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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_REMOTE_CHANGE_HANDLER_H
_ | 5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_REMOTE_CHANGE_HANDLER_H
_ |
| 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_REMOTE_CHANGE_HANDLER_H
_ | 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_REMOTE_CHANGE_HANDLER_H
_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <string> | 10 #include <string> |
| 11 #include <utility> | 11 #include <utility> |
| 12 | 12 |
| 13 #include "base/files/file_path.h" | 13 #include "base/files/file_path.h" |
| 14 #include "base/stl_util.h" | 14 #include "base/stl_util.h" |
| 15 #include "base/time/time.h" | 15 #include "base/time/time.h" |
| 16 #include "chrome/browser/sync_file_system/file_change.h" | 16 #include "chrome/browser/sync_file_system/file_change.h" |
| 17 #include "webkit/browser/fileapi/file_system_url.h" | 17 #include "storage/browser/fileapi/file_system_url.h" |
| 18 | 18 |
| 19 namespace sync_file_system { | 19 namespace sync_file_system { |
| 20 | 20 |
| 21 // Manages pending remote file changes. | 21 // Manages pending remote file changes. |
| 22 class RemoteChangeHandler { | 22 class RemoteChangeHandler { |
| 23 public: | 23 public: |
| 24 struct RemoteChange { | 24 struct RemoteChange { |
| 25 int64 changestamp; | 25 int64 changestamp; |
| 26 std::string resource_id; | 26 std::string resource_id; |
| 27 std::string md5_checksum; | 27 std::string md5_checksum; |
| 28 base::Time updated_time; | 28 base::Time updated_time; |
| 29 fileapi::FileSystemURL url; | 29 storage::FileSystemURL url; |
| 30 FileChange change; | 30 FileChange change; |
| 31 | 31 |
| 32 RemoteChange(); | 32 RemoteChange(); |
| 33 RemoteChange(int64 changestamp, | 33 RemoteChange(int64 changestamp, |
| 34 const std::string& resource_id, | 34 const std::string& resource_id, |
| 35 const std::string& md5_checksum, | 35 const std::string& md5_checksum, |
| 36 const base::Time& updated_time, | 36 const base::Time& updated_time, |
| 37 const fileapi::FileSystemURL& url, | 37 const storage::FileSystemURL& url, |
| 38 const FileChange& change); | 38 const FileChange& change); |
| 39 ~RemoteChange(); | 39 ~RemoteChange(); |
| 40 }; | 40 }; |
| 41 | 41 |
| 42 struct RemoteChangeComparator { | 42 struct RemoteChangeComparator { |
| 43 bool operator()(const RemoteChange& left, const RemoteChange& right); | 43 bool operator()(const RemoteChange& left, const RemoteChange& right); |
| 44 }; | 44 }; |
| 45 | 45 |
| 46 RemoteChangeHandler(); | 46 RemoteChangeHandler(); |
| 47 virtual ~RemoteChangeHandler(); | 47 virtual ~RemoteChangeHandler(); |
| 48 | 48 |
| 49 // Pushes the next change into |remote_change| and returns true. | 49 // Pushes the next change into |remote_change| and returns true. |
| 50 bool GetChange(RemoteChange* remote_change); | 50 bool GetChange(RemoteChange* remote_change); |
| 51 | 51 |
| 52 // Pushes the change for the |url| into |remote_change| and returns true. | 52 // Pushes the change for the |url| into |remote_change| and returns true. |
| 53 bool GetChangeForURL(const fileapi::FileSystemURL& url, | 53 bool GetChangeForURL(const storage::FileSystemURL& url, |
| 54 RemoteChange* remote_change); | 54 RemoteChange* remote_change); |
| 55 | 55 |
| 56 // Appends |remote_change| into the change queue. |remote_change| overrides an | 56 // Appends |remote_change| into the change queue. |remote_change| overrides an |
| 57 // existing change for the same URL if exists. | 57 // existing change for the same URL if exists. |
| 58 void AppendChange(const RemoteChange& remote_change); | 58 void AppendChange(const RemoteChange& remote_change); |
| 59 | 59 |
| 60 // Removes a change for the |url|. | 60 // Removes a change for the |url|. |
| 61 bool RemoveChangeForURL(const fileapi::FileSystemURL& url); | 61 bool RemoveChangeForURL(const storage::FileSystemURL& url); |
| 62 | 62 |
| 63 // Removes changes for the |origin|. | 63 // Removes changes for the |origin|. |
| 64 void RemoveChangesForOrigin(const GURL& origin); | 64 void RemoveChangesForOrigin(const GURL& origin); |
| 65 | 65 |
| 66 bool HasChangesForOrigin(const GURL& origin) const; | 66 bool HasChangesForOrigin(const GURL& origin) const; |
| 67 bool HasChanges() const { return !changes_.empty(); } | 67 bool HasChanges() const { return !changes_.empty(); } |
| 68 size_t ChangesSize() const { return changes_.size(); } | 68 size_t ChangesSize() const { return changes_.size(); } |
| 69 | 69 |
| 70 private: | 70 private: |
| 71 struct ChangeQueueItem { | 71 struct ChangeQueueItem { |
| 72 int64 changestamp; | 72 int64 changestamp; |
| 73 fileapi::FileSystemURL url; | 73 storage::FileSystemURL url; |
| 74 | 74 |
| 75 ChangeQueueItem(); | 75 ChangeQueueItem(); |
| 76 ChangeQueueItem(int64 changestamp, | 76 ChangeQueueItem(int64 changestamp, const storage::FileSystemURL& url); |
| 77 const fileapi::FileSystemURL& url); | |
| 78 }; | 77 }; |
| 79 | 78 |
| 80 struct ChangeQueueComparator { | 79 struct ChangeQueueComparator { |
| 81 bool operator()(const ChangeQueueItem& left, const ChangeQueueItem& right); | 80 bool operator()(const ChangeQueueItem& left, const ChangeQueueItem& right); |
| 82 }; | 81 }; |
| 83 | 82 |
| 84 typedef std::set<ChangeQueueItem, ChangeQueueComparator> PendingChangeQueue; | 83 typedef std::set<ChangeQueueItem, ChangeQueueComparator> PendingChangeQueue; |
| 85 | 84 |
| 86 struct ChangeMapItem { | 85 struct ChangeMapItem { |
| 87 RemoteChange remote_change; | 86 RemoteChange remote_change; |
| (...skipping 12 matching lines...) Expand all Loading... |
| 100 | 99 |
| 101 PendingChangeQueue changes_; | 100 PendingChangeQueue changes_; |
| 102 OriginToChangesMap origin_to_changes_map_; | 101 OriginToChangesMap origin_to_changes_map_; |
| 103 | 102 |
| 104 DISALLOW_COPY_AND_ASSIGN(RemoteChangeHandler); | 103 DISALLOW_COPY_AND_ASSIGN(RemoteChangeHandler); |
| 105 }; | 104 }; |
| 106 | 105 |
| 107 } // namespace sync_file_system | 106 } // namespace sync_file_system |
| 108 | 107 |
| 109 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_REMOTE_CHANGE_HANDLE
R_H_ | 108 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_REMOTE_CHANGE_HANDLE
R_H_ |
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