Merge "Allow pressing home button on recents if command queue not empty" into udc-qpr-dev

quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

@@ -1328,9 +1328,9 @@ public class QuickstepLauncher extends Launcher {
                                 : groupTask.mSplitBounds.leftTaskPercent);
     }
 
-    public boolean isCommandQueueEmpty() {
+    public boolean canStartHomeSafely() {
         OverviewCommandHelper overviewCommandHelper = mTISBindHelper.getOverviewCommandHelper();
-        return overviewCommandHelper == null || overviewCommandHelper.isCommandQueueEmpty();
+        return overviewCommandHelper == null || overviewCommandHelper.canStartHomeSafely();
     }
 
     private static final class LauncherTaskViewController extends

quickstep/src/com/android/quickstep/OverviewCommandHelper.java

@@ -141,8 +141,8 @@ public class OverviewCommandHelper {
     }
 
     @UiThread
-    public boolean isCommandQueueEmpty() {
-        return mPendingCommands.isEmpty();
+    public boolean canStartHomeSafely() {
+        return mPendingCommands.isEmpty() || mPendingCommands.get(0).type == TYPE_HOME;
     }
 
     @Nullable

quickstep/src/com/android/quickstep/RecentsActivity.java

@@ -470,8 +470,8 @@ public final class RecentsActivity extends StatefulActivity<RecentsState> {
         };
     }
 
-    public boolean isCommandQueueEmpty() {
+    public boolean canStartHomeSafely() {
         OverviewCommandHelper overviewCommandHelper = mTISBindHelper.getOverviewCommandHelper();
-        return overviewCommandHelper == null || overviewCommandHelper.isCommandQueueEmpty();
+        return overviewCommandHelper == null || overviewCommandHelper.canStartHomeSafely();
     }
 }

quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java

@@ -86,8 +86,8 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity, RecentsSta
     }
 
     @Override
-    protected boolean isCommandQueueEmpty() {
-        return mActivity.isCommandQueueEmpty();
+    protected boolean canStartHomeSafely() {
+        return mActivity.canStartHomeSafely();
     }
 
     /**

quickstep/src/com/android/quickstep/views/LauncherRecentsView.java

@@ -94,8 +94,8 @@ public class LauncherRecentsView extends RecentsView<QuickstepLauncher, Launcher
     }
 
     @Override
-    protected boolean isCommandQueueEmpty() {
-        return mActivity.isCommandQueueEmpty();
+    protected boolean canStartHomeSafely() {
+        return mActivity.canStartHomeSafely();
     }
 
     @Override

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -165,6 +165,7 @@ import com.android.launcher3.util.VibratorWrapper;
 import com.android.launcher3.util.ViewPool;
 import com.android.quickstep.BaseActivityInterface;
 import com.android.quickstep.GestureState;
+import com.android.quickstep.OverviewCommandHelper;
 import com.android.quickstep.RecentsAnimationController;
 import com.android.quickstep.RecentsAnimationTargets;
 import com.android.quickstep.RecentsFilterState;
@@ -2367,14 +2368,14 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
     }
 
     public void startHome(boolean animated) {
-        if (!isCommandQueueEmpty()) return;
+        if (!canStartHomeSafely()) return;
         handleStartHome(animated);
     }
 
     protected abstract void handleStartHome(boolean animated);
 
-    /** Returns whether the overview command helper queue is empty. */
-    protected abstract boolean isCommandQueueEmpty();
+    /** Returns whether user can start home based on state in {@link OverviewCommandHelper}. */
+    protected abstract boolean canStartHomeSafely();
 
     public void reset() {
         setCurrentTask(-1);