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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_impl.h" | 5 #include "device/power_save_blocker/power_save_blocker.h" |
6 | 6 |
7 #include <IOKit/pwr_mgt/IOPMLib.h> | 7 #include <IOKit/pwr_mgt/IOPMLib.h> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
11 #include "base/mac/scoped_cftyperef.h" | 11 #include "base/mac/scoped_cftyperef.h" |
12 #include "base/strings/sys_string_conversions.h" | 12 #include "base/strings/sys_string_conversions.h" |
13 #include "base/threading/platform_thread.h" | 13 #include "base/threading/platform_thread.h" |
14 #include "base/threading/thread.h" | 14 #include "base/threading/thread.h" |
15 | 15 |
(...skipping 16 matching lines...) Expand all Loading... |
32 thread->Start(); | 32 thread->Start(); |
33 return thread; | 33 return thread; |
34 } | 34 } |
35 static void Delete(base::Thread* instance) {} | 35 static void Delete(base::Thread* instance) {} |
36 }; | 36 }; |
37 base::LazyInstance<base::Thread, PowerSaveBlockerLazyInstanceTraits> | 37 base::LazyInstance<base::Thread, PowerSaveBlockerLazyInstanceTraits> |
38 g_power_thread = LAZY_INSTANCE_INITIALIZER; | 38 g_power_thread = LAZY_INSTANCE_INITIALIZER; |
39 | 39 |
40 } // namespace | 40 } // namespace |
41 | 41 |
42 class PowerSaveBlockerImpl::Delegate | 42 class PowerSaveBlocker::Delegate |
43 : public base::RefCountedThreadSafe<PowerSaveBlockerImpl::Delegate> { | 43 : public base::RefCountedThreadSafe<PowerSaveBlocker::Delegate> { |
44 public: | 44 public: |
45 Delegate(PowerSaveBlockerType type, const std::string& description) | 45 Delegate(PowerSaveBlockerType type, const std::string& description) |
46 : type_(type), | 46 : type_(type), |
47 description_(description), | 47 description_(description), |
48 assertion_(kIOPMNullAssertionID) {} | 48 assertion_(kIOPMNullAssertionID) {} |
49 | 49 |
50 // Does the actual work to apply or remove the desired power save block. | 50 // Does the actual work to apply or remove the desired power save block. |
51 void ApplyBlock(); | 51 void ApplyBlock(); |
52 void RemoveBlock(); | 52 void RemoveBlock(); |
53 | 53 |
54 private: | 54 private: |
55 friend class base::RefCountedThreadSafe<Delegate>; | 55 friend class base::RefCountedThreadSafe<Delegate>; |
56 ~Delegate() {} | 56 ~Delegate() {} |
57 PowerSaveBlockerType type_; | 57 PowerSaveBlockerType type_; |
58 std::string description_; | 58 std::string description_; |
59 IOPMAssertionID assertion_; | 59 IOPMAssertionID assertion_; |
60 }; | 60 }; |
61 | 61 |
62 void PowerSaveBlockerImpl::Delegate::ApplyBlock() { | 62 void PowerSaveBlocker::Delegate::ApplyBlock() { |
63 DCHECK_EQ(base::PlatformThread::CurrentId(), | 63 DCHECK_EQ(base::PlatformThread::CurrentId(), |
64 g_power_thread.Pointer()->GetThreadId()); | 64 g_power_thread.Pointer()->GetThreadId()); |
65 | 65 |
66 CFStringRef level = NULL; | 66 CFStringRef level = NULL; |
67 // See QA1340 <http://developer.apple.com/library/mac/#qa/qa1340/> for more | 67 // See QA1340 <http://developer.apple.com/library/mac/#qa/qa1340/> for more |
68 // details. | 68 // details. |
69 switch (type_) { | 69 switch (type_) { |
70 case PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension: | 70 case PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension: |
71 level = kIOPMAssertionTypeNoIdleSleep; | 71 level = kIOPMAssertionTypeNoIdleSleep; |
