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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 #include "components/sync/driver/shared_change_processor.h" | 5 #include "components/sync/driver/shared_change_processor.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/threading/sequenced_task_runner_handle.h" | 9 #include "base/threading/sequenced_task_runner_handle.h" |
10 #include "base/threading/thread_task_runner_handle.h" | 10 #include "base/threading/thread_task_runner_handle.h" |
11 #include "components/sync/base/data_type_histogram.h" | 11 #include "components/sync/base/data_type_histogram.h" |
12 #include "components/sync/driver/generic_change_processor.h" | 12 #include "components/sync/driver/generic_change_processor.h" |
13 #include "components/sync/driver/generic_change_processor_factory.h" | 13 #include "components/sync/driver/generic_change_processor_factory.h" |
14 #include "components/sync/driver/shared_change_processor_ref.h" | 14 #include "components/sync/driver/shared_change_processor_ref.h" |
| 15 #include "components/sync/driver/sync_client.h" |
15 #include "components/sync/model/sync_change.h" | 16 #include "components/sync/model/sync_change.h" |
16 #include "components/sync/model/syncable_service.h" | 17 #include "components/sync/model/syncable_service.h" |
17 | 18 |
18 using base::AutoLock; | 19 using base::AutoLock; |
19 | 20 |
20 namespace syncer { | 21 namespace syncer { |
21 | 22 |
22 class AttachmentService; | 23 class AttachmentService; |
23 | 24 |
24 SharedChangeProcessor::SharedChangeProcessor(ModelType type) | 25 SharedChangeProcessor::SharedChangeProcessor(ModelType type) |
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43 generic_change_processor_)) { | 44 generic_change_processor_)) { |
44 NOTREACHED(); | 45 NOTREACHED(); |
45 } | 46 } |
46 } | 47 } |
47 } else { | 48 } else { |
48 DCHECK(!generic_change_processor_); | 49 DCHECK(!generic_change_processor_); |
49 } | 50 } |
50 } | 51 } |
51 | 52 |
52 void SharedChangeProcessor::StartAssociation( | 53 void SharedChangeProcessor::StartAssociation( |
53 const StartDoneCallback& start_done, | 54 StartDoneCallback start_done, |
54 const SyncClient::ServiceProvider& service_provider, | 55 SyncClient* const sync_client, |
55 SyncApiComponentFactory* driver_factory, | |
56 GenericChangeProcessorFactory* processor_factory, | 56 GenericChangeProcessorFactory* processor_factory, |
57 UserShare* user_share, | 57 UserShare* user_share, |
58 std::unique_ptr<DataTypeErrorHandler> error_handler) { | 58 std::unique_ptr<DataTypeErrorHandler> error_handler) { |
59 DCHECK(user_share); | 59 DCHECK(user_share); |
60 SyncMergeResult local_merge_result(type_); | 60 SyncMergeResult local_merge_result(type_); |
61 SyncMergeResult syncer_merge_result(type_); | 61 SyncMergeResult syncer_merge_result(type_); |
62 base::WeakPtrFactory<SyncMergeResult> weak_ptr_factory(&syncer_merge_result); | 62 base::WeakPtrFactory<SyncMergeResult> weak_ptr_factory(&syncer_merge_result); |
63 | 63 |
64 // Connect |shared_change_processor| to the syncer and get the | 64 // Connect |shared_change_processor| to the syncer and get the |
65 // SyncableService associated with type_. | 65 // SyncableService associated with type_. |
66 // Note that it's possible the shared_change_processor has already been | 66 // Note that it's possible the shared_change_processor has already been |
67 // disconnected at this point, so all our accesses to the syncer from this | 67 // disconnected at this point, so all our accesses to the syncer from this |
68 // point on are through it. | 68 // point on are through it. |
69 local_service_ = | 69 local_service_ = |
70 Connect(service_provider, driver_factory, processor_factory, user_share, | 70 Connect(sync_client, processor_factory, user_share, |
71 std::move(error_handler), weak_ptr_factory.GetWeakPtr()); | 71 std::move(error_handler), weak_ptr_factory.GetWeakPtr()); |
72 if (!local_service_.get()) { | 72 if (!local_service_.get()) { |
73 SyncError error(FROM_HERE, SyncError::DATATYPE_ERROR, | 73 SyncError error(FROM_HERE, SyncError::DATATYPE_ERROR, |
74 "Failed to connect to syncer.", type_); | 74 "Failed to connect to syncer.", type_); |
75 local_merge_result.set_error(error); | 75 local_merge_result.set_error(error); |
76 start_done.Run(DataTypeController::ASSOCIATION_FAILED, local_merge_result, | 76 start_done.Run(DataTypeController::ASSOCIATION_FAILED, local_merge_result, |
