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      1 /*
      2  * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) 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 #include "config.h"
     25 #include "core/rendering/style/StyleFetchedImage.h"
     26 
     27 #include "core/css/CSSImageValue.h"
     28 #include "core/fetch/ImageResource.h"
     29 #include "core/rendering/RenderObject.h"
     30 
     31 namespace WebCore {
     32 
     33 StyleFetchedImage::StyleFetchedImage(ImageResource* image)
     34     : m_image(image)
     35 {
     36     m_isImageResource = true;
     37     m_image->addClient(this);
     38 }
     39 
     40 StyleFetchedImage::~StyleFetchedImage()
     41 {
     42     m_image->removeClient(this);
     43 }
     44 
     45 PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImage::cssValue() const
     46 {
     47     return CSSImageValue::create(m_image->url(), const_cast<StyleFetchedImage*>(this));
     48 }
     49 
     50 bool StyleFetchedImage::canRender(const RenderObject& renderer, float multiplier) const
     51 {
     52     return m_image->canRender(renderer, multiplier);
     53 }
     54 
     55 bool StyleFetchedImage::isLoaded() const
     56 {
     57     return m_image->isLoaded();
     58 }
     59 
     60 bool StyleFetchedImage::errorOccurred() const
     61 {
     62     return m_image->errorOccurred();
     63 }
     64 
     65 LayoutSize StyleFetchedImage::imageSize(const RenderObject* renderer, float multiplier) const
     66 {
     67     return m_image->imageSizeForRenderer(renderer, multiplier);
     68 }
     69 
     70 bool StyleFetchedImage::imageHasRelativeWidth() const
     71 {
     72     return m_image->imageHasRelativeWidth();
     73 }
     74 
     75 bool StyleFetchedImage::imageHasRelativeHeight() const
     76 {
     77     return m_image->imageHasRelativeHeight();
     78 }
     79 
     80 void StyleFetchedImage::computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
     81 {
     82     m_image->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
     83 }
     84 
     85 bool StyleFetchedImage::usesImageContainerSize() const
     86 {
     87     return m_image->usesImageContainerSize();
     88 }
     89 
     90 void StyleFetchedImage::setContainerSizeForRenderer(const RenderObject* renderer, const IntSize& imageContainerSize, float imageContainerZoomFactor)
     91 {
     92     m_image->setContainerSizeForRenderer(renderer, imageContainerSize, imageContainerZoomFactor);
     93 }
     94 
     95 void StyleFetchedImage::addClient(RenderObject* renderer)
     96 {
     97     m_image->addClient(renderer);
     98 }
     99 
    100 void StyleFetchedImage::removeClient(RenderObject* renderer)
    101 {
    102     m_image->removeClient(renderer);
    103 }
    104 
    105 PassRefPtr<Image> StyleFetchedImage::image(RenderObject* renderer, const IntSize&) const
    106 {
    107     return m_image->imageForRenderer(renderer);
    108 }
    109 
    110 bool StyleFetchedImage::knownToBeOpaque(const RenderObject* renderer) const
    111 {
    112     return m_image->currentFrameKnownToBeOpaque(renderer);
    113 }
    114 
    115 }
    116