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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 CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYNC_CLIENT_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYNC_CLIENT_H_ |
6 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYNC_CLIENT_H_ | 6 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYNC_CLIENT_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "base/message_loop_proxy.h" | 15 #include "base/message_loop_proxy.h" |
16 #include "base/time.h" | 16 #include "base/time.h" |
17 #include "chrome/browser/chromeos/cros/network_library.h" | 17 #include "chrome/browser/chromeos/cros/network_library.h" |
18 #include "chrome/browser/chromeos/gdata/drive_cache.h" | 18 #include "chrome/browser/chromeos/gdata/drive_cache.h" |
19 #include "chrome/browser/chromeos/gdata/gdata_file_system_interface.h" | 19 #include "chrome/browser/chromeos/gdata/drive_file_system_interface.h" |
20 #include "content/public/browser/notification_details.h" | 20 #include "content/public/browser/notification_details.h" |
21 #include "content/public/browser/notification_observer.h" | 21 #include "content/public/browser/notification_observer.h" |
22 #include "content/public/browser/notification_source.h" | 22 #include "content/public/browser/notification_source.h" |
23 | 23 |
24 class Profile; | 24 class Profile; |
25 class PrefChangeRegistrar; | 25 class PrefChangeRegistrar; |
26 | 26 |
27 namespace gdata { | 27 namespace gdata { |
28 | 28 |
29 // The GDataSyncClient is used to synchronize pinned files on gdata and the | 29 // The GDataSyncClient is used to synchronize pinned files on gdata and the |
30 // cache on the local drive. The sync client works as follows. | 30 // cache on the local drive. The sync client works as follows. |
31 // | 31 // |
32 // When the user pins files on gdata, this client is notified about the files | 32 // When the user pins files on gdata, this client is notified about the files |
33 // that get pinned, and queues tasks and starts fetching these files in the | 33 // that get pinned, and queues tasks and starts fetching these files in the |
34 // background. | 34 // background. |
35 // | 35 // |
36 // When the user unpins files on gdata, this client is notified about the | 36 // When the user unpins files on gdata, this client is notified about the |
37 // files that get unpinned, cancels tasks if these are still in the queue. | 37 // files that get unpinned, cancels tasks if these are still in the queue. |
38 // | 38 // |
39 // If the user logs out before fetching of the pinned files is complete, this | 39 // If the user logs out before fetching of the pinned files is complete, this |
40 // client resumes fetching operations next time the user logs in, based on | 40 // client resumes fetching operations next time the user logs in, based on |
41 // the states left in the cache. | 41 // the states left in the cache. |
42 // | 42 // |
43 // TODO(satorux): This client should also upload pinned but dirty (locally | 43 // TODO(satorux): This client should also upload pinned but dirty (locally |
44 // edited) files to gdata. Will work on this once downloading is done. | 44 // edited) files to gdata. Will work on this once downloading is done. |
45 // crosbug.com/27836. | 45 // crosbug.com/27836. |
46 class GDataSyncClient : public GDataFileSystemInterface::Observer, | 46 class GDataSyncClient : public DriveFileSystemInterface::Observer, |
47 public DriveCache::Observer, | 47 public DriveCache::Observer, |
48 public chromeos::NetworkLibrary::NetworkManagerObserver, | 48 public chromeos::NetworkLibrary::NetworkManagerObserver, |
49 public content::NotificationObserver { | 49 public content::NotificationObserver { |
50 public: | 50 public: |
51 // Types of sync tasks. | 51 // Types of sync tasks. |
52 enum SyncType { | 52 enum SyncType { |
53 FETCH, // Fetch a file from the gdata server. | 53 FETCH, // Fetch a file from the gdata server. |
54 UPLOAD, // Upload a file to the gdata server. | 54 UPLOAD, // Upload a file to the gdata server. |
55 }; | 55 }; |
56 | 56 |
57 // The struct is used to queue tasks for fetching and uploading. | 57 // The struct is used to queue tasks for fetching and uploading. |
58 struct SyncTask { | 58 struct SyncTask { |
59 SyncTask(SyncType in_sync_type, | 59 SyncTask(SyncType in_sync_type, |
60 const std::string& in_resource_id, | 60 const std::string& in_resource_id, |
61 const base::Time& in_timestamp); | 61 const base::Time& in_timestamp); |
62 | 62 |
63 SyncType sync_type; | 63 SyncType sync_type; |
64 std::string resource_id; | 64 std::string resource_id; |
65 base::Time timestamp; | 65 base::Time timestamp; |
66 }; | 66 }; |
67 | 67 |
