list_changes_task.h revision effb81e5f8246d0db0270817048dc992db66e9fb 
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
14namespace drive {
15class DriveServiceInterface;
16}
17
18namespace google_apis {
19class ChangeResource;
20class ResourceList;
21}
22
23namespace sync_file_system {
24namespace drive_backend {
25
26class MetadataDatabase;
27class SyncEngineContext;
28
29class ListChangesTask : public SyncTask {
30 public:
31  explicit ListChangesTask(SyncEngineContext* sync_context);
32  virtual ~ListChangesTask();
33
34  virtual void Run(scoped_ptr<SyncTaskToken> token) OVERRIDE;
35
36 private:
37  void DidListChanges(scoped_ptr<SyncTaskToken> token,
38                      google_apis::GDataErrorCode error,
39                      scoped_ptr<google_apis::ResourceList> resource_list);
40
41  bool IsContextReady();
42  MetadataDatabase* metadata_database();
43  drive::DriveServiceInterface* drive_service();
44
45  SyncEngineContext* sync_context_;
46  ScopedVector<google_apis::ChangeResource> change_list_;
47
48  base::WeakPtrFactory<ListChangesTask> weak_ptr_factory_;
49
50  DISALLOW_COPY_AND_ASSIGN(ListChangesTask);
51};
52
53}  // namespace drive_backend
54}  // namespace sync_file_system
55
56#endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LIST_CHANGES_TASK_H_
57