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// 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.
#ifndef UI_AURA_MONITOR_CHANGE_OBSERVER_X11_H
#define UI_AURA_MONITOR_CHANGE_OBSERVER_X11_H
#pragma once
#include <X11/Xlib.h>
// Xlib.h defines RootWindow.
#undef RootWindow
#include "base/basictypes.h"
#include "base/message_loop.h"
namespace aura {
namespace internal {
// An object that observes changes in monitor configuration and
// update MonitorManagers.
class MonitorChangeObserverX11 : public MessageLoop::Dispatcher {
public:
MonitorChangeObserverX11();
virtual ~MonitorChangeObserverX11();
// Overridden from Dispatcher overrides:
virtual bool Dispatch(const base::NativeEvent& xev) OVERRIDE;
// Reads display configurations from the system and notifies
// |monitor_manager_| about the change.
void NotifyDisplayChange();
private:
Display* xdisplay_;
::Window x_root_window_;
int xrandr_event_base_;
DISALLOW_COPY_AND_ASSIGN(MonitorChangeObserverX11);
};
} // namespace internal
} // namespace aura
#endif // UI_AURA_MONITOR_CHANGE_OBSERVER_X11_H
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