Merge "Stop preloading recent tasks in SysUI when bound to overview service" into pi-dev

am: 3955e1979f

Change-Id: Ie760ce1decf33d709dcd20c3af0d5dfc174037d8

packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java

@@ -26,6 +26,7 @@ import android.app.ActivityManager;
 import android.app.ActivityOptions;
 import android.app.trust.TrustManager;
 import android.content.ActivityNotFoundException;
+import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
@@ -45,6 +46,8 @@ import android.view.WindowManager;
 
 import android.widget.Toast;
 
+import com.android.systemui.Dependency;
+import com.android.systemui.OverviewProxyService;
 import com.google.android.collect.Lists;
 
 import com.android.internal.logging.MetricsLogger;
@@ -122,6 +125,11 @@ public class RecentsImpl implements ActivityOptions.OnAnimationFinishedListener
 
         @Override
         public void onTaskStackChangedBackground() {
+            // Skip background preloading recents in SystemUI if the overview services is bound
+            if (Dependency.get(OverviewProxyService.class).getProxy() != null) {
+                return;
+            }
+
             // Check this is for the right user
             if (!checkCurrentUserId(mContext, false /* debug */)) {
                 return;
@@ -257,6 +265,17 @@ public class RecentsImpl implements ActivityOptions.OnAnimationFinishedListener
         }
     });
 
+    private OverviewProxyService.OverviewProxyListener mOverviewProxyListener =
+            new OverviewProxyService.OverviewProxyListener() {
+        @Override
+        public void onConnectionChanged(boolean isConnected) {
+            if (!isConnected) {
+                // Clear everything when the connection to the overview service
+                Recents.getTaskLoader().onTrimMemory(ComponentCallbacks2.TRIM_MEMORY_COMPLETE);
+            }
+        }
+    };
+
     public RecentsImpl(Context context) {
         mContext = context;
         mHandler = new Handler();
@@ -277,6 +296,11 @@ public class RecentsImpl implements ActivityOptions.OnAnimationFinishedListener
     }
 
     public void onBootCompleted() {
+        // Skip preloading tasks if we are already bound to the service
+        if (Dependency.get(OverviewProxyService.class).getProxy() != null) {
+            return;
+        }
+
         // When we start, preload the data associated with the previous recent tasks.
         // We can use a new plan since the caches will be the same.
         RecentsTaskLoader loader = Recents.getTaskLoader();