754 lines
24 KiB
Dart
754 lines
24 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'dart:ui' as ui;
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import 'package:desktop_multi_window/desktop_multi_window.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_custom_cursor/cursor_manager.dart'
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as custom_cursor_manager;
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import 'package:get/get.dart';
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import 'package:provider/provider.dart';
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import 'package:wakelock/wakelock.dart';
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import 'package:flutter_custom_cursor/flutter_custom_cursor.dart';
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import 'package:flutter_improved_scrolling/flutter_improved_scrolling.dart';
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import '../../consts.dart';
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import '../../common/widgets/overlay.dart';
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import '../../common/widgets/remote_input.dart';
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import '../../common.dart';
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import '../../common/widgets/dialog.dart';
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import '../../models/model.dart';
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import '../../models/platform_model.dart';
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import '../../common/shared_state.dart';
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import '../../utils/image.dart';
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import '../widgets/remote_toolbar.dart';
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import '../widgets/kb_layout_type_chooser.dart';
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final SimpleWrapper<bool> _firstEnterImage = SimpleWrapper(false);
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class RemotePage extends StatefulWidget {
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RemotePage({
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Key? key,
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required this.id,
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required this.password,
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required this.menubarState,
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this.switchUuid,
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this.forceRelay,
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}) : super(key: key);
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final String id;
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final String? password;
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final MenubarState menubarState;
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final String? switchUuid;
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final bool? forceRelay;
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final SimpleWrapper<State<RemotePage>?> _lastState = SimpleWrapper(null);
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FFI get ffi => (_lastState.value! as _RemotePageState)._ffi;
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@override
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State<RemotePage> createState() {
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final state = _RemotePageState();
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_lastState.value = state;
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return state;
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}
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}
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class _RemotePageState extends State<RemotePage>
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with AutomaticKeepAliveClientMixin, MultiWindowListener {
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Timer? _timer;
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String keyboardMode = "legacy";
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bool _isWindowBlur = false;
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final _cursorOverImage = false.obs;
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late RxBool _showRemoteCursor;
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late RxBool _zoomCursor;
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late RxBool _remoteCursorMoved;
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late RxBool _keyboardEnabled;
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late RxInt _textureId;
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late int _textureKey;
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final useTextureRender = bind.mainUseTextureRender();
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final _blockableOverlayState = BlockableOverlayState();
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final FocusNode _rawKeyFocusNode = FocusNode(debugLabel: "rawkeyFocusNode");
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Function(bool)? _onEnterOrLeaveImage4Menubar;
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late FFI _ffi;
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void _initStates(String id) {
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initSharedStates(id);
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_zoomCursor = PeerBoolOption.find(id, 'zoom-cursor');
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_showRemoteCursor = ShowRemoteCursorState.find(id);
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_keyboardEnabled = KeyboardEnabledState.find(id);
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_remoteCursorMoved = RemoteCursorMovedState.find(id);
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_textureKey = newTextureId;
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_textureId = RxInt(-1);
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}
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@override
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void initState() {
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super.initState();
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_initStates(widget.id);
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_ffi = FFI();
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Get.put(_ffi, tag: widget.id);
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_ffi.imageModel.addCallbackOnFirstImage((String peerId) {
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showKBLayoutTypeChooserIfNeeded(
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_ffi.ffiModel.pi.platform, _ffi.dialogManager);
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});
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_ffi.start(
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widget.id,
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password: widget.password,
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switchUuid: widget.switchUuid,
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forceRelay: widget.forceRelay,
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);
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WidgetsBinding.instance.addPostFrameCallback((_) {
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
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_ffi.dialogManager
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.showLoading(translate('Connecting...'), onCancel: closeConnection);
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});
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if (!Platform.isLinux) {
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Wakelock.enable();
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}
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// Register texture.
