Second block of fixes for review

- hide/show controls with respect of SystemUI. In fullscreen mode controls will stay away from NavigationBar
- notification from running service will be hidden if a user disabled background playback
- fixed incorrect handling of a system method in API 19
- better MultiWindow support

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -1244,7 +1244,7 @@ public class VideoDetailFragment
 
         int height;
         if (player != null && player.isInFullscreen())
-            height = activity.getWindow().getDecorView().getHeight();
+            height = isInMultiWindow() ? getView().getHeight() : activity.getWindow().getDecorView().getHeight();
         else
             height = isPortrait
                     ? (int) (metrics.widthPixels / (16.0f / 9.0f))
@@ -1669,8 +1669,7 @@ public class VideoDetailFragment
                 player.useVideoSource(false);
             else if (player.minimizeOnPopupEnabled())
                 NavigationHelper.playOnPopupPlayer(activity, playQueue, true);
-            else
+            else player.onPause();
-                player.getPlayer().setPlayWhenReady(false);
         }
         else player.useVideoSource(true);
     }
@@ -1751,23 +1750,18 @@ public class VideoDetailFragment
 
         getActivity().getWindow().getDecorView().setSystemUiVisibility(0);
         getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
-        getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
     }
 
     private void hideSystemUi() {
         if (DEBUG) Log.d(TAG, "hideSystemUi() called");
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
         int visibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                 | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                 | View.SYSTEM_UI_FLAG_FULLSCREEN
-                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
+                | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
-                visibility |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
-            }
         activity.getWindow().getDecorView().setSystemUiVisibility(visibility);
-        }
         activity.getWindow().setFlags(
                 WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
     }
@@ -1813,6 +1807,10 @@ public class VideoDetailFragment
         return getResources().getDisplayMetrics().heightPixels < getResources().getDisplayMetrics().widthPixels;
     }
 
+    private boolean isInMultiWindow() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && activity.isInMultiWindowMode();
+    }
+
     /*
     * Means that the player fragment was swiped away via BottomSheetLayout and is empty but ready for any new actions. See cleanUp()
     * */

app/src/main/java/org/schabi/newpipe/player/MainPlayer.java

@@ -26,6 +26,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Binder;
 import android.os.IBinder;
+import android.util.DisplayMetrics;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import androidx.core.app.NotificationCompat;
@@ -183,7 +184,11 @@ public final class MainPlayer extends Service {
     //////////////////////////////////////////////////////////////////////////*/
 
     boolean isLandscape() {
-        return getResources().getDisplayMetrics().heightPixels < getResources().getDisplayMetrics().widthPixels;
+        // DisplayMetrics from activity context knows about MultiWindow feature while DisplayMetrics from app context doesn't
+        final DisplayMetrics metrics = playerImpl.getParentActivity() != null ?
+                playerImpl.getParentActivity().getResources().getDisplayMetrics()
+                : getResources().getDisplayMetrics();
+        return metrics.heightPixels < metrics.widthPixels;
     }
 
     public View getView() {

app/src/main/java/org/schabi/newpipe/player/VideoPlayer.java

@@ -38,11 +38,7 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.SurfaceView;
 import android.view.View;
-import android.widget.ImageView;
+import android.widget.*;
-import android.widget.PopupMenu;
-import android.widget.ProgressBar;
-import android.widget.SeekBar;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -131,7 +127,7 @@ public abstract class VideoPlayer extends BasePlayer
     private TextView playbackLiveSync;
     private TextView playbackSpeedTextView;
 
-    private View topControlsRoot;
+    private LinearLayout topControlsRoot;
     private TextView qualityTextView;
 
     private SubtitleView subtitleView;
@@ -961,7 +957,7 @@ public abstract class VideoPlayer extends BasePlayer
         return playbackEndTime;
     }
 
-    public View getTopControlsRoot() {
+    public LinearLayout getTopControlsRoot() {
         return topControlsRoot;
     }
 

app/src/main/java/org/schabi/newpipe/player/VideoPlayerImpl.java

@@ -25,6 +25,7 @@ import android.annotation.SuppressLint;
 import android.content.*;
 import android.graphics.Bitmap;
 import android.graphics.PixelFormat;
+import android.graphics.Point;
 import android.net.Uri;
 import android.os.Build;
 import android.preference.PreferenceManager;
@@ -124,7 +125,6 @@ public class VideoPlayerImpl extends VideoPlayer
     private ImageButton shareButton;
 
     private View primaryControls;
-    private LinearLayout topControls;
     private View secondaryControls;
 
     private int maxGestureLength;
@@ -245,7 +245,6 @@ public class VideoPlayerImpl extends VideoPlayer
 
         this.moreOptionsButton = rootView.findViewById(R.id.moreOptionsButton);
         this.primaryControls = rootView.findViewById(R.id.primaryControls);
-        this.topControls = rootView.findViewById(R.id.topControls);
         this.secondaryControls = rootView.findViewById(R.id.secondaryControls);
         this.shareButton = rootView.findViewById(R.id.share);
 
@@ -285,7 +284,7 @@ public class VideoPlayerImpl extends VideoPlayer
             getRootView().findViewById(R.id.metadataView).setVisibility(View.GONE);
             queueButton.setVisibility(View.GONE);
             moreOptionsButton.setVisibility(View.GONE);
-            topControls.setOrientation(LinearLayout.HORIZONTAL);
+            getTopControlsRoot().setOrientation(LinearLayout.HORIZONTAL);
             primaryControls.getLayoutParams().width = LinearLayout.LayoutParams.WRAP_CONTENT;
             secondaryControls.setAlpha(1f);
             secondaryControls.setVisibility(View.VISIBLE);
@@ -297,7 +296,7 @@ public class VideoPlayerImpl extends VideoPlayer
             fullscreenButton.setVisibility(View.GONE);
             getRootView().findViewById(R.id.metadataView).setVisibility(View.VISIBLE);
             moreOptionsButton.setVisibility(View.VISIBLE);
-            topControls.setOrientation(LinearLayout.VERTICAL);
+            getTopControlsRoot().setOrientation(LinearLayout.VERTICAL);
             primaryControls.getLayoutParams().width = LinearLayout.LayoutParams.MATCH_PARENT;
             secondaryControls.setVisibility(View.GONE);
             moreOptionsButton.setImageDrawable(service.getResources().getDrawable(
@@ -507,7 +506,7 @@ public class VideoPlayerImpl extends VideoPlayer
 
     @Override
     public void toggleFullscreen() {
-        if (DEBUG) Log.d(TAG, "onFullScreenButtonClicked() called");
+        if (DEBUG) Log.d(TAG, "toggleFullscreen() called");
         if (simpleExoPlayer == null || getCurrentMetadata() == null) return;
 
         if (popupPlayerSelected()) {
@@ -535,6 +534,7 @@ public class VideoPlayerImpl extends VideoPlayer
             if (fragmentListener == null) return;
 
             isFullscreen = !isFullscreen;
+            setControlsWidth();
             fragmentListener.onFullscreenStateChanged(isInFullscreen());
             // When user presses back button in landscape mode and in fullscreen and uses ZOOM mode
             // a video can be larger than screen. Prevent it like this
@@ -595,7 +595,8 @@ public class VideoPlayerImpl extends VideoPlayer
             getControlsVisibilityHandler().removeCallbacksAndMessages(null);
             animateView(getControlsRoot(), true, DEFAULT_CONTROLS_DURATION, 0, () -> {
                 if (getCurrentState() == STATE_PLAYING && !isSomePopupMenuVisible()) {
-                    hideControls(DEFAULT_CONTROLS_DURATION, DEFAULT_CONTROLS_HIDE_TIME);
+                    if (v.getId() == playPauseButton.getId()) hideControls(0, 0);
+                    else hideControls(DEFAULT_CONTROLS_DURATION, DEFAULT_CONTROLS_HIDE_TIME);
                 }
             });
         }
@@ -816,6 +817,8 @@ public class VideoPlayerImpl extends VideoPlayer
         service.getLockManager().acquireWifiAndCpu();
         service.resetNotification();
         service.updateNotification(R.drawable.ic_pause_white);
+
+        service.startForeground(NOTIFICATION_ID, service.getNotBuilder().build());
     }
 
