Index: app/active_window_watcher_x.h |
=================================================================== |
--- app/active_window_watcher_x.h (revision 71854) |
+++ app/active_window_watcher_x.h (working copy) |
@@ -1,56 +0,0 @@ |
-// Copyright (c) 2009 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. |
- |
-#ifndef APP_ACTIVE_WINDOW_WATCHER_X_H_ |
-#define APP_ACTIVE_WINDOW_WATCHER_X_H_ |
-#pragma once |
- |
-#include <gdk/gdk.h> |
- |
-#include "base/basictypes.h" |
-#include "base/observer_list.h" |
-#include "base/singleton.h" |
- |
-// This is a helper class that is used to keep track of which window the X |
-// window manager thinks is active. Add an Observer to listener for changes to |
-// the active window. |
-class ActiveWindowWatcherX { |
- public: |
- class Observer { |
- public: |
- // |active_window| will be NULL if the active window isn't one of Chrome's. |
- virtual void ActiveWindowChanged(GdkWindow* active_window) = 0; |
- |
- protected: |
- virtual ~Observer() {} |
- }; |
- |
- static ActiveWindowWatcherX* GetInstance(); |
- |
- static void AddObserver(Observer* observer); |
- static void RemoveObserver(Observer* observer); |
- |
- private: |
- friend struct DefaultSingletonTraits<ActiveWindowWatcherX>; |
- |
- ActiveWindowWatcherX(); |
- ~ActiveWindowWatcherX(); |
- |
- void Init(); |
- |
- // Sends a notification out through the NotificationService that the active |
- // window has changed. |
- void NotifyActiveWindowChanged(); |
- |
- // Callback for PropertyChange XEvents. |
- static GdkFilterReturn OnWindowXEvent(GdkXEvent* xevent, |
- GdkEvent* event, |
- gpointer window_watcher); |
- |
- ObserverList<Observer> observers_; |
- |
- DISALLOW_COPY_AND_ASSIGN(ActiveWindowWatcherX); |
-}; |
- |
-#endif // APP_ACTIVE_WINDOW_WATCHER_X_H_ |