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/*
* Copyright (C) 2006, 2007, 2008, 2009, 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "HTMLDocument.h"
namespace WebCore {
class ImageDocumentElement;
class HTMLImageElement;
class ImageDocument final : public HTMLDocument {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(ImageDocument);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(ImageDocument);
public:
static Ref<ImageDocument> create(LocalFrame& frame, const URL& url)
{
auto document = adoptRef(*new ImageDocument(frame, url));
document->addToContextsMap();
return document;
}
WEBCORE_EXPORT HTMLImageElement* imageElement() const;
void updateDuringParsing();
void finishedParsing();
void disconnectImageElement() { m_imageElement = nullptr; }
#if !PLATFORM(IOS_FAMILY)
void imageClicked(int x, int y);
#endif
private:
ImageDocument(LocalFrame&, const URL&);
Ref<DocumentParser> createParser() override;
LayoutSize imageSize();
void createDocumentStructure();
#if !PLATFORM(IOS_FAMILY)
void resizeImageToFit();
void restoreImageSize();
bool imageFitsInWindow();
float scale();
void didChangeViewSize() final;
#endif
void imageUpdated();
WeakPtr<ImageDocumentElement, WeakPtrImplWithEventTargetData> m_imageElement;
// Whether enough of the image has been loaded to determine its size.
bool m_imageSizeIsKnown;
#if !PLATFORM(IOS_FAMILY)
// Whether the image is shrunk to fit or not.
bool m_didShrinkImage;
#endif
// Whether the image should be shrunk or not.
bool m_shouldShrinkImage;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ImageDocument)
static bool isType(const WebCore::Document& document) { return document.isImageDocument(); }
static bool isType(const WebCore::Node& node)
{
auto* document = dynamicDowncast<WebCore::Document>(node);
return document && isType(*document);
}
SPECIALIZE_TYPE_TRAITS_END()
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