content/browser/loader/navigation_resource_throttle.h

   1 // Copyright 2015 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_BROWSER_LOADER_NAVIGATION_RESOURCE_THROTTLE_H_
   6 #define CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_THROTTLE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "content/public/browser/navigation_throttle.h"
  11 #include "content/public/browser/resource_throttle.h"
  12
  13 namespace net {
  14 class URLRequest;
  15 }
  16
  17 namespace content {
  18
  19 // This ResourceThrottle is used to convey throttling information to the UI
  20 // thread during navigations. The UI thread can then use its NavigationThrottle
  21 // mechanism to interact with the navigation.
  22 class NavigationResourceThrottle : public ResourceThrottle {
  23  public:
  24   NavigationResourceThrottle(net::URLRequest* request);
  25   ~NavigationResourceThrottle() override;
  26
  27   // ResourceThrottle overrides:
  28   void WillStartRequest(bool* defer) override;
  29   void WillRedirectRequest(const net::RedirectInfo& redirect_info,
  30                            bool* defer) override;
  31   const char* GetNameForLogging() const override;
  32
  33  private:
  34   void OnUIChecksPerformed(NavigationThrottle::ThrottleCheckResult result);
  35
  36   net::URLRequest* request_;
  37   base::WeakPtrFactory<NavigationResourceThrottle> weak_ptr_factory_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(NavigationResourceThrottle);
  40 };
  41
  42 }  // namespace content
  43
  44 #endif  // CONTENT_BROWSER_LOADER_NAVIGATION_RESOURCE_THROTTLE_H_