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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 UI_GFX_X_WM_SYNC_H_
#define UI_GFX_X_WM_SYNC_H_
#include "base/component_export.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "ui/gfx/x/event_observer.h"
#include "ui/gfx/x/window_event_manager.h"
#include "ui/gfx/x/xproto.h"
namespace x11 {
class Connection;
// Synchronizes with the X11 window manager if a WM is running,
// otherwise synchronizes with the X11 server.
class COMPONENT_EXPORT(X11) WmSync final : public EventObserver {
public:
WmSync(Connection* connection, base::OnceClosure on_synced);
// If `sync_with_wm` is true, this will sync with the window manager,
// otherwise it will just sync with the server.
WmSync(Connection* connection,
base::OnceClosure on_synced,
bool sync_with_wm);
WmSync(WmSync&&) = delete;
WmSync& operator=(WmSync&&) = delete;
~WmSync() override;
private:
// EventObserver:
void OnEvent(const Event& xevent) override;
void OnGetInputFocusResponse(GetInputFocusResponse response);
void Cleanup();
const raw_ptr<Connection> connection_;
base::OnceClosure on_synced_;
Window window_ = Window::None;
ScopedEventSelector window_events_;
base::ScopedObservation<Connection, EventObserver> scoped_observation_{this};
base::WeakPtrFactory<WmSync> weak_ptr_factory_{this};
};
} // namespace x11
#endif // UI_GFX_X_WM_SYNC_H_
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