opt: danmaku showing

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/danmaku/controller.dart

@@ -3,7 +3,8 @@ import 'package:PiliPalaX/models/danmaku/dm.pb.dart';
 import 'package:flutter/cupertino.dart';
 
 class PlDanmakuController {
-  PlDanmakuController(this.cid, this.danmakuWeightNotifier, this.danmakuFilterNotifier);
+  PlDanmakuController(
+      this.cid, this.danmakuWeightNotifier, this.danmakuFilterNotifier);
   final int cid;
   final ValueNotifier<int> danmakuWeightNotifier;
   final ValueNotifier<List<Map<String, dynamic>>> danmakuFilterNotifier;
@@ -27,7 +28,8 @@ class PlDanmakuController {
       danmakuWeight = danmakuWeightNotifier.value;
     });
     danmakuFilterNotifier.addListener(() {
-      print("danmakuFilter changed from $danmakuFilter to ${danmakuFilterNotifier.value}");
+      print(
+          "danmakuFilter changed from $danmakuFilter to ${danmakuFilterNotifier.value}");
       danmakuFilter = danmakuFilterNotifier.value;
     });
     if (requestedSeg.isEmpty) {

lib/pages/danmaku/view.dart

@@ -23,7 +23,7 @@ class PlDanmaku extends StatefulWidget {
   State<PlDanmaku> createState() => _PlDanmakuState();
 }
 
-class _PlDanmakuState extends State<PlDanmaku> {
+class _PlDanmakuState extends State<PlDanmaku> with WidgetsBindingObserver {
   late PlPlayerController playerController;
   late PlDanmakuController _plDanmakuController;
   DanmakuController? _controller;
@@ -38,10 +38,22 @@ class _PlDanmakuState extends State<PlDanmaku> {
   late double strokeWidth;
   late int fontWeight;
   int latestAddedPosition = -1;
+  bool showDanmaku = true;
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed) {
+      showDanmaku = true;
+    } else if (state == AppLifecycleState.paused) {
+      showDanmaku = false;
+      playerController.danmakuController?.clear();
+    }
+  }
 
   @override
   void initState() {
     super.initState();
+    WidgetsBinding.instance.addObserver(this);
     enableShowDanmaku =
         setting.get(SettingBoxKey.enableShowDanmaku, defaultValue: true);
     _plDanmakuController = PlDanmakuController(
@@ -100,7 +112,7 @@ class _PlDanmakuState extends State<PlDanmaku> {
     List<DanmakuElem>? currentDanmakuList =
         _plDanmakuController.getCurrentDanmaku(currentPosition);
 
-    if (currentDanmakuList != null && _controller != null) {
+    if (showDanmaku && currentDanmakuList != null && _controller != null) {
       Color? defaultColor = playerController.blockTypes.contains(6)
           ? DmUtils.decimalToColor(16777215)
           : null;
@@ -118,6 +130,7 @@ class _PlDanmakuState extends State<PlDanmaku> {
 
   @override
   void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
     playerController.removePositionListener(videoPositionListen);
     super.dispose();
   }

lib/pages/live_room/controller.dart

@@ -33,6 +33,7 @@ class LiveRoomController extends GetxController {
   RxBool disableAutoScroll = false.obs;
   double? brightness;
   DanmakuController? controller;
+  bool showDanmaku = true;
 
   @override
   void onInit() {
@@ -135,17 +136,19 @@ class LiveRoomController extends GetxController {
             // logger.i(' 原始弹幕消息 ======> ${jsonEncode(obj)}');
             messages.add(obj);
             Map json = jsonDecode(obj['info'][0][15]['extra']);
-            controller?.addItems([
-              DanmakuItem(
-                json['content'],
-                color: DmUtils.decimalToColor(json['color']),
-                // time: e.progress,
-                type: DmUtils.getPosition(json['mode']),
-              )
-            ]);
-            WidgetsBinding.instance.addPostFrameCallback(
-              (_) => scrollToBottom(),
-            );
+            if (showDanmaku) {
+              controller?.addItems([
+                DanmakuItem(
+                  json['content'],
+                  color: DmUtils.decimalToColor(json['color']),
+                  // time: e.progress,
+                  type: DmUtils.getPosition(json['mode']),
+                )
+              ]);
+              WidgetsBinding.instance.addPostFrameCallback(
+                (_) => scrollToBottom(),
+              );
+            }
           }
         });
         msgStream?.init();

lib/pages/live_room/view.dart

@@ -25,7 +25,8 @@ class LiveRoomPage extends StatefulWidget {
   State<LiveRoomPage> createState() => _LiveRoomPageState();
 }
 
-class _LiveRoomPageState extends State<LiveRoomPage> {
+class _LiveRoomPageState extends State<LiveRoomPage>
+    with WidgetsBindingObserver {
   late final int _roomId;
   final LiveRoomController _liveRoomController = Get.put(LiveRoomController());
   late final PlPlayerController plPlayerController;
@@ -57,6 +58,7 @@ class _LiveRoomPageState extends State<LiveRoomPage> {
   @override
   void initState() {
     super.initState();
+    WidgetsBinding.instance.addObserver(this);
     _roomId = int.parse(Get.parameters['roomid'] ?? '-1');
     PlPlayerController.setPlayCallBack(playCallBack);
     if (Platform.isAndroid) {
@@ -82,6 +84,7 @@ class _LiveRoomPageState extends State<LiveRoomPage> {
 
   @override
   void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
     ScreenBrightness().resetApplicationScreenBrightness();
     PlPlayerController.setPlayCallBack(null);
     floating?.dispose();
@@ -94,6 +97,16 @@ class _LiveRoomPageState extends State<LiveRoomPage> {
     super.dispose();
   }
 
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed) {
+      _liveRoomController.showDanmaku = true;
+    } else if (state == AppLifecycleState.paused) {
+      _liveRoomController.showDanmaku = false;
+      plPlayerController.danmakuController?.clear();
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     Widget videoPlayerPanel = FutureBuilder(