72 break; | 72 break; |
73 case PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep: | 73 case PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep: |
74 level = kIOPMAssertionTypeNoDisplaySleep; | 74 level = kIOPMAssertionTypeNoDisplaySleep; |
75 break; | 75 break; |
76 default: | 76 default: |
77 NOTREACHED(); | 77 NOTREACHED(); |
78 break; | 78 break; |
79 } | 79 } |
80 if (level) { | 80 if (level) { |
81 base::ScopedCFTypeRef<CFStringRef> cf_description( | 81 base::ScopedCFTypeRef<CFStringRef> cf_description( |
82 base::SysUTF8ToCFStringRef(description_)); | 82 base::SysUTF8ToCFStringRef(description_)); |
83 IOReturn result = IOPMAssertionCreateWithName(level, kIOPMAssertionLevelOn, | 83 IOReturn result = IOPMAssertionCreateWithName(level, kIOPMAssertionLevelOn, |
84 cf_description, &assertion_); | 84 cf_description, &assertion_); |
85 LOG_IF(ERROR, result != kIOReturnSuccess) << "IOPMAssertionCreate: " | 85 LOG_IF(ERROR, result != kIOReturnSuccess) << "IOPMAssertionCreate: " |
86 << result; | 86 << result; |
87 } | 87 } |
88 } | 88 } |
89 | 89 |
90 void PowerSaveBlockerImpl::Delegate::RemoveBlock() { | 90 void PowerSaveBlocker::Delegate::RemoveBlock() { |
91 DCHECK_EQ(base::PlatformThread::CurrentId(), | 91 DCHECK_EQ(base::PlatformThread::CurrentId(), |
92 g_power_thread.Pointer()->GetThreadId()); | 92 g_power_thread.Pointer()->GetThreadId()); |
93 | 93 |
94 if (assertion_ != kIOPMNullAssertionID) { | 94 if (assertion_ != kIOPMNullAssertionID) { |
95 IOReturn result = IOPMAssertionRelease(assertion_); | 95 IOReturn result = IOPMAssertionRelease(assertion_); |
96 LOG_IF(ERROR, result != kIOReturnSuccess) << "IOPMAssertionRelease: " | 96 LOG_IF(ERROR, result != kIOReturnSuccess) << "IOPMAssertionRelease: " |
97 << result; | 97 << result; |
98 } | 98 } |
99 } | 99 } |
100 | 100 |
101 PowerSaveBlockerImpl::PowerSaveBlockerImpl( | 101 PowerSaveBlocker::PowerSaveBlocker( |
102 PowerSaveBlockerType type, | 102 PowerSaveBlockerType type, |
103 Reason reason, | 103 Reason reason, |
104 const std::string& description, | 104 const std::string& description, |
105 scoped_refptr<base::SequencedTaskRunner> ui_task_runner, | 105 scoped_refptr<base::SequencedTaskRunner> ui_task_runner, |
106 scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner) | 106 scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner) |
107 : delegate_(new Delegate(type, description)), | 107 : delegate_(new Delegate(type, description)), |
108 ui_task_runner_(ui_task_runner), | 108 ui_task_runner_(ui_task_runner), |
109 blocking_task_runner_(blocking_task_runner) { | 109 blocking_task_runner_(blocking_task_runner) { |
110 g_power_thread.Pointer()->message_loop()->PostTask( | 110 g_power_thread.Pointer()->message_loop()->PostTask( |
111 FROM_HERE, base::Bind(&Delegate::ApplyBlock, delegate_)); | 111 FROM_HERE, base::Bind(&Delegate::ApplyBlock, delegate_)); |
112 } | 112 } |
113 | 113 |
114 PowerSaveBlockerImpl::~PowerSaveBlockerImpl() { | 114 PowerSaveBlocker::~PowerSaveBlocker() { |
115 g_power_thread.Pointer()->message_loop()->PostTask( | 115 g_power_thread.Pointer()->message_loop()->PostTask( |
116 FROM_HERE, base::Bind(&Delegate::RemoveBlock, delegate_)); | 116 FROM_HERE, base::Bind(&Delegate::RemoveBlock, delegate_)); |
117 } | 117 } |
118 | 118 |
119 } // namespace device | 119 } // namespace device |
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