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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_VIEWS_WIDGET_X11_DESKTOP_HANDLER_H_ | |
| 6 #define UI_VIEWS_WIDGET_X11_DESKTOP_HANDLER_H_ | |
| 7 | |
| 8 #include <X11/Xlib.h> | |
| 9 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class. | |
| 10 #undef RootWindow | |
| 11 | |
| 12 #include "base/message_loop.h" | |
| 13 #include "ui/aura/env_observer.h" | |
| 14 #include "ui/base/x/x11_atom_cache.h" | |
| 15 #include "ui/views/views_export.h" | |
| 16 | |
| 17 template <typename T> struct DefaultSingletonTraits; | |
| 18 | |
| 19 namespace views { | |
| 20 | |
| 21 // A singleton that owns global objects related to the desktop and listens for | |
| 22 // X11 events on the X11 root window. Destroys itself when aura::Env is | |
| 23 // deleted. | |
| 24 class VIEWS_EXPORT X11DesktopHandler | |
| 25 : public MessageLoop::Dispatcher, | |
| 26 public aura::EnvObserver { | |
| 27 public: | |
| 28 // Returns the singleton handler. | |
| 29 static X11DesktopHandler* get(); | |
| 30 | |
| 31 // Sends a request to the window manager to activate |window|. | |
| 32 void ActivateWindow(::Window window); | |
| 33 | |
| 34 // Checks if the current active window is |window|. | |
| 35 bool IsActiveWindow(::Window window) const; | |
| 36 | |
| 37 // Overridden from MessageLoop::Dispatcher: | |
| 38 virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE; | |
| 39 | |
| 40 // Overridden from aura::EnvObserver: | |
| 41 virtual void OnWindowInitialized(aura::Window* window) OVERRIDE; | |
| 42 virtual void OnWillDestroyEnv() OVERRIDE; | |
| 43 | |
| 44 private: | |
| 45 explicit X11DesktopHandler(); | |
| 46 virtual ~X11DesktopHandler(); | |
| 47 | |
| 48 // Handles changes in activation. | |
| 49 void OnActiveWindowChanged(::Window window); | |
| 50 | |
| 51 // The display and the native X window hosting the root window. | |
| 52 Display* xdisplay_; | |
| 53 | |
| 54 // The native root window. | |
| 55 ::Window x_root_window_; | |
| 56 | |
| 57 // The activated window. | |
| 58 ::Window current_window_; | |
| 59 | |
| 60 ui::X11AtomCache atom_cache_; | |
| 61 | |
| 62 DISALLOW_COPY_AND_ASSIGN(X11DesktopHandler); | |
| 63 }; | |
| 64 | |
| 65 } // namespace views | |
| 66 | |
| 67 #endif // UI_VIEWS_WIDGET_X11_DESKTOP_HANDLER_H_ | |
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Chromium Code Reviews
Issue 11369220:
Move the desktop aura classes into a desktop subdir to make the gyp simpler. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/