1/* 2 * Copyright (C) 2012 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "core/rendering/style/StyleFetchedImageSet.h" 28 29#include "core/css/CSSImageSetValue.h" 30#include "core/fetch/ImageResource.h" 31#include "core/rendering/RenderObject.h" 32 33namespace blink { 34 35StyleFetchedImageSet::StyleFetchedImageSet(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value) 36 : m_bestFitImage(image) 37 , m_imageScaleFactor(imageScaleFactor) 38 , m_imageSetValue(value) 39{ 40 m_isImageResourceSet = true; 41 m_bestFitImage->addClient(this); 42} 43 44 45StyleFetchedImageSet::~StyleFetchedImageSet() 46{ 47 m_bestFitImage->removeClient(this); 48} 49 50PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImageSet::cssValue() const 51{ 52 return m_imageSetValue; 53} 54 55bool StyleFetchedImageSet::canRender(const RenderObject& renderer, float multiplier) const 56{ 57 return m_bestFitImage->canRender(renderer, multiplier); 58} 59 60bool StyleFetchedImageSet::isLoaded() const 61{ 62 return m_bestFitImage->isLoaded(); 63} 64 65bool StyleFetchedImageSet::errorOccurred() const 66{ 67 return m_bestFitImage->errorOccurred(); 68} 69 70LayoutSize StyleFetchedImageSet::imageSize(const RenderObject* renderer, float multiplier) const 71{ 72 LayoutSize scaledImageSize = m_bestFitImage->imageSizeForRenderer(renderer, multiplier); 73 scaledImageSize.scale(1 / m_imageScaleFactor); 74 return scaledImageSize; 75} 76 77bool StyleFetchedImageSet::imageHasRelativeWidth() const 78{ 79 return m_bestFitImage->imageHasRelativeWidth(); 80} 81 82bool StyleFetchedImageSet::imageHasRelativeHeight() const 83{ 84 return m_bestFitImage->imageHasRelativeHeight(); 85} 86 87void StyleFetchedImageSet::computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) 88{ 89 m_bestFitImage->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio); 90} 91 92bool StyleFetchedImageSet::usesImageContainerSize() const 93{ 94 return m_bestFitImage->usesImageContainerSize(); 95} 96 97void StyleFetchedImageSet::setContainerSizeForRenderer(const RenderObject* renderer, const IntSize& imageContainerSize, float imageContainerZoomFactor) 98{ 99 m_bestFitImage->setContainerSizeForRenderer(renderer, imageContainerSize, imageContainerZoomFactor); 100} 101 102void StyleFetchedImageSet::addClient(RenderObject* renderer) 103{ 104 m_bestFitImage->addClient(renderer); 105} 106 107void StyleFetchedImageSet::removeClient(RenderObject* renderer) 108{ 109 m_bestFitImage->removeClient(renderer); 110} 111 112PassRefPtr<Image> StyleFetchedImageSet::image(RenderObject* renderer, const IntSize&) const 113{ 114 return m_bestFitImage->imageForRenderer(renderer); 115} 116 117bool StyleFetchedImageSet::knownToBeOpaque(const RenderObject* renderer) const 118{ 119 return m_bestFitImage->currentFrameKnownToBeOpaque(renderer); 120} 121 122} // namespace blink 123