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

Reviewed-on: #5

android/src/main/java/com/brentvatne/common/react/VideoEventEmitter.kt

@@ -22,6 +22,7 @@ enum class EventTypes(val eventName: String) {
     EVENT_BANDWIDTH("onVideoBandwidthUpdate"),
     EVENT_CONTROLS_VISIBILITY_CHANGE("onControlsVisibilityChange"),
     EVENT_SEEK("onVideoSeek"),
+    EVENT_SEEK_COMPLETE("onVideoSeekComplete"),
     EVENT_END("onVideoEnd"),
     EVENT_FULLSCREEN_WILL_PRESENT("onVideoFullscreenPlayerWillPresent"),
     EVENT_FULLSCREEN_DID_PRESENT("onVideoFullscreenPlayerDidPresent"),
@@ -71,6 +72,7 @@ class VideoEventEmitter {
     lateinit var onVideoBandwidthUpdate: (bitRateEstimate: Long, height: Int, width: Int, trackId: String) -> Unit
     lateinit var onVideoPlaybackStateChanged: (isPlaying: Boolean, isSeeking: Boolean) -> Unit
     lateinit var onVideoSeek: (currentPosition: Long, seekTime: Long) -> Unit
+    lateinit var onVideoSeekComplete: (currentPosition: Long) -> Unit
     lateinit var onVideoEnd: () -> Unit
     lateinit var onVideoFullscreenPlayerWillPresent: () -> Unit
     lateinit var onVideoFullscreenPlayerDidPresent: () -> Unit
@@ -170,6 +172,11 @@ class VideoEventEmitter {
                     putDouble("seekTime", seekTime / 1000.0)
                 }
             }
+            onVideoSeekComplete = { currentPosition ->
+                event.dispatch(EventTypes.EVENT_SEEK_COMPLETE) {
+                    putDouble("currentTime", currentPosition / 1000.0)
+                }
+            }
             onVideoEnd = {
                 event.dispatch(EventTypes.EVENT_END)
             }

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

@@ -23,6 +23,7 @@ import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.text.TextUtils;
+import android.util.Log;
 import android.view.View;
 import android.view.Window;
 import android.view.accessibility.CaptioningManager;
@@ -228,6 +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();
@@ -303,6 +305,16 @@ public class ReactExoplayerView extends FrameLayout implements
         }
     };
 
+    private void handleSeekCompletion() {
+        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;
+        }
+    }
+
     public double getPositionInFirstPeriodMsForCurrentWindow(long currentPosition) {
         Timeline.Window window = new Timeline.Window();
         if(!player.getCurrentTimeline().isEmpty()) {
@@ -761,7 +773,8 @@ public class ReactExoplayerView extends FrameLayout implements
                 .setBandwidthMeter(bandwidthMeter)
                 .setLoadControl(loadControl)
                 .setMediaSourceFactory(mediaSourceFactory)
-                .build();
+            .build();
+        player.addListener(self);
         ReactNativeVideoManager.Companion.getInstance().onInstanceCreated(instanceId, player);
         refreshDebugState();
         player.addListener(self);
@@ -1338,6 +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) {
@@ -1371,6 +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";
@@ -1634,6 +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;
@@ -2137,6 +2156,10 @@ 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,
-                                       "seekTime": time,
-                                       "target": self.reactTag])
+            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) {}
 }
+