Refact. Flutter web, mid commit (#7494)

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

flutter/lib/models/desktop_render_texture.dart

@@ -11,8 +11,8 @@ 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();
+final useTextureRender = !isWeb &&
+    (bind.mainHasPixelbufferTextureRender() || bind.mainHasGpuTextureRender());
 
 class _PixelbufferTexture {
   int _textureKey = -1;

flutter/lib/models/file_model.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common.dart';
@@ -292,7 +291,7 @@ class FileController {
             name: isLocal ? "local_show_hidden" : "remote_show_hidden"))
         .isNotEmpty;
     options.value.isWindows = isLocal
-        ? Platform.isWindows
+        ? isWindows
         : rootState.target?.ffiModel.pi.platform == kPeerPlatformWindows;
 
     await Future.delayed(Duration(milliseconds: 100));

flutter/lib/models/model.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 import 'dart:math';
 import 'dart:typed_data';
 import 'dart:ui' as ui;
@@ -1537,7 +1536,7 @@ class CursorData {
     }
 
     if (_doubleToInt(oldScale) != _doubleToInt(scale)) {
-      if (Platform.isWindows) {
+      if (isWindows) {
         data = img2
             .copyResize(
               image,
@@ -1616,7 +1615,7 @@ class PredefinedCursor {
             data, defaultImg.width, defaultImg.height, ui.PixelFormat.rgba8888);
 
         double scale = 1.0;
-        if (Platform.isWindows) {
+        if (isWindows) {
           data = _image2!.getBytes(order: img2.ChannelOrder.bgra);
         } else {
           data = Uint8List.fromList(img2.encodePng(_image2!));
@@ -1841,7 +1840,7 @@ class CursorModel with ChangeNotifier {
     Uint8List? data;
     img2.Image imgOrigin = img2.Image.fromBytes(
         width: w, height: h, bytes: rgba.buffer, order: img2.ChannelOrder.rgba);
-    if (Platform.isWindows) {
+    if (isWindows) {
       data = imgOrigin.getBytes(order: img2.ChannelOrder.bgra);
     } else {
       ByteData? imgBytes =
@@ -2200,6 +2199,7 @@ class FFI {
       imageModel.id = id;
       cursorModel.peerId = id;
     }
+
     // If tabWindowId != null, this session is a "tab -> window" one.
     // Else this session is a new one.
     if (tabWindowId == null) {
@@ -2235,6 +2235,10 @@ class FFI {
       textureModel.updateCurrentDisplay(display ?? 0);
     }
     final stream = bind.sessionStart(sessionId: sessionId, id: id);
+    if (isWeb) {
+      return;
+    }
+
     final cb = ffiModel.startEventListener(sessionId, id);
 
     // Force refresh displays.

flutter/lib/models/native_model.dart

@@ -111,13 +111,13 @@ class PlatformFFI {
   /// Init the FFI class, loads the native Rust core library.
   Future<void> init(String appType) async {
     _appType = appType;
-    final dylib = Platform.isAndroid
+    final dylib = isAndroid
         ? DynamicLibrary.open('librustdesk.so')
-        : Platform.isLinux
+        : isLinux
             ? DynamicLibrary.open('librustdesk.so')
-            : Platform.isWindows
+            : isWindows
                 ? DynamicLibrary.open('librustdesk.dll')
-                : Platform.isMacOS
+                : isMacOS
                     ? DynamicLibrary.open("liblibrustdesk.dylib")
                     : DynamicLibrary.process();
     debugPrint('initializing FFI $_appType');
@@ -131,11 +131,11 @@ class PlatformFFI {
       }
       _ffiBind = RustdeskImpl(dylib);
 
-      if (Platform.isLinux) {
+      if (isLinux) {
         // Start a dbus service, no need to await
         _ffiBind.mainStartDbusServer();
         _ffiBind.mainStartPa();
-      } else if (Platform.isMacOS && isMain) {
+      } else if (isMacOS && isMain) {
         // Start ipc service for uri links.
         _ffiBind.mainStartIpcUrlServer();
       }
@@ -155,20 +155,20 @@ class PlatformFFI {
       String id = 'NA';
       String name = 'Flutter';
       DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
-      if (Platform.isAndroid) {
+      if (isAndroid) {
         AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
         name = '${androidInfo.brand}-${androidInfo.model}';
         id = androidInfo.id.hashCode.toString();
         androidVersion = androidInfo.version.sdkInt;
-      } else if (Platform.isIOS) {
+      } else if (isIOS) {
         IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
         name = iosInfo.utsname.machine;
         id = iosInfo.identifierForVendor.hashCode.toString();
-      } else if (Platform.isLinux) {
+      } else if (isLinux) {
         LinuxDeviceInfo linuxInfo = await deviceInfo.linuxInfo;
         name = linuxInfo.name;
         id = linuxInfo.machineId ?? linuxInfo.id;
-      } else if (Platform.isWindows) {
+      } else if (isWindows) {
         try {
           // request windows build number to fix overflow on win7
           windowsBuildNumber = getWindowsTargetBuildNumber();
@@ -180,7 +180,7 @@ class PlatformFFI {
           name = "unknown";
           id = "unknown";
         }
-      } else if (Platform.isMacOS) {
+      } else if (isMacOS) {
         MacOsDeviceInfo macOsInfo = await deviceInfo.macOsInfo;
         name = macOsInfo.computerName;
         id = macOsInfo.systemGUID ?? '';

flutter/lib/models/server_model.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/consts.dart';
@@ -383,7 +382,7 @@ class ServerModel with ChangeNotifier {
     // ugly is here, because for desktop, below is useless
     await bind.mainStartService();
     updateClientState();
-    if (Platform.isAndroid) {
+    if (isAndroid) {
       WakelockPlus.enable();
     }
   }
@@ -395,7 +394,7 @@ class ServerModel with ChangeNotifier {
     await parent.target?.invokeMethod("stop_service");
     await bind.mainStopService();
     notifyListeners();
-    if (!Platform.isLinux) {
+    if (!isLinux) {
       // current linux is not supported
       WakelockPlus.disable();
     }

flutter/lib/models/state_model.dart

@@ -1,5 +1,3 @@
-import 'dart:io';
-
 import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common.dart';
@@ -60,7 +58,7 @@ class StateGlobal {
         _resizeEdgeSize.value =
             isMaximized.isTrue ? kMaximizeEdgeSize : kWindowEdgeSize;
       }
-      if (!Platform.isMacOS) {
+      if (!isMacOS) {
         _windowBorderWidth.value = v ? 0 : kWindowBorderWidth;
       }
     }
@@ -84,7 +82,7 @@ class StateGlobal {
         final wc = WindowController.fromWindowId(windowId);
         wc.setFullscreen(_fullscreen.isTrue).then((_) {
           // https://github.com/leanflutter/window_manager/issues/131#issuecomment-1111587982
-          if (Platform.isWindows && !v) {
+          if (isWindows && !v) {
             Future.delayed(Duration.zero, () async {
               final frame = await wc.getFrame();
               final newRect = Rect.fromLTWH(