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1 // Copyright (c) 2010 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 #include "base/histogram.h" | |
6 #include "base/logging.h" | |
7 #include "base/time.h" | |
8 #include "chrome/browser/chrome_thread.h" | |
9 #include "chrome/browser/sync/glue/session_change_processor.h" | |
10 #include "chrome/browser/sync/glue/session_data_type_controller.h" | |
11 #include "chrome/browser/sync/glue/session_model_associator.h" | |
12 #include "chrome/browser/sync/profile_sync_service.h" | |
13 #include "chrome/browser/sync/profile_sync_factory.h" | |
14 #include "chrome/browser/sync/unrecoverable_error_handler.h" | |
15 | |
16 namespace browser_sync { | |
17 | |
18 SessionDataTypeController::SessionDataTypeController( | |
19 ProfileSyncFactory* profile_sync_factory, | |
20 ProfileSyncService* sync_service) | |
21 : profile_sync_factory_(profile_sync_factory), | |
22 sync_service_(sync_service), | |
23 state_(NOT_RUNNING) { | |
24 DCHECK(profile_sync_factory); | |
25 DCHECK(sync_service); | |
26 } | |
27 | |
28 SessionDataTypeController::~SessionDataTypeController() { | |
29 } | |
30 | |
31 void SessionDataTypeController::Start(StartCallback* start_callback) { | |
32 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
33 DCHECK(start_callback); | |
34 if (state_ != NOT_RUNNING) { | |
35 start_callback->Run(BUSY); | |
36 delete start_callback; | |
37 return; | |
38 } | |
39 | |
40 start_callback_.reset(start_callback); | |
41 | |
42 ProfileSyncFactory::SyncComponents sync_components = | |
43 profile_sync_factory_->CreateSessionSyncComponents(sync_service_, | |
44 this); | |
45 model_associator_.reset(sync_components.model_associator); | |
46 change_processor_.reset(sync_components.change_processor); | |
47 | |
48 bool sync_has_nodes = false; | |
49 if (!model_associator_->SyncModelHasUserCreatedNodes(&sync_has_nodes)) { | |
50 StartFailed(UNRECOVERABLE_ERROR); | |
51 return; | |
52 } | |
53 | |
54 base::TimeTicks start_time = base::TimeTicks::Now(); | |
55 bool success = model_associator_->AssociateModels(); | |
56 UMA_HISTOGRAM_TIMES("Sync.SessionAssociationTime", | |
57 base::TimeTicks::Now() - start_time); | |
58 if (!success) { | |
59 StartFailed(ASSOCIATION_FAILED); | |
60 return; | |
61 } | |
62 | |
63 sync_service_->ActivateDataType(this, change_processor_.get()); | |
64 state_ = RUNNING; | |
65 FinishStart(!sync_has_nodes ? OK_FIRST_RUN : OK); | |
66 } | |
67 | |
68 void SessionDataTypeController::Stop() { | |
69 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
70 | |
71 if (change_processor_ != NULL) | |
72 sync_service_->DeactivateDataType(this, change_processor_.get()); | |
73 | |
74 if (model_associator_ != NULL) | |
75 model_associator_->DisassociateModels(); | |
76 | |
77 change_processor_.reset(); | |
78 model_associator_.reset(); | |
79 start_callback_.reset(); | |
80 | |
81 state_ = NOT_RUNNING; | |
82 } | |
83 | |
84 void SessionDataTypeController::OnUnrecoverableError( | |
85 const tracked_objects::Location& from_here, | |
86 const std::string& message) { | |
87 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
88 UMA_HISTOGRAM_COUNTS("Sync.SessionRunFailures", 1); | |
89 sync_service_->OnUnrecoverableError(from_here, message); | |
90 } | |
91 | |
92 browser_sync::SessionModelAssociator* | |
93 SessionDataTypeController::GetModelAssociator() { | |
94 return static_cast<SessionModelAssociator*>(model_associator_.get()); | |
95 } | |
96 | |
97 void SessionDataTypeController::FinishStart(StartResult result) { | |
98 start_callback_->Run(result); | |
99 start_callback_.reset(); | |
100 } | |
101 | |
102 void SessionDataTypeController::StartFailed(StartResult result) { | |
103 model_associator_.reset(); | |
104 change_processor_.reset(); | |
105 start_callback_->Run(result); | |
106 start_callback_.reset(); | |
107 UMA_HISTOGRAM_ENUMERATION("Sync.SessionStartFailures", | |
108 result, | |
109 MAX_START_RESULT); | |
110 } | |
111 | |
112 } // namespace browser_sync | |
113 | |
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