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      1 /*
      2  * Copyright (C) 1999 Lars Knoll <knoll (at) kde.org>
      3  * Copyright (C) 1999 Antti Koivisto <koivisto (at) kde.org>
      4  * Copyright (C) 2000 Dirk Mueller <mueller (at) kde.org>
      5  * Copyright (C) 2006 Allan Sandfeld Jensen <kde (at) carewolf.com>
      6  * Copyright (C) 2006 Samuel Weinig <sam.weinig (at) 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 (at) 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 "core/rendering/RenderImageResource.h"
     30 
     31 #include "core/loader/cache/ImageResource.h"
     32 #include "core/platform/graphics/Image.h"
     33 #include "core/rendering/RenderObject.h"
     34 
     35 namespace WebCore {
     36 
     37 RenderImageResource::RenderImageResource()
     38     : m_renderer(0)
     39     , m_cachedImage(0)
     40 {
     41 }
     42 
     43 RenderImageResource::~RenderImageResource()
     44 {
     45 }
     46 
     47 void RenderImageResource::initialize(RenderObject* renderer)
     48 {
     49     ASSERT(!m_renderer);
     50     ASSERT(renderer);
     51     m_renderer = renderer;
     52 }
     53 
     54 void RenderImageResource::shutdown()
     55 {
     56     ASSERT(m_renderer);
     57 
     58     if (m_cachedImage)
     59         m_cachedImage->removeClient(m_renderer);
     60 }
     61 
     62 void RenderImageResource::setImageResource(ImageResource* 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     } else {
     77         m_renderer->imageChanged(m_cachedImage.get());
     78     }
     79 }
     80 
     81 void RenderImageResource::resetAnimation()
     82 {
     83     ASSERT(m_renderer);
     84 
     85     if (!m_cachedImage)
     86         return;
     87 
     88     image()->resetAnimation();
     89 
     90     if (!m_renderer->needsLayout())
     91         m_renderer->repaint();
     92 }
     93 
     94 void RenderImageResource::setContainerSizeForRenderer(const IntSize& imageContainerSize)
     95 {
     96     ASSERT(m_renderer);
     97     if (m_cachedImage)
     98         m_cachedImage->setContainerSizeForRenderer(m_renderer, imageContainerSize, m_renderer->style()->effectiveZoom());
     99 }
    100 
    101 Image* RenderImageResource::nullImage()
    102 {
    103     return Image::nullImage();
    104 }
    105 
    106 } // namespace WebCore
    107