blob: 56b2084e7a51996f1427652b170020c6a80bd50c [file] [log] [blame]
// Copyright (c) 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.
#include <X11/Xlib.h>
// Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
#undef RootWindow
#include <vector>
#include "ui/aura/env_observer.h"
#include "ui/events/platform/platform_event_dispatcher.h"
#include "ui/gfx/x/x11_atom_cache.h"
#include "ui/gfx/x/x11_types.h"
#include "ui/views/views_export.h"
template <typename T> struct DefaultSingletonTraits;
namespace views {
// A singleton that owns global objects related to the desktop and listens for
// X11 events on the X11 root window. Destroys itself when aura::Env is
// deleted.
class VIEWS_EXPORT X11DesktopHandler : public ui::PlatformEventDispatcher,
public aura::EnvObserver {
// Returns the singleton handler.
static X11DesktopHandler* get();
// Gets/sets the X11 server time of the most recent mouse click, touch or
// key press on a Chrome window.
int wm_user_time_ms() const {
return wm_user_time_ms_;
void set_wm_user_time_ms(unsigned long time_ms) {
wm_user_time_ms_ = time_ms;
// Sends a request to the window manager to activate |window|.
// This method should only be called if the window is already mapped.
void ActivateWindow(::Window window);
// Checks if the current active window is |window|.
bool IsActiveWindow(::Window window) const;
// Processes activation/focus related events. Some of these events are
// dispatched to the X11 window dispatcher, and not to the X11 root-window
// dispatcher. The window dispatcher sends these events to here.
void ProcessXEvent(XEvent* event);
// ui::PlatformEventDispatcher
virtual bool CanDispatchEvent(const ui::PlatformEvent& event) OVERRIDE;
virtual uint32_t DispatchEvent(const ui::PlatformEvent& event) OVERRIDE;
// Overridden from aura::EnvObserver:
virtual void OnWindowInitialized(aura::Window* window) OVERRIDE;
virtual void OnWillDestroyEnv() OVERRIDE;
explicit X11DesktopHandler();
virtual ~X11DesktopHandler();
// Handles changes in activation.
void OnActiveWindowChanged(::Window window);
// The display and the native X window hosting the root window.
XDisplay* xdisplay_;
// The native root window.
::Window x_root_window_;
// The X11 server time of the most recent mouse click, touch, or key press
// on a Chrome window.
unsigned long wm_user_time_ms_;
// The activated window.
::Window current_window_;
ui::X11AtomCache atom_cache_;
bool wm_supports_active_window_;
} // namespace views