77 syncer_merge_result); | 77 syncer_merge_result); |
78 return; | 78 return; |
79 } | 79 } |
80 | 80 |
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132 } | 132 } |
133 | 133 |
134 syncer_merge_result.set_num_items_after_association(GetSyncCount()); | 134 syncer_merge_result.set_num_items_after_association(GetSyncCount()); |
135 | 135 |
136 start_done.Run(!sync_has_nodes ? DataTypeController::OK_FIRST_RUN | 136 start_done.Run(!sync_has_nodes ? DataTypeController::OK_FIRST_RUN |
137 : DataTypeController::OK, | 137 : DataTypeController::OK, |
138 local_merge_result, syncer_merge_result); | 138 local_merge_result, syncer_merge_result); |
139 } | 139 } |
140 | 140 |
141 base::WeakPtr<SyncableService> SharedChangeProcessor::Connect( | 141 base::WeakPtr<SyncableService> SharedChangeProcessor::Connect( |
142 const SyncClient::ServiceProvider& service_provider, | 142 SyncClient* sync_client, |
143 SyncApiComponentFactory* driver_factory, | |
144 GenericChangeProcessorFactory* processor_factory, | 143 GenericChangeProcessorFactory* processor_factory, |
145 UserShare* user_share, | 144 UserShare* user_share, |
146 std::unique_ptr<DataTypeErrorHandler> error_handler, | 145 std::unique_ptr<DataTypeErrorHandler> error_handler, |
147 const base::WeakPtr<SyncMergeResult>& merge_result) { | 146 const base::WeakPtr<SyncMergeResult>& merge_result) { |
| 147 DCHECK(sync_client); |
148 DCHECK(error_handler); | 148 DCHECK(error_handler); |
149 backend_task_runner_ = base::SequencedTaskRunnerHandle::Get(); | 149 backend_task_runner_ = base::SequencedTaskRunnerHandle::Get(); |
150 AutoLock lock(monitor_lock_); | 150 AutoLock lock(monitor_lock_); |
151 if (disconnected_) | 151 if (disconnected_) |
152 return base::WeakPtr<SyncableService>(); | 152 return base::WeakPtr<SyncableService>(); |
153 error_handler_ = std::move(error_handler); | 153 error_handler_ = std::move(error_handler); |
154 base::WeakPtr<SyncableService> local_service = service_provider.Run(); | 154 base::WeakPtr<SyncableService> local_service = |
| 155 sync_client->GetSyncableServiceForType(type_); |
155 if (!local_service.get()) { | 156 if (!local_service.get()) { |
156 LOG(WARNING) << "SyncableService destroyed before DTC was stopped."; | 157 LOG(WARNING) << "SyncableService destroyed before DTC was stopped."; |
157 disconnected_ = true; | 158 disconnected_ = true; |
158 return base::WeakPtr<SyncableService>(); | 159 return base::WeakPtr<SyncableService>(); |
159 } | 160 } |
160 | 161 |
161 generic_change_processor_ = | 162 generic_change_processor_ = processor_factory |
162 processor_factory | 163 ->CreateGenericChangeProcessor( |
163 ->CreateGenericChangeProcessor(type_, user_share, | 164 type_, user_share, error_handler_->Copy(), |
164 error_handler_->Copy(), local_service, | 165 local_service, merge_result, sync_client) |
165 merge_result, driver_factory) | 166 .release(); |
166 .release(); | |
167 // If available, propagate attachment service to the syncable service. | 167 // If available, propagate attachment service to the syncable service. |
168 std::unique_ptr<AttachmentService> attachment_service = | 168 std::unique_ptr<AttachmentService> attachment_service = |
169 generic_change_processor_->GetAttachmentService(); | 169 generic_change_processor_->GetAttachmentService(); |
170 if (attachment_service) { | 170 if (attachment_service) { |
171 local_service->SetAttachmentService(std::move(attachment_service)); | 171 local_service->SetAttachmentService(std::move(attachment_service)); |
172 } | 172 } |
173 return local_service; | 173 return local_service; |
174 } | 174 } |
175 | 175 |
176 bool SharedChangeProcessor::Disconnect() { | 176 bool SharedChangeProcessor::Disconnect() { |
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318 #undef PER_DATA_TYPE_MACRO | 318 #undef PER_DATA_TYPE_MACRO |
319 } | 319 } |
320 | 320 |
321 void SharedChangeProcessor::StopLocalService() { | 321 void SharedChangeProcessor::StopLocalService() { |
322 if (local_service_.get()) | 322 if (local_service_.get()) |
323 local_service_->StopSyncing(type_); | 323 local_service_->StopSyncing(type_); |
324 local_service_.reset(); | 324 local_service_.reset(); |
325 } | 325 } |
326 | 326 |
327 } // namespace syncer | 327 } // namespace syncer |
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