| /* |
| * 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 "core/html/HTMLImageElement.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| class ImageResource; |
| |
| class CORE_EXPORT ImageDocument final : public HTMLDocument { |
| public: |
| static PassRefPtrWillBeRawPtr<ImageDocument> create(const DocumentInit& initializer = DocumentInit()) |
| { |
| return adoptRefWillBeNoop(new ImageDocument(initializer)); |
| } |
| |
| enum ScaleType { |
| ScaleZoomedDocument, |
| ScaleOnlyUnzoomedDocument |
| }; |
| |
| ImageResource* cachedImage(); |
| HTMLImageElement* imageElement() const { return m_imageElement.get(); } |
| |
| void windowSizeChanged(ScaleType); |
| void imageUpdated(); |
| void imageClicked(int x, int y); |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| private: |
| explicit ImageDocument(const DocumentInit&); |
| |
| PassRefPtrWillBeRawPtr<DocumentParser> createParser() override; |
| #if !ENABLE(OILPAN) |
| void dispose() override; |
| #endif |
| |
| void createDocumentStructure(bool loadingMultipartContent); |
| |
| // These methods are for m_shrinkToFitMode == Desktop. |
| void resizeImageToFit(ScaleType); |
| void restoreImageSize(ScaleType); |
| bool imageFitsInWindow() const; |
| bool shouldShrinkToFit() const; |
| float scale() const; |
| |
| String debugName() const override { return "ImageDocument"; } |
| |
| RefPtrWillBeMember<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; |
| |
| enum ShrinkToFitMode { |
| Viewport, |
| Desktop |
| }; |
| ShrinkToFitMode m_shrinkToFitMode; |
| }; |
| |
| DEFINE_DOCUMENT_TYPE_CASTS(ImageDocument); |
| |
| } |
| |
| #endif // ImageDocument_h |