Merge pull request 'Implement onSeekComplete for Android' (#5) from kat/temp-4 into master

Reviewed-on: #5

android/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java

@@ -229,6 +229,7 @@ public class ReactExoplayerView extends FrameLayout implements
     */
     private boolean isSeeking = false;
     private long seekPosition = -1;
+    private boolean isSeekInProgress = false;
 
     // Props from React
     private Source source = new Source();
@@ -305,11 +306,12 @@ public class ReactExoplayerView extends FrameLayout implements
     };
 
     private void handleSeekCompletion() {
-        if (player != null && player.getPlaybackState() == Player.STATE_READY) {
-            Log.d("ReactExoplayerView", "onSeekComplete triggered. Current position: " + player.getCurrentPosition());
+        if (player != null && player.getPlaybackState() == Player.STATE_READY && isSeekInProgress) {
+            Log.d("ReactExoplayerView", "handleSeekCompletion: currentPosition=" + player.getCurrentPosition());
             eventEmitter.onVideoSeekComplete.invoke(player.getCurrentPosition());
             isSeeking = false;
             seekPosition = -1;
+            isSeekInProgress = false;
         }
     }
 
@@ -1349,6 +1351,7 @@ public class ReactExoplayerView extends FrameLayout implements
         if (events.contains(Player.EVENT_PLAYBACK_STATE_CHANGED) || events.contains(Player.EVENT_PLAY_WHEN_READY_CHANGED)) {
             int playbackState = player.getPlaybackState();
             boolean playWhenReady = player.getPlayWhenReady();
+            Log.d("ReactExoplayerView", "onEvents: playbackState=" + playbackState + ", playWhenReady=" + playWhenReady);
             String text = "onStateChanged: playWhenReady=" + playWhenReady + ", playbackState=";
             eventEmitter.onPlaybackRateChange.invoke(playWhenReady && playbackState == ExoPlayer.STATE_READY ? 1.0f : 0.0f);
             switch (playbackState) {
@@ -1382,7 +1385,10 @@ public class ReactExoplayerView extends FrameLayout implements
                         playerControlView.show();
                     }
                     setKeepScreenOn(preventsDisplaySleepDuringVideoPlayback);
+                    Log.d("ReactExoplayerView", "Player STATE_READY: currentPosition=" + player.getCurrentPosition());
+                    if (isSeekInProgress) {
                         handleSeekCompletion();
+                    }
                     break;
                 case Player.STATE_ENDED:
                     text += "ended";
@@ -1646,6 +1652,7 @@ public class ReactExoplayerView extends FrameLayout implements
 
     @Override
     public void onPositionDiscontinuity(@NonNull Player.PositionInfo oldPosition, @NonNull Player.PositionInfo newPosition, @Player.DiscontinuityReason int reason) {
+        Log.d("ReactExoplayerView", "onPositionDiscontinuity: reason=" + reason + ", oldPosition=" + oldPosition.positionMs + ", newPosition=" + newPosition.positionMs);
         if (reason == Player.DISCONTINUITY_REASON_SEEK) {
             isSeeking = true;
             seekPosition = newPosition.positionMs;
@@ -2149,6 +2156,8 @@ public class ReactExoplayerView extends FrameLayout implements
 
     public void seekTo(long positionMs) {
         if (player != null) {
+            Log.d("ReactExoplayerView", "seekTo: positionMs=" + positionMs);
+            isSeekInProgress = true;
             isSeeking = true;
             seekPosition = positionMs;
             player.seekTo(positionMs);

ios/Video/RCTVideo.swift

@@ -762,6 +762,7 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
         _paused = paused
     }
 
+
     @objc
     func setSeek(_ time: NSNumber, _ tolerance: NSNumber) {
         let item: AVPlayerItem? = _player?.currentItem
@@ -770,30 +771,44 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
             _pendingSeekTime = time.floatValue
             return
         }
-        let wasPaused = _paused
 
+        let wasPaused = _paused
         let seekTime = CMTimeMakeWithSeconds(Float64(time.floatValue), preferredTimescale: Int32(NSEC_PER_SEC))
         let toleranceTime = CMTimeMakeWithSeconds(Float64(tolerance.floatValue), preferredTimescale: Int32(NSEC_PER_SEC))
 
-        player.seek(to: seekTime, toleranceBefore: toleranceTime, toleranceAfter: toleranceTime) { [weak self] (finished) in
-            guard let self = self, finished else { return }
+        let currentTimeBeforeSeek = CMTimeGetSeconds(item.currentTime())
+
+        // Call onVideoSeek before starting the seek operation
+        let currentTime = NSNumber(value: Float(currentTimeBeforeSeek))
+        self.onVideoSeek?(["currentTime": currentTime,
+                        "seekTime": time,
+                        "target": self.reactTag])
+
+        _pendingSeek = true
+
+        let seekCompletionHandler: (Bool) -> Void = { [weak self] finished in
+            guard let self = self else { return }
+
+            self._pendingSeek = false
+
+            guard finished else {
+                return
+            }
 
             self._playerObserver.addTimeObserverIfNotSet()
             if !wasPaused {
                 self.setPaused(false)
             }
 
-            let currentTime = NSNumber(value: Float(CMTimeGetSeconds(item.currentTime())))
-            self.onVideoSeek?(["currentTime": currentTime,
-                               "seekTime": time,
-                               "target": self.reactTag])
+            let currentTimeAfterSeek = CMTimeGetSeconds(item.currentTime())
 
-            self.onVideoSeekComplete?(["currentTime": currentTime,
+            let newCurrentTime = NSNumber(value: Float(currentTimeAfterSeek))
+            self.onVideoSeekComplete?(["currentTime": newCurrentTime,
                                     "seekTime": time,
                                     "target": self.reactTag])
         }
 
-        _pendingSeek = false
+        player.seek(to: seekTime, toleranceBefore: toleranceTime, toleranceAfter: toleranceTime, completionHandler: seekCompletionHandler)
     }
 
     @objc
@@ -1661,3 +1676,4 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
     @objc
     func setOnClick(_: Any) {}
 }
+