Refact. Build flutter web (#7472)

* Refact. Build flutter web

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* Refact. Flutter web, wrap Platform.xx

Signed-off-by: fufesou <shuanglongchen@yeah.net>

---------

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/models/desktop_render_texture.dart

@@ -3,11 +3,13 @@ import 'package:flutter_gpu_texture_renderer/flutter_gpu_texture_renderer.dart';
 import 'package:flutter_hbb/consts.dart';
 import 'package:flutter_hbb/models/model.dart';
 import 'package:get/get.dart';
-import 'package:texture_rgba_renderer/texture_rgba_renderer.dart';
 
 import '../../common.dart';
 import './platform_model.dart';
 
+import 'package:texture_rgba_renderer/texture_rgba_renderer.dart'
+    if (dart.library.html) 'package:flutter_hbb/web/texture_rgba_renderer.dart';
+
 // Feature flutter_texture_render need to be enabled if feature gpucodec is enabled.
 final useTextureRender =
     bind.mainHasPixelbufferTextureRender() || bind.mainHasGpuTextureRender();

flutter/lib/models/model.dart

@@ -9,7 +9,6 @@ import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_hbb/consts.dart';
-import 'package:flutter_hbb/generated_bridge.dart';
 import 'package:flutter_hbb/models/ab_model.dart';
 import 'package:flutter_hbb/models/chat_model.dart';
 import 'package:flutter_hbb/models/cm_file_model.dart';
@@ -39,6 +38,9 @@ import '../common/widgets/dialog.dart';
 import 'input_model.dart';
 import 'platform_model.dart';
 
+import 'package:flutter_hbb/generated_bridge.dart'
+    if (dart.library.html) 'package:flutter_hbb/web/bridge.dart';
+
 typedef HandleMsgBox = Function(Map<String, dynamic> evt, String id);
 typedef ReconnectHandle = Function(OverlayDialogManager, SessionID, bool);
 final _constSessionId = Uuid().v4obj();

flutter/lib/models/platform_model.dart

@@ -1,5 +1,6 @@
-import 'package:flutter_hbb/generated_bridge.dart';
 import 'native_model.dart' if (dart.library.html) 'web_model.dart';
+import 'package:flutter_hbb/generated_bridge.dart'
+    if (dart.library.html) 'package:flutter_hbb/web/bridge.dart';
 
 final platformFFI = PlatformFFI.instance;
 final localeName = PlatformFFI.localeName;

flutter/lib/models/web_model.dart

@@ -3,15 +3,23 @@
 import 'dart:convert';
 import 'dart:typed_data';
 import 'dart:js';
-
-import '../common.dart';
 import 'dart:html';
 import 'dart:async';
 
+import 'package:flutter/foundation.dart';
+
+import 'package:flutter_hbb/web/bridge.dart';
+import 'package:flutter_hbb/common.dart';
+
 final List<StreamSubscription<MouseEvent>> mouseListeners = [];
 final List<StreamSubscription<KeyboardEvent>> keyListeners = [];
 
+typedef HandleEvent = Future<void> Function(Map<String, dynamic> evt);
+
 class PlatformFFI {
+  final _eventHandlers = <String, Map<String, HandleEvent>>{};
+  late RustdeskImpl _ffiBind;
+
   static String getByName(String name, [String arg = '']) {
     return context.callMethod('getByName', [name, arg]);
   }
@@ -24,15 +32,78 @@ class PlatformFFI {
   static final PlatformFFI instance = PlatformFFI._();
 
   static get localeName => window.navigator.language;
+  RustdeskImpl get ffiBind => _ffiBind;
 
-  static Future<void> init(String appType) async {
-    isWeb = true;
+  static Future<String> getVersion() async {
+    throw UnimplementedError();
+  }
+
+  bool registerEventHandler(
+      String eventName, String handlerName, HandleEvent handler) {
+    debugPrint('registerEventHandler $eventName $handlerName');
+    var handlers = _eventHandlers[eventName];
+    if (handlers == null) {
+      _eventHandlers[eventName] = {handlerName: handler};
+      return true;
+    } else {
+      if (handlers.containsKey(handlerName)) {
+        return false;
+      } else {
+        handlers[handlerName] = handler;
+        return true;
+      }
+    }
+  }
+
+  void unregisterEventHandler(String eventName, String handlerName) {
+    debugPrint('unregisterEventHandler $eventName $handlerName');
+    var handlers = _eventHandlers[eventName];
+    if (handlers != null) {
+      handlers.remove(handlerName);
+    }
+  }
+
+  Future<bool> tryHandle(Map<String, dynamic> evt) async {
+    final name = evt['name'];
+    if (name != null) {
+      final handlers = _eventHandlers[name];
+      if (handlers != null) {
+        if (handlers.isNotEmpty) {
+          for (var handler in handlers.values) {
+            await handler(evt);
+          }
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  String translate(String name, String locale) =>
+      _ffiBind.translate(name: name, locale: locale);
+
+  Uint8List? getRgba(SessionID sessionId, int display, int bufSize) {
+    throw UnimplementedError();
+  }
+
+  int getRgbaSize(SessionID sessionId, int display) =>
+      _ffiBind.sessionGetRgbaSize(sessionId: sessionId, display: display);
+  void nextRgba(SessionID sessionId, int display) =>
+      _ffiBind.sessionNextRgba(sessionId: sessionId, display: display);
+  void registerPixelbufferTexture(SessionID sessionId, int display, int ptr) =>
+      _ffiBind.sessionRegisterPixelbufferTexture(
+          sessionId: sessionId, display: display, ptr: ptr);
+  void registerGpuTexture(SessionID sessionId, int display, int ptr) =>
+      _ffiBind.sessionRegisterGpuTexture(
+          sessionId: sessionId, display: display, ptr: ptr);
+
+  Future<void> init(String appType) async {
     isWebDesktop = !context.callMethod('isMobile');
     context.callMethod('init');
     version = getByName('version');
   }
 
-  static void setEventCallback(void Function(Map<String, dynamic>) fun) {
+  void setEventCallback(void Function(Map<String, dynamic>) fun) {
     context["onGlobalEvent"] = (String message) {
       try {
         Map<String, dynamic> event = json.decode(message);
@@ -43,7 +114,7 @@ class PlatformFFI {
     };
   }
 
-  static void setRgbaCallback(void Function(Uint8List) fun) {
+  void setRgbaCallback(void Function(Uint8List) fun) {
     context["onRgba"] = (Uint8List? rgba) {
       if (rgba != null) {
         fun(rgba);
@@ -51,12 +122,12 @@ class PlatformFFI {
     };
   }
 
-  static void startDesktopWebListener() {
+  void startDesktopWebListener() {
     mouseListeners.add(
         window.document.onContextMenu.listen((evt) => evt.preventDefault()));
   }
 
-  static void stopDesktopWebListener() {
+  void stopDesktopWebListener() {
     for (var ml in mouseListeners) {
       ml.cancel();
     }
@@ -67,9 +138,14 @@ class PlatformFFI {
     keyListeners.clear();
   }
 
-  static void setMethodCallHandler(FMethod callback) {}
+  void setMethodCallHandler(FMethod callback) {}
 
-  static Future<bool> invokeMethod(String method, [dynamic arguments]) async {
+  invokeMethod(String method, [dynamic arguments]) async {
     return true;
   }
+
+  // just for compilation
+  void syncAndroidServiceAppDirConfigPath() {
+    throw UnimplementedError();
+  }
 }