[video_player_platform_interface] synchronize isPlaying state (flutter#3361)

[video_player_platform_interface] synchronize isPlaying state

Author: maRci002

packages/video_player/video_player_platform_interface/AUTHORS

@@ -64,3 +64,4 @@ Aleksandr Yurkovskiy <[email protected]>
 Anton Borries <[email protected]>
 Alex Li <[email protected]>
 Rahul Raj <[email protected]>
+Márton Matuz <[email protected]>

packages/video_player/video_player_platform_interface/CHANGELOG.md

@@ -1,6 +1,8 @@
-## NEXT
+## 6.1.0
 
 * Aligns Dart and Flutter SDK constraints.
+* Adds the `VideoEventType.isPlayingStateUpdate` event to track changes in play / pause state with
+  the underlying video player.
 
 ## 6.0.2
 

packages/video_player/video_player_platform_interface/lib/video_player_platform_interface.dart

@@ -212,6 +212,7 @@ class VideoEvent {
     this.size,
     this.rotationCorrection,
     this.buffered,
+    this.isPlaying,
   });
 
   /// The type of the event.
@@ -237,6 +238,11 @@ class VideoEvent {
   /// Only used if [eventType] is [VideoEventType.bufferingUpdate].
   final List<DurationRange>? buffered;
 
+  /// Whether the video is currently playing.
+  ///
+  /// Only used if [eventType] is [VideoEventType.isPlayingStateUpdate].
+  final bool? isPlaying;
+
   @override
   bool operator ==(Object other) {
     return identical(this, other) ||
@@ -246,7 +252,8 @@ class VideoEvent {
             duration == other.duration &&
             size == other.size &&
             rotationCorrection == other.rotationCorrection &&
-            listEquals(buffered, other.buffered);
+            listEquals(buffered, other.buffered) &&
+            isPlaying == other.isPlaying;
   }
 
   @override
@@ -256,13 +263,14 @@ class VideoEvent {
         size,
         rotationCorrection,
         buffered,
+        isPlaying,
       );
 }
 
 /// Type of the event.
 ///
 /// Emitted by the platform implementation when the video is initialized or
-/// completed or to communicate buffering events.
+/// completed or to communicate buffering events or play state changed.
 enum VideoEventType {
   /// The video has been initialized.
   initialized,
@@ -279,6 +287,12 @@ enum VideoEventType {
   /// The video stopped to buffer.
   bufferingEnd,
 
+  /// The playback state of the video has changed.
+  ///
+  /// This event is fired when the video starts or pauses due to user actions or
+  /// phone calls, or other app media such as music players.
+  isPlayingStateUpdate,
+
   /// An unknown event has been received.
   unknown,
 }

packages/video_player/video_player_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/packages/tree/main/packages/video_player/
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+video_player%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 6.0.2
+version: 6.1.0
 
 environment:
   sdk: ">=2.17.0 <3.0.0"