Gamepad API support for chrome on android

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

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.SearchManager;
 import android.content.ContentResolver;
@@ skipping 1437 matching lines @@
     }
 
     /**
      * @see View#onAttachedToWindow()
      */
     @SuppressWarnings("javadoc")
     public void onAttachedToWindow() {
         setAccessibilityState(mAccessibilityManager.isEnabled());
 
         ScreenOrientationListener.getInstance().addObserver(this, mContext);
+        GamepadList.onAttachedToWindow(mContext);
     }
 
     /**
      * @see View#onDetachedFromWindow()
      */
     @SuppressWarnings("javadoc")
     @SuppressLint("MissingSuperCall")
     public void onDetachedFromWindow() {
         setInjectedAccessibility(false);
         hidePopupDialog();
         mZoomControlsDelegate.dismissZoomPicker();
         unregisterAccessibilityContentObserver();
 
         ScreenOrientationListener.getInstance().removeObserver(this);
+        GamepadList.onDetachedFromWindow();
     }
 
     /**
      * @see View#onVisibilityChanged(android.view.View, int)
      */
     public void onVisibilityChanged(View changedView, int visibility) {
         if (visibility != View.VISIBLE) {
             mZoomControlsDelegate.dismissZoomPicker();
         }
     }
@@ skipping 207 matching lines @@
             return mContainerViewInternals.super_dispatchKeyEventPreIme(event);
         } finally {
             TraceEvent.end();
         }
     }
 
     /**
      * @see View#dispatchKeyEvent(KeyEvent)
      */
     public boolean dispatchKeyEvent(KeyEvent event) {
+        if (GamepadList.dispatchKeyEvent(event)) {

[jdduke (slow), 2014/04/04 15:10:17]

Nit: |return true;| on the same line as the conditional, remove braces. Also
below.

[SaurabhK, 2014/04/11 14:41:42]

On 2014/04/04 15:10:17, jdduke wrote:

Done.

+            return true;
+        }
         if (getContentViewClient().shouldOverrideKeyEvent(event)) {
             return mContainerViewInternals.super_dispatchKeyEvent(event);
         }
 
         if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_CENTER) {
             showImeIfNeeded();
             // Event is not consumed here, because ImeAdapter might interpret
             // it as "Enter".
             // showImeIfNeeded respects the policy of
             // InputMethodService.onEvaluateInputViewShown. So IME will not be
@@ skipping 31 matching lines @@
                     event.getX(), event.getY());
         }
         TraceEvent.end("onHoverEvent");
         return true;
     }
 
     /**
      * @see View#onGenericMotionEvent(MotionEvent)
      */
     public boolean onGenericMotionEvent(MotionEvent event) {
+        if (GamepadList.onGenericMotionEvent(event)) {
+            return true;
+        }
         if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
             switch (event.getAction()) {
                 case MotionEvent.ACTION_SCROLL:
                     nativeSendMouseWheelEvent(mNativeContentViewCore, event.getEventTime(),
                             event.getX(), event.getY(),
                             event.getAxisValue(MotionEvent.AXIS_VSCROLL));
 
                     mContainerView.removeCallbacks(mFakeMouseMoveRunnable);
                     // Send a delayed onMouseMove event so that we end
                     // up hovering over the right position after the scroll.
@@ skipping 1535 matching lines @@
             boolean enableHiding, boolean enableShowing, boolean animate);
 
     private native void nativeShowImeIfNeeded(long nativeContentViewCoreImpl);
 
     private native void nativeSetAccessibilityEnabled(
             long nativeContentViewCoreImpl, boolean enabled);
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
 }