PIP: Move PIP to left when Settings is visible

Default PIP location hides the upper part of the Settings,
so it should be moved a bit not to cover it.

Bug: 27891236
Change-Id: I6f13419cc9dc91522696c14a202e25652bd2232a
diff --git a/packages/SystemUI/res/values/config_tv.xml b/packages/SystemUI/res/values/config_tv.xml
index 22b7578..40e3b12 100644
--- a/packages/SystemUI/res/values/config_tv.xml
+++ b/packages/SystemUI/res/values/config_tv.xml
@@ -16,6 +16,10 @@
 
 <resources>
     <!-- Bounds [left top right bottom] on screen for picture-in-picture (PIP) windows,
+         when the PIP menu is shown with settings. -->
+    <string translatable="false" name="pip_settings_bounds">"662 54 1142 324"</string>
+
+    <!-- Bounds [left top right bottom] on screen for picture-in-picture (PIP) windows,
          when the PIP menu is shown in center. -->
     <string translatable="false" name="pip_menu_bounds">"596 280 1324 690"</string>
 
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
index fe54090..a445e77 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
@@ -36,6 +36,7 @@
 import android.os.RemoteException;
 import android.os.SystemProperties;
 import android.util.Log;
+import android.util.Pair;
 
 import com.android.systemui.Prefs;
 import com.android.systemui.R;
@@ -63,6 +64,20 @@
     private static final int MAX_RUNNING_TASKS_COUNT = 10;
 
     /**
+     * List of package and class name which are considered as Settings,
+     * so PIP location should be adjusted to the left of the side panel.
+     */
+    private static final List<Pair<String, String>> sSettingsPackageAndClassNamePairList;
+    static {
+        sSettingsPackageAndClassNamePairList = new ArrayList<>();
+        sSettingsPackageAndClassNamePairList.add(new Pair<String, String>(
+                "com.android.tv.settings", null));
+        sSettingsPackageAndClassNamePairList.add(new Pair<String, String>(
+                "com.google.android.leanbacklauncher",
+                "com.google.android.leanbacklauncher.settings.HomeScreenSettingsActivity"));
+    }
+
+    /**
      * State when there's no PIP.
      */
     public static final int STATE_NO_PIP = 0;
@@ -108,6 +123,7 @@
     private int mSuspendPipResizingReason;
 
     private Context mContext;
+    private SystemServicesProxy mSystemServiceProxy;
     private PipRecentsOverlayManager mPipRecentsOverlayManager;
     private IActivityManager mActivityManager;
     private MediaSessionManager mMediaSessionManager;
@@ -117,6 +133,8 @@
     private List<MediaListener> mMediaListeners = new ArrayList<>();
     private Rect mCurrentPipBounds;
     private Rect mPipBounds;
+    private Rect mDefaultPipBounds;
+    private Rect mSettingsPipBounds;
     private Rect mMenuModePipBounds;
     private Rect mRecentsPipBounds;
     private Rect mRecentsFocusedPipBounds;
@@ -176,8 +194,10 @@
         mInitialized = true;
         mContext = context;
         Resources res = context.getResources();
-        mPipBounds = Rect.unflattenFromString(res.getString(
+        mDefaultPipBounds = Rect.unflattenFromString(res.getString(
                 com.android.internal.R.string.config_defaultPictureInPictureBounds));
+        mSettingsPipBounds = Rect.unflattenFromString(res.getString(
+                R.string.pip_settings_bounds));
         mMenuModePipBounds = Rect.unflattenFromString(res.getString(
                 R.string.pip_menu_bounds));
         mRecentsPipBounds = Rect.unflattenFromString(res.getString(
@@ -186,9 +206,11 @@
                 R.string.pip_recents_focused_bounds));
         mRecentsFocusChangedAnimationDurationMs = res.getInteger(
                 R.integer.recents_tv_pip_focus_anim_duration);
+        mPipBounds = mDefaultPipBounds;
 
         mActivityManager = ActivityManagerNative.getDefault();
-        SystemServicesProxy.getInstance(context).registerTaskStackListener(mTaskStackListener);
+        mSystemServiceProxy = SystemServicesProxy.getInstance(context);
+        mSystemServiceProxy.registerTaskStackListener(mTaskStackListener);
         IntentFilter intentFilter = new IntentFilter();
         intentFilter.addAction(Intent.ACTION_MEDIA_RESOURCE_GRANTED);
         mContext.registerReceiver(mBroadcastReceiver, intentFilter);
@@ -522,10 +544,25 @@
         return PLAYBACK_STATE_UNAVAILABLE;
     }
 
+    private static boolean isSettingsShown(ComponentName topActivity) {
+        for (Pair<String, String> componentName : sSettingsPackageAndClassNamePairList) {
+            String packageName = componentName.first;
+            if (topActivity.getPackageName().equals(componentName.first)) {
+                String className = componentName.second;
+                if (className == null || topActivity.getClassName().equals(className)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     private TaskStackListener mTaskStackListener = new TaskStackListener() {
         @Override
         public void onTaskStackChanged() {
             if (mState != STATE_NO_PIP) {
+                boolean hasPip = false;
+
                 StackInfo stackInfo = null;
                 try {
                     stackInfo = mActivityManager.getStackInfo(PINNED_STACK_ID);
@@ -541,11 +578,32 @@
                 for (int i = stackInfo.taskIds.length - 1; i >= 0; --i) {
                     if (stackInfo.taskIds[i] == mPipTaskId) {
                         // PIP task is still alive.
-                        return;
+                        hasPip = true;
+                        break;
                     }
                 }
-                // PIP task doesn't exist anymore in PINNED_STACK.
-                closePipInternal(true);
+                if (!hasPip) {
+                    // PIP task doesn't exist anymore in PINNED_STACK.
+                    closePipInternal(true);
+                    return;
+                }
+            }
+            if (mState == STATE_PIP_OVERLAY) {
+                try {
+                    List<RunningTaskInfo> runningTasks = mActivityManager.getTasks(1, 0);
+                    if (runningTasks == null || runningTasks.size() == 0) {
+                        return;
+                    }
+                    RunningTaskInfo topTask = runningTasks.get(0);
+                    Rect bounds = isSettingsShown(topTask.topActivity)
+                          ? mSettingsPipBounds : mDefaultPipBounds;
+                    if (mPipBounds != bounds) {
+                        mPipBounds = bounds;
+                        resizePinnedStack(STATE_PIP_OVERLAY);
+                    }
+                } catch (RemoteException e) {
+                    Log.d(TAG, "Failed to detect top activity", e);
+                }
             }
         }