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Side by Side Diff: chrome/browser/sync_file_system/remote_change_processor.h

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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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_SYNC_FILE_SYSTEM_REMOTE_CHANGE_PROCESSOR_H_ 5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_REMOTE_CHANGE_PROCESSOR_H_
6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_REMOTE_CHANGE_PROCESSOR_H_ 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_REMOTE_CHANGE_PROCESSOR_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "base/callback_forward.h" 9 #include "base/callback_forward.h"
10 #include "chrome/browser/sync_file_system/sync_callbacks.h" 10 #include "chrome/browser/sync_file_system/sync_callbacks.h"
11 #include "chrome/browser/sync_file_system/sync_status_code.h" 11 #include "chrome/browser/sync_file_system/sync_status_code.h"
12 12
13 namespace base { 13 namespace base {
14 class FilePath; 14 class FilePath;
15 } 15 }
16 16
17 namespace fileapi { 17 namespace storage {
18 class FileSystemURL; 18 class FileSystemURL;
19 } 19 }
20 20
21 namespace sync_file_system { 21 namespace sync_file_system {
22 22
23 class FileChange; 23 class FileChange;
24 class FileChangeList; 24 class FileChangeList;
25 class SyncFileMetadata; 25 class SyncFileMetadata;
26 26
27 // Represents an interface to process one remote change and applies 27 // Represents an interface to process one remote change and applies
(...skipping 13 matching lines...) Expand all
41 41
42 RemoteChangeProcessor() {} 42 RemoteChangeProcessor() {}
43 virtual ~RemoteChangeProcessor() {} 43 virtual ~RemoteChangeProcessor() {}
44 44
45 // This must be called before processing the change for the |url|. 45 // This must be called before processing the change for the |url|.
46 // This tries to lock the target |url| and returns the local changes 46 // This tries to lock the target |url| and returns the local changes
47 // if any. (The change returned by the callback is to make a decision 47 // if any. (The change returned by the callback is to make a decision
48 // on conflict resolution, but NOT for applying local changes to the remote, 48 // on conflict resolution, but NOT for applying local changes to the remote,
49 // which is supposed to be done by LocalChangeProcessor) 49 // which is supposed to be done by LocalChangeProcessor)
50 virtual void PrepareForProcessRemoteChange( 50 virtual void PrepareForProcessRemoteChange(
51 const fileapi::FileSystemURL& url, 51 const storage::FileSystemURL& url,
52 const PrepareChangeCallback& callback) = 0; 52 const PrepareChangeCallback& callback) = 0;
53 53
54 // This is called to apply the remote |change|. If the change type is 54 // This is called to apply the remote |change|. If the change type is
55 // ADD_OR_UPDATE for a file, |local_path| needs to point to a 55 // ADD_OR_UPDATE for a file, |local_path| needs to point to a
56 // local file path that contains the latest file image (e.g. a path 56 // local file path that contains the latest file image (e.g. a path
57 // to a temporary file which has the data downloaded from the server). 57 // to a temporary file which has the data downloaded from the server).
58 // This may fail with an error but should NOT result in a conflict 58 // This may fail with an error but should NOT result in a conflict
59 // (as we must have checked the change status in PrepareRemoteSync and 59 // (as we must have checked the change status in PrepareRemoteSync and
60 // have disabled any further writing). 60 // have disabled any further writing).
61 virtual void ApplyRemoteChange( 61 virtual void ApplyRemoteChange(const FileChange& change,
62 const FileChange& change, 62 const base::FilePath& local_path,
63 const base::FilePath& local_path, 63 const storage::FileSystemURL& url,
64 const fileapi::FileSystemURL& url, 64 const SyncStatusCallback& callback) = 0;
65 const SyncStatusCallback& callback) = 0;
66 65
67 // Finalizes the remote sync started by PrepareForProcessRemoteChange. 66 // Finalizes the remote sync started by PrepareForProcessRemoteChange.
68 // This clears sync flag on |url| to unlock the file for future writes/sync. 67 // This clears sync flag on |url| to unlock the file for future writes/sync.
69 // Clears all local changes if |clear_local_changes| is true. 68 // Clears all local changes if |clear_local_changes| is true.
70 // This should be set to true when the remote sync service reconciled or 69 // This should be set to true when the remote sync service reconciled or
71 // processed the existing local changes while processing a remote change. 70 // processed the existing local changes while processing a remote change.
72 virtual void FinalizeRemoteSync( 71 virtual void FinalizeRemoteSync(const storage::FileSystemURL& url,
73 const fileapi::FileSystemURL& url, 72 bool clear_local_changes,
74 bool clear_local_changes, 73 const base::Closure& completion_callback) = 0;
75 const base::Closure& completion_callback) = 0;
76 74
77 // Records a fake local change so that the change will be processed in the 75 // Records a fake local change so that the change will be processed in the
78 // next local sync. 76 // next local sync.
79 // This is called when the remote side wants to trigger a local sync 77 // This is called when the remote side wants to trigger a local sync
80 // to propagate the local change to the remote change (e.g. to 78 // to propagate the local change to the remote change (e.g. to
81 // resolve a conflict by uploading the local file). 79 // resolve a conflict by uploading the local file).
82 virtual void RecordFakeLocalChange( 80 virtual void RecordFakeLocalChange(const storage::FileSystemURL& url,
83 const fileapi::FileSystemURL& url, 81 const FileChange& change,
84 const FileChange& change, 82 const SyncStatusCallback& callback) = 0;
85 const SyncStatusCallback& callback) = 0;
86 83
87 private: 84 private:
88 DISALLOW_COPY_AND_ASSIGN(RemoteChangeProcessor); 85 DISALLOW_COPY_AND_ASSIGN(RemoteChangeProcessor);
89 }; 86 };
90 87
91 } // namespace sync_file_system 88 } // namespace sync_file_system
92 89
93 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_REMOTE_CHANGE_PROCESSOR_H_ 90 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_REMOTE_CHANGE_PROCESSOR_H_
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