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_textureId.value = -1;
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if (useTextureRender) {
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textureRenderer.createTexture(_textureKey).then((id) async {
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debugPrint("id: $id, texture_key: $_textureKey");
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if (id != -1) {
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final ptr = await textureRenderer.getTexturePtr(_textureKey);
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platformFFI.registerTexture(widget.id, ptr);
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_textureId.value = id;
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}
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});
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}
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_ffi.ffiModel.updateEventListener(widget.id);
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bind.pluginSyncUi(syncTo: kAppTypeDesktopRemote);
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_ffi.qualityMonitorModel.checkShowQualityMonitor(widget.id);
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// Session option should be set after models.dart/FFI.start
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_showRemoteCursor.value = bind.sessionGetToggleOptionSync(
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id: widget.id, arg: 'show-remote-cursor');
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_zoomCursor.value =
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bind.sessionGetToggleOptionSync(id: widget.id, arg: 'zoom-cursor');
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DesktopMultiWindow.addListener(this);
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// if (!_isCustomCursorInited) {
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// customCursorController.registerNeedUpdateCursorCallback(
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// (String? lastKey, String? currentKey) async {
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// if (_firstEnterImage.value) {
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// _firstEnterImage.value = false;
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// return true;
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// }
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// return lastKey == null || lastKey != currentKey;
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// });
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// _isCustomCursorInited = true;
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// }
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_blockableOverlayState.applyFfi(_ffi);
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}
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@override
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void onWindowBlur() {
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super.onWindowBlur();
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// On windows, we use `focus` way to handle keyboard better.
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// Now on Linux, there's some rdev issues which will break the input.
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// We disable the `focus` way for non-Windows temporarily.
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if (Platform.isWindows) {
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_isWindowBlur = true;
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// unfocus the primary-focus when the whole window is lost focus,
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// and let OS to handle events instead.
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_rawKeyFocusNode.unfocus();
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}
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}
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@override
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void onWindowFocus() {
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super.onWindowFocus();
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// See [onWindowBlur].
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if (Platform.isWindows) {
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_isWindowBlur = false;
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}
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}
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@override
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void onWindowRestore() {
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super.onWindowRestore();
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// On windows, we use `onWindowRestore` way to handle window restore from
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// a minimized state.
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if (Platform.isWindows) {
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_isWindowBlur = false;
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}
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if (!Platform.isLinux) {
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Wakelock.enable();
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}
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}
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// When the window is unminimized, onWindowMaximize or onWindowRestore can be called when the old state was maximized or not.
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@override
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void onWindowMaximize() {
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super.onWindowMaximize();
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if (!Platform.isLinux) {
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Wakelock.enable();
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}
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}
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@override
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void onWindowMinimize() {
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super.onWindowMinimize();
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if (!Platform.isLinux) {
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Wakelock.disable();
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}
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}
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@override
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void dispose() {
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debugPrint("REMOTE PAGE dispose ${widget.id}");
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if (useTextureRender) {
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platformFFI.registerTexture(widget.id, 0);
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textureRenderer.closeTexture(_textureKey);
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}
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// ensure we leave this session, this is a double check
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bind.sessionEnterOrLeave(id: widget.id, enter: false);
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DesktopMultiWindow.removeListener(this);
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_ffi.dialogManager.hideMobileActionsOverlay();
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_ffi.recordingModel.onClose();
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_rawKeyFocusNode.dispose();
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_ffi.close();
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_timer?.cancel();
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_ffi.dialogManager.dismissAll();
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
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overlays: SystemUiOverlay.values);
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if (!Platform.isLinux) {
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Wakelock.disable();
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}
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Get.delete<FFI>(tag: widget.id);
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super.dispose();
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removeSharedStates(widget.id);
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}
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Widget buildBody(BuildContext context) {
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return Scaffold(
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backgroundColor: Theme.of(context).colorScheme.background,
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/// the Overlay key will be set with _blockableOverlayState in BlockableOverlay
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/// see override build() in [BlockableOverlay]
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body: BlockableOverlay(
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state: _blockableOverlayState,
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underlying: Container(
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color: Colors.black,
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child: RawKeyFocusScope(
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focusNode: _rawKeyFocusNode,
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onFocusChange: (bool imageFocused) {
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debugPrint(
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"onFocusChange(window active:${!_isWindowBlur}) $imageFocused");
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// See [onWindowBlur].
