newHeight = newRectSize->bottom - newRectSize->top; 170 | 171 | SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth, 172 | newHeight, SWP_NOZORDER | SWP_NOACTIVATE); 173 | 174 | return 0; 175 | } 176 | case WM_SIZE: { 177 | RECT rect = GetClientArea(); 178 | if (child_content_ != nullptr) { 179 | // Size and position the child window. 180 | MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left, 181 | rect.bottom - rect.top, TRUE); 182 | } 183 | return 0; 184 | } 185 | 186 | case WM_ACTIVATE: 187 | if (child_content_ != nullptr) { 188 | SetFocus(child_content_); 189 | } 190 | return 0; 191 | } 192 | 193 | return DefWindowProc(window_handle_, message, wparam, lparam); 194 | } 195 | 196 | void Win32Window::Destroy() { 197 | OnDestroy(); 198 | 199 | if (window_handle_) { 200 | DestroyWindow(window_handle_); 201 | window_handle_ = nullptr; 202 | } 203 | if (g_active_window_count == 0) { 204 | WindowClassRegistrar::GetInstance()->UnregisterWindowClass(); 205 | } 206 | } 207 | 208 | Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept { 209 | return reinterpret_cast( 210 | GetWindowLongPtr(window, GWLP_USERDATA)); 211 | } 212 | 213 | void Win32Window::SetChildContent(HWND content) { 214 | child_content_ = content; 215 | SetParent(content, window_handle_); 216 | RECT frame = GetClientArea(); 217 | 218 | MoveWindow(content, frame.left, frame.top, frame.right - frame.left, 219 | frame.bottom - frame.top, true); 220 | 221 | SetFocus(child_content_); 222 | } 223 | 224 | RECT Win32Window::GetClientArea() { 225 | RECT frame; 226 | GetClientRect(window_handle_, &frame); 227 | return frame; 228 | } 229 | 230 | HWND Win32Window::GetHandle() { 231 | return window_handle_; 232 | } 233 | 234 | void Win32Window::SetQuitOnClose(bool quit_on_close) { 235 | quit_on_close_ = quit_on_close; 236 | } 237 | 238 | bool Win32Window::OnCreate() { 239 | // No-op; provided for subclasses. 240 | return true; 241 | } 242 | 243 | void Win32Window::OnDestroy() { 244 | // No-op; provided for subclasses. 245 | } 246 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 |

2 | 3 |

4 | 5 | PMVVM is a Flutter package for simple and scalable state management based on the MVVM pattern, it uses Provider & Hooks under the hood. PMVVM serves the same purpose BloC, but unlike BloC it doesn’t require too much boilerplate. 6 | 7 | It's worth mentioning that the package adopts some concepts from the Stacked package, but with a much simpler and cleaner approach. 8 | 9 | # How does it work ⚙️ 10 | 11 | Three major pieces are needed, everything else is up to you. These pieces are: 12 | 13 | ### **View** 14 | 15 | It represents the UI of the application devoid of any application logic. The view model sends notifications to the view to update the UI whenever the state changes. 16 | 17 | ### **ViewModel** 18 | 19 | Which holds the state and the events of the view. Additionally, It acts as a bridge between the model and the view. 20 | 21 | The view model is platform-independent and doesn't know its view. Therefore, it can be easily bound to a web, mobile, or desktop view. 22 | 23 | ### **Model** 24 | 25 | Holds app data and the business logic. It consists of the business logic (e.g. local and remote data sources, model classes, and repositories). They’re usually simple classes. 26 | 27 | **When should you use PMVVM?** 👌 28 | 29 | To keep it simple, use it whenever your widget has its own events that can mutate the state directly e.g: pages, posts, ...etc. 30 | 31 | # Usage 👨‍💻 32 | 33 | The best way to get to know PMVVM is to get your hands dirty and try it out. Let's look at the code: 34 | 35 | - Build your `ViewModel`. 