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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading | 5 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading |
6 | 6 |
7 #ifndef CONTENT_CHILD_RESOURCE_DISPATCHER_H_ | 7 #ifndef CONTENT_CHILD_RESOURCE_DISPATCHER_H_ |
8 #define CONTENT_CHILD_RESOURCE_DISPATCHER_H_ | 8 #define CONTENT_CHILD_RESOURCE_DISPATCHER_H_ |
9 | 9 |
10 #include <stdint.h> | 10 #include <stdint.h> |
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53 class URLLoaderFactory; | 53 class URLLoaderFactory; |
54 } // namespace mojom | 54 } // namespace mojom |
55 | 55 |
56 // This class serves as a communication interface to the ResourceDispatcherHost | 56 // This class serves as a communication interface to the ResourceDispatcherHost |
57 // in the browser process. It can be used from any child process. | 57 // in the browser process. It can be used from any child process. |
58 // Virtual methods are for tests. | 58 // Virtual methods are for tests. |
59 class CONTENT_EXPORT ResourceDispatcher : public IPC::Listener { | 59 class CONTENT_EXPORT ResourceDispatcher : public IPC::Listener { |
60 public: | 60 public: |
61 ResourceDispatcher( | 61 ResourceDispatcher( |
62 IPC::Sender* sender, | 62 IPC::Sender* sender, |
63 scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner); | 63 scoped_refptr<base::SingleThreadTaskRunner> thread_task_runner); |
64 ~ResourceDispatcher() override; | 64 ~ResourceDispatcher() override; |
65 | 65 |
66 // IPC::Listener implementation. | 66 // IPC::Listener implementation. |
67 bool OnMessageReceived(const IPC::Message& message) override; | 67 bool OnMessageReceived(const IPC::Message& message) override; |
68 | 68 |
69 // Call this method to load the resource synchronously (i.e., in one shot). | 69 // Call this method to load the resource synchronously (i.e., in one shot). |
70 // This is an alternative to the StartAsync method. Be warned that this method | 70 // This is an alternative to the StartAsync method. Be warned that this method |
71 // will block the calling thread until the resource is fully downloaded or an | 71 // will block the calling thread until the resource is fully downloaded or an |
72 // error occurs. It could block the calling thread for a long time, so only | 72 // error occurs. It could block the calling thread for a long time, so only |
73 // use this if you really need it! There is also no way for the caller to | 73 // use this if you really need it! There is also no way for the caller to |
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128 // delegate have a longer lifetime than the ResourceDispatcher. | 128 // delegate have a longer lifetime than the ResourceDispatcher. |
129 void set_delegate(ResourceDispatcherDelegate* delegate) { | 129 void set_delegate(ResourceDispatcherDelegate* delegate) { |
130 delegate_ = delegate; | 130 delegate_ = delegate; |
131 } | 131 } |
132 | 132 |
133 // Remembers IO thread timestamp for next resource message. | 133 // Remembers IO thread timestamp for next resource message. |
134 void set_io_timestamp(base::TimeTicks io_timestamp) { | 134 void set_io_timestamp(base::TimeTicks io_timestamp) { |
135 io_timestamp_ = io_timestamp; | 135 io_timestamp_ = io_timestamp; |
136 } | 136 } |
137 | 137 |
138 void SetMainThreadTaskRunner( | 138 void SetThreadTaskRunner( |
139 scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner) { | 139 scoped_refptr<base::SingleThreadTaskRunner> thread_task_runner) { |
140 main_thread_task_runner_ = main_thread_task_runner; | 140 thread_task_runner_ = thread_task_runner; |
141 } | 141 } |
142 | 142 |
143 void SetResourceSchedulingFilter( | 143 void SetResourceSchedulingFilter( |
144 scoped_refptr<ResourceSchedulingFilter> resource_scheduling_filter); | 144 scoped_refptr<ResourceSchedulingFilter> resource_scheduling_filter); |
145 | 145 |
146 base::WeakPtr<ResourceDispatcher> GetWeakPtr() { | 146 base::WeakPtr<ResourceDispatcher> GetWeakPtr() { |
147 return weak_factory_.GetWeakPtr(); | 147 return weak_factory_.GetWeakPtr(); |
148 } | 148 } |
149 | 149 |
150 void OnTransferSizeUpdated(int request_id, int32_t transfer_size_diff); | 150 void OnTransferSizeUpdated(int request_id, int32_t transfer_size_diff); |
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264 IPC::Sender* message_sender_; | 264 IPC::Sender* message_sender_; |
265 | 265 |
266 // All pending requests issued to the host | 266 // All pending requests issued to the host |
267 PendingRequestMap pending_requests_; | 267 PendingRequestMap pending_requests_; |
268 | 268 |
269 ResourceDispatcherDelegate* delegate_; | 269 ResourceDispatcherDelegate* delegate_; |
270 | 270 |
271 // IO thread timestamp for ongoing IPC message. | 271 // IO thread timestamp for ongoing IPC message. |
272 base::TimeTicks io_timestamp_; | 272 base::TimeTicks io_timestamp_; |
273 | 273 |
274 scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_; | 274 scoped_refptr<base::SingleThreadTaskRunner> thread_task_runner_; |
275 scoped_refptr<ResourceSchedulingFilter> resource_scheduling_filter_; | 275 scoped_refptr<ResourceSchedulingFilter> resource_scheduling_filter_; |
276 | 276 |
277 base::WeakPtrFactory<ResourceDispatcher> weak_factory_; | 277 base::WeakPtrFactory<ResourceDispatcher> weak_factory_; |
278 | 278 |
279 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcher); | 279 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcher); |
280 }; | 280 }; |
281 | 281 |
282 } // namespace content | 282 } // namespace content |
283 | 283 |
284 #endif // CONTENT_CHILD_RESOURCE_DISPATCHER_H_ | 284 #endif // CONTENT_CHILD_RESOURCE_DISPATCHER_H_ |
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