chrome/renderer/safe_browsing/malware_dom_details.h

   1 // Copyright (c) 2012 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 // MalwareDOMDetails iterates over a document's frames and gathers
   6 // interesting URLs such as those of scripts and frames. When done, it sends
   7 // them to the MalwareDetails that requested them.
   8
   9 #ifndef CHROME_RENDERER_SAFE_BROWSING_MALWARE_DOM_DETAILS_H_
  10 #define CHROME_RENDERER_SAFE_BROWSING_MALWARE_DOM_DETAILS_H_
  11
  12 #include <vector>
  13
  14 #include "base/basictypes.h"
  15 #include "base/compiler_specific.h"
  16 #include "content/public/renderer/render_view_observer.h"
  17
  18 namespace blink {
  19 class WebElement;
  20 }
  21
  22 struct SafeBrowsingHostMsg_MalwareDOMDetails_Node;
  23
  24 namespace safe_browsing {
  25
  26 // There is one MalwareDOMDetails per RenderView.
  27 class MalwareDOMDetails : public content::RenderViewObserver {
  28  public:
  29   // An upper limit on the number of nodes we collect. Not const for the test.
  30   static uint32 kMaxNodes;
  31
  32   static MalwareDOMDetails* Create(content::RenderView* render_view);
  33   virtual ~MalwareDOMDetails();
  34
  35   // Begins extracting resource urls for the page currently loaded in
  36   // this object's RenderView.
  37   void ExtractResources(
  38       std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>* resources);
  39
  40  private:
  41   // Creates a MalwareDOMDetails for the specified RenderView.
  42   // The MalwareDOMDetails should be destroyed prior to destroying
  43   // the RenderView.
  44   explicit MalwareDOMDetails(content::RenderView* render_view);
  45
  46   // RenderViewObserver implementation.
  47   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  48
  49   void OnGetMalwareDOMDetails();
  50
  51   // Handler for the various HTML elements that we extract URLs from.
  52   void HandleElement(
  53       const blink::WebElement& element,
  54       SafeBrowsingHostMsg_MalwareDOMDetails_Node* parent_node,
  55       std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>* resources);
  56
  57   DISALLOW_COPY_AND_ASSIGN(MalwareDOMDetails);
  58 };
  59
  60 }  // namespace safe_browsing
  61
  62 #endif  // CHROME_RENDERER_SAFE_BROWSING_MALWARE_DOM_DETAILS_H_