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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ | 5 #ifndef SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ |
6 #define SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ | 6 #define SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "base/threading/non_thread_safe.h" | 12 #include "base/threading/non_thread_safe.h" |
13 #include "net/base/network_change_notifier.h" | 13 #include "net/base/network_change_notifier.h" |
14 #include "sync/api/attachments/attachment_store.h" | 14 #include "sync/api/attachments/attachment_store.h" |
15 #include "sync/internal_api/public/attachments/attachment_downloader.h" | 15 #include "sync/internal_api/public/attachments/attachment_downloader.h" |
16 #include "sync/internal_api/public/attachments/attachment_service.h" | 16 #include "sync/internal_api/public/attachments/attachment_service.h" |
17 #include "sync/internal_api/public/attachments/attachment_service_proxy.h" | 17 #include "sync/internal_api/public/attachments/attachment_service_proxy.h" |
18 #include "sync/internal_api/public/attachments/attachment_uploader.h" | 18 #include "sync/internal_api/public/attachments/attachment_uploader.h" |
19 #include "sync/internal_api/public/attachments/task_queue.h" | 19 #include "sync/internal_api/public/attachments/task_queue.h" |
20 | 20 |
21 namespace syncer { | 21 namespace syncer { |
22 | 22 |
23 // Implementation of AttachmentService. | 23 // Implementation of AttachmentService. |
24 class SYNC_EXPORT AttachmentServiceImpl | 24 class SYNC_EXPORT AttachmentServiceImpl |
25 : public AttachmentService, | 25 : public AttachmentService, |
26 public net::NetworkChangeNotifier::NetworkChangeObserver, | 26 public net::NetworkChangeNotifier::NetworkChangeObserver, |
27 public base::NonThreadSafe { | 27 public base::NonThreadSafe { |
28 public: | 28 public: |
29 // |attachment_store| is required. UploadAttachments reads attachment data | |
30 // from it. Downloaded attachments will be written into it. | |
31 // | |
32 // |attachment_uploader| is optional. If null, attachments will never be | 29 // |attachment_uploader| is optional. If null, attachments will never be |
33 // uploaded to the sync server and |delegate|'s OnAttachmentUploaded will | 30 // uploaded to the sync server and |delegate|'s OnAttachmentUploaded will |
34 // never be invoked. | 31 // never be invoked. |
35 // | 32 // |
36 // |attachment_downloader| is optional. If null, attachments will never be | 33 // |attachment_downloader| is optional. If null, attachments will never be |
37 // downloaded. Only attachments in |attachment_store| will be returned from | 34 // downloaded. Only attachments in |attachment_store| will be returned from |
38 // GetOrDownloadAttachments. | 35 // GetOrDownloadAttachments. |
39 // | 36 // |
40 // |delegate| is optional delegate for AttachmentService to notify about | 37 // |delegate| is optional delegate for AttachmentService to notify about |
41 // asynchronous events (AttachmentUploaded). Pass NULL if delegate is not | 38 // asynchronous events (AttachmentUploaded). Pass NULL if delegate is not |
42 // provided. AttachmentService doesn't take ownership of delegate, the pointer | 39 // provided. AttachmentService doesn't take ownership of delegate, the pointer |
43 // must be valid throughout AttachmentService lifetime. | 40 // must be valid throughout AttachmentService lifetime. |
44 // | 41 // |
45 // |initial_backoff_delay| the initial delay between upload attempts. This | 42 // |initial_backoff_delay| the initial delay between upload attempts. This |
46 // class automatically retries failed uploads. After the first failure, it | 43 // class automatically retries failed uploads. After the first failure, it |
47 // will wait this amount of time until it tries again. After each failure, | 44 // will wait this amount of time until it tries again. After each failure, |
48 // the delay is doubled until the |max_backoff_delay| is reached. A | 45 // the delay is doubled until the |max_backoff_delay| is reached. A |
49 // successful upload clears the delay. | 46 // successful upload clears the delay. |
50 // | 47 // |
51 // |max_backoff_delay| the maxmium delay between upload attempts when backed | 48 // |max_backoff_delay| the maxmium delay between upload attempts when backed |
