Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / sync_file_system / drive_backend / list_changes_task.h
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
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LIST_CHANGES_TASK_H_
6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LIST_CHANGES_TASK_H_
7
8 #include "base/memory/scoped_ptr.h"
9 #include "base/memory/scoped_vector.h"
10 #include "base/memory/weak_ptr.h"
11 #include "chrome/browser/sync_file_system/drive_backend/sync_task.h"
12 #include "google_apis/drive/gdata_errorcode.h"
13
14 namespace drive {
15 class DriveServiceInterface;
16 }
17
18 namespace google_apis {
19 class ChangeList;
20 class ChangeResource;
21 }
22
23 namespace sync_file_system {
24 namespace drive_backend {
25
26 class MetadataDatabase;
27 class SyncEngineContext;
28
29 class ListChangesTask : public SyncTask {
30  public:
31   explicit ListChangesTask(SyncEngineContext* sync_context);
32   virtual ~ListChangesTask();
33
34   virtual void RunPreflight(scoped_ptr<SyncTaskToken> token) OVERRIDE;
35
36  private:
37   void StartListing(scoped_ptr<SyncTaskToken> token);
38   void DidListChanges(scoped_ptr<SyncTaskToken> token,
39                       google_apis::GDataErrorCode error,
40                       scoped_ptr<google_apis::ChangeList> change_list);
41   void CheckInChangeList(int64 largest_change_id,
42                          scoped_ptr<SyncTaskToken> token);
43
44   bool IsContextReady();
45   MetadataDatabase* metadata_database();
46   drive::DriveServiceInterface* drive_service();
47
48   SyncEngineContext* sync_context_;
49   ScopedVector<google_apis::ChangeResource> change_list_;
50
51   std::vector<std::string> file_ids_;
52
53   base::WeakPtrFactory<ListChangesTask> weak_ptr_factory_;
54
55   DISALLOW_COPY_AND_ASSIGN(ListChangesTask);
56 };
57
58 }  // namespace drive_backend
59 }  // namespace sync_file_system
60
61 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LIST_CHANGES_TASK_H_