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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_LINUX_DESKTOP_DISPLAY_INFO_LOADER_X11_H_
#define REMOTING_HOST_LINUX_DESKTOP_DISPLAY_INFO_LOADER_X11_H_
#include "base/memory/raw_ptr.h"
#include "remoting/host/desktop_display_info_loader.h"
#include "ui/gfx/x/event.h"
#include "ui/gfx/x/event_observer.h"
#include "ui/gfx/x/randr.h"
#include "ui/gfx/x/window_event_manager.h"
namespace remoting {
class DesktopDisplayInfoLoaderX11 : public DesktopDisplayInfoLoader,
public x11::EventObserver {
public:
DesktopDisplayInfoLoaderX11();
~DesktopDisplayInfoLoaderX11() override;
// DesktopDisplayInfoLoader implementation.
void Init() override;
DesktopDisplayInfo GetCurrentDisplayInfo() override;
// x11::EventObserver implementation.
void OnEvent(const x11::Event& xevent) override;
private:
// Queries the X server and updates |monitors_|.
void LoadMonitors();
raw_ptr<x11::Connection> connection_ = nullptr;
raw_ptr<x11::RandR> randr_ = nullptr;
// Selector for root window events.
x11::ScopedEventSelector root_window_events_;
std::vector<x11::RandR::MonitorInfo> monitors_;
};
} // namespace remoting
#endif // REMOTING_HOST_LINUX_DESKTOP_DISPLAY_INFO_LOADER_X11_H_
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