/* * 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. */ #ifndef ImageDocument_h #define ImageDocument_h #include "HTMLDocument.h" namespace WebCore { class ImageDocumentElement; class HTMLImageElement; class ImageDocument final : public HTMLDocument { public: static PassRefPtr<ImageDocument> create(Frame& frame, const URL& url) { return adoptRef(new ImageDocument(frame, url)); } HTMLImageElement* imageElement() const; void updateDuringParsing(); void finishedParsing(); void disconnectImageElement() { m_imageElement = nullptr; } #if !PLATFORM(IOS) void windowSizeChanged(); void imageClicked(int x, int y); #endif private: ImageDocument(Frame&, const URL&); virtual PassRefPtr<DocumentParser> createParser() override; LayoutSize imageSize(); void createDocumentStructure(); #if !PLATFORM(IOS) void resizeImageToFit(); void restoreImageSize(); bool imageFitsInWindow(); float scale(); #endif void imageUpdated(); ImageDocumentElement* m_imageElement; // Whether enough of the image has been loaded to determine its size. bool m_imageSizeIsKnown; #if !PLATFORM(IOS) // Whether the image is shrunk to fit or not. bool m_didShrinkImage; #endif // 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