Allow to enter PiP automatically

app/src/main/java/de/danoeh/antennapod/activity/MediaplayerActivity.java

@@ -226,7 +226,7 @@ public abstract class MediaplayerActivity extends CastEnabledActivity implements
 
     @Override
     protected void onPause() {
-        if (!supportsAndisInPictureInPictureMode()) {
+        if (!compatIsInPictureInPictureMode()) {
             if (controller != null) {
                 controller.reinitServiceIfPaused();
                 controller.pause();
@@ -917,7 +917,7 @@ public abstract class MediaplayerActivity extends CastEnabledActivity implements
         }
     }
 
-    /* package */ boolean supportsAndisInPictureInPictureMode() {
+    /* package */ boolean compatIsInPictureInPictureMode() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && supportsPictureInPicture()) {
             return isInPictureInPictureMode();
         } else {

app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java

@@ -24,6 +24,7 @@ import android.widget.ProgressBar;
 import android.widget.SeekBar;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.core.feed.MediaType;
+import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.service.playback.PlaybackService;
 import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.core.util.playback.ExternalMedia;
@@ -101,14 +102,22 @@ public class VideoplayerActivity extends MediaplayerActivity {
     @Override
     protected void onStop() {
         super.onStop();
-        if (!supportsAndisInPictureInPictureMode()) {
+        if (!compatIsInPictureInPictureMode()) {
             videoControlsHider.stop();
         }
     }
 
+    @Override
+    public void onUserLeaveHint () {
+        if (!compatIsInPictureInPictureMode() && UserPreferences.getVideoBackgroundBehavior()
+                == UserPreferences.VideoBackgroundBehavior.PICTURE_IN_PICTURE) {
+            compatEnterPictureInPicture();
+        }
+    }
+
     @Override
     protected void onPause() {
-        if (!supportsAndisInPictureInPictureMode()) {
+        if (!compatIsInPictureInPictureMode()) {
             if (controller != null && controller.getStatus() == PlayerStatus.PLAYING) {
                 controller.pause();
             }
@@ -191,7 +200,7 @@ public class VideoplayerActivity extends MediaplayerActivity {
 
     private final View.OnTouchListener onVideoviewTouched = (v, event) -> {
         if (event.getAction() == MotionEvent.ACTION_DOWN) {
-            if (supportsAndisInPictureInPictureMode()) {
+            if (compatIsInPictureInPictureMode()) {
                 return true;
             }
             videoControlsHider.stop();
@@ -390,16 +399,20 @@ public class VideoplayerActivity extends MediaplayerActivity {
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (item.getItemId() == R.id.player_go_to_picture_in_picture) {
-            if (supportsPictureInPicture() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            compatEnterPictureInPicture();
-                getSupportActionBar().hide();
-                hideVideoControls(false);
-                enterPictureInPictureMode();
-            }
             return true;
         }
         return super.onOptionsItemSelected(item);
     }
 
+    private void compatEnterPictureInPicture() {
+        if (supportsPictureInPicture() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            getSupportActionBar().hide();
+            hideVideoControls(false);
+            enterPictureInPictureMode();
+        }
+    }
+
     private static class VideoControlsHider extends Handler {
 
         private static final int DELAY = 2500;

app/src/main/res/xml/preferences.xml

@@ -171,6 +171,14 @@
             android:key="prefResumeAfterCall"
             android:summary="@string/pref_resumeAfterCall_sum"
             android:title="@string/pref_resumeAfterCall_title"/>
+        <com.afollestad.materialdialogs.prefs.MaterialListPreference
+            android:defaultValue="stop"
+            android:entries="@array/video_background_behavior_options"
+            android:entryValues="@array/video_background_behavior_values"
+            android:key="prefVideoBehavior"
+            android:summary="@string/pref_videoBehavior_sum"
+            android:title="@string/pref_videoBehavior_title"
+            app:useStockLayout="true"/>
 
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/network_pref">

core/src/main/java/de/danoeh/antennapod/core/preferences/UserPreferences.java

@@ -74,6 +74,7 @@ public class UserPreferences {
     private static final String PREF_PLAYBACK_SPEED_ARRAY = "prefPlaybackSpeedArray";
     private static final String PREF_PAUSE_PLAYBACK_FOR_FOCUS_LOSS = "prefPauseForFocusLoss";
     private static final String PREF_RESUME_AFTER_CALL = "prefResumeAfterCall";
+    private static final String PREF_VIDEO_BEHAVIOR = "prefVideoBehavior";
 
     // Network
     private static final String PREF_ENQUEUE_DOWNLOADED = "prefEnqueueDownloaded";
@@ -661,6 +662,13 @@ public class UserPreferences {
                 .apply();
     }
 
+    public static VideoBackgroundBehavior getVideoBackgroundBehavior() {
+        switch (prefs.getString(PREF_VIDEO_BEHAVIOR, "stop")) {
+            case "stop": return VideoBackgroundBehavior.STOP;
+            case "pip": return VideoBackgroundBehavior.PICTURE_IN_PICTURE;
+            default: return VideoBackgroundBehavior.STOP;
+        }
+    }
 
     public static EpisodeCleanupAlgorithm getEpisodeCleanupAlgorithm() {
         int cleanupValue = Integer.parseInt(prefs.getString(PREF_EPISODE_CLEANUP, "-1"));
@@ -839,4 +847,8 @@ public class UserPreferences {
     public static boolean isCastEnabled() {
         return prefs.getBoolean(PREF_CAST_ENABLED, false);
     }
+
+    public enum VideoBackgroundBehavior {
+        STOP, PICTURE_IN_PICTURE
+    }
 }

core/src/main/res/values/arrays.xml

@@ -224,4 +224,14 @@
         <item>@string/fast_forward_label</item>
         <item>@string/skip_episode_label</item>
     </string-array>
+
+    <string-array name="video_background_behavior_options">
+        <item>@string/stop_playback</item>
+        <item>@string/player_go_to_picture_in_picture</item>
+    </string-array>
+
+    <string-array name="video_background_behavior_values">
+        <item>stop</item>
+        <item>pip</item>
+    </string-array>
 </resources>

core/src/main/res/values/strings.xml

@@ -440,6 +440,9 @@
     <string name="pref_cast_message_free_flavor">Chromecast requires third party proprietary libraries that are disabled in this version of AntennaPod</string>
     <string name="pref_enqueue_downloaded_title">Enqueue Downloaded</string>
     <string name="pref_enqueue_downloaded_summary">Add downloaded episodes to the queue</string>
+    <string name="pref_videoBehavior_title">Video behavior</string>
+    <string name="pref_videoBehavior_sum">Behavior when leaving video playback</string>
+    <string name="stop_playback">Stop playback</string>
 
     <!-- Auto-Flattr dialog -->
     <string name="auto_flattr_enable">Enable automatic flattring</string>