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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 // The DownloadFileManager owns a set of DownloadFile objects, each of which | 5 // The DownloadFileManager owns a set of DownloadFile objects, each of which |
6 // represent one in progress download and performs the disk IO for that | 6 // represent one in progress download and performs the disk IO for that |
7 // download. The DownloadFileManager itself is a singleton object owned by the | 7 // download. The DownloadFileManager itself is a singleton object owned by the |
8 // ResourceDispatcherHost. | 8 // ResourceDispatcherHost. |
9 // | 9 // |
10 // The DownloadFileManager uses the file_thread for performing file write | 10 // The DownloadFileManager uses the file_thread for performing file write |
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42 | 42 |
43 #include <map> | 43 #include <map> |
44 | 44 |
45 #include "base/atomic_sequence_num.h" | 45 #include "base/atomic_sequence_num.h" |
46 #include "base/basictypes.h" | 46 #include "base/basictypes.h" |
47 #include "base/gtest_prod_util.h" | 47 #include "base/gtest_prod_util.h" |
48 #include "base/hash_tables.h" | 48 #include "base/hash_tables.h" |
49 #include "base/memory/ref_counted.h" | 49 #include "base/memory/ref_counted.h" |
50 #include "base/timer.h" | 50 #include "base/timer.h" |
51 #include "content/browser/download/download_request_handle.h" | 51 #include "content/browser/download/download_request_handle.h" |
| 52 #include "content/common/content_export.h" |
52 #include "net/base/net_errors.h" | 53 #include "net/base/net_errors.h" |
53 #include "ui/gfx/native_widget_types.h" | 54 #include "ui/gfx/native_widget_types.h" |
54 | 55 |
55 struct DownloadBuffer; | 56 struct DownloadBuffer; |
56 struct DownloadCreateInfo; | 57 struct DownloadCreateInfo; |
57 struct DownloadSaveInfo; | 58 struct DownloadSaveInfo; |
58 class DownloadFile; | 59 class DownloadFile; |
59 class DownloadManager; | 60 class DownloadManager; |
60 class FilePath; | 61 class FilePath; |
61 class GURL; | 62 class GURL; |
62 class ResourceDispatcherHost; | 63 class ResourceDispatcherHost; |
63 | 64 |
64 namespace net { | 65 namespace net { |
65 class URLRequestContextGetter; | 66 class URLRequestContextGetter; |
66 } | 67 } |
67 | 68 |
68 // Manages all in progress downloads. | 69 // Manages all in progress downloads. |
69 class DownloadFileManager | 70 class DownloadFileManager |
70 : public base::RefCountedThreadSafe<DownloadFileManager> { | 71 : public base::RefCountedThreadSafe<DownloadFileManager> { |
71 public: | 72 public: |
72 explicit DownloadFileManager(ResourceDispatcherHost* rdh); | 73 explicit DownloadFileManager(ResourceDispatcherHost* rdh); |
73 | 74 |
74 // Called on shutdown on the UI thread. | 75 // Called on shutdown on the UI thread. |
75 void Shutdown(); | 76 CONTENT_EXPORT void Shutdown(); |
76 | 77 |
77 // Called on the IO or UI threads. | 78 // Called on the IO or UI threads. |
78 int GetNextId(); | 79 int GetNextId(); |
79 | 80 |
80 // Called on UI thread to make DownloadFileManager start the download. | 81 // Called on UI thread to make DownloadFileManager start the download. |
81 void StartDownload(DownloadCreateInfo* info); | 82 void StartDownload(DownloadCreateInfo* info); |
82 | 83 |
83 // Handlers for notifications sent from the IO thread and run on the | 84 // Handlers for notifications sent from the IO thread and run on the |
84 // FILE thread. | 85 // FILE thread. |
85 void UpdateDownload(int id, DownloadBuffer* buffer); | 86 void UpdateDownload(int id, DownloadBuffer* buffer); |
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167 // Schedule periodic updates of the download progress. This timer | 168 // Schedule periodic updates of the download progress. This timer |
168 // is controlled from the FILE thread, and posts updates to the UI thread. | 169 // is controlled from the FILE thread, and posts updates to the UI thread. |
169 base::RepeatingTimer<DownloadFileManager> update_timer_; | 170 base::RepeatingTimer<DownloadFileManager> update_timer_; |
170 | 171 |
171 ResourceDispatcherHost* resource_dispatcher_host_; | 172 ResourceDispatcherHost* resource_dispatcher_host_; |
172 | 173 |
173 DISALLOW_COPY_AND_ASSIGN(DownloadFileManager); | 174 DISALLOW_COPY_AND_ASSIGN(DownloadFileManager); |
174 }; | 175 }; |
175 | 176 |
176 #endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_MANAGER_H_ | 177 #endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_MANAGER_H_ |
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