1 // Copyright 2014 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 SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ 6 #define SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "base/memory/weak_ptr.h" 10 #include "base/threading/non_thread_safe.h" 11 #include "sync/api/attachments/attachment_downloader.h" 12 #include "sync/api/attachments/attachment_service.h" 13 #include "sync/api/attachments/attachment_service_proxy.h" 14 #include "sync/api/attachments/attachment_store.h" 15 #include "sync/api/attachments/attachment_uploader.h" 16 17 namespace syncer { 18 19 // Implementation of AttachmentService. 20 class SYNC_EXPORT AttachmentServiceImpl : public AttachmentService, 21 public base::NonThreadSafe { 22 public: 23 // |delegate| is optional delegate for AttachmentService to notify about 24 // asynchronous events (AttachmentUploaded). Pass NULL if delegate is not 25 // provided. AttachmentService doesn't take ownership of delegate, the pointer 26 // must be valid throughout AttachmentService lifetime. 27 AttachmentServiceImpl(scoped_ptr<AttachmentStore> attachment_store, 28 scoped_ptr<AttachmentUploader> attachment_uploader, 29 scoped_ptr<AttachmentDownloader> attachment_downloader, 30 Delegate* delegate); 31 virtual ~AttachmentServiceImpl(); 32 33 // Create an AttachmentServiceImpl suitable for use in tests. 34 static scoped_ptr<syncer::AttachmentService> CreateForTest(); 35 36 // AttachmentService implementation. 37 virtual void GetOrDownloadAttachments(const AttachmentIdList& attachment_ids, 38 const GetOrDownloadCallback& callback) 39 OVERRIDE; 40 virtual void DropAttachments(const AttachmentIdList& attachment_ids, 41 const DropCallback& callback) OVERRIDE; 42 virtual void StoreAttachments(const AttachmentList& attachments, 43 const StoreCallback& callback) OVERRIDE; 44 virtual void OnSyncDataDelete(const SyncData& sync_data) OVERRIDE; 45 virtual void OnSyncDataUpdate(const AttachmentIdList& old_attachment_ids, 46 const SyncData& updated_sync_data) OVERRIDE; 47 48 private: 49 class GetOrDownloadState; 50 51 void ReadDone(const scoped_refptr<GetOrDownloadState>& state, 52 const AttachmentStore::Result& result, 53 scoped_ptr<AttachmentMap> attachments, 54 scoped_ptr<AttachmentIdList> unavailable_attachment_ids); 55 void DropDone(const DropCallback& callback, 56 const AttachmentStore::Result& result); 57 void WriteDone(const StoreCallback& callback, 58 const AttachmentStore::Result& result); 59 void UploadDone(const AttachmentUploader::UploadResult& result, 60 const AttachmentId& attachment_id); 61 void DownloadDone(const scoped_refptr<GetOrDownloadState>& state, 62 const AttachmentId& attachment_id, 63 const AttachmentDownloader::DownloadResult& result, 64 scoped_ptr<Attachment> attachment); 65 66 const scoped_ptr<AttachmentStore> attachment_store_; 67 const scoped_ptr<AttachmentUploader> attachment_uploader_; 68 const scoped_ptr<AttachmentDownloader> attachment_downloader_; 69 Delegate* delegate_; 70 // Must be last data member. 71 base::WeakPtrFactory<AttachmentServiceImpl> weak_ptr_factory_; 72 73 DISALLOW_COPY_AND_ASSIGN(AttachmentServiceImpl); 74 }; 75 76 } // namespace syncer 77 78 #endif // SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ 79