1/* 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24#ifndef StyleCachedImage_h 25#define StyleCachedImage_h 26 27#include "CachedImageClient.h" 28#include "CachedResourceHandle.h" 29#include "StyleImage.h" 30 31namespace WebCore { 32 33class CachedImage; 34 35class StyleCachedImage final : public StyleImage, private CachedImageClient { 36 WTF_MAKE_FAST_ALLOCATED; 37public: 38 static PassRefPtr<StyleCachedImage> create(CachedImage* image) { return adoptRef(new StyleCachedImage(image)); } 39 virtual ~StyleCachedImage(); 40 41 virtual CachedImage* cachedImage() const override { return m_image.get(); } 42 43private: 44 virtual WrappedImagePtr data() const override { return m_image.get(); } 45 46 virtual PassRefPtr<CSSValue> cssValue() const override; 47 48 virtual bool canRender(const RenderObject*, float multiplier) const override; 49 virtual bool isLoaded() const override; 50 virtual bool errorOccurred() const override; 51 virtual FloatSize imageSize(const RenderElement*, float multiplier) const override; 52 virtual bool imageHasRelativeWidth() const override; 53 virtual bool imageHasRelativeHeight() const override; 54 virtual void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override; 55 virtual bool usesImageContainerSize() const override; 56 virtual void setContainerSizeForRenderer(const RenderElement*, const FloatSize&, float) override; 57 virtual void addClient(RenderElement*) override; 58 virtual void removeClient(RenderElement*) override; 59 virtual PassRefPtr<Image> image(RenderElement*, const FloatSize&) const override; 60 virtual bool knownToBeOpaque(const RenderElement*) const override; 61 62 explicit StyleCachedImage(CachedImage*); 63 64 CachedResourceHandle<CachedImage> m_image; 65}; 66 67STYLE_IMAGE_TYPE_CASTS(StyleCachedImage, StyleImage, isCachedImage) 68 69} 70#endif 71