36 | 37 | ```dart 38 | class MyViewModel extends ViewModel { 39 | int counter = 0; 40 | 41 | // Optional 42 | @override 43 | void init() { 44 | // It's called after the MVVM widget's initState is called 45 | } 46 | 47 | // Optional 48 | @override 49 | void onBuild() { 50 | // A callback when the `build` method of the view is called. 51 | } 52 | 53 | void increase() { 54 | counter++; 55 | notifyListeners(); 56 | } 57 | } 58 | ``` 59 | 60 | - You can also access the `context` inside the `ViewModel` directly. 61 | 62 | ```dart 63 | class MyViewModel extends ViewModel { 64 | @override 65 | void init() { 66 | var height = MediaQuery.of(context).size.height; 67 | } 68 | } 69 | ``` 70 | 71 | - Declare `MVVM` inside your builder. 72 | 73 | ```dart 74 | class MyWidget extends StatelessWidget { 75 | const MyWidget({Key key}) : super(key: key); 76 | 77 | @override 78 | Widget build(BuildContext context) { 79 | return MVVM( 80 | view: () => _MyView(), 81 | viewModel: MyViewModel(), 82 | ); 83 | } 84 | } 85 | ``` 86 | 87 | - Build your `View`. 88 | 89 | ```dart 90 | // StatelessView 91 | 92 | class _MyView extends StatelessView { 93 | /// Set [reactive] to [false] if you don't want the view to listen to the ViewModel. 94 | /// It's [true] by default. 95 | const _MyView({Key key}) : super(key: key, reactive: true); 96 | 97 | @override 98 | Widget render(context, vmodel) { 99 | return Column( 100 | mainAxisAlignment: MainAxisAlignment.center, 101 | crossAxisAlignment: CrossAxisAlignment.center, 102 | children: [ 103 | Text(vmodel.counter.toString()), 104 | SizedBox(height: 24), 105 | RaisedButton(onPressed: vmodel.increase, child: Text('Increase')), 106 | ], 107 | ); 108 | } 109 | 110 | // HookView 111 | 112 | class _MyView extends HookView { 113 | /// Set [reactive] to [false] if you don't want the view to listen to the ViewModel. 114 | /// It's [true] by default. 115 | const _MyView({Key key}) : super(key: key, reactive: true); 116 | 117 | @override 118 | Widget render(context, vmodel) { 119 | return Column( 120 | mainAxisAlignment: MainAxisAlignment.center, 121 | crossAxisAlignment: CrossAxisAlignment.center, 122 | children: [ 123 | Text(vmodel.counter.toString()), 124 | SizedBox(height: 24), 125 | RaisedButton(onPressed: vmodel.increase, child: Text('Increase')), 126 | ], 127 | ); 128 | } 129 | } 130 | ``` 131 | 132 | If your view is simple, you can use the `MVVVM.builder` instead: 133 | 134 | ```dart 135 | class MyWidget extends StatelessWidget { 136 | const MyWidget({Key key}) : super(key: key); 137 | 138 | @override 139 | Widget build(BuildContext context) { 140 | return MVVM.builder( 141 | viewModel: viewModel, 142 | viewBuilder: (_, vm) { 143 | return Text( 144 | vm.counter.toString(), 145 | textDirection: TextDirection.ltr, 146 | ); 147 | }, 148 | ); 149 | } 150 | } 151 | ``` 152 | # Advanced 🚀 153 | 154 | ## Immutability & Observability 🧐 155 | PMVVM supports immutability as well, it also allows you to observe the changes/actions applied to the variables through the `Observable` class. 156 | 157 | - First wrap your variable with the `Observable`: 158 | ```dart 159 | /// 'MyCounter' is an alias for the variable, this comes handy in logging 160 | final counter = Observable('MyCounter'); 161 | 162 | // Or 163 | 164 | final counter = Observable.initialized(0, 'MyCounter'); 165 | final counter = 0.observable('MyCounter'); 166 | ``` 167 | 168 | - Then apply actions to it: 169 | 170 | ```dart 171 | counter.setValue(counter.value + 1, action: 'INCREASE'); 172 | ``` 173 | 174 | - Lastly, start consuming this observable: 175 | 176 | ```dart 177 | /// NOTE: make sure that it's initialized before using the [value] getter 178 | /// by checking [counter.hasValue] or just use [counter.valueOrNull] or [counter.valueOrDefault] 179 | 180 | counter.value; 181 | 182 | counter.stream.listen((value) { }); 183 | ``` 184 | 185 | 186 | You can also make the view model `observe`, `unobserve` to any list of observables, or clear `clearAllObservers` 187 | 188 | ```dart 189 | class CounterPageVM extends ViewModel { 190 | final counter = 0.reactive('MyCounter'); 191 | 192 | @override 193 | void init() { 194 | observe([counter]); 195 | } 196 | 197 | void increase() { 198 | counter.setValue(counter.value + 1, action: 'INCREASE'); 199 | } 200 | } 201 | ``` 202 | 203 | **Note 📌** 204 | 205 | The `observe` method has an optional boolean parameter `reset` that clears all the previous observers before listening to the new observables. 206 | 207 | ### Observable API 208 | 209 | | Getter / Method | Description | 210 | | ------------------ | -------------------------------------------------------------------------- | 211 | | `value` | Returns the current value of the observable | 212 | | `valueOrNull` | Returns the current value or null if it's not initialized | 213 | | `prevValue` | Returns the previous value from `history` if it exists | 214 | | `hasValue` | Checks whether the observable is initialized or not | 215 | | `history` | Returns a history of all actions applied to the observable | 216 | | `stream` | Returns a stream for the observable values | 217 | | `valueOrDefault` | A method that returns the current value or default if it's not initialized | 218 | | `setValue` | A method to change the current value of the observable | 219 | | `log` | A method that allows changing the shape of the logs | 220 | | `clearHistory` | Remove all stored actions | 221 | | `resetLogCallback` | To clear the custom log functions. | 222 | 223 | ## Patterns 🧩 224 | 225 | In this section Let's discuss some patterns that can help your view model to access your widget properties: 226 | 227 | - **Naive approach:** Using cascade notation to initialize your view model with the widget properties. The problem with this approach is that your view model becomes non-reactive when the widget's dependencies (properties) are updated. 228 | 229 | ```dart 230 | class MyWidget extends StatelessWidget { 231 | const MyWidget({Key key, this.varName}) : super(key: key); 232 | 233 | final String varName; 234 | 235 | @override 236 | Widget build(BuildContext context) { 237 | return MVVM( 238 | view: () => _MyView(), 239 | viewModel: MyViewModel()..varName = varName, 240 | ); 241 | } 242 | } 243 | ``` 244 | 245 | - **Clean approach:** similar to ReactJS, you should create a properties class, in which all your widget properties are kept. 246 | 247 | `my_widget.props.dart` 248 | 249 | ```dart 250 | class MyWidgetProps { 251 | MyWidgetProps({required this.name}); 252 | 253 | final String name; 254 | } 255 | ``` 256 | 257 | `my_widget.vm.dart` 258 | 259 | ```dart 260 | class MyWidgetVM extends ViewModel { 261 | late MyWidgetProps props; 262 | 263 | @override 264 | void init() { 265 | props = context.fetch(); 266 | } 267 | } 268 | ``` 269 | 270 | `my_widget.view.dart` 271 | 272 | ```dart 273 | class MyWidget extends StatelessWidget { 274 | MyWidget({ 275 | Key? key, 276 | required String name, 277 | }) : props = MyWidgetProps(name: name), 278 | super(key: key); 279 | 280 | final MyWidgetProps props; 281 | 282 | Widget build(context) { 283 | return Provider.value( 284 | value: props, 285 | child: MVVM( 286 | view: () => _MyWidgetView(), 287 | viewModel: MyWidgetVM(), 288 | ), 289 | ); 290 | } 291 | } 292 | ``` 293 | 294 | # More about PMVVM🎯 295 | 296 | - You can use `context.fetch(listen: true/false)` which is equivalent to `Provider.of(context)` 297 | - You can use the `PMVVMConfig` to control `enableLogging` and `trackObservablesHistory`. If `trackObservablesHistory` is false, the observables won't store the history of the actions applied to them. 298 | - To make the view ignore the state notifications from the `ViewModel` , set `reactive` to `false` when you are constructing the `StatelessView` or `HookView` : 299 | 300 | ```dart 301 | class _MyView extends StatelessView { 302 | const _MyView({Key key}) : super(key: key, reactive: false); 303 | .... 