Gamepad API support for chrome on android

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 30a5d3eac45087bc0adba8df73c82720af7da65d..70507f5c8240481baa311697c2af46c75f8a99c7 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -1,4 +1,5 @@
 // Copyright 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -126,6 +127,8 @@ public class ContentViewCore
     // expects HashSet (no bindings for interfaces).
     private final HashSet<Object> mRetainedJavaScriptObjects = new HashSet<Object>();
 
+    private GamepadList mGamepadList;
+
     /**
      * Interface that consumers of {@link ContentViewCore} must implement to allow the proper
      * dispatching of view methods through the containing view.
@@ -504,6 +507,7 @@ public class ContentViewCore
         mInsertionHandlePoint = mRenderCoordinates.createNormalizedPoint();
         mAccessibilityManager = (AccessibilityManager)
                 getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
+        mGamepadList = GamepadList.createInstance(context);
     }
 
     /**
@@ -1857,6 +1861,9 @@ public class ContentViewCore
      * @see View#dispatchKeyEvent(KeyEvent)
      */
     public boolean dispatchKeyEvent(KeyEvent event) {
+        if (mGamepadList.isGamepadAccessed() && mGamepadList.isGamepadEvent(event)) {
+            return mGamepadList.updateForEvent(event);
+        }
         if (getContentViewClient().shouldOverrideKeyEvent(event)) {
             return mContainerViewInternals.super_dispatchKeyEvent(event);
         }
@@ -1866,6 +1873,18 @@ public class ContentViewCore
         return mContainerViewInternals.super_dispatchKeyEvent(event);
     }
 
+    public void onPause() {
+        if (mGamepadList != null) {
+            mGamepadList.onPause();
+        }
+    }
+
+    public void onResume() {
+        if (mGamepadList != null) {
+            mGamepadList.onResume();
+        }
+    }
+
     /**
      * @see View#onHoverEvent(MotionEvent)
      * Mouse move events are sent on hover enter, hover move and hover exit.
@@ -1890,6 +1909,9 @@ public class ContentViewCore
      * @see View#onGenericMotionEvent(MotionEvent)
      */
     public boolean onGenericMotionEvent(MotionEvent event) {
+        if (mGamepadList.isGamepadAccessed() && mGamepadList.isGamepadEvent(event)) {
+            return mGamepadList.updateForEvent(event);
+        }
         if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
             switch (event.getAction()) {
                 case MotionEvent.ACTION_SCROLL: