Gamepad API for 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 41 matching lines @@
 import org.chromium.base.CalledByNative;
 import org.chromium.base.CommandLine;
 import org.chromium.base.JNINamespace;
 import org.chromium.base.ObserverList;
 import org.chromium.base.ObserverList.RewindableIterator;
 import org.chromium.base.TraceEvent;
 import org.chromium.content.R;
 import org.chromium.content.browser.accessibility.AccessibilityInjector;
 import org.chromium.content.browser.accessibility.BrowserAccessibilityManager;
 import org.chromium.content.browser.input.AdapterInputConnection;
+import org.chromium.content.browser.input.GamepadAdapter;
 import org.chromium.content.browser.input.HandleView;
 import org.chromium.content.browser.input.ImeAdapter;
 import org.chromium.content.browser.input.ImeAdapter.AdapterInputConnectionFactory;
 import org.chromium.content.browser.input.InputMethodManagerWrapper;
 import org.chromium.content.browser.input.InsertionHandleController;
 import org.chromium.content.browser.input.SelectPopupDialog;
 import org.chromium.content.browser.input.SelectPopupItem;
 import org.chromium.content.browser.input.SelectionHandleController;
 import org.chromium.content.common.ContentSwitches;
 import org.chromium.content_public.browser.GestureStateListener;
@@ skipping 368 matching lines @@
             deviceScaleFactor = Float.valueOf(forceScaleFactor);
         }
         mRenderCoordinates.setDeviceScaleFactor(deviceScaleFactor);
         mStartHandlePoint = mRenderCoordinates.createNormalizedPoint();
         mEndHandlePoint = mRenderCoordinates.createNormalizedPoint();
         mInsertionHandlePoint = mRenderCoordinates.createNormalizedPoint();
         mAccessibilityManager = (AccessibilityManager)
                 getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
         mGestureStateListeners = new ObserverList<GestureStateListener>();
         mGestureStateListenersIterator = mGestureStateListeners.rewindableIterator();
+        GamepadAdapter.initialize(context);
     }
 
     /**
      * @return The context used for creating this ContentViewCore.
      */
     @CalledByNative
     public Context getContext() {
         return mContext;
     }
 
@@ skipping 904 matching lines @@
     /**
      * To be called when the ContentView is shown.
      */
     public void onShow() {
         assert mNativeContentViewCore != 0;
         if (!mInForeground) {
             int pid = nativeGetCurrentRenderProcessId(mNativeContentViewCore);
             ChildProcessLauncher.getBindingManager().setInForeground(pid, true);
         }
         mInForeground = true;
+        GamepadAdapter.getInstance().resume();
         nativeOnShow(mNativeContentViewCore);
         setAccessibilityState(mAccessibilityManager.isEnabled());
     }
 
     /**
      * To be called when the ContentView is hidden.
      */
     public void onHide() {
         assert mNativeContentViewCore != 0;
         if (mInForeground) {
             int pid = nativeGetCurrentRenderProcessId(mNativeContentViewCore);
             ChildProcessLauncher.getBindingManager().setInForeground(pid, false);
         }
         mInForeground = false;
         hidePopupDialog();
         setInjectedAccessibility(false);
+        GamepadAdapter.getInstance().pause();
         nativeOnHide(mNativeContentViewCore);
     }
 
     /**
      * Return the ContentSettings object used to retrieve the settings for this
      * ContentViewCore. For modifications, ChromeNativePreferences is to be used.
      * @return A ContentSettings object that can be used to retrieve this
      *         ContentViewCore's settings.
      */
     public ContentSettings getContentSettings() {
@@ skipping 287 matching lines @@
     }
 
     /**
      * @see View#dispatchKeyEvent(KeyEvent)
      */
     public boolean dispatchKeyEvent(KeyEvent event) {
         if (getContentViewClient().shouldOverrideKeyEvent(event)) {
             return mContainerViewInternals.super_dispatchKeyEvent(event);
         }
 
+        if (GamepadAdapter.getInstance().handleKeyEvent(event)) return true;
+
         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
             // shown if you have QWERTY physical keyboard attached.
             // Also, IME will not be shown if the focus is not on the input
             // field. See ImeAdapter.attachAndShowIfNeeded
         }
@@ skipping 41 matching lines @@
                     mFakeMouseMoveRunnable = new Runnable() {
                         @Override
                         public void run() {
                             onHoverEvent(eventFakeMouseMove);
                         }
                     };
                     mContainerView.postDelayed(mFakeMouseMoveRunnable, 250);
                     return true;
             }
         }
+
+        if (GamepadAdapter.getInstance().handleMotionEvent(event)) return true;
+
         return mContainerViewInternals.super_onGenericMotionEvent(event);
     }
 
     /**
      * @see View#scrollBy(int, int)
      * Currently the ContentView scrolling happens in the native side. In
      * the Java view system, it is always pinned at (0, 0). scrollBy() and scrollTo()
      * are overridden, so that View's mScrollX and mScrollY will be unchanged at
      * (0, 0). This is critical for drawing ContentView correctly.
      */
@@ skipping 1522 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);
 }