Implement feature #2117336: Create event communication APIs for live wallpaper

Note: currently only implements an async version (no result), and not yet
actually tested.

Change-Id: Id47ed045a4b0eb309ea8c58daf41a0e03eff1d3a

3 files changed, 21 insertions, 2 deletions

diff --git a/core/java/android/view/IWindow.aidl b/core/java/android/view/IWindow.aidl
index 7977578..6bfc8b5 100644
--- a/core/java/android/view/IWindow.aidl
+++ b/core/java/android/view/IWindow.aidl
@@ -18,11 +18,11 @@
 package android.view;
 
 import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 
-import android.os.ParcelFileDescriptor;
-
 /**
  * API back to a client window that the Window Manager uses to inform it of
  * interesting things happening.
@@ -63,4 +63,7 @@ oneway interface IWindow {
      * Called for wallpaper windows when their offsets change.
      */
     void dispatchWallpaperOffsets(float x, float y, boolean sync);
+    
+    void dispatchWallpaperCommand(String action, int x, int y,
+            int z, in Bundle extras, boolean sync);
 }
diff --git a/core/java/android/view/IWindowSession.aidl b/core/java/android/view/IWindowSession.aidl
index 9b8b6d4..7e7a38f 100644
--- a/core/java/android/view/IWindowSession.aidl
+++ b/core/java/android/view/IWindowSession.aidl
@@ -19,6 +19,7 @@ package android.view;
 
 import android.graphics.Rect;
 import android.graphics.Region;
+import android.os.Bundle;
 import android.view.IWindow;
 import android.view.MotionEvent;
 import android.view.WindowManager;
@@ -116,4 +117,9 @@ interface IWindowSession {
     void setWallpaperPosition(IBinder windowToken, float x, float y);
     
     void wallpaperOffsetsComplete(IBinder window);
+    
+    Bundle sendWallpaperCommand(IBinder window, String action, int x, int y,
+            int z, in Bundle extras, boolean sync);
+    
+    void wallpaperCommandComplete(IBinder window, in Bundle result);
 }
diff --git a/core/java/android/view/ViewRoot.java b/core/java/android/view/ViewRoot.java
index 3b83044..f4593f5 100644
--- a/core/java/android/view/ViewRoot.java
+++ b/core/java/android/view/ViewRoot.java
@@ -2903,6 +2903,16 @@ public final class ViewRoot extends Handler implements ViewParent,
                 }
             }
         }
+        
+        public void dispatchWallpaperCommand(String action, int x, int y,
+                int z, Bundle extras, boolean sync) {
+            if (sync) {
+                try {
+                    sWindowSession.wallpaperCommandComplete(asBinder(), null);
+                } catch (RemoteException e) {
+                }
+            }
+        }
     }
 
     /**