1 | /* |
2 | * Copyright (C) 2006, 2007, 2008, 2009, 2014 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 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 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 | #pragma once |
26 | |
27 | #include "HTMLDocument.h" |
28 | |
29 | namespace WebCore { |
30 | |
31 | class ImageDocumentElement; |
32 | class HTMLImageElement; |
33 | |
34 | class ImageDocument final : public HTMLDocument { |
35 | WTF_MAKE_ISO_ALLOCATED(ImageDocument); |
36 | public: |
37 | static Ref<ImageDocument> create(Frame& frame, const URL& url) |
38 | { |
39 | return adoptRef(*new ImageDocument(frame, url)); |
40 | } |
41 | |
42 | WEBCORE_EXPORT HTMLImageElement* imageElement() const; |
43 | |
44 | void updateDuringParsing(); |
45 | void finishedParsing(); |
46 | |
47 | void disconnectImageElement() { m_imageElement = nullptr; } |
48 | |
49 | #if !PLATFORM(IOS_FAMILY) |
50 | void windowSizeChanged(); |
51 | void imageClicked(int x, int y); |
52 | #endif |
53 | |
54 | private: |
55 | ImageDocument(Frame&, const URL&); |
56 | |
57 | Ref<DocumentParser> createParser() override; |
58 | |
59 | LayoutSize imageSize(); |
60 | |
61 | void createDocumentStructure(); |
62 | #if !PLATFORM(IOS_FAMILY) |
63 | void resizeImageToFit(); |
64 | void restoreImageSize(); |
65 | bool imageFitsInWindow(); |
66 | float scale(); |
67 | #endif |
68 | |
69 | void imageUpdated(); |
70 | |
71 | ImageDocumentElement* m_imageElement; |
72 | |
73 | // Whether enough of the image has been loaded to determine its size. |
74 | bool m_imageSizeIsKnown; |
75 | |
76 | #if !PLATFORM(IOS_FAMILY) |
77 | // Whether the image is shrunk to fit or not. |
78 | bool m_didShrinkImage; |
79 | #endif |
80 | |
81 | // Whether the image should be shrunk or not. |
82 | bool m_shouldShrinkImage; |
83 | }; |
84 | |
85 | } // namespace WebCore |
86 | |
87 | SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ImageDocument) |
88 | static bool isType(const WebCore::Document& document) { return document.isImageDocument(); } |
89 | static bool isType(const WebCore::Node& node) { return is<WebCore::Document>(node) && isType(downcast<WebCore::Document>(node)); } |
90 | SPECIALIZE_TYPE_TRAITS_END() |
91 | |