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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "base/task_scheduler/task_traits.h" | 5 #include "base/task_scheduler/task_traits.h" |
6 | 6 |
| 7 #include <ostream> |
| 8 |
7 namespace base { | 9 namespace base { |
8 | 10 |
9 // Do not rely on defaults hard-coded below beyond the guarantees described in | 11 // Do not rely on defaults hard-coded below beyond the guarantees described in |
10 // the header; anything else is subject to change. Tasks should explicitly | 12 // the header; anything else is subject to change. Tasks should explicitly |
11 // request defaults if the behavior is critical to the task. | 13 // request defaults if the behavior is critical to the task. |
12 TaskTraits::TaskTraits() | 14 TaskTraits::TaskTraits() |
13 : with_file_io_(false), | 15 : with_file_io_(false), |
14 priority_(TaskPriority::BACKGROUND), | 16 priority_(TaskPriority::BACKGROUND), |
15 shutdown_behavior_(TaskShutdownBehavior::BLOCK_SHUTDOWN) {} | 17 shutdown_behavior_(TaskShutdownBehavior::BLOCK_SHUTDOWN) {} |
16 | 18 |
17 TaskTraits::~TaskTraits() = default; | 19 TaskTraits::~TaskTraits() = default; |
18 | 20 |
19 TaskTraits& TaskTraits::WithFileIO() { | 21 TaskTraits& TaskTraits::WithFileIO() { |
20 with_file_io_ = true; | 22 with_file_io_ = true; |
21 return *this; | 23 return *this; |
22 } | 24 } |
23 | 25 |
24 TaskTraits& TaskTraits::WithPriority(TaskPriority priority) { | 26 TaskTraits& TaskTraits::WithPriority(TaskPriority priority) { |
25 priority_ = priority; | 27 priority_ = priority; |
26 return *this; | 28 return *this; |
27 } | 29 } |
28 | 30 |
29 TaskTraits& TaskTraits::WithShutdownBehavior( | 31 TaskTraits& TaskTraits::WithShutdownBehavior( |
30 TaskShutdownBehavior shutdown_behavior) { | 32 TaskShutdownBehavior shutdown_behavior) { |
31 shutdown_behavior_ = shutdown_behavior; | 33 shutdown_behavior_ = shutdown_behavior; |
32 return *this; | 34 return *this; |
33 } | 35 } |
34 | 36 |
| 37 void PrintTo(const TaskPriority& task_priority, std::ostream* os) { |
| 38 switch (task_priority) { |
| 39 case TaskPriority::BACKGROUND: |
| 40 *os << "BACKGROUND"; |
| 41 break; |
| 42 case TaskPriority::USER_VISIBLE: |
| 43 *os << "USER_VISIBLE"; |
| 44 break; |
| 45 case TaskPriority::USER_BLOCKING: |
| 46 *os << "USER_BLOCKING"; |
| 47 break; |
| 48 } |
| 49 } |
| 50 |
35 } // namespace base | 51 } // namespace base |
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