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 ChangeList; 20class ChangeResource; 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 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_ 62