1 | /* |
2 | * Copyright (C) 2011 Google 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 are |
6 | * met: |
7 | * |
8 | * * Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * * Redistributions in binary form must reproduce the above |
11 | * copyright notice, this list of conditions and the following disclaimer |
12 | * in the documentation and/or other materials provided with the |
13 | * distribution. |
14 | * * Neither the name of Google Inc. nor the names of its |
15 | * contributors may be used to endorse or promo te products derived from |
16 | * this software without specific prior written permission. |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
30 | |
31 | #pragma once |
32 | |
33 | #include "SharedBuffer.h" |
34 | #include <wtf/Forward.h> |
35 | #include <wtf/HashMap.h> |
36 | #include <wtf/ListHashSet.h> |
37 | #include <wtf/URLHash.h> |
38 | |
39 | namespace WebCore { |
40 | |
41 | class CachedImage; |
42 | class CSSStyleSheet; |
43 | class Document; |
44 | class Frame; |
45 | class Page; |
46 | class RenderElement; |
47 | class StyleProperties; |
48 | class StyleRule; |
49 | |
50 | // This class is used to serialize a page contents back to text (typically HTML). |
51 | // It serializes all the page frames and retrieves resources such as images and CSS stylesheets. |
52 | class PageSerializer { |
53 | public: |
54 | struct Resource { |
55 | URL url; |
56 | String mimeType; |
57 | RefPtr<SharedBuffer> data; |
58 | }; |
59 | |
60 | explicit PageSerializer(Vector<Resource>&); |
61 | |
62 | // Initiates the serialization of the frame's page. All serialized content and retrieved |
63 | // resources are added to the Vector passed to the constructor. The first resource in that |
64 | // vector is the top frame serialized content. |
65 | void serialize(Page&); |
66 | |
67 | private: |
68 | class SerializerMarkupAccumulator; |
69 | |
70 | URL urlForBlankFrame(Frame*); |
71 | |
72 | void serializeFrame(Frame*); |
73 | |
74 | // Serializes the stylesheet back to text and adds it to the resources if URL is not-empty. |
75 | // It also adds any resources included in that stylesheet (including any imported stylesheets and their own resources). |
76 | void serializeCSSStyleSheet(CSSStyleSheet*, const URL&); |
77 | |
78 | void addImageToResources(CachedImage*, RenderElement*, const URL&); |
79 | void retrieveResourcesForProperties(const StyleProperties*, Document*); |
80 | void retrieveResourcesForRule(StyleRule&, Document*); |
81 | |
82 | Vector<Resource>& m_resources; |
83 | ListHashSet<URL> m_resourceURLs; |
84 | HashMap<Frame*, URL> m_blankFrameURLs; |
85 | unsigned m_blankFrameCounter { 0 }; |
86 | }; |
87 | |
88 | } // namespace WebCore |
89 | |