rustdesk/flutter/lib/common.dart

561 lines
16 KiB
Dart

import 'dart:async';
import 'dart:io';
import 'package:desktop_multi_window/desktop_multi_window.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:get/instance_manager.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:window_manager/window_manager.dart';
import 'package:back_button_interceptor/back_button_interceptor.dart';
import 'models/model.dart';
import 'models/platform_model.dart';
final globalKey = GlobalKey<NavigatorState>();
final navigationBarKey = GlobalKey();
var isAndroid = Platform.isAndroid;
var isIOS = Platform.isIOS;
var isWeb = false;
var isWebDesktop = false;
var isDesktop = Platform.isWindows || Platform.isMacOS || Platform.isLinux;
var version = "";
int androidVersion = 0;
typedef F = String Function(String);
typedef FMethod = String Function(String, dynamic);
class MyTheme {
MyTheme._();
static const Color grayBg = Color(0xFFEEEEEE);
static const Color white = Color(0xFFFFFFFF);
static const Color accent = Color(0xFF0071FF);
static const Color accent50 = Color(0x770071FF);
static const Color accent80 = Color(0xAA0071FF);
static const Color canvasColor = Color(0xFF212121);
static const Color border = Color(0xFFCCCCCC);
static const Color idColor = Color(0xFF00B6F0);
static const Color darkGray = Color(0xFFB9BABC);
static const Color dark = Colors.black87;
static ThemeData lightTheme = ThemeData(
brightness: Brightness.light,
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
tabBarTheme: TabBarTheme(labelColor: Colors.black87),
);
static ThemeData darkTheme = ThemeData(
brightness: Brightness.dark,
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
tabBarTheme: TabBarTheme(labelColor: Colors.white70));
}
bool isDarkTheme() {
final isDark = "Y" == Get.find<SharedPreferences>().getString("darkTheme");
return isDark;
}
final ButtonStyle flatButtonStyle = TextButton.styleFrom(
minimumSize: Size(0, 36),
padding: EdgeInsets.symmetric(horizontal: 16.0, vertical: 10.0),
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(2.0)),
),
);
backToHomePage() {
if (isAndroid || isIOS) {
Navigator.popUntil(globalKey.currentContext!, ModalRoute.withName("/"));
} else {
// TODO desktop
}
}
void window_on_top(int? id) {
if (id == null) {
// main window
windowManager.restore();
windowManager.show();
windowManager.focus();
} else {
WindowController.fromWindowId(id)
..focus()
..show();
}
}
typedef DialogBuilder = CustomAlertDialog Function(
StateSetter setState, void Function([dynamic]) close);
class Dialog<T> {
OverlayEntry? entry;
Completer<T?> completer = Completer<T?>();
Dialog();
void complete(T? res) {
try {
if (!completer.isCompleted) {
completer.complete(res);
}
} catch (e) {
debugPrint("Dialog complete catch error: $e");
} finally {
entry?.remove();
}
}
}
class OverlayDialogManager {
OverlayState? _overlayState;
Map<String, Dialog> _dialogs = Map();
int _tagCount = 0;
/// By default OverlayDialogManager use global overlay
OverlayDialogManager() {
_overlayState = globalKey.currentState?.overlay;
}
void setOverlayState(OverlayState? overlayState) {
_overlayState = overlayState;
}
void dismissAll() {
_dialogs.forEach((key, value) {
value.complete(null);
BackButtonInterceptor.removeByName(key);
});
_dialogs.clear();
}
void dismissByTag(String tag) {
_dialogs[tag]?.complete(null);
_dialogs.remove(tag);
BackButtonInterceptor.removeByName(tag);
}
Future<T?> show<T>(DialogBuilder builder,
{bool clickMaskDismiss = false,
bool backDismiss = false,
String? tag,
bool useAnimation = true,
bool forceGlobal = false}) {
final overlayState =
forceGlobal ? globalKey.currentState?.overlay : _overlayState;
if (overlayState == null) {
return Future.error(
"[OverlayDialogManager] Failed to show dialog, _overlayState is null, call [setOverlayState] first");
}
final _tag;
if (tag != null) {
_tag = tag;
} else {
_tag = _tagCount.toString();
_tagCount++;
}
final dialog = Dialog<T>();
_dialogs[_tag] = dialog;
final close = ([res]) {
_dialogs.remove(_tag);
dialog.complete(res);
BackButtonInterceptor.removeByName(_tag);
};
dialog.entry = OverlayEntry(builder: (_) {
bool innerClicked = false;
return Listener(
onPointerUp: (_) {
if (!innerClicked && clickMaskDismiss) {
close();
}
innerClicked = false;
},
child: Container(
color: Colors.black12,
child: StatefulBuilder(builder: (context, setState) {
return Listener(
onPointerUp: (_) => innerClicked = true,
