chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.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 CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
   6 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
   7
   8 #include <map>
   9 #include <set>
  10
  11 #include "base/compiler_specific.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "chrome/browser/external_protocol/external_protocol_handler.h"
  14 #include "content/public/browser/resource_dispatcher_host_delegate.h"
  15
  16 class DelayedResourceQueue;
  17 class DownloadRequestLimiter;
  18 class SafeBrowsingService;
  19
  20 namespace extensions {
  21 class UserScriptListener;
  22 }
  23
  24 // Implements ResourceDispatcherHostDelegate. Currently used by the Prerender
  25 // system to abort requests and add to the load flags when a request begins.
  26 class ChromeResourceDispatcherHostDelegate
  27     : public content::ResourceDispatcherHostDelegate {
  28  public:
  29   ChromeResourceDispatcherHostDelegate();
  30   ~ChromeResourceDispatcherHostDelegate() override;
  31
  32   // ResourceDispatcherHostDelegate implementation.
  33   bool ShouldBeginRequest(const std::string& method,
  34                           const GURL& url,
  35                           content::ResourceType resource_type,
  36                           content::ResourceContext* resource_context) override;
  37   void RequestBeginning(
  38       net::URLRequest* request,
  39       content::ResourceContext* resource_context,
  40       content::AppCacheService* appcache_service,
  41       content::ResourceType resource_type,
  42       ScopedVector<content::ResourceThrottle>* throttles) override;
  43   void DownloadStarting(
  44       net::URLRequest* request,
  45       content::ResourceContext* resource_context,
  46       int child_id,
  47       int route_id,
  48       int request_id,
  49       bool is_content_initiated,
  50       bool must_download,
  51       ScopedVector<content::ResourceThrottle>* throttles) override;
  52   content::ResourceDispatcherHostLoginDelegate* CreateLoginDelegate(
  53       net::AuthChallengeInfo* auth_info,
  54       net::URLRequest* request) override;
  55   bool HandleExternalProtocol(const GURL& url,
  56                               int child_id,
  57                               int route_id) override;
  58   bool ShouldForceDownloadResource(const GURL& url,
  59                                    const std::string& mime_type) override;
  60   bool ShouldInterceptResourceAsStream(net::URLRequest* request,
  61                                        const std::string& mime_type,
  62                                        GURL* origin,
  63                                        std::string* payload) override;
  64   void OnStreamCreated(net::URLRequest* request,
  65                        scoped_ptr<content::StreamInfo> stream) override;
  66   void OnResponseStarted(net::URLRequest* request,
  67                          content::ResourceContext* resource_context,
  68                          content::ResourceResponse* response,
  69                          IPC::Sender* sender) override;
  70   void OnRequestRedirected(const GURL& redirect_url,
  71                            net::URLRequest* request,
  72                            content::ResourceContext* resource_context,
  73                            content::ResourceResponse* response) override;
  74   void RequestComplete(net::URLRequest* url_request) override;
  75
  76   // Called on the UI thread. Allows switching out the
  77   // ExternalProtocolHandler::Delegate for testing code.
  78   static void SetExternalProtocolHandlerDelegateForTesting(
  79       ExternalProtocolHandler::Delegate* delegate);
  80
  81  private:
  82 #if defined(ENABLE_EXTENSIONS)
  83   struct StreamTargetInfo {
  84     std::string extension_id;
  85     std::string view_id;
  86   };
  87 #endif
  88
  89   void AppendStandardResourceThrottles(
  90       net::URLRequest* request,
  91       content::ResourceContext* resource_context,
  92       content::ResourceType resource_type,
  93       ScopedVector<content::ResourceThrottle>* throttles);
  94
  95   scoped_refptr<DownloadRequestLimiter> download_request_limiter_;
  96   scoped_refptr<SafeBrowsingService> safe_browsing_;
  97 #if defined(ENABLE_EXTENSIONS)
  98   scoped_refptr<extensions::UserScriptListener> user_script_listener_;
  99   std::map<net::URLRequest*, StreamTargetInfo> stream_target_info_;
 100 #endif
 101
 102   DISALLOW_COPY_AND_ASSIGN(ChromeResourceDispatcherHostDelegate);
 103 };
 104
 105 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_