1/* 2 * Copyright (C) 1999 Lars Knoll <knoll@kde.org> 3 * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org> 4 * Copyright (C) 2000 Dirk Mueller <mueller@kde.org> 5 * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com> 6 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com> 7 * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved. 8 * Copyright (C) 2010 Google Inc. All rights reserved. 9 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> 10 * 11 * This library is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Library General Public 13 * License as published by the Free Software Foundation; either 14 * version 2 of the License, or (at your option) any later version. 15 * 16 * This library is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * Library General Public License for more details. 20 * 21 * You should have received a copy of the GNU Library General Public License 22 * along with this library; see the file COPYING.LIB. If not, write to 23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24 * Boston, MA 02110-1301, USA. 25 * 26 */ 27 28#include "config.h" 29#include "RenderImageResource.h" 30 31#include "CachedImage.h" 32#include "Image.h" 33#include "RenderImageResourceStyleImage.h" 34#include "RenderObject.h" 35 36namespace WebCore { 37 38RenderImageResource::RenderImageResource() 39 : m_renderer(0) 40{ 41} 42 43RenderImageResource::~RenderImageResource() 44{ 45} 46 47void RenderImageResource::initialize(RenderObject* renderer) 48{ 49 ASSERT(!m_renderer); 50 ASSERT(renderer); 51 m_renderer = renderer; 52} 53 54void RenderImageResource::shutdown() 55{ 56 ASSERT(m_renderer); 57 58 if (m_cachedImage) 59 m_cachedImage->removeClient(m_renderer); 60} 61 62void RenderImageResource::setCachedImage(CachedImage* newImage) 63{ 64 ASSERT(m_renderer); 65 66 if (m_cachedImage == newImage) 67 return; 68 69 if (m_cachedImage) 70 m_cachedImage->removeClient(m_renderer); 71 m_cachedImage = newImage; 72 if (m_cachedImage) { 73 m_cachedImage->addClient(m_renderer); 74 if (m_cachedImage->errorOccurred()) 75 m_renderer->imageChanged(m_cachedImage.get()); 76 } 77} 78 79void RenderImageResource::resetAnimation() 80{ 81 ASSERT(m_renderer); 82 83 if (!m_cachedImage) 84 return; 85 86 image()->resetAnimation(); 87 88 if (!m_renderer->needsLayout()) 89 m_renderer->repaint(); 90} 91 92PassRefPtr<Image> RenderImageResource::image(int, int) const 93{ 94 return m_cachedImage ? m_cachedImage->imageForRenderer(m_renderer) : nullImage(); 95} 96 97bool RenderImageResource::errorOccurred() const 98{ 99 return m_cachedImage && m_cachedImage->errorOccurred(); 100} 101 102void RenderImageResource::setContainerSizeForRenderer(const IntSize& imageContainerSize) 103{ 104 ASSERT(m_renderer); 105 if (m_cachedImage) 106 m_cachedImage->setContainerSizeForRenderer(m_renderer, imageContainerSize, m_renderer->style()->effectiveZoom()); 107} 108 109Image* RenderImageResource::nullImage() 110{ 111 return Image::nullImage(); 112} 113 114bool RenderImageResource::usesImageContainerSize() const 115{ 116 return m_cachedImage ? m_cachedImage->usesImageContainerSize() : false; 117} 118 119bool RenderImageResource::imageHasRelativeWidth() const 120{ 121 return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; 122} 123 124bool RenderImageResource::imageHasRelativeHeight() const 125{ 126 return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; 127} 128 129LayoutSize RenderImageResource::imageSize(float multiplier) const 130{ 131 return m_cachedImage ? m_cachedImage->imageSizeForRenderer(m_renderer, multiplier) : LayoutSize(); 132} 133 134} // namespace WebCore 135