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Side by Side Diff: content/browser/power_save_blocker_mac.cc

Issue 11340029: Move remaining files in content\browser to the content namespace. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 8 years, 1 month ago
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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 "content/browser/power_save_blocker.h" 5 #include "content/browser/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/sys_string_conversions.h" 12 #include "base/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 #include "content/public/browser/browser_thread.h" 15 #include "content/public/browser/browser_thread.h"
16 16
17 namespace content {
17 namespace { 18 namespace {
18 19
19 // Power management cannot be done on the UI thread. IOPMAssertionCreate does a 20 // Power management cannot be done on the UI thread. IOPMAssertionCreate does a
20 // synchronous MIG call to configd, so if it is called on the main thread the UI 21 // synchronous MIG call to configd, so if it is called on the main thread the UI
21 // is at the mercy of another process. See http://crbug.com/79559 and 22 // is at the mercy of another process. See http://crbug.com/79559 and
22 // http://www.opensource.apple.com/source/IOKitUser/IOKitUser-514.16.31/pwr_mgt. subproj/IOPMLibPrivate.c . 23 // http://www.opensource.apple.com/source/IOKitUser/IOKitUser-514.16.31/pwr_mgt. subproj/IOPMLibPrivate.c .
23 struct PowerSaveBlockerLazyInstanceTraits { 24 struct PowerSaveBlockerLazyInstanceTraits {
24 static const bool kRegisterOnExit = false; 25 static const bool kRegisterOnExit = false;
25 static const bool kAllowedToAccessOnNonjoinableThread = true; 26 static const bool kAllowedToAccessOnNonjoinableThread = true;
26 27
27 static base::Thread* New(void* instance) { 28 static base::Thread* New(void* instance) {
28 base::Thread* thread = new (instance) base::Thread("PowerSaveBlocker"); 29 base::Thread* thread = new (instance) base::Thread("PowerSaveBlocker");
29 thread->Start(); 30 thread->Start();
30 return thread; 31 return thread;
31 } 32 }
32 static void Delete(base::Thread* instance) { } 33 static void Delete(base::Thread* instance) { }
33 }; 34 };
34 base::LazyInstance<base::Thread, PowerSaveBlockerLazyInstanceTraits> 35 base::LazyInstance<base::Thread, PowerSaveBlockerLazyInstanceTraits>
35 g_power_thread = LAZY_INSTANCE_INITIALIZER; 36 g_power_thread = LAZY_INSTANCE_INITIALIZER;
36 37
37 } // namespace 38 } // namespace
38 39
39 namespace content {
40
41 class PowerSaveBlocker::Delegate 40 class PowerSaveBlocker::Delegate
42 : public base::RefCountedThreadSafe<PowerSaveBlocker::Delegate> { 41 : public base::RefCountedThreadSafe<PowerSaveBlocker::Delegate> {
43 public: 42 public:
44 Delegate(PowerSaveBlockerType type, const std::string& reason) 43 Delegate(PowerSaveBlockerType type, const std::string& reason)
45 : type_(type), reason_(reason), assertion_(kIOPMNullAssertionID) {} 44 : type_(type), reason_(reason), assertion_(kIOPMNullAssertionID) {}
46 45
47 // Does the actual work to apply or remove the desired power save block. 46 // Does the actual work to apply or remove the desired power save block.
48 void ApplyBlock(); 47 void ApplyBlock();
49 void RemoveBlock(); 48 void RemoveBlock();
50 49
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105 base::Bind(&Delegate::ApplyBlock, delegate_)); 104 base::Bind(&Delegate::ApplyBlock, delegate_));
106 } 105 }
107 106
108 PowerSaveBlocker::~PowerSaveBlocker() { 107 PowerSaveBlocker::~PowerSaveBlocker() {
109 g_power_thread.Pointer()->message_loop()->PostTask( 108 g_power_thread.Pointer()->message_loop()->PostTask(
110 FROM_HERE, 109 FROM_HERE,
111 base::Bind(&Delegate::RemoveBlock, delegate_)); 110 base::Bind(&Delegate::RemoveBlock, delegate_));
112 } 111 }
113 112
114 } // namespace content 113 } // namespace content
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