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/*
* Copyright (C) 2006, 2007, 2008, 2009 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 COMPUTER, 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 COMPUTER, 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.
*/
#ifndef ImageDocument_h
#define ImageDocument_h
#include "HTMLDocument.h"
namespace WebCore {
class CachedImage;
class ImageDocumentElement;
class ImageDocument final : public HTMLDocument {
public:
static PassRefPtr<ImageDocument> create(Frame* frame, const URL& url)
{
return adoptRef(new ImageDocument(frame, url));
}
CachedImage* cachedImage();
ImageDocumentElement* imageElement() const { return m_imageElement; }
void disconnectImageElement() { m_imageElement = 0; }
void windowSizeChanged();
void imageUpdated();
void imageClicked(int x, int y);
private:
ImageDocument(Frame*, const URL&);
virtual PassRefPtr<DocumentParser> createParser() override;
void createDocumentStructure();
void resizeImageToFit();
void restoreImageSize();
bool imageFitsInWindow() const;
bool shouldShrinkToFit() const;
float scale() const;
ImageDocumentElement* m_imageElement;
// Whether enough of the image has been loaded to determine its size
bool m_imageSizeIsKnown;
// Whether the image is shrunk to fit or not
bool m_didShrinkImage;
// Whether the image should be shrunk or not
bool m_shouldShrinkImage;
};
inline bool isImageDocument(const Document& document) { return document.isImageDocument(); }
void isImageDocument(const ImageDocument&); // Catch unnecessary runtime check of type known at compile time.
DOCUMENT_TYPE_CASTS(ImageDocument)
}
#endif // ImageDocument_h
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