     @Override
@@ -831,6 +834,10 @@ public class VideoPlayerImpl extends VideoPlayer
         service.resetNotification();
         service.updateNotification(R.drawable.ic_play_arrow_white);
 
+        // Remove running notification when user don't want music (or video in popup) to be played in background
+        if (!minimizeOnPopupEnabled() && !backgroundPlaybackEnabled() && videoPlayerSelected())
+            service.stopForeground(true);
+
         getRootView().setKeepScreenOn(false);
 
         service.getLockManager().releaseWifiAndCpu();
@@ -1033,6 +1040,7 @@ public class VideoPlayerImpl extends VideoPlayer
         if (queueVisible) return;
 
         showOrHideButtons();
+        showSystemUIPartially();
         super.showControlsThenHide();
     }
 
@@ -1041,6 +1049,7 @@ public class VideoPlayerImpl extends VideoPlayer
         if (queueVisible) return;
 
         showOrHideButtons();
+        showSystemUIPartially();
         super.showControls(duration);
     }
 
@@ -1078,12 +1087,36 @@ public class VideoPlayerImpl extends VideoPlayer
             queueButton.setVisibility(View.VISIBLE);
     }
 
+    private void showSystemUIPartially() {
+        if (isInFullscreen()) {
+            int visibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                    | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                    | View.SYSTEM_UI_FLAG_FULLSCREEN;
+            getParentActivity().getWindow().getDecorView().setSystemUiVisibility(visibility);
+        }
+    }
+
     @Override
     public void hideSystemUIIfNeeded() {
         if (fragmentListener != null)
             fragmentListener.hideSystemUIIfNeeded();
     }
 
+    private void setControlsWidth() {
+        Point size = new Point();
+        // This method will give a correct size of a usable area of a window.
+        // It doesn't include NavigationBar, notches, etc.
+        getRootView().getDisplay().getSize(size);
+
+        int width = isFullscreen ? size.x : ViewGroup.LayoutParams.MATCH_PARENT;
+        primaryControls.getLayoutParams().width = width;
+        primaryControls.requestLayout();
+        secondaryControls.getLayoutParams().width = width;
+        secondaryControls.requestLayout();
+        getBottomControlsRoot().getLayoutParams().width = width;
+        getBottomControlsRoot().requestLayout();
+    }
+
     private void updatePlaybackButtons() {
         if (repeatButton == null || shuffleButton == null ||
                 simpleExoPlayer == null || playQueue == null) return;

app/src/main/java/org/schabi/newpipe/player/event/CustomBottomSheetBehavior.java

@@ -18,27 +18,30 @@ public class CustomBottomSheetBehavior extends BottomSheetBehavior {
 
     @Override
     public boolean onInterceptTouchEvent(CoordinatorLayout parent, View child, MotionEvent event) {
+        // Behavior of globalVisibleRect is different on different APIs.
+        // For example, on API 19 getGlobalVisibleRect returns a filled rect of a collapsed view while on the latest API
+        // it returns empty rect in that case. So check visibility with return value too
+        boolean visible;
+        Rect rect = new Rect();
+
         // Without overriding scrolling will not work in detail_content_root_layout
         ViewGroup controls = child.findViewById(R.id.detail_content_root_layout);
         if (controls != null) {
-            Rect rect = new Rect();
+            visible = controls.getGlobalVisibleRect(rect);
-            controls.getGlobalVisibleRect(rect);
+            if (rect.contains((int) event.getX(), (int) event.getY()) && visible) return false;
-            if (rect.contains((int) event.getX(), (int) event.getY())) return false;
         }
 
