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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 46 // TODO(hiroshige): Remove this. | 46 // TODO(hiroshige): Remove this. |
| 47 ImageResource* cachedImageResourceDeprecated(); | 47 ImageResource* cachedImageResourceDeprecated(); |
| 48 | 48 |
| 49 HTMLImageElement* imageElement() const { return m_imageElement.get(); } | 49 HTMLImageElement* imageElement() const { return m_imageElement.get(); } |
| 50 | 50 |
| 51 void windowSizeChanged(); | 51 void windowSizeChanged(); |
| 52 void imageUpdated(); | 52 void imageUpdated(); |
| 53 void imageClicked(int x, int y); | 53 void imageClicked(int x, int y); |
| 54 void imageLoaded(); | 54 void imageLoaded(); |
| 55 void updateImageStyle(); | 55 void updateImageStyle(); |
| 56 bool shouldShrinkToFit() const; |
| 56 | 57 |
| 57 DECLARE_VIRTUAL_TRACE(); | 58 DECLARE_VIRTUAL_TRACE(); |
| 58 | 59 |
| 59 private: | 60 private: |
| 60 explicit ImageDocument(const DocumentInit&); | 61 explicit ImageDocument(const DocumentInit&); |
| 61 | 62 |
| 62 DocumentParser* createParser() override; | 63 DocumentParser* createParser() override; |
| 63 | 64 |
| 64 void createDocumentStructure(); | 65 void createDocumentStructure(); |
| 65 | 66 |
| 66 // Calculates how large the div needs to be to properly center the image. | 67 // Calculates how large the div needs to be to properly center the image. |
| 67 int calculateDivWidth(); | 68 int calculateDivWidth(); |
| 68 | 69 |
| 69 // These methods are for m_shrinkToFitMode == Desktop. | 70 // These methods are for m_shrinkToFitMode == Desktop. |
| 70 void resizeImageToFit(); | 71 void resizeImageToFit(); |
| 71 void restoreImageSize(); | 72 void restoreImageSize(); |
| 72 bool imageFitsInWindow() const; | 73 bool imageFitsInWindow() const; |
| 73 bool shouldShrinkToFit() const; | |
| 74 // Calculates the image size multiplier that's needed to fit the image to | 74 // Calculates the image size multiplier that's needed to fit the image to |
| 75 // the window, taking into account page zoom and device scale. | 75 // the window, taking into account page zoom and device scale. |
| 76 float scale() const; | 76 float scale() const; |
| 77 | 77 |
| 78 Member<HTMLDivElement> m_divElement; | 78 Member<HTMLDivElement> m_divElement; |
| 79 Member<HTMLImageElement> m_imageElement; | 79 Member<HTMLImageElement> m_imageElement; |
| 80 | 80 |
| 81 // Whether enough of the image has been loaded to determine its size | 81 // Whether enough of the image has been loaded to determine its size |
| 82 bool m_imageSizeIsKnown; | 82 bool m_imageSizeIsKnown; |
| 83 | 83 |
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| 99 | 99 |
| 100 enum ShrinkToFitMode { Viewport, Desktop }; | 100 enum ShrinkToFitMode { Viewport, Desktop }; |
| 101 ShrinkToFitMode m_shrinkToFitMode; | 101 ShrinkToFitMode m_shrinkToFitMode; |
| 102 }; | 102 }; |
| 103 | 103 |
| 104 DEFINE_DOCUMENT_TYPE_CASTS(ImageDocument); | 104 DEFINE_DOCUMENT_TYPE_CASTS(ImageDocument); |
| 105 | 105 |
| 106 } // namespace blink | 106 } // namespace blink |
| 107 | 107 |
| 108 #endif // ImageDocument_h | 108 #endif // ImageDocument_h |
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