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if (Platform.isWindows) {
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if (_isWindowBlur) {
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imageFocused = false;
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Future.delayed(Duration.zero, () {
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_rawKeyFocusNode.unfocus();
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});
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}
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if (imageFocused) {
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_ffi.inputModel.enterOrLeave(true);
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} else {
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_ffi.inputModel.enterOrLeave(false);
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}
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}
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},
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inputModel: _ffi.inputModel,
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child: getBodyForDesktop(context))),
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upperLayer: [
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OverlayEntry(
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builder: (context) => RemoteMenubar(
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id: widget.id,
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ffi: _ffi,
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state: widget.menubarState,
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onEnterOrLeaveImageSetter: (func) =>
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_onEnterOrLeaveImage4Menubar = func,
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onEnterOrLeaveImageCleaner: () =>
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_onEnterOrLeaveImage4Menubar = null,
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))
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],
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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super.build(context);
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return WillPopScope(
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onWillPop: () async {
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clientClose(widget.id, _ffi.dialogManager);
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return false;
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},
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child: MultiProvider(providers: [
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ChangeNotifierProvider.value(value: _ffi.ffiModel),
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ChangeNotifierProvider.value(value: _ffi.imageModel),
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ChangeNotifierProvider.value(value: _ffi.cursorModel),
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ChangeNotifierProvider.value(value: _ffi.canvasModel),
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ChangeNotifierProvider.value(value: _ffi.recordingModel),
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], child: buildBody(context)));
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}
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void enterView(PointerEnterEvent evt) {
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_cursorOverImage.value = true;
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_firstEnterImage.value = true;
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if (_onEnterOrLeaveImage4Menubar != null) {
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try {
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_onEnterOrLeaveImage4Menubar!(true);
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} catch (e) {
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//
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}
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}
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// See [onWindowBlur].
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if (!Platform.isWindows) {
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if (!_rawKeyFocusNode.hasFocus) {
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_rawKeyFocusNode.requestFocus();
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}
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bind.sessionEnterOrLeave(id: widget.id, enter: true);
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}
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}
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void leaveView(PointerExitEvent evt) {
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if (_ffi.ffiModel.keyboard) {
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_ffi.inputModel.tryMoveEdgeOnExit(evt.position);
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}
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_cursorOverImage.value = false;
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_firstEnterImage.value = false;
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if (_onEnterOrLeaveImage4Menubar != null) {
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try {
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_onEnterOrLeaveImage4Menubar!(false);
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} catch (e) {
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//
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}
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}
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// See [onWindowBlur].
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if (!Platform.isWindows) {
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bind.sessionEnterOrLeave(id: widget.id, enter: false);
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}
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}
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Widget _buildRawPointerMouseRegion(
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Widget child,
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PointerEnterEventListener? onEnter,
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PointerExitEventListener? onExit,
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) {
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return RawPointerMouseRegion(
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onEnter: onEnter,
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onExit: onExit,
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onPointerDown: (event) {
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// A double check for blur status.
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// Note: If there's an `onPointerDown` event is triggered, `_isWindowBlur` is expected being false.
