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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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/power_save_blocker.h" | 5 #include "chrome/browser/power_save_blocker.h" |
6 #include "chrome/browser/chrome_thread.h" | 6 #include "chrome/browser/chrome_thread.h" |
7 | 7 |
8 // Accessed only from the UI thread. | 8 // Accessed only from the UI thread. |
9 int PowerSaveBlocker::blocker_count_ = 0; | 9 int PowerSaveBlocker::blocker_count_ = 0; |
10 | 10 |
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28 void PowerSaveBlocker::Disable() { | 28 void PowerSaveBlocker::Disable() { |
29 if (!enabled_) | 29 if (!enabled_) |
30 return; | 30 return; |
31 | 31 |
32 enabled_ = false; | 32 enabled_ = false; |
33 PostAdjustBlockCount(-1); | 33 PostAdjustBlockCount(-1); |
34 } | 34 } |
35 | 35 |
36 | 36 |
37 void PowerSaveBlocker::PostAdjustBlockCount(int delta) { | 37 void PowerSaveBlocker::PostAdjustBlockCount(int delta) { |
38 MessageLoop *ml = ChromeThread::GetMessageLoop(ChromeThread::UI); | 38 ChromeThread::PostTask( |
39 | 39 ChromeThread::UI, FROM_HERE, |
40 ml->PostTask(FROM_HERE, | |
41 NewRunnableFunction(&PowerSaveBlocker::AdjustBlockCount, delta)); | 40 NewRunnableFunction(&PowerSaveBlocker::AdjustBlockCount, delta)); |
42 } | 41 } |
43 | 42 |
44 // Called only from UI thread. | 43 // Called only from UI thread. |
45 void PowerSaveBlocker::AdjustBlockCount(int delta) { | 44 void PowerSaveBlocker::AdjustBlockCount(int delta) { |
46 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | 45 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); |
47 | 46 |
48 bool was_blocking = (blocker_count_ != 0); | 47 bool was_blocking = (blocker_count_ != 0); |
49 | 48 |
50 blocker_count_ += delta; | 49 blocker_count_ += delta; |
51 | 50 |
52 bool is_blocking = (blocker_count_ != 0); | 51 bool is_blocking = (blocker_count_ != 0); |
53 | 52 |
54 DCHECK_GE(blocker_count_, 0); | 53 DCHECK_GE(blocker_count_, 0); |
55 | 54 |
56 if (is_blocking != was_blocking) | 55 if (is_blocking != was_blocking) |
57 ApplyBlock(is_blocking); | 56 ApplyBlock(is_blocking); |
58 } | 57 } |
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