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
13namespace content {
14class ResourceDispatcherHostLoginDelegate;
15struct ResourceResponse;
16}  // namespace content
17
18namespace IPC {
19class Sender;
20}  // namespace IPC
21
22namespace android_webview {
23
24class IoThreadClientThrottle;
25
26class 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_
102