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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 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 | 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 "chrome/browser/sync/glue/ui_model_worker.h" | 5 #include "chrome/browser/sync/glue/ui_model_worker.h" |
6 | 6 |
7 #include "base/message_loop.h" | 7 #include "base/message_loop.h" |
8 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" | 8 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" |
9 #include "base/waitable_event.h" | 9 #include "base/waitable_event.h" |
10 | 10 |
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82 if (pending_work_) | 82 if (pending_work_) |
83 pending_work_->Run(); // OnTaskCompleted will set pending_work_ to NULL. | 83 pending_work_->Run(); // OnTaskCompleted will set pending_work_ to NULL. |
84 | 84 |
85 // Wait for either a new task or SyncerThread termination. | 85 // Wait for either a new task or SyncerThread termination. |
86 syncapi_event_.Wait(); | 86 syncapi_event_.Wait(); |
87 } | 87 } |
88 | 88 |
89 state_ = STOPPED; | 89 state_ = STOPPED; |
90 } | 90 } |
91 | 91 |
| 92 ModelSafeGroup UIModelWorker::GetModelSafeGroup() { |
| 93 return GROUP_UI; |
| 94 } |
| 95 |
92 bool UIModelWorker::CurrentThreadIsWorkThread() { | 96 bool UIModelWorker::CurrentThreadIsWorkThread() { |
93 return MessageLoop::current() == ui_loop_; | 97 return MessageLoop::current() == ui_loop_; |
94 } | 98 } |
95 | 99 |
96 void UIModelWorker::CallDoWorkAndSignalTask::Run() { | 100 void UIModelWorker::CallDoWorkAndSignalTask::Run() { |
97 if (!work_) { | 101 if (!work_) { |
98 // This can happen during tests or cases where there are more than just the | 102 // This can happen during tests or cases where there are more than just the |
99 // default UIModelWorker in existence and it gets destroyed before | 103 // default UIModelWorker in existence and it gets destroyed before |
100 // the main UI loop has terminated. There is no easy way to assert the | 104 // the main UI loop has terminated. There is no easy way to assert the |
101 // loop is running / not running at the moment, so we just provide cancel | 105 // loop is running / not running at the moment, so we just provide cancel |
102 // semantics here and short-circuit. | 106 // semantics here and short-circuit. |
103 // TODO(timsteele): Maybe we should have the message loop destruction | 107 // TODO(timsteele): Maybe we should have the message loop destruction |
104 // observer fire when the loop has ended, just a bit before it | 108 // observer fire when the loop has ended, just a bit before it |
105 // actually gets destroyed. | 109 // actually gets destroyed. |
106 return; | 110 return; |
107 } | 111 } |
108 work_->Run(); | 112 work_->Run(); |
109 | 113 |
110 // Sever ties with work_ to allow the sanity-checking above that we don't | 114 // Sever ties with work_ to allow the sanity-checking above that we don't |
111 // get run twice. | 115 // get run twice. |
112 work_ = NULL; | 116 work_ = NULL; |
113 | 117 |
114 // Notify the UIModelWorker that scheduled us that we have run | 118 // Notify the UIModelWorker that scheduled us that we have run |
115 // successfully. | 119 // successfully. |
116 scheduler_->OnTaskCompleted(); | 120 scheduler_->OnTaskCompleted(); |
117 work_done_->Signal(); // Unblock the syncer thread that scheduled us. | 121 work_done_->Signal(); // Unblock the syncer thread that scheduled us. |
118 } | 122 } |
119 | 123 |
120 } // namespace browser_sync | 124 } // namespace browser_sync |
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