1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_RENDERER_SAVABLE_RESOURCES_H_ 6 #define CONTENT_RENDERER_SAVABLE_RESOURCES_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "content/common/content_export.h" 12 #include "third_party/WebKit/public/platform/WebReferrerPolicy.h" 13 #include "url/gurl.h" 14 15 namespace blink { 16 class WebElement; 17 class WebString; 18 class WebView; 19 } 20 21 // A collection of operations that access the underlying WebKit DOM directly. 22 namespace content { 23 24 // Structure for storage the result of getting all savable resource links 25 // for current page. The consumer of the SavableResourcesResult is responsible 26 // for keeping these pointers valid for the lifetime of the 27 // SavableResourcesResult instance. 28 struct SavableResourcesResult { 29 // vector which contains all savable links of sub resource. 30 std::vector<GURL>* resources_list; 31 // vector which contains corresponding all referral links of sub resource, 32 // it matched with links one by one. 33 std::vector<GURL>* referrer_urls_list; 34 // and the corresponding referrer policies. 35 std::vector<blink::WebReferrerPolicy>* referrer_policies_list; 36 // vector which contains all savable links of main frame and sub frames. 37 std::vector<GURL>* frames_list; 38 39 // Constructor. SavableResourcesResultSavableResourcesResult40 SavableResourcesResult( 41 std::vector<GURL>* resources_list, 42 std::vector<GURL>* referrer_urls_list, 43 std::vector<blink::WebReferrerPolicy>* referrer_policies_list, 44 std::vector<GURL>* frames_list) 45 : resources_list(resources_list), 46 referrer_urls_list(referrer_urls_list), 47 referrer_policies_list(referrer_policies_list), 48 frames_list(frames_list) { } 49 50 private: 51 DISALLOW_COPY_AND_ASSIGN(SavableResourcesResult); 52 }; 53 54 // Get all savable resource links from current webview, include main frame 55 // and sub-frame. After collecting all savable resource links, this function 56 // will send those links to embedder. Return value indicates whether we get 57 // all saved resource links successfully. 58 CONTENT_EXPORT bool GetAllSavableResourceLinksForCurrentPage( 59 blink::WebView* view, 60 const GURL& page_url, 61 SavableResourcesResult* savable_resources_result, 62 const char** savable_schemes); 63 64 // Returns the value in an elements resource url attribute. For IMG, SCRIPT or 65 // INPUT TYPE=image, returns the value in "src". For LINK TYPE=text/css, returns 66 // the value in "href". For BODY, TABLE, TR, TD, returns the value in 67 // "background". For BLOCKQUOTE, Q, DEL, INS, returns the value in "cite" 68 // attribute. Otherwise returns a null WebString. 69 CONTENT_EXPORT blink::WebString GetSubResourceLinkFromElement( 70 const blink::WebElement& element); 71 72 } // namespace content 73 74 #endif // CONTENT_RENDERER_SAVABLE_RESOURCES_H_ 75