child: builder(setState, close),
);
})));
});
overlayState.insert(dialog.entry!);
BackButtonInterceptor.add((stopDefaultButtonEvent, routeInfo) {
if (backDismiss) {
close();
}
return true;
}, name: _tag);
return dialog.completer.future;
}
void showLoading(String text,
{bool clickMaskDismiss = false,
bool showCancel = true,
VoidCallback? onCancel}) {
show((setState, close) => CustomAlertDialog(
content: Container(
constraints: BoxConstraints(maxWidth: 240),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SizedBox(height: 30),
Center(child: CircularProgressIndicator()),
SizedBox(height: 20),
Center(
child: Text(translate(text),
style: TextStyle(fontSize: 15))),
SizedBox(height: 20),
Offstage(
offstage: !showCancel,
child: Center(
child: TextButton(
style: flatButtonStyle,
onPressed: () {
dismissAll();
if (onCancel != null) {
onCancel();
}
},
child: Text(translate('Cancel'),
style: TextStyle(color: MyTheme.accent)))))
]))));
}
}
void showToast(String text, {Duration timeout = const Duration(seconds: 2)}) {
final overlayState = globalKey.currentState?.overlay;
if (overlayState == null) return;
final entry = OverlayEntry(builder: (_) {
return IgnorePointer(
child: Align(
alignment: Alignment(0.0, 0.8),
child: Container(
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.6),
borderRadius: BorderRadius.all(
Radius.circular(20),
),
),
padding: EdgeInsets.symmetric(horizontal: 20, vertical: 5),
child: Text(
text,
style: TextStyle(
decoration: TextDecoration.none,
fontWeight: FontWeight.w300,
fontSize: 18,
color: Colors.white),
),
)));
});
overlayState.insert(entry);
Future.delayed(timeout, () {
entry.remove();
});
}
class CustomAlertDialog extends StatelessWidget {
CustomAlertDialog(
{this.title, required this.content, this.actions, this.contentPadding});
final Widget? title;
final Widget content;
final List<Widget>? actions;
final double? contentPadding;
@override
Widget build(BuildContext context) {
return AlertDialog(
scrollable: true,
title: title,
contentPadding:
EdgeInsets.symmetric(horizontal: contentPadding ?? 25, vertical: 10),
content: content,
actions: actions,
);
}
}
void msgBox(
String type, String title, String text, OverlayDialogManager dialogManager,
{bool? hasCancel}) {
var wrap = (String text, void Function() onPressed) => ButtonTheme(
padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
//limits the touch area to the button area
minWidth: 0,
//wraps child's width
height: 0,
child: TextButton(
style: flatButtonStyle,
onPressed: onPressed,
child:
Text(translate(text), style: TextStyle(color: MyTheme.accent))));
dialogManager.dismissAll();
List<Widget> buttons = [];
if (type != "connecting" && type != "success" && type.indexOf("nook") < 0) {
buttons.insert(
0,
wrap(translate('OK'), () {
dialogManager.dismissAll();
backToHomePage();
}));
}
if (hasCancel == null) {
// hasCancel = type != 'error';
hasCancel = type.indexOf("error") < 0 &&
type.indexOf("nocancel") < 0 &&
type != "restarting";
}
if (hasCancel) {
buttons.insert(
0,
wrap(translate('Cancel'), () {
dialogManager.dismissAll();
}));
}
// TODO: test this button
if (type.indexOf("hasclose") >= 0) {
buttons.insert(
0,
wrap(translate('Close'), () {
dialogManager.dismissAll();
}));
}
dialogManager.show((setState, close) => CustomAlertDialog(
title: Text(translate(title), style: TextStyle(fontSize: 21)),
content: Text(translate(text), style: TextStyle(fontSize: 15)),
actions: buttons));
}
Color str2color(String str, [alpha = 0xFF]) {
var hash = 160 << 16 + 114 << 8 + 91;
for (var i = 0; i < str.length; i += 1) {
hash = str.codeUnitAt(i) + ((hash << 5) - hash);
}
hash = hash % 16777216;
return Color((hash & 0xFF7FFF) | (alpha << 24));
}
const K = 1024;
const M = K * K;
const G = M * K;
String readableFileSize(double size) {
if (size < K) {
return size.toStringAsFixed(2) + " B";
} else if (size < M) {
return (size / K).toStringAsFixed(2) + " KB";
} else if (size < G) {
return (size / M).toStringAsFixed(2) + " MB";
} else {
return (size / G).toStringAsFixed(2) + " GB";
}
}
/// Flutter can't not catch PointerMoveEvent when size is 1
/// This will happen in Android AccessibilityService Input
/// android can't init dispatching size yet ,see: https://stackoverflow.com/questions/59960451/android-accessibility-dispatchgesture-is-it-possible-to-specify-pressure-for-a
/// use this temporary solution until flutter or android fixes the bug
