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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_RENDERER_HOST_RESOURCE_MESSAGE_FILTER_H_ | 5 #ifndef CHROME_BROWSER_RENDERER_HOST_RESOURCE_MESSAGE_FILTER_H_ |
6 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_MESSAGE_FILTER_H_ | 6 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_MESSAGE_FILTER_H_ |
7 | 7 |
8 #include "base/scoped_ptr.h" | 8 #include "base/scoped_ptr.h" |
9 #include "chrome/browser/browser_message_filter.h" | 9 #include "chrome/browser/browser_message_filter.h" |
10 #include "chrome/common/child_process_info.h" | 10 #include "chrome/common/child_process_info.h" |
11 #include "webkit/glue/resource_type.h" | 11 #include "webkit/glue/resource_type.h" |
12 | 12 |
13 class ChromeURLRequestContext; | 13 class ChromeURLRequestContext; |
14 class ResourceDispatcherHost; | 14 class ResourceDispatcherHost; |
15 | 15 |
16 namespace net { | 16 namespace net { |
17 class URLRequestContext; | 17 class URLRequestContext; |
18 } // namespace net | 18 } // namespace net |
19 | 19 |
20 // This class filters out incoming IPC messages for network requests and | 20 // This class filters out incoming IPC messages for network requests and |
21 // processes them on the IPC thread. As a result, network requests are not | 21 // processes them on the IPC thread. As a result, network requests are not |
22 // delayed by costly UI processing that may be occuring on the main thread of | 22 // delayed by costly UI processing that may be occuring on the main thread of |
23 // the browser. It also means that any hangs in starting a network request | 23 // the browser. It also means that any hangs in starting a network request |
24 // will not interfere with browser UI. | 24 // will not interfere with browser UI. |
25 class ResourceMessageFilter : public BrowserMessageFilter { | 25 class ResourceMessageFilter : public BrowserMessageFilter { |
26 public: | 26 public: |
27 // Allows overriding the URLRequestContext used to service requests. | 27 // Allows overriding the net::URLRequestContext used to service requests. |
28 class URLRequestContextOverride | 28 class URLRequestContextOverride |
29 : public base::RefCountedThreadSafe<URLRequestContextOverride> { | 29 : public base::RefCountedThreadSafe<URLRequestContextOverride> { |
30 public: | 30 public: |
31 URLRequestContextOverride() {} | 31 URLRequestContextOverride() {} |
32 | 32 |
33 virtual net::URLRequestContext* GetRequestContext( | 33 virtual net::URLRequestContext* GetRequestContext( |
34 uint32 request_id, ResourceType::Type resource_type) = 0; | 34 uint32 request_id, ResourceType::Type resource_type) = 0; |
35 | 35 |
36 protected: | 36 protected: |
37 friend class base::RefCountedThreadSafe<URLRequestContextOverride>; | 37 friend class base::RefCountedThreadSafe<URLRequestContextOverride>; |
38 virtual ~URLRequestContextOverride() {} | 38 virtual ~URLRequestContextOverride() {} |
39 | 39 |
40 DISALLOW_COPY_AND_ASSIGN(URLRequestContextOverride); | 40 DISALLOW_COPY_AND_ASSIGN(URLRequestContextOverride); |
41 }; | 41 }; |
42 | 42 |
43 ResourceMessageFilter(int child_id, | 43 ResourceMessageFilter(int child_id, |
44 ChildProcessInfo::ProcessType process_type, | 44 ChildProcessInfo::ProcessType process_type, |
45 ResourceDispatcherHost* resource_dispatcher_host); | 45 ResourceDispatcherHost* resource_dispatcher_host); |
46 | 46 |
47 // BrowserMessageFilter implementation. | 47 // BrowserMessageFilter implementation. |
48 virtual void OnChannelClosing(); | 48 virtual void OnChannelClosing(); |
49 virtual bool OnMessageReceived(const IPC::Message& message, | 49 virtual bool OnMessageReceived(const IPC::Message& message, |
50 bool* message_was_ok); | 50 bool* message_was_ok); |
51 | 51 |
52 // Returns the URLRequestContext for the given request. | 52 // Returns the net::URLRequestContext for the given request. |
53 ChromeURLRequestContext* GetURLRequestContext( | 53 ChromeURLRequestContext* GetURLRequestContext( |
54 uint32 request_id, ResourceType::Type resource_type); | 54 uint32 request_id, ResourceType::Type resource_type); |
55 | 55 |
56 void set_url_request_context_override(URLRequestContextOverride* u) { | 56 void set_url_request_context_override(URLRequestContextOverride* u) { |
57 url_request_context_override_ = u; | 57 url_request_context_override_ = u; |
58 } | 58 } |
59 | 59 |
60 int child_id() const { return child_id_; } | 60 int child_id() const { return child_id_; } |
61 ChildProcessInfo::ProcessType process_type() const { return process_type_; } | 61 ChildProcessInfo::ProcessType process_type() const { return process_type_; } |
62 | 62 |
63 protected: | 63 protected: |
64 // Protected destructor so that we can be overriden in tests. | 64 // Protected destructor so that we can be overriden in tests. |
65 virtual ~ResourceMessageFilter(); | 65 virtual ~ResourceMessageFilter(); |
66 | 66 |
67 private: | 67 private: |
68 // The ID of the child process. | 68 // The ID of the child process. |
69 int child_id_; | 69 int child_id_; |
70 | 70 |
71 ChildProcessInfo::ProcessType process_type_; | 71 ChildProcessInfo::ProcessType process_type_; |
72 | 72 |
73 // Owned by BrowserProcess, which is guaranteed to outlive us. | 73 // Owned by BrowserProcess, which is guaranteed to outlive us. |
74 ResourceDispatcherHost* resource_dispatcher_host_; | 74 ResourceDispatcherHost* resource_dispatcher_host_; |
75 | 75 |
76 scoped_refptr<URLRequestContextOverride> url_request_context_override_; | 76 scoped_refptr<URLRequestContextOverride> url_request_context_override_; |
77 | 77 |
78 DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageFilter); | 78 DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageFilter); |
79 }; | 79 }; |
80 | 80 |
81 #endif // CHROME_BROWSER_RENDERER_HOST_RESOURCE_MESSAGE_FILTER_H_ | 81 #endif // CHROME_BROWSER_RENDERER_HOST_RESOURCE_MESSAGE_FILTER_H_ |
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