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/*
* Copyright (C) 1999 Lars Knoll <knoll@kde.org>
* Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
* Copyright (C) 2000 Dirk Mueller <mueller@kde.org>
* Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
* Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
* Copyright (C) 2003-2021 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "RenderImageResource.h"
#include "CachedImage.h"
#include "Image.h"
#include "RenderElement.h"
#include "RenderImage.h"
#include "RenderImageResourceStyleImage.h"
#include "RenderStyleInlines.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderImageResource);
RenderImageResource::RenderImageResource() = default;
RenderImageResource::~RenderImageResource() = default;
void RenderImageResource::initialize(RenderElement& renderer, CachedImage* styleCachedImage)
{
ASSERT(!m_renderer);
ASSERT(!m_cachedImage);
m_renderer = renderer;
m_cachedImage = styleCachedImage;
m_cachedImageRemoveClientIsNeeded = !styleCachedImage;
}
void RenderImageResource::shutdown()
{
image()->stopAnimation();
setCachedImage(nullptr);
}
void RenderImageResource::setCachedImage(CachedResourceHandle<CachedImage>&& newImage)
{
if (m_cachedImage == newImage)
return;
if (m_cachedImage && m_renderer && m_cachedImageRemoveClientIsNeeded)
m_cachedImage->removeClient(*m_renderer);
if (!m_renderer) {
// removeClient may have destroyed the renderer.
return;
}
m_cachedImage = WTFMove(newImage);
m_cachedImageRemoveClientIsNeeded = true;
if (!m_cachedImage)
return;
m_cachedImage->addClient(*renderer());
if (m_cachedImage->errorOccurred())
renderer()->imageChanged(m_cachedImage.get());
}
void RenderImageResource::resetAnimation()
{
if (!m_cachedImage)
return;
image()->resetAnimation();
if (m_renderer && !m_renderer->needsLayout())
m_renderer->repaint();
}
RefPtr<Image> RenderImageResource::image(const IntSize&) const
{
if (!m_cachedImage)
return &Image::nullImage();
if (auto image = m_cachedImage->imageForRenderer(m_renderer.get()))
return image;
return &Image::nullImage();
}
void RenderImageResource::setContainerContext(const IntSize& imageContainerSize, const URL& imageURL)
{
if (!m_cachedImage || !m_renderer)
return;
m_cachedImage->setContainerContextForClient(*m_renderer, imageContainerSize, m_renderer->style().usedZoom(), imageURL);
}
LayoutSize RenderImageResource::imageSize(float multiplier, CachedImage::SizeType type) const
{
if (!m_cachedImage)
return LayoutSize();
LayoutSize size = m_cachedImage->imageSizeForRenderer(m_renderer.get(), multiplier, type);
if (auto* renderImage = dynamicDowncast<RenderImage>(m_renderer.get()))
size.scale(renderImage->imageDevicePixelRatio());
return size;
}
} // namespace WebCore
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