304 | } 305 | ``` 306 | 307 | - `ViewModel` Lifecycle methods **(All of them are optional)** 308 | 309 | ```dart 310 | /// A callback after the MVVM widget's initState is called. 311 | /// 312 | /// See also: 313 | /// 314 | /// * [onDependenciesChange], which is called when the MVVM widget's [didChangeDependencies] 315 | /// is called. 316 | void init() {} 317 | 318 | /// A callback when the MVVM widget's [didChangeDependencies] is called. 319 | /// 320 | /// For example, when `context.fetch(listen: true/false)` is used within the view model, 321 | /// then the [onDependenciesChange] method will be called every time these dependencies change. 322 | void onDependenciesChange() {} 323 | 324 | /// A callback when the `build` method of the view is called. 325 | void onBuild() {} 326 | 327 | /// A callback when the view is mounted. 328 | void onMount() {} 329 | 330 | /// A callback when the view is unmounted 331 | void onUnmount() {} 332 | 333 | /// Event callback when the application is visible and responding to user input. 334 | void onResume() {} 335 | 336 | /// Event callback when the application is not currently visible to the user, not responding to 337 | /// user input, and running in the background. 338 | void onPause() {} 339 | 340 | /// Event callback when the application is in an inactive state and is not receiving user input. 341 | /// 342 | /// For [IOS] only. 343 | void onInactive() {} 344 | 345 | /// Event callback when the application is still hosted on a flutter engine but 346 | /// is detached from any host views. 347 | /// 348 | /// For [Android] only. 349 | void onDetach() {} 350 | ``` 351 | 352 | # FAQ 🤔 353 | 354 | - Can I use it in production? 355 | - Yep! It's stable and ready to rock 356 | - What is the difference between `Stacked` & `PMVVM` since both adopt the same principles? 357 | 358 | | **Stacked** | **PMVVM** | 359 | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | 360 | | You can't access the `BuildContext` from the `ViewModel`. | `BuildContext` can be accessed inside the `ViewModel` using:
- `Provider.of(context)`
- `context.watch()`
- `context.read()`
- `context.select(R cb(T value))` | 361 | | You should implement the `Initialisable` interface to call `initialise`. | `init` event is called by default, all you need to do is to override it (optional). | 362 | | There is no `build` method in the `ViewModel`. | `onBuild` method is called by default every time the `View` is rebuilt, and you can override it to implement yours (optional). | 363 | | It over-wraps `provider` with many `ViewModels` like `FutureViewModel`, `StreamViewModel`, …etc. Which `provider` & `flutter_hooks` are built to do without any wrapping. | It doesn’t over-wrap `provider` package with such classes. Instead, you can use `StreamProvider/FutureProvider` or `Hooks` which gives you the flexibility to make the most out of `provider` & `flutter_hooks`. | 364 | 365 | In summary, PMVVM is simpler & cleaner, there is no over-wrapping, and idioms are more clear. 366 | 367 | # Dependencies 📦 368 | 369 | - `provider` 370 | - `flutter_hooks` 371 | - `tint` 372 | 373 |

Made with :heart:

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