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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; |
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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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