52 // off. | 49 // off. |
53 AttachmentServiceImpl(scoped_ptr<AttachmentStore> attachment_store, | 50 AttachmentServiceImpl(scoped_refptr<AttachmentStore> attachment_store, |
54 scoped_ptr<AttachmentUploader> attachment_uploader, | 51 scoped_ptr<AttachmentUploader> attachment_uploader, |
55 scoped_ptr<AttachmentDownloader> attachment_downloader, | 52 scoped_ptr<AttachmentDownloader> attachment_downloader, |
56 Delegate* delegate, | 53 Delegate* delegate, |
57 const base::TimeDelta& initial_backoff_delay, | 54 const base::TimeDelta& initial_backoff_delay, |
58 const base::TimeDelta& max_backoff_delay); | 55 const base::TimeDelta& max_backoff_delay); |
59 ~AttachmentServiceImpl() override; | 56 ~AttachmentServiceImpl() override; |
60 | 57 |
61 // Create an AttachmentServiceImpl suitable for use in tests. | 58 // Create an AttachmentServiceImpl suitable for use in tests. |
62 static scoped_ptr<syncer::AttachmentService> CreateForTest(); | 59 static scoped_ptr<syncer::AttachmentService> CreateForTest(); |
63 | 60 |
64 // AttachmentService implementation. | 61 // AttachmentService implementation. |
| 62 AttachmentStore* GetStore() override; |
65 void GetOrDownloadAttachments(const AttachmentIdList& attachment_ids, | 63 void GetOrDownloadAttachments(const AttachmentIdList& attachment_ids, |
66 const GetOrDownloadCallback& callback) override; | 64 const GetOrDownloadCallback& callback) override; |
67 void UploadAttachments(const AttachmentIdSet& attachment_ids) override; | 65 void UploadAttachments(const AttachmentIdSet& attachment_ids) override; |
68 | 66 |
69 // NetworkChangeObserver implementation. | 67 // NetworkChangeObserver implementation. |
70 void OnNetworkChanged( | 68 void OnNetworkChanged( |
71 net::NetworkChangeNotifier::ConnectionType type) override; | 69 net::NetworkChangeNotifier::ConnectionType type) override; |
72 | 70 |
73 // Use |timer| in the underlying TaskQueue. | 71 // Use |timer| in the underlying TaskQueue. |
74 // | 72 // |
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90 void DownloadDone(const scoped_refptr<GetOrDownloadState>& state, | 88 void DownloadDone(const scoped_refptr<GetOrDownloadState>& state, |
91 const AttachmentId& attachment_id, | 89 const AttachmentId& attachment_id, |
92 const AttachmentDownloader::DownloadResult& result, | 90 const AttachmentDownloader::DownloadResult& result, |
93 scoped_ptr<Attachment> attachment); | 91 scoped_ptr<Attachment> attachment); |
94 void BeginUpload(const AttachmentId& attachment_id); | 92 void BeginUpload(const AttachmentId& attachment_id); |
95 void ReadDoneNowUpload( | 93 void ReadDoneNowUpload( |
96 const AttachmentStore::Result& result, | 94 const AttachmentStore::Result& result, |
97 scoped_ptr<AttachmentMap> attachments, | 95 scoped_ptr<AttachmentMap> attachments, |
98 scoped_ptr<AttachmentIdList> unavailable_attachment_ids); | 96 scoped_ptr<AttachmentIdList> unavailable_attachment_ids); |
99 | 97 |
100 scoped_ptr<AttachmentStore> attachment_store_; | 98 scoped_refptr<AttachmentStore> attachment_store_; |
101 | 99 |
102 // May be null. | 100 // May be null. |
103 const scoped_ptr<AttachmentUploader> attachment_uploader_; | 101 const scoped_ptr<AttachmentUploader> attachment_uploader_; |
104 | 102 |
105 // May be null. | 103 // May be null. |
106 const scoped_ptr<AttachmentDownloader> attachment_downloader_; | 104 const scoped_ptr<AttachmentDownloader> attachment_downloader_; |
107 | 105 |
108 // May be null. | 106 // May be null. |
109 Delegate* delegate_; | 107 Delegate* delegate_; |
110 | 108 |
111 scoped_ptr<TaskQueue<AttachmentId> > upload_task_queue_; | 109 scoped_ptr<TaskQueue<AttachmentId> > upload_task_queue_; |
112 | 110 |
113 // Must be last data member. | 111 // Must be last data member. |
114 base::WeakPtrFactory<AttachmentServiceImpl> weak_ptr_factory_; | 112 base::WeakPtrFactory<AttachmentServiceImpl> weak_ptr_factory_; |
115 | 113 |
116 DISALLOW_COPY_AND_ASSIGN(AttachmentServiceImpl); | 114 DISALLOW_COPY_AND_ASSIGN(AttachmentServiceImpl); |
117 }; | 115 }; |
118 | 116 |
119 } // namespace syncer | 117 } // namespace syncer |
120 | 118 |
121 #endif // SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ | 119 #endif // SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_IMPL_H_ |
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