1/*
2 * Copyright (C) 2013,2014 Igalia S.L.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#pragma once
20
21#if USE(CAIRO)
22#include "BackingStoreBackendCairo.h"
23#include <pal/HysteresisActivity.h>
24
25namespace WebCore {
26
27class BackingStoreBackendCairoImpl final : public BackingStoreBackendCairo {
28public:
29 WEBCORE_EXPORT BackingStoreBackendCairoImpl(const IntSize&, float deviceScaleFactor);
30 virtual ~BackingStoreBackendCairoImpl();
31
32private:
33 void scroll(const IntRect&, const IntSize&) override;
34
35 RefPtr<cairo_surface_t> m_scrollSurface;
36 PAL::HysteresisActivity m_scrolledHysteresis;
37};
38
39} // namespace WebCore
40
41#endif // USE(CAIRO)
42