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 #ifndef PageSerializer_h 32 #define PageSerializer_h 33 34 #include "platform/weborigin/KURL.h" 35 #include "platform/weborigin/KURLHash.h" 36 #include "wtf/HashMap.h" 37 #include "wtf/ListHashSet.h" 38 #include "wtf/Vector.h" 39 40 namespace blink { 41 42 class FontResource; 43 class ImageResource; 44 class CSSStyleSheet; 45 class CSSValue; 46 class Document; 47 class LocalFrame; 48 class Page; 49 class RenderObject; 50 class Resource; 51 class SharedBuffer; 52 class StylePropertySet; 53 54 struct SerializedResource; 55 56 // This class is used to serialize a page contents back to text (typically HTML). 57 // It serializes all the page frames and retrieves resources such as images and CSS stylesheets. 58 class PageSerializer { 59 public: 60 explicit PageSerializer(Vector<SerializedResource>*); 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 KURL urlForBlankFrame(LocalFrame*); 68 69 private: 70 void serializeFrame(LocalFrame*); 71 72 // Serializes the stylesheet back to text and adds it to the resources if URL is not-empty. 73 // It also adds any resources included in that stylesheet (including any imported stylesheets and their own resources). 74 void serializeCSSStyleSheet(CSSStyleSheet&, const KURL&); 75 76 bool shouldAddURL(const KURL&); 77 78 void addToResources(Resource *, PassRefPtr<SharedBuffer>, const KURL&); 79 void addImageToResources(ImageResource*, RenderObject*, const KURL&); 80 void addFontToResources(FontResource*); 81 82 void retrieveResourcesForProperties(const StylePropertySet*, Document&); 83 void retrieveResourcesForCSSValue(CSSValue*, Document&); 84 85 Vector<SerializedResource>* m_resources; 86 ListHashSet<KURL> m_resourceURLs; 87 HashMap<LocalFrame*, KURL> m_blankFrameURLs; 88 unsigned m_blankFrameCounter; 89 }; 90 91 } 92 93 #endif 94