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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 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_CORE_H_ | 5 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_CORE_H_ |
6 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_CORE_H_ | 6 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_CORE_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <memory> | 11 #include <memory> |
12 #include <string> | 12 #include <string> |
13 | 13 |
14 #include "base/callback.h" | 14 #include "base/callback.h" |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
17 #include "content/browser/loader/resource_handler.h" | 17 #include "content/browser/loader/resource_handler.h" |
18 #include "content/public/browser/download_interrupt_reasons.h" | 18 #include "content/public/browser/download_interrupt_reasons.h" |
19 #include "content/public/browser/download_save_info.h" | 19 #include "content/public/browser/download_save_info.h" |
20 #include "content/public/browser/download_url_parameters.h" | 20 #include "content/public/browser/download_url_parameters.h" |
21 | 21 |
| 22 namespace device { |
| 23 class PowerSaveBlocker; |
| 24 } // namespace device |
| 25 |
22 namespace net { | 26 namespace net { |
23 class HttpResponseHeaders; | 27 class HttpResponseHeaders; |
24 class URLRequest; | 28 class URLRequest; |
25 class URLRequestStatus; | 29 class URLRequestStatus; |
26 } // namespace net | 30 } // namespace net |
27 | 31 |
28 namespace content { | 32 namespace content { |
29 class DownloadManagerImpl; | 33 class DownloadManagerImpl; |
30 class ByteStreamReader; | 34 class ByteStreamReader; |
31 class ByteStreamWriter; | 35 class ByteStreamWriter; |
32 class PowerSaveBlocker; | |
33 struct DownloadCreateInfo; | 36 struct DownloadCreateInfo; |
34 | 37 |
35 // This class encapsulates the core logic for reading data from a URLRequest and | 38 // This class encapsulates the core logic for reading data from a URLRequest and |
36 // writing it into a ByteStream. It's common to both DownloadResourceHandler and | 39 // writing it into a ByteStream. It's common to both DownloadResourceHandler and |
37 // UrlDownloader. | 40 // UrlDownloader. |
38 // | 41 // |
39 // Created, lives on and dies on the IO thread. | 42 // Created, lives on and dies on the IO thread. |
40 class CONTENT_EXPORT DownloadRequestCore | 43 class CONTENT_EXPORT DownloadRequestCore |
41 : public base::SupportsWeakPtr<DownloadRequestCore> { | 44 : public base::SupportsWeakPtr<DownloadRequestCore> { |
42 public: | 45 public: |
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133 uint32_t download_id_; | 136 uint32_t download_id_; |
134 DownloadUrlParameters::OnStartedCallback on_started_callback_; | 137 DownloadUrlParameters::OnStartedCallback on_started_callback_; |
135 | 138 |
136 // Data flow | 139 // Data flow |
137 scoped_refptr<net::IOBuffer> read_buffer_; // From URLRequest. | 140 scoped_refptr<net::IOBuffer> read_buffer_; // From URLRequest. |
138 std::unique_ptr<ByteStreamWriter> stream_writer_; // To rest of system. | 141 std::unique_ptr<ByteStreamWriter> stream_writer_; // To rest of system. |
139 | 142 |
140 // Keeps the system from sleeping while this is alive. If the | 143 // Keeps the system from sleeping while this is alive. If the |
141 // system enters power saving mode while a request is alive, it can cause the | 144 // system enters power saving mode while a request is alive, it can cause the |
142 // request to fail and the associated download will be interrupted. | 145 // request to fail and the associated download will be interrupted. |
143 std::unique_ptr<PowerSaveBlocker> power_save_blocker_; | 146 std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_; |
144 | 147 |
145 // The following are used to collect stats. | 148 // The following are used to collect stats. |
146 base::TimeTicks download_start_time_; | 149 base::TimeTicks download_start_time_; |
147 base::TimeTicks last_read_time_; | 150 base::TimeTicks last_read_time_; |
148 base::TimeTicks last_stream_pause_time_; | 151 base::TimeTicks last_stream_pause_time_; |
149 base::TimeDelta total_pause_time_; | 152 base::TimeDelta total_pause_time_; |
150 size_t last_buffer_size_; | 153 size_t last_buffer_size_; |
151 int64_t bytes_read_; | 154 int64_t bytes_read_; |
152 | 155 |
153 int pause_count_; | 156 int pause_count_; |
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164 | 167 |
165 // Each successful OnWillRead will yield a buffer of this size. | 168 // Each successful OnWillRead will yield a buffer of this size. |
166 static const int kReadBufSize = 32768; // bytes | 169 static const int kReadBufSize = 32768; // bytes |
167 | 170 |
168 DISALLOW_COPY_AND_ASSIGN(DownloadRequestCore); | 171 DISALLOW_COPY_AND_ASSIGN(DownloadRequestCore); |
169 }; | 172 }; |
170 | 173 |
171 } // namespace content | 174 } // namespace content |
172 | 175 |
173 #endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_CORE_H_ | 176 #endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_CORE_H_ |
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