class AccessibilityListener extends StatelessWidget {
final Widget? child;
static final offset = 100;
AccessibilityListener({this.child});
@override
Widget build(BuildContext context) {
return Listener(
onPointerDown: (evt) {
if (evt.size == 1) {
GestureBinding.instance.handlePointerEvent(PointerAddedEvent(
pointer: evt.pointer + offset, position: evt.position));
GestureBinding.instance.handlePointerEvent(PointerDownEvent(
pointer: evt.pointer + offset,
size: 0.1,
position: evt.position));
}
},
onPointerUp: (evt) {
if (evt.size == 1) {
GestureBinding.instance.handlePointerEvent(PointerUpEvent(
pointer: evt.pointer + offset,
size: 0.1,
position: evt.position));
GestureBinding.instance.handlePointerEvent(PointerRemovedEvent(
pointer: evt.pointer + offset, position: evt.position));
}
},
onPointerMove: (evt) {
if (evt.size == 1) {
GestureBinding.instance.handlePointerEvent(PointerMoveEvent(
pointer: evt.pointer + offset,
size: 0.1,
delta: evt.delta,
position: evt.position));
}
},
child: child);
}
}
class PermissionManager {
static Completer<bool>? _completer;
static Timer? _timer;
static var _current = "";
static final permissions = [
"audio",
"file",
"ignore_battery_optimizations",
"application_details_settings"
];
static bool isWaitingFile() {
if (_completer != null) {
return !_completer!.isCompleted && _current == "file";
}
return false;
}
static Future<bool> check(String type) {
if (!permissions.contains(type))
return Future.error("Wrong permission!$type");
return gFFI.invokeMethod("check_permission", type);
}
static Future<bool> request(String type) {
if (!permissions.contains(type))
return Future.error("Wrong permission!$type");
gFFI.invokeMethod("request_permission", type);
if (type == "ignore_battery_optimizations") {
return Future.value(false);
}
_current = type;
_completer = Completer<bool>();
gFFI.invokeMethod("request_permission", type);
// timeout
_timer?.cancel();
_timer = Timer(Duration(seconds: 60), () {
if (_completer == null) return;
if (!_completer!.isCompleted) {
_completer!.complete(false);
}
_completer = null;
_current = "";
});
return _completer!.future;
}
static complete(String type, bool res) {
if (type != _current) {
res = false;
}
_timer?.cancel();
_completer?.complete(res);
_current = "";
}
}
RadioListTile<T> getRadio<T>(
String name, T toValue, T curValue, void Function(T?) onChange) {
return RadioListTile<T>(
controlAffinity: ListTileControlAffinity.trailing,
title: Text(translate(name)),
value: toValue,
groupValue: curValue,
onChanged: onChange,
dense: true,
);
}
CheckboxListTile getToggle(
String id, void Function(void Function()) setState, option, name,
{FFI? ffi}) {
final opt = bind.getSessionToggleOptionSync(id: id, arg: option);
return CheckboxListTile(
value: opt,
onChanged: (v) {
setState(() {
bind.sessionToggleOption(id: id, value: option);
});
if (option == "show-quality-monitor") {
(ffi ?? gFFI).qualityMonitorModel.checkShowQualityMonitor(id);
}
},
dense: true,
title: Text(translate(name)));
}
/// find ffi, tag is Remote ID
/// for session specific usage
FFI ffi(String? tag) {
return Get.find<FFI>(tag: tag);
}
/// Global FFI object
late FFI _globalFFI;
FFI get gFFI => _globalFFI;
Future<void> initGlobalFFI() async {
debugPrint("_globalFFI init");
_globalFFI = FFI();
debugPrint("_globalFFI init end");
// after `put`, can also be globally found by Get.find<FFI>();
Get.put(_globalFFI, permanent: true);
// trigger connection status updater
await bind.mainCheckConnectStatus();
// global shared preference
await Get.putAsync(() => SharedPreferences.getInstance());
}
String translate(String name) {
if (name.startsWith('Failed to') && name.contains(': ')) {
return name.split(': ').map((x) => translate(x)).join(': ');
}
return platformFFI.translate(name, localeName);
}
bool option2bool(String key, String value) {
bool res;
if (key.startsWith("enable-")) {
res = value != "N";
} else if (key.startsWith("allow-") ||
key == "stop-service" ||
key == "direct-server" ||
key == "stop-rendezvous-service") {
res = value == "Y";
} else {
assert(false);
res = value != "N";
}
return res;
}
String bool2option(String key, bool option) {
String res;
if (key.startsWith('enable-')) {
res = option ? '' : 'N';
} else if (key.startsWith('allow-') ||
key == "stop-service" ||
key == "direct-server" ||
key == "stop-rendezvous-service") {
res = option ? 'Y' : '';
} else {
assert(false);
res = option ? 'Y' : 'N';
}
return res;
}