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 "weborigin/KURL.h" 35 #include "weborigin/KURLHash.h" 36 #include "wtf/HashMap.h" 37 #include "wtf/ListHashSet.h" 38 #include "wtf/Vector.h" 39 40 namespace WebCore { 41 42 class ImageResource; 43 class CSSStyleSheet; 44 class Document; 45 class Frame; 46 class Page; 47 class RenderObject; 48 class StylePropertySet; 49 class StyleRule; 50 51 struct SerializedResource; 52 53 // This class is used to serialize a page contents back to text (typically HTML). 54 // It serializes all the page frames and retrieves resources such as images and CSS stylesheets. 55 class PageSerializer { 56 public: 57 explicit PageSerializer(Vector<SerializedResource>*); 58 59 // Initiates the serialization of the frame's page. All serialized content and retrieved 60 // resources are added to the Vector passed to the constructor. The first resource in that 61 // vector is the top frame serialized content. 62 void serialize(Page*); 63 64 KURL urlForBlankFrame(Frame*); 65 66 private: 67 void serializeFrame(Frame*); 68 69 // Serializes the stylesheet back to text and adds it to the resources if URL is not-empty. 70 // It also adds any resources included in that stylesheet (including any imported stylesheets and their own resources). 71 void serializeCSSStyleSheet(CSSStyleSheet*, const KURL&); 72 73 void addImageToResources(ImageResource*, RenderObject*, const KURL&); 74 void retrieveResourcesForProperties(const StylePropertySet*, Document*); 75 void retrieveResourcesForRule(StyleRule*, Document*); 76 77 Vector<SerializedResource>* m_resources; 78 ListHashSet<KURL> m_resourceURLs; 79 HashMap<Frame*, KURL> m_blankFrameURLs; 80 unsigned m_blankFrameCounter; 81 }; 82 83 } 84 85 #endif 86