WaylandSurfaceLock.h

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef MOZ_WAYLAND_SURFACE_LOCK_H_

#define MOZ_WAYLAND_SURFACE_LOCK_H_

#include "mozilla/RefPtr.h"

struct wl_surface;

struct _MozContainer;

typedef struct _MozContainer MozContainer;

namespace mozilla::widget {

class WaylandSurface;

// WaylandSurfaceLock is used to change and commit to wl_surface in atomic way

// and prevents failures if explicit sync is used (Bug 1898476).

// Also it's used as an argument if we need to make sure WaylandSurface is

// locked.

class WaylandSurfaceLock final {

 public:

  explicit WaylandSurfaceLock(RefPtr<WaylandSurface> aWaylandSurface,

                              bool aSkipCommit = false);

  ~WaylandSurfaceLock();

  WaylandSurface* GetWaylandSurface() const;

  void RequestForceCommit() {

#ifdef MOZ_WAYLAND

    mForceCommit = true;

#endif

#ifdef MOZ_WAYLAND

  void Commit();

#endif

 private:

#ifdef MOZ_WAYLAND

  RefPtr<WaylandSurface> mWaylandSurface;

  wl_surface* mSurface = nullptr;

  bool mForceCommit = false;

  bool mSkipCommit = false;

#endif

};

}  // namespace mozilla::widget

#endif /* MOZ_WAYLAND_SURFACE_LOCK_H_ */