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// Sometimes the system does not send the necessary focus event to flutter. We should manually
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// handle this inconsistent status by setting `_isWindowBlur` to false. So we can
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// ensure the grab-key thread is running when our users are clicking the remote canvas.
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if (_isWindowBlur) {
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debugPrint(
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"Unexpected status: onPointerDown is triggered while the remote window is in blur status");
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_isWindowBlur = false;
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}
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if (!_rawKeyFocusNode.hasFocus) {
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_rawKeyFocusNode.requestFocus();
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}
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},
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inputModel: _ffi.inputModel,
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child: child,
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);
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}
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Widget getBodyForDesktop(BuildContext context) {
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var paints = <Widget>[
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MouseRegion(onEnter: (evt) {
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bind.hostStopSystemKeyPropagate(stopped: false);
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}, onExit: (evt) {
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bind.hostStopSystemKeyPropagate(stopped: true);
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}, child: LayoutBuilder(builder: (context, constraints) {
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Future.delayed(Duration.zero, () {
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Provider.of<CanvasModel>(context, listen: false).updateViewStyle();
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});
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return ImagePaint(
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id: widget.id,
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zoomCursor: _zoomCursor,
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cursorOverImage: _cursorOverImage,
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keyboardEnabled: _keyboardEnabled,
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remoteCursorMoved: _remoteCursorMoved,
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textureId: _textureId,
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useTextureRender: useTextureRender,
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listenerBuilder: (child) =>
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_buildRawPointerMouseRegion(child, enterView, leaveView),
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);
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}))
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];
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if (!_ffi.canvasModel.cursorEmbedded) {
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paints.add(Obx(() => Offstage(
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offstage: _showRemoteCursor.isFalse || _remoteCursorMoved.isFalse,
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child: CursorPaint(
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id: widget.id,
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zoomCursor: _zoomCursor,
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))));
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}
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paints.add(
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Positioned(
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top: 10,
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right: 10,
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child: _buildRawPointerMouseRegion(
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QualityMonitor(_ffi.qualityMonitorModel), null, null),
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),
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);
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return Stack(
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children: paints,
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);
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}
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@override
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bool get wantKeepAlive => true;
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}
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class ImagePaint extends StatefulWidget {
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final String id;
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final RxBool zoomCursor;
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final RxBool cursorOverImage;
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final RxBool keyboardEnabled;
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final RxBool remoteCursorMoved;
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final RxInt textureId;
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final bool useTextureRender;
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final Widget Function(Widget)? listenerBuilder;
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ImagePaint(
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{Key? key,
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required this.id,
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required this.zoomCursor,
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required this.cursorOverImage,
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required this.keyboardEnabled,
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required this.remoteCursorMoved,
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required this.textureId,
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required this.useTextureRender,
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this.listenerBuilder})
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: super(key: key);
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@override
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State<StatefulWidget> createState() => _ImagePaintState();
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}
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class _ImagePaintState extends State<ImagePaint> {
