1 /* 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 20 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef ImageDocument_h 26 #define ImageDocument_h 27 28 #include "HTMLDocument.h" 29 30 namespace WebCore { 31 32 class ImageDocumentElement; 33 34 class ImageDocument : public HTMLDocument { 35 public: create(Frame * frame)36 static PassRefPtr<ImageDocument> create(Frame* frame) 37 { 38 return adoptRef(new ImageDocument(frame)); 39 } 40 41 CachedImage* cachedImage(); imageElement()42 ImageDocumentElement* imageElement() const { return m_imageElement; } disconnectImageElement()43 void disconnectImageElement() { m_imageElement = 0; } 44 45 void windowSizeChanged(); 46 void imageChanged(); 47 void imageClicked(int x, int y); 48 49 private: 50 ImageDocument(Frame*); 51 52 virtual Tokenizer* createTokenizer(); isImageDocument()53 virtual bool isImageDocument() const { return true; } 54 55 void createDocumentStructure(); 56 void resizeImageToFit(); 57 void restoreImageSize(); 58 bool imageFitsInWindow() const; 59 bool shouldShrinkToFit() const; 60 float scale() const; 61 62 ImageDocumentElement* m_imageElement; 63 64 // Whether enough of the image has been loaded to determine its size 65 bool m_imageSizeIsKnown; 66 67 // Whether the image is shrunk to fit or not 68 bool m_didShrinkImage; 69 70 // Whether the image should be shrunk or not 71 bool m_shouldShrinkImage; 72 }; 73 74 } 75 76 #endif // ImageDocument_h 77