wallpaper: fixed video playback, session, controls

android/app/src/main/kotlin/deckers/thibault/aves/WallpaperActivity.kt

@@ -13,17 +13,20 @@ import deckers.thibault.aves.channel.calls.*
 import deckers.thibault.aves.channel.calls.window.ActivityWindowHandler
 import deckers.thibault.aves.channel.calls.window.WindowHandler
 import deckers.thibault.aves.channel.streams.ImageByteStreamHandler
+import deckers.thibault.aves.channel.streams.MediaCommandStreamHandler
 import deckers.thibault.aves.utils.FlutterUtils
 import deckers.thibault.aves.utils.FlutterUtils.enableSoftwareRendering
 import deckers.thibault.aves.utils.LogUtils
 import deckers.thibault.aves.utils.getParcelableExtraCompat
 import io.flutter.embedding.android.FlutterFragmentActivity
 import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.EventChannel
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 
 class WallpaperActivity : FlutterFragmentActivity() {
     private lateinit var intentDataMap: MutableMap<String, Any?>
+    private lateinit var mediaSessionHandler: MediaSessionHandler
 
     override fun onCreate(savedInstanceState: Bundle?) {
         if (FlutterUtils.isSoftwareRenderingRequired()) {
@@ -42,12 +45,19 @@ class WallpaperActivity : FlutterFragmentActivity() {
         super.configureFlutterEngine(flutterEngine)
         val messenger = flutterEngine.dartExecutor
 
+        // notification: platform -> dart
+        val mediaCommandStreamHandler = MediaCommandStreamHandler().apply {
+            EventChannel(messenger, MediaCommandStreamHandler.CHANNEL).setStreamHandler(this)
+        }
+
         // dart -> platform -> dart
         // - need Context
+        mediaSessionHandler = MediaSessionHandler(this, mediaCommandStreamHandler)
         MethodChannel(messenger, DeviceHandler.CHANNEL).setMethodCallHandler(DeviceHandler(this))
         MethodChannel(messenger, EmbeddedDataHandler.CHANNEL).setMethodCallHandler(EmbeddedDataHandler(this))
         MethodChannel(messenger, MediaFetchBytesHandler.CHANNEL, AvesByteSendingMethodCodec.INSTANCE).setMethodCallHandler(MediaFetchBytesHandler(this))
         MethodChannel(messenger, MediaFetchObjectHandler.CHANNEL).setMethodCallHandler(MediaFetchObjectHandler(this))
+        MethodChannel(messenger, MediaSessionHandler.CHANNEL).setMethodCallHandler(mediaSessionHandler)
         MethodChannel(messenger, MetadataFetchHandler.CHANNEL).setMethodCallHandler(MetadataFetchHandler(this))
         MethodChannel(messenger, StorageHandler.CHANNEL).setMethodCallHandler(StorageHandler(this))
         // - need ContextWrapper
@@ -79,6 +89,11 @@ class WallpaperActivity : FlutterFragmentActivity() {
         }
     }
 
+    override fun onDestroy() {
+        mediaSessionHandler.dispose()
+        super.onDestroy()
+    }
+
     private fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
         when (call.method) {
             "getIntentData" -> {

lib/widgets/home_page.dart

@@ -229,9 +229,12 @@ class _HomePageState extends State<HomePage> {
           }
         }
         break;
+      case AppMode.setWallpaper:
+        // for video playback storage
+        await metadataDb.init();
+        break;
       case AppMode.pickMediaInternal:
       case AppMode.pickFilterInternal:
-      case AppMode.setWallpaper:
       case AppMode.slideshow:
         break;
     }

lib/widgets/viewer/entry_viewer_stack.dart

@@ -483,6 +483,10 @@ class _EntryViewerStackState extends State<EntryViewerStack> with EntryViewContr
       }
     } else if (notification is ToggleOverlayNotification) {
       _overlayVisible.value = notification.visible ?? !_overlayVisible.value;
+    } else if (notification is VideoActionNotification) {
+      final controller = notification.controller;
+      final action = notification.action;
+      _onVideoAction(context, controller, action);
     } else if (notification is TvShowLessInfoNotification) {
       if (_overlayVisible.value) {
         _overlayVisible.value = false;
@@ -503,10 +507,6 @@ class _EntryViewerStackState extends State<EntryViewerStack> with EntryViewContr
       _goToHorizontalPageByDelta(delta: 1, animate: notification.animate);
     } else if (notification is ShowEntryNotification) {
       _goToHorizontalPageByIndex(page: notification.index, animate: notification.animate);
-    } else if (notification is VideoActionNotification) {
-      final controller = notification.controller;
-      final action = notification.action;
-      _onVideoAction(context, controller, action);
     } else {
       return false;
     }

lib/widgets/viewer/overlay/viewer_buttons.dart

@@ -1,3 +1,5 @@
+import 'dart:math';
+
 import 'package:aves/app_mode.dart';
 import 'package:aves/model/actions/entry_actions.dart';
 import 'package:aves/model/entry.dart';
@@ -79,7 +81,7 @@ class ViewerButtons extends StatelessWidget {
           return Selector<Settings, bool>(
             selector: (context, s) => s.isRotationLocked,
             builder: (context, s, child) {
-              final quickActions = (trashed ? EntryActions.trashed : settings.viewerQuickActions).where(isVisible).where(actionDelegate.canApply).take(availableCount - 1).toList();
+              final quickActions = (trashed ? EntryActions.trashed : settings.viewerQuickActions).where(isVisible).where(actionDelegate.canApply).take(max(0, availableCount - 1)).toList();
               List<EntryAction> getMenuActions(List<EntryAction> categoryActions) {
                 return categoryActions.where((action) => !quickActions.contains(action)).where(isVisible).toList();
               }

lib/widgets/wallpaper_page.dart

@@ -1,3 +1,4 @@
+import 'package:aves/model/actions/entry_actions.dart';
 import 'package:aves/model/entry.dart';
 import 'package:aves/model/settings/enums/enums.dart';
 import 'package:aves/model/settings/settings.dart';
@@ -130,6 +131,10 @@ class _EntryEditorState extends State<EntryEditor> with EntryViewControllerMixin
       onNotification: (dynamic notification) {
         if (notification is ToggleOverlayNotification) {
           _overlayVisible.value = notification.visible ?? !_overlayVisible.value;
+        } else if (notification is VideoActionNotification) {
+          final controller = notification.controller;
+          final action = notification.action;
+          _onVideoAction(context, controller, action);
         }
         return true;
       },
@@ -171,11 +176,7 @@ class _EntryEditorState extends State<EntryEditor> with EntryViewControllerMixin
             entry: targetEntry,
             controller: videoController,
             scale: _overlayVideoControlScale,
-            onActionSelected: (action) {
-              if (videoController != null) {
-                _videoActionDelegate.onActionSelected(context, videoController, action);
-              }
-            },
+            onActionSelected: (action) => _onVideoAction(context, videoController, action),
             onActionMenuOpened: () {
               // if the menu is opened while overlay is hiding,
               // the popup menu button is disposed and menu items are ineffective,
@@ -235,6 +236,12 @@ class _EntryEditorState extends State<EntryEditor> with EntryViewControllerMixin
     );
   }
 
+  void _onVideoAction(BuildContext context, AvesVideoController? videoController, EntryAction action) {
+    if (videoController != null) {
+      _videoActionDelegate.onActionSelected(context, videoController, action);
+    }
+  }
+
   // overlay
 
   Future<void> _onOverlayVisibleChanged({bool animate = true}) async {