119 lines
3.5 KiB
Dart
119 lines
3.5 KiB
Dart
import 'dart:io' show Platform;
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import 'package:flutter/foundation.dart';
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import 'package:window_manager/window_manager.dart';
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import 'macos_window_service.dart';
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import 'native_window_service.dart';
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/// Global manager for tracking fullscreen state across the app
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class FullscreenStateManager extends ChangeNotifier with WindowListener {
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static final FullscreenStateManager _instance = FullscreenStateManager._internal();
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factory FullscreenStateManager() => _instance;
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FullscreenStateManager._internal();
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bool _isFullscreen = false;
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bool _isListening = false;
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bool _wasMaximized = false;
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bool get isFullscreen => _isFullscreen;
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/// Manually set fullscreen state (called by NSWindowDelegate callbacks on macOS)
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void setFullscreen(bool value) {
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if (_isFullscreen != value) {
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_isFullscreen = value;
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notifyListeners();
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}
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}
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/// Toggle fullscreen state, handling maximized-to-fullscreen transition on Windows/Linux
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Future<void> toggleFullscreen() async {
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if (Platform.isMacOS) {
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final isCurrentlyFullscreen = await windowManager.isFullScreen();
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if (isCurrentlyFullscreen) {
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await MacOSWindowService.exitFullscreen();
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} else {
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await MacOSWindowService.enterFullscreen();
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}
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} else if (Platform.isWindows) {
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// Route through the native Win32 runner, which restores to the monitor
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// the window is currently on (window_manager 0.5.1 picks the wrong one
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// on multi-monitor setups — see issue #880). The native code also
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// preserves maximized state internally, so no unmaximize dance here.
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final isCurrentlyFullscreen = await NativeWindowService.isFullScreen();
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await NativeWindowService.setFullScreen(!isCurrentlyFullscreen);
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} else {
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final isCurrentlyFullscreen = await windowManager.isFullScreen();
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if (isCurrentlyFullscreen) {
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await windowManager.setFullScreen(false);
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if (_wasMaximized) {
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await windowManager.maximize();
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_wasMaximized = false;
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}
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} else {
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_wasMaximized = await windowManager.isMaximized();
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if (_wasMaximized) {
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await windowManager.unmaximize();
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}
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await windowManager.setFullScreen(true);
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}
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}
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}
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/// Exit fullscreen, restoring maximized state if needed
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Future<void> exitFullscreen() async {
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if (Platform.isMacOS) {
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await MacOSWindowService.exitFullscreen();
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} else if (Platform.isWindows) {
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await NativeWindowService.setFullScreen(false);
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} else {
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await windowManager.setFullScreen(false);
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if (_wasMaximized) {
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await windowManager.maximize();
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_wasMaximized = false;
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}
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}
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}
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/// Start monitoring fullscreen state
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void startMonitoring() {
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if (!_shouldMonitor() || _isListening) return;
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// Use window_manager listener for Windows/Linux
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// macOS uses NSWindowDelegate callbacks instead (see FullscreenWindowDelegate)
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if (!Platform.isMacOS) {
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windowManager.addListener(this);
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_isListening = true;
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}
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}
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/// Stop monitoring fullscreen state
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void stopMonitoring() {
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if (_isListening) {
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windowManager.removeListener(this);
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_isListening = false;
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}
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}
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bool _shouldMonitor() {
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return Platform.isMacOS || Platform.isWindows || Platform.isLinux;
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}
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// WindowListener callbacks for Windows/Linux
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@override
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void onWindowEnterFullScreen() {
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setFullscreen(true);
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}
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@override
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void onWindowLeaveFullScreen() {
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setFullscreen(false);
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}
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@override
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void dispose() {
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stopMonitoring();
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super.dispose();
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}
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}
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