| /* |
| * Copyright (C) 2013,2014 Igalia S.L. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #pragma once |
| |
| #if USE(CAIRO) |
| #include "BackingStoreBackendCairo.h" |
| #include <pal/HysteresisActivity.h> |
| |
| namespace WebCore { |
| |
| class BackingStoreBackendCairoImpl final : public BackingStoreBackendCairo { |
| public: |
| WEBCORE_EXPORT BackingStoreBackendCairoImpl(const IntSize&, float deviceScaleFactor); |
| virtual ~BackingStoreBackendCairoImpl(); |
| |
| private: |
| void scroll(const IntRect&, const IntSize&) override; |
| |
| RefPtr<cairo_surface_t> m_scrollSurface; |
| PAL::HysteresisActivity m_scrolledHysteresis; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // USE(CAIRO) |