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flutter_desktop: cursor image cache mismatch

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou
2022-09-10 19:50:48 -07:00
parent ef0980a9b1
commit aa6e747e8a
5 changed files with 94 additions and 50 deletions
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63
flutter/lib/models/model.dart
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@@ -4,7 +4,6 @@ import 'dart:io';
import 'dart:math';
import 'dart:typed_data';
import 'dart:ui' as ui;
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
@@ -21,6 +20,7 @@ import 'package:flutter_custom_cursor/flutter_custom_cursor.dart';
import '../common.dart';
import '../common/shared_state.dart';
import '../utils/image.dart' as img;
import '../mobile/widgets/dialog.dart';
import 'peer_model.dart';
import 'platform_model.dart';
@@ -127,8 +127,8 @@ class FfiModel with ChangeNotifier {
_permissions.clear();
}
void Function(Map<String, dynamic>) startEventListener(String peerId) {
return (evt) {
StreamEventHandler startEventListener(String peerId) {
return (evt) async {
var name = evt['name'];
if (name == 'msgbox') {
handleMsgBox(evt, peerId);
@@ -140,11 +140,11 @@ class FfiModel with ChangeNotifier {
} else if (name == 'switch_display') {
handleSwitchDisplay(evt);
} else if (name == 'cursor_data') {
parent.target?.cursorModel.updateCursorData(evt);
await parent.target?.cursorModel.updateCursorData(evt);
} else if (name == 'cursor_id') {
parent.target?.cursorModel.updateCursorId(evt);
await parent.target?.cursorModel.updateCursorId(evt);
} else if (name == 'cursor_position') {
parent.target?.cursorModel.updateCursorPosition(evt, peerId);
await parent.target?.cursorModel.updateCursorPosition(evt, peerId);
} else if (name == 'clipboard') {
Clipboard.setData(ClipboardData(text: evt['content']));
} else if (name == 'permission') {
@@ -780,7 +780,7 @@ class CursorModel with ChangeNotifier {
notifyListeners();
}
void updateCursorData(Map<String, dynamic> evt) {
updateCursorData(Map<String, dynamic> evt) async {
var id = int.parse(evt['id']);
_hotx = double.parse(evt['hotx']);
_hoty = double.parse(evt['hoty']);
@@ -789,34 +789,26 @@ class CursorModel with ChangeNotifier {
List<dynamic> colors = json.decode(evt['colors']);
final rgba = Uint8List.fromList(colors.map((s) => s as int).toList());
var pid = parent.target?.id;
ui.decodeImageFromPixels(rgba, width, height, ui.PixelFormat.rgba8888,
(image) {
() async {
if (parent.target?.id != pid) return;
_image = image;
_images[id] = Tuple3(image, _hotx, _hoty);
_updateCacheLinux(image, id, width, height);
try {
// my throw exception, because the listener maybe already dispose
notifyListeners();
} catch (e) {
debugPrint('notify cursor: $e');
}
}();
});
final image = await img.decodeImageFromPixels(
rgba, width, height, ui.PixelFormat.rgba8888);
if (parent.target?.id != pid) return;
_image = image;
_images[id] = Tuple3(image, _hotx, _hoty);
await _updateCacheLinux(image, id, width, height);
try {
// my throw exception, because the listener maybe already dispose
notifyListeners();
} catch (e) {
debugPrint('notify cursor: $e');
}
}
void _updateCacheLinux(ui.Image image, int id, int w, int h) async {
final data = await image.toByteData(format: ImageByteFormat.png);
late Uint8List? dataLinux;
if (data != null) {
dataLinux = data.buffer.asUint8List();
} else {
dataLinux = null;
}
_updateCacheLinux(ui.Image image, int id, int w, int h) async {
final data = await image.toByteData(format: ui.ImageByteFormat.png);
_cacheLinux = CursorData(
peerId: this.id,
data: dataLinux,
data: data?.buffer.asUint8List(),
id: id,
hotx: _hotx,
hoty: _hoty,
@@ -826,9 +818,10 @@ class CursorModel with ChangeNotifier {
_cacheMapLinux[id] = _cacheLinux!;
}
void updateCursorId(Map<String, dynamic> evt) {
_cacheLinux = _cacheMapLinux[int.parse(evt['id'])];
final tmp = _images[int.parse(evt['id'])];
updateCursorId(Map<String, dynamic> evt) async {
final id = int.parse(evt['id']);
_cacheLinux = _cacheMapLinux[id];
final tmp = _images[id];
if (tmp != null) {
_image = tmp.item1;
_hotx = tmp.item2;
@@ -838,7 +831,7 @@ class CursorModel with ChangeNotifier {
}
/// Update the cursor position.
void updateCursorPosition(Map<String, dynamic> evt, String id) {
updateCursorPosition(Map<String, dynamic> evt, String id) async {
_x = double.parse(evt['x']);
_y = double.parse(evt['y']);
try {