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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "device/power_save_blocker/power_save_blocker.h" | 5 #include "device/power_save_blocker/power_save_blocker.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| (...skipping 97 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 108 | 108 |
| 109 PowerSaveBlockerType type_; | 109 PowerSaveBlockerType type_; |
| 110 const std::string description_; | 110 const std::string description_; |
| 111 base::win::ScopedHandle handle_; | 111 base::win::ScopedHandle handle_; |
| 112 scoped_refptr<base::SequencedTaskRunner> ui_task_runner_; | 112 scoped_refptr<base::SequencedTaskRunner> ui_task_runner_; |
| 113 | 113 |
| 114 DISALLOW_COPY_AND_ASSIGN(Delegate); | 114 DISALLOW_COPY_AND_ASSIGN(Delegate); |
| 115 }; | 115 }; |
| 116 | 116 |
| 117 void PowerSaveBlocker::Delegate::ApplyBlock() { | 117 void PowerSaveBlocker::Delegate::ApplyBlock() { |
| 118 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); | 118 DCHECK(ui_task_runner_->RunsTasksInCurrentSequence()); |
| 119 if (base::win::GetVersion() < base::win::VERSION_WIN7) | 119 if (base::win::GetVersion() < base::win::VERSION_WIN7) |
| 120 return ApplySimpleBlock(type_, 1); | 120 return ApplySimpleBlock(type_, 1); |
| 121 | 121 |
| 122 handle_.Set(CreatePowerRequest(RequestType(), description_)); | 122 handle_.Set(CreatePowerRequest(RequestType(), description_)); |
| 123 } | 123 } |
| 124 | 124 |
| 125 void PowerSaveBlocker::Delegate::RemoveBlock() { | 125 void PowerSaveBlocker::Delegate::RemoveBlock() { |
| 126 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); | 126 DCHECK(ui_task_runner_->RunsTasksInCurrentSequence()); |
| 127 if (base::win::GetVersion() < base::win::VERSION_WIN7) | 127 if (base::win::GetVersion() < base::win::VERSION_WIN7) |
| 128 return ApplySimpleBlock(type_, -1); | 128 return ApplySimpleBlock(type_, -1); |
| 129 | 129 |
| 130 DeletePowerRequest(RequestType(), handle_.Take()); | 130 DeletePowerRequest(RequestType(), handle_.Take()); |
| 131 } | 131 } |
| 132 | 132 |
| 133 POWER_REQUEST_TYPE PowerSaveBlocker::Delegate::RequestType() { | 133 POWER_REQUEST_TYPE PowerSaveBlocker::Delegate::RequestType() { |
| 134 if (type_ == kPowerSaveBlockPreventDisplaySleep) | 134 if (type_ == kPowerSaveBlockPreventDisplaySleep) |
| 135 return PowerRequestDisplayRequired; | 135 return PowerRequestDisplayRequired; |
| 136 | 136 |
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| 152 ui_task_runner_->PostTask(FROM_HERE, | 152 ui_task_runner_->PostTask(FROM_HERE, |
| 153 base::Bind(&Delegate::ApplyBlock, delegate_)); | 153 base::Bind(&Delegate::ApplyBlock, delegate_)); |
| 154 } | 154 } |
| 155 | 155 |
| 156 PowerSaveBlocker::~PowerSaveBlocker() { | 156 PowerSaveBlocker::~PowerSaveBlocker() { |
| 157 ui_task_runner_->PostTask(FROM_HERE, | 157 ui_task_runner_->PostTask(FROM_HERE, |
| 158 base::Bind(&Delegate::RemoveBlock, delegate_)); | 158 base::Bind(&Delegate::RemoveBlock, delegate_)); |
| 159 } | 159 } |
| 160 | 160 |
| 161 } // namespace device | 161 } // namespace device |
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