1 /* 2 Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Library 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 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public License 15 along with this library; see the file COPYING.LIB. If not, write to 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef TiledBackingStoreClient_h 21 #define TiledBackingStoreClient_h 22 23 namespace WebCore { 24 25 #if ENABLE(TILED_BACKING_STORE) 26 class TiledBackingStoreClient { 27 public: 28 virtual void tiledBackingStorePaintBegin() = 0; 29 virtual void tiledBackingStorePaint(GraphicsContext*, const IntRect&) = 0; 30 virtual void tiledBackingStorePaintEnd(const Vector<IntRect>& paintedArea) = 0; 31 virtual IntRect tiledBackingStoreContentsRect() = 0; 32 virtual IntRect tiledBackingStoreVisibleRect() = 0; 33 virtual Color tiledBackingStoreBackgroundColor() const = 0; 34 }; 35 36 #else 37 class TiledBackingStoreClient {}; 38 #endif 39 40 } 41 42 #endif 43