         // Without overriding scrolling will not work on relatedStreamsLayout
         ViewGroup relatedStreamsLayout = child.findViewById(R.id.relatedStreamsLayout);
         if (relatedStreamsLayout != null) {
-            Rect rect = new Rect();
+            visible = relatedStreamsLayout.getGlobalVisibleRect(rect);
-            relatedStreamsLayout.getGlobalVisibleRect(rect);
+            if (rect.contains((int) event.getX(), (int) event.getY()) && visible) return false;
-            if (rect.contains((int) event.getX(), (int) event.getY())) return false;
         }
 
         ViewGroup playQueue = child.findViewById(R.id.playQueue);
         if (playQueue != null) {
-            Rect rect = new Rect();
+            visible = playQueue.getGlobalVisibleRect(rect);
-            playQueue.getGlobalVisibleRect(rect);
+            if (rect.contains((int) event.getX(), (int) event.getY()) && visible) return false;
-            if (rect.contains((int) event.getX(), (int) event.getY())) return false;
         }
 
         return super.onInterceptTouchEvent(parent, child, event);

app/src/main/java/org/schabi/newpipe/player/event/PlayerGestureListener.java

@@ -139,14 +139,6 @@ public class PlayerGestureListener extends GestureDetector.SimpleOnGestureListen
             } else {
                 playerImpl.showControlsThenHide();
             }
-            if (playerImpl.isInFullscreen()) {
-                int visibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                        | View.SYSTEM_UI_FLAG_FULLSCREEN;
-                playerImpl.getParentActivity().getWindow().getDecorView().setSystemUiVisibility(visibility);
-                playerImpl.getParentActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
-                playerImpl.getParentActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
-            }
         }
         return true;
     }

app/src/main/res/layout-large-land/activity_main_player.xml

@@ -377,12 +377,17 @@
                     android:visibility="gone"
                     tools:visibility="visible"/>
 
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="30dp"
+                android:background="@drawable/player_controls_bg"
+                android:layout_alignParentBottom="true" />
+
             <LinearLayout
                 android:id="@+id/bottomControls"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_alignParentBottom="true"
-                android:background="@drawable/player_controls_bg"
                 android:gravity="center"
                 android:orientation="horizontal"
                 android:paddingBottom="6dp"

app/src/main/res/layout/activity_main_player.xml

@@ -375,12 +375,17 @@
                     android:visibility="gone"
                     tools:visibility="visible"/>
 
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="30dp"
+                android:background="@drawable/player_controls_bg"
+                android:layout_alignParentBottom="true" />
+
             <LinearLayout
                 android:id="@+id/bottomControls"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_alignParentBottom="true"
-                android:background="@drawable/player_controls_bg"
                 android:gravity="center"
                 android:orientation="horizontal"
                 android:paddingBottom="6dp"

app/src/main/res/layout/fragment_video_detail.xml

@@ -549,11 +549,10 @@
 		android:layout_height="match_parent"
 		android:alpha="0"
 		tools:alpha="1"
-		android:paddingLeft="@dimen/video_item_search_padding"
-		android:paddingRight="@dimen/video_item_search_padding"
 		android:background="?attr/windowBackground" >
 
 		<ImageButton
+			android:paddingLeft="@dimen/video_item_search_padding"
 			android:id="@+id/overlay_thumbnail"
 			android:layout_width="50dp"
 			android:layout_height="60dp"
@@ -613,6 +612,7 @@
 			android:layout_height="60dp"
 			android:gravity="center_vertical"
 			android:paddingLeft="@dimen/video_item_search_padding"
+			android:paddingRight="@dimen/video_item_search_padding"
 			android:layout_alignParentEnd="true"
 			tools:ignore="RtlHardcoded">