Fix GEL integration for RTL mode.

In RTL mode, the Google Now activity starts to the right,
so to return to Trebuchet, the left edge must be swiped.

Change-Id: Ib8869570307b6186e7e9ea19520ed21418a175fb

2 files changed, 33 insertions, 3 deletions

diff --git a/src/com/android/launcher3/GelIntegrationHelper.java b/src/com/android/launcher3/GelIntegrationHelper.java
index 6dd9c0e32..f43e7e6a0 100644
--- a/src/com/android/launcher3/GelIntegrationHelper.java
+++ b/src/com/android/launcher3/GelIntegrationHelper.java
@@ -22,6 +22,7 @@ public class GelIntegrationHelper {
     private static final String GEL_PACKAGE_NAME = "com.google.android.googlequicksearchbox";
 
     private static final int EDGE_GESTURE_SERVICE_RIGHT_EDGE = 4;
+    private static final int EDGE_GESTURE_SERVICE_LEFT_EDGE = 1;
     private static final int EDGE_GESTURE_SERVICE_NO_EDGE = -1;
 
     private EdgeGestureManager.EdgeGestureActivationListener mEdgeGestureActivationListener = null;
@@ -42,7 +43,7 @@ public class GelIntegrationHelper {
      * 2. Starts the Google Now Activity with an exit_out_right transition animation so that
      *    the new Activity appears to slide in as another screen (similar to GEL).
      */
-    public void registerSwipeBackGestureListenerAndStartGel(final Activity launcherActivity) {
+    public void registerSwipeBackGestureListenerAndStartGel(final Activity launcherActivity, boolean isLayoutRtl) {
         EdgeGestureManager edgeGestureManager = EdgeGestureManager.getInstance();
         if(mEdgeGestureActivationListener == null) {
             mEdgeGestureActivationListener = new EdgeGestureManager.EdgeGestureActivationListener() {
@@ -74,8 +75,9 @@ public class GelIntegrationHelper {
             edgeGestureManager.setEdgeGestureActivationListener(mEdgeGestureActivationListener);
         }
         mEdgeGestureActivationListener.restoreListenerState();
+        int edge = isLayoutRtl ? EDGE_GESTURE_SERVICE_LEFT_EDGE : EDGE_GESTURE_SERVICE_RIGHT_EDGE;
         edgeGestureManager.updateEdgeGestureActivationListener(mEdgeGestureActivationListener,
-                                                               EDGE_GESTURE_SERVICE_RIGHT_EDGE);
+                                                               edge);
 
         // Start the Google Now Activity
         Intent i = new Intent(INTENT_ACTION_ASSIST);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c2e0dc9d9..45e56f4be 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -640,7 +640,35 @@ public class Launcher extends Activity
 
     /** To be overriden by subclasses to hint to Launcher that we have custom content */
     protected boolean hasCustomContentToLeft() {
-        return false;
+       return isGelIntegrationSupported() && isGelIntegrationEnabled();
+    }
+
+    public boolean isGelIntegrationSupported() {
+        final SearchManager searchManager =
+            (SearchManager) getSystemService(Context.SEARCH_SERVICE);
+        ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity();
+
+        // Currently the only custom content available is the GEL launcher integration,
+        // only supported on CyanogenMod.
+        return globalSearchActivity != null && isCM();
+    }
+
+    public boolean isGelIntegrationEnabled() {
+        return mGelIntegrationEnabled;
+    }
+
+    public void onCustomContentLaunch() {
+        if(isGelIntegrationEnabled() && isGelIntegrationSupported()) {
+            GelIntegrationHelper.getInstance().registerSwipeBackGestureListenerAndStartGel(this, mWorkspace.isLayoutRtl());
+        }
+    }
+
+    /**
+     * Check if the device running this application is running CyanogenMod.
+     * @return true if this device is running CM.
+     */
+    protected boolean isCM() {
+        return getPackageManager().hasSystemFeature("com.cyanogenmod.android");
     }
 
     /**