Add support for initiating a drag from an overlay.

This allows an overlay to create apps and shortcuts on the home screen.

Change-Id: I63ee4ef02db3f4bc89726c394fd55ad26f50452c

1 files changed, 20 insertions, 0 deletions

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 57f7d5501..b7efdb5d3 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -49,6 +49,7 @@ import android.content.SharedPreferences;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.ResolveInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.database.ContentObserver;
@@ -4669,6 +4670,25 @@ public class Launcher extends Activity
                 DISMISS_CLING_DURATION, true);
     }
 
+    public ItemInfo createAppDragInfo(Intent appLaunchIntent) {
+        ResolveInfo ri = getPackageManager().resolveActivity(appLaunchIntent, 0);
+        if (ri == null) {
+            return null;
+        }
+        return new AppInfo(getPackageManager(), ri, mIconCache, null);
+    }
+
+    public ItemInfo createShortcutDragInfo(Intent shortcutIntent, CharSequence caption,
+            Bitmap icon) {
+        return new ShortcutInfo(shortcutIntent, caption, icon);
+    }
+
+    public void startDrag(View dragView, ItemInfo dragInfo, DragSource source) {
+        dragView.setTag(dragInfo);
+        mWorkspace.onDragStartedWithItem(dragView);
+        mWorkspace.beginDragShared(dragView, source);
+    }
+
     /**
      * To avoid managing preference change listeners for various parts of the
      * launcher we simply kill the process and let it reload from scratch.