68 // |profile| is used to access user preferences. | 68 // |profile| is used to access user preferences. |
69 // |file_system| is used access the | 69 // |file_system| is used access the |
70 // cache (ex. store a file to the cache when the file is downloaded). | 70 // cache (ex. store a file to the cache when the file is downloaded). |
71 GDataSyncClient(Profile* profile, | 71 GDataSyncClient(Profile* profile, |
72 GDataFileSystemInterface* file_system, | 72 DriveFileSystemInterface* file_system, |
73 DriveCache* cache); | 73 DriveCache* cache); |
74 virtual ~GDataSyncClient(); | 74 virtual ~GDataSyncClient(); |
75 | 75 |
76 // Initializes the GDataSyncClient. | 76 // Initializes the GDataSyncClient. |
77 void Initialize(); | 77 void Initialize(); |
78 | 78 |
79 // GDataFileSystemInterface overrides. | 79 // DriveFileSystemInterface::Observer overrides. |
80 virtual void OnInitialLoadFinished() OVERRIDE; | 80 virtual void OnInitialLoadFinished() OVERRIDE; |
81 virtual void OnFeedFromServerLoaded() OVERRIDE; | 81 virtual void OnFeedFromServerLoaded() OVERRIDE; |
82 | 82 |
83 // DriveCache::Observer overrides. | 83 // DriveCache::Observer overrides. |
84 virtual void OnCachePinned(const std::string& resource_id, | 84 virtual void OnCachePinned(const std::string& resource_id, |
85 const std::string& md5) OVERRIDE; | 85 const std::string& md5) OVERRIDE; |
86 virtual void OnCacheUnpinned(const std::string& resource_id, | 86 virtual void OnCacheUnpinned(const std::string& resource_id, |
87 const std::string& md5) OVERRIDE; | 87 const std::string& md5) OVERRIDE; |
88 virtual void OnCacheCommitted(const std::string& resource_id) OVERRIDE; | 88 virtual void OnCacheCommitted(const std::string& resource_id) OVERRIDE; |
89 | 89 |
(...skipping 86 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
176 | 176 |
177 // chromeos::NetworkLibrary::NetworkManagerObserver override. | 177 // chromeos::NetworkLibrary::NetworkManagerObserver override. |
178 virtual void OnNetworkManagerChanged( | 178 virtual void OnNetworkManagerChanged( |
179 chromeos::NetworkLibrary* network_library) OVERRIDE; | 179 chromeos::NetworkLibrary* network_library) OVERRIDE; |
180 | 180 |
181 // content::NotificationObserver override. | 181 // content::NotificationObserver override. |
182 virtual void Observe(int type, | 182 virtual void Observe(int type, |
183 const content::NotificationSource& source, | 183 const content::NotificationSource& source, |
184 const content::NotificationDetails& details) OVERRIDE; | 184 const content::NotificationDetails& details) OVERRIDE; |
185 Profile* profile_; | 185 Profile* profile_; |
186 GDataFileSystemInterface* file_system_; // Owned by GDataSystemService. | 186 DriveFileSystemInterface* file_system_; // Owned by GDataSystemService. |
187 DriveCache* cache_; // Owned by GDataSystemService. | 187 DriveCache* cache_; // Owned by GDataSystemService. |
188 scoped_ptr<PrefChangeRegistrar> registrar_; | 188 scoped_ptr<PrefChangeRegistrar> registrar_; |
189 | 189 |
190 // The queue of tasks used to fetch/upload files in the background | 190 // The queue of tasks used to fetch/upload files in the background |
191 // thread. Note that this class does not use a lock to protect |queue_| as | 191 // thread. Note that this class does not use a lock to protect |queue_| as |
192 // all methods touching |queue_| run on the UI thread. | 192 // all methods touching |queue_| run on the UI thread. |
193 std::deque<SyncTask> queue_; | 193 std::deque<SyncTask> queue_; |
194 | 194 |
195 // The delay is used for delaying processing SyncTasks in DoSyncLoop(). | 195 // The delay is used for delaying processing SyncTasks in DoSyncLoop(). |
196 base::TimeDelta delay_; | 196 base::TimeDelta delay_; |
197 | 197 |
198 // True if the sync loop is running. | 198 // True if the sync loop is running. |
199 bool sync_loop_is_running_; | 199 bool sync_loop_is_running_; |
200 | 200 |
201 // Note: This should remain the last member so it'll be destroyed and | 201 // Note: This should remain the last member so it'll be destroyed and |
202 // invalidate its weak pointers before any other members are destroyed. | 202 // invalidate its weak pointers before any other members are destroyed. |
203 base::WeakPtrFactory<GDataSyncClient> weak_ptr_factory_; | 203 base::WeakPtrFactory<GDataSyncClient> weak_ptr_factory_; |
204 | 204 |
205 DISALLOW_COPY_AND_ASSIGN(GDataSyncClient); | 205 DISALLOW_COPY_AND_ASSIGN(GDataSyncClient); |
206 }; | 206 }; |
207 | 207 |
208 } // namespace gdata | 208 } // namespace gdata |
209 | 209 |
210 #endif // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYNC_CLIENT_H_ | 210 #endif // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYNC_CLIENT_H_ |
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