components/navigation_interception/intercept_navigation_resource_throttle.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 #ifndef COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_
   6 #define COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "content/public/browser/resource_throttle.h"
  13
  14 class GURL;
  15
  16 namespace content {
  17 class WebContents;
  18 }
  19
  20 namespace net {
  21 class URLRequest;
  22 }
  23
  24 namespace navigation_interception {
  25
  26 class NavigationParams;
  27
  28 // This class allows the provider of the Callback to selectively ignore top
  29 // level navigations.
  30 class InterceptNavigationResourceThrottle : public content::ResourceThrottle {
  31  public:
  32   typedef base::Callback<bool(
  33           content::WebContents* /* source */,
  34           const NavigationParams& /* navigation_params */)>
  35       CheckOnUIThreadCallback;
  36
  37   InterceptNavigationResourceThrottle(
  38       net::URLRequest* request,
  39       CheckOnUIThreadCallback should_ignore_callback);
  40   virtual ~InterceptNavigationResourceThrottle();
  41
  42   // content::ResourceThrottle implementation:
  43   virtual void WillStartRequest(bool* defer) OVERRIDE;
  44   virtual void WillRedirectRequest(const GURL& new_url, bool* defer) OVERRIDE;
  45   virtual const char* GetNameForLogging() const OVERRIDE;
  46
  47  private:
  48   std::string GetMethodAfterRedirect();
  49   bool CheckIfShouldIgnoreNavigation(const GURL& url,
  50                                      const std::string& method,
  51                                      bool is_redirect);
  52   void OnResultObtained(bool should_ignore_navigation);
  53
  54   net::URLRequest* request_;
  55   CheckOnUIThreadCallback should_ignore_callback_;
  56   base::WeakPtrFactory<InterceptNavigationResourceThrottle> weak_ptr_factory_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(InterceptNavigationResourceThrottle);
  59 };
  60
  61 }  // namespace navigation_interception
  62
  63 #endif  // COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_RESOURCE_THROTTLE_H_