widget/WindowSurfaceX11SHM.h
author Jorg K <jorgk@jorgk.com>
Mon, 07 Aug 2017 14:44:00 -0400
branchTHUNDERBIRD560b1_2017080501_RELBRANCH
changeset 421090 3566a92f2698ed06ceeb68a2dc6b738c22b49465
parent 345077 586815d86b50e44a1cc48c734c4da6efcd8ae8ff
child 505383 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1388166 - Handle case where chromeWin.getBrowser() doesn't exist. r=johannh a=jorgk DONTBUILD

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H
#define _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H

#ifdef MOZ_X11

#include "mozilla/widget/WindowSurface.h"
#include "nsShmImage.h"

namespace mozilla {
namespace widget {

class WindowSurfaceX11SHM : public WindowSurface {
public:
  WindowSurfaceX11SHM(Display* aDisplay, Drawable aWindow, Visual* aVisual,
                      unsigned int aDepth);

  already_AddRefed<gfx::DrawTarget> Lock(const LayoutDeviceIntRegion& aRegion) override;
  void Commit(const LayoutDeviceIntRegion& aInvalidRegion) override;

private:
  RefPtr<nsShmImage> mFrontImage;
  RefPtr<nsShmImage> mBackImage;
};

}  // namespace widget
}  // namespace mozilla

#endif // MOZ_X11
#endif // _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H