Update to Chromium //base at Chromium commit 3e81715e6d3a4324362635aea46ce1f1a163cca1.

android/java/src/org/chromium/base/BaseChromiumApplication.java

 // Copyright 2013 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.base;
 
 import android.app.Activity;
 import android.app.Application;
 import android.content.Context;
 import android.os.Bundle;
-import android.view.KeyEvent;
 import android.view.Window;
 
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-
 /**
  * Basic application functionality that should be shared among all browser applications.
  */
 public class BaseChromiumApplication extends Application {
+    private static final String TAG = "cr.base";
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(base);
+    }
+
     /**
      * Interface to be implemented by listeners for window focus events.
      */
     public interface WindowFocusChangedListener {
         /**
          * Called when the window focus changes for {@code activity}.
          * @param activity The {@link Activity} that has a window focus changed event.
          * @param hasFocus Whether or not {@code activity} gained or lost focus.
          */
         public void onWindowFocusChanged(Activity activity, boolean hasFocus);
     }
 
     private ObserverList<WindowFocusChangedListener> mWindowFocusListeners =
             new ObserverList<WindowFocusChangedListener>();
 
-    /**
-     * Intercepts calls to an existing Window.Callback. Most invocations are passed on directly
-     * to the composed Window.Callback but enables intercepting/manipulating others.
-     *
-     * This is used to relay window focus changes throughout the app and remedy a bug in the
-     * appcompat library.
-     */
-    private class WindowCallbackProxy implements InvocationHandler {
-        private final Window.Callback mCallback;
-        private final Activity mActivity;
-
-        public WindowCallbackProxy(Activity activity, Window.Callback callback) {
-            mCallback = callback;
-            mActivity = activity;
-        }
-
-        @Override
-        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
-            if (method.getName().equals("onWindowFocusChanged") && args.length == 1
-                    && args[0] instanceof Boolean) {
-                onWindowFocusChanged((boolean) args[0]);
-                return null;
-            } else if (method.getName().equals("dispatchKeyEvent") && args.length == 1
-                    && args[0] instanceof KeyEvent) {
-                return dispatchKeyEvent((KeyEvent) args[0]);
-            } else {
-                try {
-                    return method.invoke(mCallback, args);
-                } catch (InvocationTargetException e) {
-                    // Special-case for when a method is not defined on the underlying
-                    // Window.Callback object. Because we're using a Proxy to forward all method
-                    // calls, this breaks the Android framework's handling for apps built against
-                    // an older SDK. The framework expects an AbstractMethodError but due to
-                    // reflection it becomes wrapped inside an InvocationTargetException. Undo the
-                    // wrapping to signal the framework accordingly.
-                    if (e.getCause() instanceof AbstractMethodError) {
-                        throw e.getCause();
-                    }
-                    throw e;
-                }
-            }
-        }
-
-        public void onWindowFocusChanged(boolean hasFocus) {
-            mCallback.onWindowFocusChanged(hasFocus);
-
-            for (WindowFocusChangedListener listener : mWindowFocusListeners) {
-                listener.onWindowFocusChanged(mActivity, hasFocus);
-            }
-        }
-
-        public boolean dispatchKeyEvent(KeyEvent event) {
-            // TODO(aurimas): remove this once AppCompatDelegateImpl no longer steals
-            // KEYCODE_MENU. (see b/20529185)
-            if (event.getKeyCode() == KeyEvent.KEYCODE_MENU && mActivity.dispatchKeyEvent(event)) {
-                return true;
-            }
-            return mCallback.dispatchKeyEvent(event);
-        }
-    }
     @Override
     public void onCreate() {
         super.onCreate();
         ApplicationStatus.initialize(this);
         registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
             @Override
             public void onActivityCreated(final Activity activity, Bundle savedInstanceState) {
                 Window.Callback callback = activity.getWindow().getCallback();
-                activity.getWindow().setCallback((Window.Callback) Proxy.newProxyInstance(
-                        Window.Callback.class.getClassLoader(), new Class[] {Window.Callback.class},
-                        new WindowCallbackProxy(activity, callback)));
+                activity.getWindow().setCallback(new WindowCallbackWrapper(callback) {
+                    @Override
+                    public void onWindowFocusChanged(boolean hasFocus) {
+                        super.onWindowFocusChanged(hasFocus);
+                        for (WindowFocusChangedListener listener : mWindowFocusListeners) {
+                            listener.onWindowFocusChanged(activity, hasFocus);
+                        }
+                    }
+                });
             }
 
             @Override
             public void onActivityDestroyed(Activity activity) {
-                assert Proxy.isProxyClass(activity.getWindow().getCallback().getClass());
+                assert activity.getWindow().getCallback() instanceof WindowCallbackWrapper;
             }
 
             @Override
             public void onActivityPaused(Activity activity) {
-                assert Proxy.isProxyClass(activity.getWindow().getCallback().getClass());
+                assert activity.getWindow().getCallback() instanceof WindowCallbackWrapper;
             }
 
             @Override
             public void onActivityResumed(Activity activity) {
-                assert Proxy.isProxyClass(activity.getWindow().getCallback().getClass());
+                assert activity.getWindow().getCallback() instanceof WindowCallbackWrapper;
             }
 
             @Override
             public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
-                assert Proxy.isProxyClass(activity.getWindow().getCallback().getClass());
+                assert activity.getWindow().getCallback() instanceof WindowCallbackWrapper;
             }
 
             @Override
             public void onActivityStarted(Activity activity) {
-                assert Proxy.isProxyClass(activity.getWindow().getCallback().getClass());
+                assert activity.getWindow().getCallback() instanceof WindowCallbackWrapper;
             }
 
             @Override
             public void onActivityStopped(Activity activity) {
-                assert Proxy.isProxyClass(activity.getWindow().getCallback().getClass());
+                assert activity.getWindow().getCallback() instanceof WindowCallbackWrapper;
             }
         });
     }
 
     /**
      * Registers a listener to receive window focus updates on activities in this application.
      * @param listener Listener to receive window focus events.
      */
     public void registerWindowFocusChangedListener(WindowFocusChangedListener listener) {
         mWindowFocusListeners.addObserver(listener);
@@ skipping 10 matching lines @@
     /** Initializes the {@link CommandLine}. */
     public void initCommandLine() {}
 
     /**
      * This must only be called for contexts whose application is a subclass of
      * {@link BaseChromiumApplication}.
      */
     @VisibleForTesting
     public static void initCommandLine(Context context) {
         ((BaseChromiumApplication) context.getApplicationContext()).initCommandLine();
-    };
+    }
 }