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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "content/browser/power_save_blocker.h" | 5 #include "content/browser/power_save_blocker.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "content/browser/browser_thread.h" | 8 #include "content/public/browser/browser_thread.h" |
| 9 | 9 |
| 10 // Accessed only from the UI thread. | 10 // Accessed only from the UI thread. |
| 11 int PowerSaveBlocker::blocker_count_[kPowerSaveBlockPreventStateCount]; | 11 int PowerSaveBlocker::blocker_count_[kPowerSaveBlockPreventStateCount]; |
| 12 | 12 |
| 13 PowerSaveBlocker::PowerSaveBlocker(PowerSaveBlockerType type) : type_(type) { | 13 PowerSaveBlocker::PowerSaveBlocker(PowerSaveBlockerType type) : type_(type) { |
| 14 DCHECK_LT(kPowerSaveBlockPreventNone, type); | 14 DCHECK_LT(kPowerSaveBlockPreventNone, type); |
| 15 DCHECK_GT(kPowerSaveBlockPreventStateCount, type); | 15 DCHECK_GT(kPowerSaveBlockPreventStateCount, type); |
| 16 std::vector<int> change(kPowerSaveBlockPreventStateCount); | 16 std::vector<int> change(kPowerSaveBlockPreventStateCount); |
| 17 ++change[type_]; | 17 ++change[type_]; |
| 18 PostAdjustBlockCount(change); | 18 PostAdjustBlockCount(change); |
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| 53 | 53 |
| 54 for (PowerSaveBlockerType t = kPowerSaveBlockPreventDisplaySleep; | 54 for (PowerSaveBlockerType t = kPowerSaveBlockPreventDisplaySleep; |
| 55 t >= kPowerSaveBlockPreventSystemSleep; | 55 t >= kPowerSaveBlockPreventSystemSleep; |
| 56 t = static_cast<PowerSaveBlockerType>(t - 1)) { | 56 t = static_cast<PowerSaveBlockerType>(t - 1)) { |
| 57 if (blocker_count_[t]) | 57 if (blocker_count_[t]) |
| 58 return t; | 58 return t; |
| 59 } | 59 } |
| 60 | 60 |
| 61 return kPowerSaveBlockPreventNone; | 61 return kPowerSaveBlockPreventNone; |
| 62 } | 62 } |
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