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bool _lastRemoteCursorMoved = false;
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final ScrollController _horizontal = ScrollController();
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final ScrollController _vertical = ScrollController();
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String get id => widget.id;
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RxBool get zoomCursor => widget.zoomCursor;
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RxBool get cursorOverImage => widget.cursorOverImage;
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RxBool get keyboardEnabled => widget.keyboardEnabled;
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RxBool get remoteCursorMoved => widget.remoteCursorMoved;
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Widget Function(Widget)? get listenerBuilder => widget.listenerBuilder;
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@override
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Widget build(BuildContext context) {
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final m = Provider.of<ImageModel>(context);
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var c = Provider.of<CanvasModel>(context);
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final s = c.scale;
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mouseRegion({child}) => Obx(() {
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double getCursorScale() {
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var c = Provider.of<CanvasModel>(context);
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var cursorScale = 1.0;
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if (Platform.isWindows) {
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// debug win10
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final isViewAdaptive =
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c.viewStyle.style == kRemoteViewStyleAdaptive;
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if (zoomCursor.value && isViewAdaptive) {
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cursorScale = s * c.devicePixelRatio;
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}
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} else {
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final isViewOriginal =
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c.viewStyle.style == kRemoteViewStyleOriginal;
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if (zoomCursor.value || isViewOriginal) {
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cursorScale = s;
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}
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}
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return cursorScale;
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}
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return MouseRegion(
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cursor: cursorOverImage.isTrue
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? c.cursorEmbedded
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? SystemMouseCursors.none
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: keyboardEnabled.isTrue
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? (() {
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if (remoteCursorMoved.isTrue) {
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_lastRemoteCursorMoved = true;
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return SystemMouseCursors.none;
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} else {
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if (_lastRemoteCursorMoved) {
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_lastRemoteCursorMoved = false;
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_firstEnterImage.value = true;
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}
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return _buildCustomCursor(
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context, getCursorScale());
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}
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}())
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: _buildDisabledCursor(context, getCursorScale())
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: MouseCursor.defer,
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onHover: (evt) {},
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child: child);
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});
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if (c.imageOverflow.isTrue && c.scrollStyle == ScrollStyle.scrollbar) {
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final imageWidth = c.getDisplayWidth() * s;
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final imageHeight = c.getDisplayHeight() * s;
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final imageSize = Size(imageWidth, imageHeight);
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late final Widget imageWidget;
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if (widget.useTextureRender) {
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imageWidget = SizedBox(
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width: imageWidth,
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height: imageHeight,
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child: Obx(() => Texture(textureId: widget.textureId.value)),
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);
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} else {
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imageWidget = CustomPaint(
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size: imageSize,
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painter: ImagePainter(image: m.image, x: 0, y: 0, scale: s),
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);
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}
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return NotificationListener<ScrollNotification>(
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onNotification: (notification) {
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final percentX = _horizontal.hasClients
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? _horizontal.position.extentBefore /
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(_horizontal.position.extentBefore +
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_horizontal.position.extentInside +
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_horizontal.position.extentAfter)
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: 0.0;
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final percentY = _vertical.hasClients
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? _vertical.position.extentBefore /
