android_webview/browser/renderer_host/aw_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 ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
   6 #define ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
   7
   8 #include <map>
   9
  10 #include "base/lazy_instance.h"
  11 #include "content/public/browser/resource_dispatcher_host_delegate.h"
  12
  13 namespace content {
  14 class ResourceDispatcherHostLoginDelegate;
  15 struct ResourceResponse;
  16 }  // namespace content
  17
  18 namespace IPC {
  19 class Sender;
  20 }  // namespace IPC
  21
  22 namespace android_webview {
  23
  24 class IoThreadClientThrottle;
  25
  26 class AwResourceDispatcherHostDelegate
  27     : public content::ResourceDispatcherHostDelegate {
  28  public:
  29   static void ResourceDispatcherHostCreated();
  30
  31   // Overriden methods from ResourceDispatcherHostDelegate.
  32   virtual void RequestBeginning(
  33       net::URLRequest* request,
  34       content::ResourceContext* resource_context,
  35       content::AppCacheService* appcache_service,
  36       content::ResourceType resource_type,
  37       ScopedVector<content::ResourceThrottle>* throttles) OVERRIDE;
  38   virtual void DownloadStarting(
  39       net::URLRequest* request,
  40       content::ResourceContext* resource_context,
  41       int child_id,
  42       int route_id,
  43       int request_id,
  44       bool is_content_initiated,
  45       bool must_download,
  46       ScopedVector<content::ResourceThrottle>* throttles) OVERRIDE;
  47   virtual content::ResourceDispatcherHostLoginDelegate* CreateLoginDelegate(
  48       net::AuthChallengeInfo* auth_info,
  49       net::URLRequest* request) OVERRIDE;
  50   virtual bool HandleExternalProtocol(const GURL& url,
  51                                       int child_id,
  52                                       int route_id) OVERRIDE;
  53   virtual void OnResponseStarted(
  54       net::URLRequest* request,
  55       content::ResourceContext* resource_context,
  56       content::ResourceResponse* response,
  57       IPC::Sender* sender) OVERRIDE;
  58
  59   virtual void OnRequestRedirected(
  60       const GURL& redirect_url,
  61       net::URLRequest* request,
  62       content::ResourceContext* resource_context,
  63       content::ResourceResponse* response) OVERRIDE;
  64
  65   void RemovePendingThrottleOnIoThread(IoThreadClientThrottle* throttle);
  66
  67   static void OnIoThreadClientReady(int new_render_process_id,
  68                                     int new_render_frame_id);
  69   static void AddPendingThrottle(int render_process_id,
  70                                  int render_frame_id,
  71                                  IoThreadClientThrottle* pending_throttle);
  72
  73  private:
  74   friend struct base::DefaultLazyInstanceTraits<
  75       AwResourceDispatcherHostDelegate>;
  76   AwResourceDispatcherHostDelegate();
  77   virtual ~AwResourceDispatcherHostDelegate();
  78
  79   // These methods must be called on IO thread.
  80   void OnIoThreadClientReadyInternal(int new_render_process_id,
  81                                      int new_render_frame_id);
  82   void AddPendingThrottleOnIoThread(int render_process_id,
  83                                     int render_frame_id,
  84                                     IoThreadClientThrottle* pending_throttle);
  85   void AddExtraHeadersIfNeeded(net::URLRequest* request,
  86                                content::ResourceContext* resource_context);
  87
  88   // Pair of render_process_id and render_frame_id.
  89   typedef std::pair<int, int> FrameRouteIDPair;
  90   typedef std::map<FrameRouteIDPair, IoThreadClientThrottle*>
  91       PendingThrottleMap;
  92
  93   // Only accessed on the IO thread.
  94   PendingThrottleMap pending_throttles_;
  95
  96   DISALLOW_COPY_AND_ASSIGN(AwResourceDispatcherHostDelegate);
  97 };
  98
  99 }  // namespace android_webview
 100
 101 #endif  // ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_H_