From 3ebc1e3f9963c8d786f83f21abb6b6f78270ede1 Mon Sep 17 00:00:00 2001
From: Jaewan Kim <jaewan@google.com>
Date: Fri, 26 Feb 2016 12:54:33 -0800
Subject: [PATCH] PIP: Show recents again when PIP menu is closed

Framework enforces that an app cannot go back to Recents.
So launches the Recents again for the PIP menu.

Change-Id: I7526edfe7dd38c7eb1befe6a8b2b5f4ea30aa84e
---
 .../systemui/tv/pip/PipMenuActivity.java        | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
index fb7fa4de088f4..fd753e9a7044f 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
@@ -25,6 +25,9 @@ import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.android.systemui.R;
+import com.android.systemui.SystemUI;
+import com.android.systemui.SystemUIApplication;
+import com.android.systemui.recents.Recents;
 
 import static android.content.pm.PackageManager.FEATURE_LEANBACK;
 import static android.content.pm.PackageManager.FEATURE_PICTURE_IN_PICTURE;
@@ -214,4 +217,18 @@ public class PipMenuActivity extends Activity implements PipManager.Listener {
         mPipManager.suspendPipResizing(
                 PipManager.SUSPEND_PIP_RESIZE_REASON_WAITING_FOR_MENU_ACTIVITY_FINISH);
     }
+
+    @Override
+    public void finish() {
+        super.finish();
+        if (mPipManager.isRecentsShown()) {
+            SystemUI[] services = ((SystemUIApplication) getApplication()).getServices();
+            for (int i = services.length - 1; i >= 0; i--) {
+                if (services[i] instanceof Recents) {
+                    ((Recents) services[i]).showRecents(false, null);
+                    break;
+                }
+            }
+        }
+    }
 }