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| 1 /* | |
| 2 * Copyright (C) 2009 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 promote 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 WebPageSerializer_h | |
| 32 #define WebPageSerializer_h | |
| 33 | |
| 34 #include "../platform/WebCString.h" | |
| 35 #include "../platform/WebCommon.h" | |
| 36 #include "../platform/WebURL.h" | |
| 37 | |
| 38 namespace WebKit { | |
| 39 class WebFrame; | |
| 40 class WebPageSerializerClient; | |
| 41 class WebString; | |
| 42 class WebView; | |
| 43 template <typename T> class WebVector; | |
| 44 | |
| 45 // Get html data by serializing all frames of current page with lists | |
| 46 // which contain all resource links that have local copy. | |
| 47 class WebPageSerializer { | |
| 48 public: | |
| 49 struct Resource { | |
| 50 WebURL url; | |
| 51 WebCString mimeType; | |
| 52 WebCString data; | |
| 53 }; | |
| 54 | |
| 55 // Serializes all the frames from the WebView, retrieves the page's | |
| 56 // resources (such as images and CSS) and adds them to the passed vector. | |
| 57 // The first resource in that vector is the top frame contents. | |
| 58 // Note that this also strips-out any script tag or link to JavaScript. | |
| 59 WEBKIT_EXPORT static void serialize(WebView*, WebVector<Resource>*); | |
| 60 | |
| 61 // Serializes the WebView contents to a MHTML representation. | |
| 62 WEBKIT_EXPORT static WebCString serializeToMHTML(WebView*); | |
| 63 | |
| 64 // Similar to serializeToMHTML but uses binary encoding for the MHTML parts. | |
| 65 // This results in a smaller MHTML file but it might not be supported by oth
er browsers. | |
| 66 WEBKIT_EXPORT static WebCString serializeToMHTMLUsingBinaryEncoding(WebView*
); | |
| 67 | |
| 68 // IMPORTANT: | |
| 69 // The API below is an older implementation of a pageserialization that | |
| 70 // will be removed soon. | |
| 71 | |
| 72 | |
| 73 // This function will find out all frames and serialize them to HTML data. | |
| 74 // We have a data buffer to temporary saving generated html data. We will | |
| 75 // sequentially call WebPageSeriazlierClient once the data buffer is full. | |
| 76 // | |
| 77 // Return false means no available frame has been serialized, otherwise | |
| 78 // return true. | |
| 79 // | |
| 80 // The parameter frame specifies which frame need to be serialized. | |
| 81 // The parameter recursive specifies whether we need to | |
| 82 // serialize all sub frames of the specified frame or not. | |
| 83 // The parameter client specifies the pointer of interface | |
| 84 // WebPageSerializerClient providing a sink interface to receive the | |
| 85 // individual chunks of data to be saved. | |
| 86 // The parameter links contain original URLs of all saved links. | |
| 87 // The parameter localPaths contain corresponding local file paths of all | |
| 88 // saved links, which matched with vector:links one by one. | |
| 89 // The parameter localDirectoryName is relative path of directory which | |
| 90 // contain all saved auxiliary files included all sub frames and resources. | |
| 91 WEBKIT_EXPORT static bool serialize(WebFrame*, | |
| 92 bool recursive, | |
| 93 WebPageSerializerClient*, | |
| 94 const WebVector<WebURL>& links, | |
| 95 const WebVector<WebString>& localPaths, | |
| 96 const WebString& localDirectoryName); | |
| 97 | |
| 98 // Retrieve all the resource for the passed view, including the main frame | |
| 99 // and sub-frames. Returns true if all resources were retrieved | |
| 100 // successfully. | |
| 101 WEBKIT_EXPORT static bool retrieveAllResources(WebView*, | |
| 102 const WebVector<WebCString>&
supportedSchemes, | |
| 103 WebVector<WebURL>* resources, | |
| 104 WebVector<WebURL>* frames); | |
| 105 | |
| 106 // FIXME: The following are here for unit testing purposes. Consider | |
| 107 // changing the unit tests instead. | |
| 108 | |
| 109 // Generate the META for charset declaration. | |
| 110 WEBKIT_EXPORT static WebString generateMetaCharsetDeclaration(const WebStrin
g& charset); | |
| 111 // Generate the MOTW declaration. | |
| 112 WEBKIT_EXPORT static WebString generateMarkOfTheWebDeclaration(const WebURL&
); | |
| 113 // Generate the default base tag declaration. | |
| 114 WEBKIT_EXPORT static WebString generateBaseTagDeclaration(const WebString& b
aseTarget); | |
| 115 }; | |
| 116 | |
| 117 } // namespace WebKit | |
| 118 | |
| 119 #endif | |
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