| /* |
| * 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 "core/html/HTMLDocument.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace WebCore { |
| |
| class CachedImage; |
| class HTMLImageElement; |
| |
| class ImageDocument FINAL : public HTMLDocument { |
| public: |
| static PassRefPtr<ImageDocument> create(const DocumentInit& initializer = DocumentInit()) |
| { |
| return adoptRef(new ImageDocument(initializer)); |
| } |
| |
| CachedImage* cachedImage(); |
| HTMLImageElement* imageElement() const { return m_imageElement.get(); } |
| |
| void windowSizeChanged(); |
| void imageUpdated(); |
| void imageClicked(int x, int y); |
| |
| private: |
| ImageDocument(const DocumentInit&); |
| |
| virtual PassRefPtr<DocumentParser> createParser() OVERRIDE; |
| virtual void dispose() OVERRIDE; |
| |
| void createDocumentStructure(); |
| void resizeImageToFit(); |
| void restoreImageSize(); |
| bool imageFitsInWindow() const; |
| bool shouldShrinkToFit() const; |
| float scale() const; |
| |
| RefPtr<HTMLImageElement> 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 ImageDocument* toImageDocument(Document* document) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isImageDocument()); |
| return static_cast<ImageDocument*>(document); |
| } |
| |
| inline const ImageDocument* toImageDocument(const Document* document) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isImageDocument()); |
| return static_cast<const ImageDocument*>(document); |
| } |
| |
| // This will catch anyone doing an unnecessary cast. |
| void toImageDocument(const ImageDocument*); |
| |
| } |
| |
| #endif // ImageDocument_h |