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(_vertical.position.extentBefore +
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_vertical.position.extentInside +
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_vertical.position.extentAfter)
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: 0.0;
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c.setScrollPercent(percentX, percentY);
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return false;
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},
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child: mouseRegion(
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child: Obx(() => _buildCrossScrollbarFromLayout(
|
|
context, _buildListener(imageWidget), c.size, imageSize)),
|
|
));
|
|
} else {
|
|
late final Widget imageWidget;
|
|
if (c.size.width > 0 && c.size.height > 0) {
|
|
if (widget.useTextureRender) {
|
|
imageWidget = Stack(
|
|
children: [
|
|
Positioned(
|
|
left: c.x.toInt().toDouble(),
|
|
top: c.y.toInt().toDouble(),
|
|
width: c.getDisplayWidth() * s,
|
|
height: c.getDisplayHeight() * s,
|
|
child: Texture(textureId: widget.textureId.value),
|
|
)
|
|
],
|
|
);
|
|
} else {
|
|
imageWidget = CustomPaint(
|
|
size: Size(c.size.width, c.size.height),
|
|
painter:
|
|
ImagePainter(image: m.image, x: c.x / s, y: c.y / s, scale: s),
|
|
);
|
|
}
|
|
return mouseRegion(child: _buildListener(imageWidget));
|
|
} else {
|
|
return Container();
|
|
}
|
|
}
|
|
}
|
|
|
|
MouseCursor _buildCursorOfCache(
|
|
CursorModel cursor, double scale, CursorData? cache) {
|
|
if (cache == null) {
|
|
return MouseCursor.defer;
|
|
} else {
|
|
final key = cache.updateGetKey(scale);
|
|
if (!cursor.cachedKeys.contains(key)) {
|
|
debugPrint("Register custom cursor with key $key");
|
|
// [Safety]
|
|
// It's ok to call async registerCursor in current synchronous context,
|
|
// because activating the cursor is also an async call and will always
|
|
// be executed after this.
|
|
custom_cursor_manager.CursorManager.instance
|
|
.registerCursor(custom_cursor_manager.CursorData()
|
|
..buffer = cache.data!
|
|
..height = (cache.height * cache.scale).toInt()
|
|
..width = (cache.width * cache.scale).toInt()
|
|
..hotX = cache.hotx
|
|
..hotY = cache.hoty
|
|
..name = key);
|
|
cursor.addKey(key);
|
|
}
|
|
return FlutterCustomMemoryImageCursor(key: key);
|
|
}
|
|
}
|
|
|
|
MouseCursor _buildCustomCursor(BuildContext context, double scale) {
|
|
final cursor = Provider.of<CursorModel>(context);
|
|
final cache = cursor.cache ?? preDefaultCursor.cache;
|
|
return _buildCursorOfCache(cursor, scale, cache);
|
|
}
|
|
|
|
MouseCursor _buildDisabledCursor(BuildContext context, double scale) {
|
|
final cursor = Provider.of<CursorModel>(context);
|
|
final cache = preForbiddenCursor.cache;
|
|
return _buildCursorOfCache(cursor, scale, cache);
|
|
}
|
|
|
|
Widget _buildCrossScrollbarFromLayout(
|
|
BuildContext context, Widget child, Size layoutSize, Size size) {
|
|
final scrollConfig = CustomMouseWheelScrollConfig(
|
|
scrollDuration: kDefaultScrollDuration,
|
|
scrollCurve: Curves.linearToEaseOut,
|
|
mouseWheelTurnsThrottleTimeMs:
|
|
kDefaultMouseWheelThrottleDuration.inMilliseconds,
|
|
scrollAmountMultiplier: kDefaultScrollAmountMultiplier);
|
|
var widget = child;
|
|
if (layoutSize.width < size.width) {
|
|
widget = ScrollConfiguration(
|
|
behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
|
|
child: SingleChildScrollView(
|
|
controller: _horizontal,
|
|
scrollDirection: Axis.horizontal,
|
|
physics: cursorOverImage.isTrue
|
|
? const NeverScrollableScrollPhysics()
|
|
: null,
|
|
child: widget,
|
|
),
|
|
);
|
|
} else {
|
|
widget = Row(
|
|
children: [
|
|
Container(
|
|
width: ((layoutSize.width - size.width) ~/ 2).toDouble(),
|
|
),
|
|
widget,
|
|
],
|
|
);
|
|
}
|
|
if (layoutSize.height < size.height) {
|
|
widget = ScrollConfiguration(
|
|
behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
|
|
child: SingleChildScrollView(
|
|
controller: _vertical,
|
|
physics: cursorOverImage.isTrue
|
|
? const NeverScrollableScrollPhysics()
|
|
: null,
|
|
child: widget,
|
|
),
|
|
);
|
|
} else {
|
|
widget = Column(
|
|
children: [
|
|
Container(
|
|
height: ((layoutSize.height - size.height) ~/ 2).toDouble(),
|
|
),
|
|
widget,
|
|
],
|
|
);
|
|
}
|
|
if (layoutSize.width < size.width) {
|
|
widget = ImprovedScrolling(
|
|
scrollController: _horizontal,
|
|
enableCustomMouseWheelScrolling: cursorOverImage.isFalse,
|
|
customMouseWheelScrollConfig: scrollConfig,
|
|
child: RawScrollbar(
|
|
thumbColor: Colors.grey,
|
|
controller: _horizontal,
|
|
thumbVisibility: false,
|
|
trackVisibility: false,
|
|
notificationPredicate: layoutSize.height < size.height
|
|
? (notification) => notification.depth == 1
|
|
: defaultScrollNotificationPredicate,
|
|
child: widget,
|
|
),
|
|
);
|
|
}
|
|
if (layoutSize.height < size.height) {
|
|
widget = ImprovedScrolling(
|
|
scrollController: _vertical,
|
|
enableCustomMouseWheelScrolling: cursorOverImage.isFalse,
|
|
customMouseWheelScrollConfig: scrollConfig,
|
|
child: RawScrollbar(
|
|
thumbColor: Colors.grey,
|
|
controller: _vertical,
|
|
thumbVisibility: false,
|
|
trackVisibility: false,
|
|
child: widget,
|
|
),
|
|
);
|
|
}
|
|
|
|
return widget;
|
|
}
|
|
|
|
Widget _buildListener(Widget child) {
|
|
if (listenerBuilder != null) {
|
|
return listenerBuilder!(child);
|
|
} else {
|
|
return child;
|
|
}
|
|
}
|
|
}
|
|
|
|
class CursorPaint extends StatelessWidget {
|
|
final String id;
|
|
final RxBool zoomCursor;
|
|
|
|
const CursorPaint({
|
|
Key? key,
|
|
required this.id,
|
|
required this.zoomCursor,
|
|
}) : super(key: key);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final m = Provider.of<CursorModel>(context);
|
|
final c = Provider.of<CanvasModel>(context);
|
|
double hotx = m.hotx;
|
|
double hoty = m.hoty;
|
|
if (m.image == null) {
|
|
if (preDefaultCursor.image != null) {
|
|
hotx = preDefaultCursor.image!.width / 2;
|
|
hoty = preDefaultCursor.image!.height / 2;
|
|
}
|
|
}
|
|
|
|
double cx = c.x;
|
|
double cy = c.y;
|
|
if (c.viewStyle.style == kRemoteViewStyleOriginal &&
|
|
c.scrollStyle == ScrollStyle.scrollbar) {
|
|
final d = c.parent.target!.ffiModel.display;
|
|
final imageWidth = d.width * c.scale;
|
|
final imageHeight = d.height * c.scale;
|
|
cx = -imageWidth * c.scrollX;
|
|
cy = -imageHeight * c.scrollY;
|
|
}
|
|
|
|
double x = (m.x - hotx) * c.scale + cx;
|
|
double y = (m.y - hoty) * c.scale + cy;
|
|
double scale = 1.0;
|
|
final isViewOriginal = c.viewStyle.style == kRemoteViewStyleOriginal;
|
|
if (zoomCursor.value || isViewOriginal) {
|
|
x = m.x - hotx + cx / c.scale;
|
|
y = m.y - hoty + cy / c.scale;
|
|
scale = c.scale;
|
|
}
|
|
|
|
return CustomPaint(
|
|
painter: ImagePainter(
|
|
image: m.image ?? preDefaultCursor.image,
|
|
x: x,
|
|
y: y,
|
|
scale: scale,
|
|
),
|
|
);
|
|
}
|
|
}
|