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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "config.h" | 5 #include "config.h" |
6 #include "modules/battery/BatteryManager.h" | 6 #include "modules/battery/BatteryManager.h" |
7 | 7 |
8 #include "RuntimeEnabledFeatures.h" | 8 #include "RuntimeEnabledFeatures.h" |
9 #include "modules/battery/BatteryDispatcher.h" | 9 #include "modules/battery/BatteryDispatcher.h" |
10 #include "modules/battery/BatteryStatus.h" | 10 #include "modules/battery/BatteryStatus.h" |
11 #include <limits> | |
12 | 11 |
13 namespace WebCore { | 12 namespace WebCore { |
14 | 13 |
15 PassRefPtrWillBeRawPtr<BatteryManager> BatteryManager::create(ExecutionContext*
context) | 14 PassRefPtrWillBeRawPtr<BatteryManager> BatteryManager::create(ExecutionContext*
context) |
16 { | 15 { |
17 RefPtrWillBeRawPtr<BatteryManager> batteryManager(adoptRefWillBeRefCountedGa
rbageCollected(new BatteryManager(context))); | 16 RefPtrWillBeRawPtr<BatteryManager> batteryManager(adoptRefWillBeRefCountedGa
rbageCollected(new BatteryManager(context))); |
18 batteryManager->suspendIfNeeded(); | 17 batteryManager->suspendIfNeeded(); |
19 return batteryManager.release(); | 18 return batteryManager.release(); |
20 } | 19 } |
21 | 20 |
22 BatteryManager::~BatteryManager() | 21 BatteryManager::~BatteryManager() |
23 { | 22 { |
| 23 stopUpdating(); |
24 } | 24 } |
25 | 25 |
26 BatteryManager::BatteryManager(ExecutionContext* context) | 26 BatteryManager::BatteryManager(ExecutionContext* context) |
27 : ActiveDOMObject(context) | 27 : ActiveDOMObject(context) |
28 , DeviceSensorEventController(toDocument(context)->page()) | 28 , DeviceEventControllerBase(toDocument(context)->page()) |
| 29 , m_batteryStatus(BatteryStatus::create()) |
29 { | 30 { |
30 m_hasEventListener = true; | 31 m_hasEventListener = true; |
31 startUpdating(); | 32 startUpdating(); |
32 } | 33 } |
33 | 34 |
34 bool BatteryManager::charging() | 35 bool BatteryManager::charging() |
35 { | 36 { |
36 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) | 37 return m_batteryStatus->charging(); |
37 return lastData->charging(); | |
38 | |
39 return true; | |
40 } | 38 } |
41 | 39 |
42 double BatteryManager::chargingTime() | 40 double BatteryManager::chargingTime() |
43 { | 41 { |
44 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) | 42 return m_batteryStatus->chargingTime(); |
45 return lastData->chargingTime(); | |
46 | |
47 return 0; | |
48 } | 43 } |
49 | 44 |
50 double BatteryManager::dischargingTime() | 45 double BatteryManager::dischargingTime() |
51 { | 46 { |
52 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) | 47 return m_batteryStatus->dischargingTime(); |
53 return lastData->dischargingTime(); | |
54 | |
55 return std::numeric_limits<double>::infinity(); | |
56 } | 48 } |
57 | 49 |
58 double BatteryManager::level() | 50 double BatteryManager::level() |
59 { | 51 { |
60 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) | 52 return m_batteryStatus->level(); |
61 return lastData->level(); | |
62 | |
63 return 1; | |
64 } | 53 } |
65 | 54 |
66 void BatteryManager::didChangeBatteryStatus(PassRefPtrWillBeRawPtr<Event> event) | 55 void BatteryManager::didUpdateData() |
67 { | 56 { |
68 ASSERT(RuntimeEnabledFeatures::batteryStatusEnabled()); | 57 ASSERT(RuntimeEnabledFeatures::batteryStatusEnabled()); |
69 | 58 |
70 dispatchEvent(event); | 59 RefPtr<BatteryStatus> oldStatus = m_batteryStatus; |
| 60 m_batteryStatus = BatteryDispatcher::instance().latestData(); |
| 61 |
| 62 // BatteryDispatcher also holds a reference to m_batteryStatus. |
| 63 ASSERT(m_batteryStatus->refCount() > 1); |
| 64 |
| 65 Document* document = toDocument(executionContext()); |
| 66 if (document->activeDOMObjectsAreSuspended() || document->activeDOMObjectsAr
eStopped()) |
| 67 return; |
| 68 |
| 69 ASSERT(oldStatus); |
| 70 |
| 71 if (m_batteryStatus->charging() != oldStatus->charging()) |
| 72 dispatchEvent(Event::create(EventTypeNames::chargingchange)); |
| 73 if (m_batteryStatus->chargingTime() != oldStatus->chargingTime()) |
| 74 dispatchEvent(Event::create(EventTypeNames::chargingtimechange)); |
| 75 if (m_batteryStatus->dischargingTime() != oldStatus->dischargingTime()) |
| 76 dispatchEvent(Event::create(EventTypeNames::dischargingtimechange)); |
| 77 if (m_batteryStatus->level() != oldStatus->level()) |
| 78 dispatchEvent(Event::create(EventTypeNames::levelchange)); |
71 } | 79 } |
72 | 80 |
73 void BatteryManager::registerWithDispatcher() | 81 void BatteryManager::registerWithDispatcher() |
74 { | 82 { |
75 BatteryDispatcher::instance().addClient(this); | 83 BatteryDispatcher::instance().addController(this); |
76 } | 84 } |
77 | 85 |
78 void BatteryManager::unregisterWithDispatcher() | 86 void BatteryManager::unregisterWithDispatcher() |
79 { | 87 { |
80 BatteryDispatcher::instance().removeClient(this); | 88 BatteryDispatcher::instance().removeController(this); |
81 } | 89 } |
82 | 90 |
83 bool BatteryManager::hasLastData() | 91 bool BatteryManager::hasLastData() |
84 { | 92 { |
85 return false; | 93 return BatteryDispatcher::instance().latestData(); |
86 } | |
87 | |
88 PassRefPtrWillBeRawPtr<Event> BatteryManager::getLastEvent() | |
89 { | |
90 // Events are dispached via BatteryManager::didChangeBatteryStatus() | |
91 return nullptr; | |
92 } | |
93 | |
94 bool BatteryManager::isNullEvent(Event*) | |
95 { | |
96 return false; | |
97 } | |
98 | |
99 Document* BatteryManager::document() | |
100 { | |
101 return toDocument(executionContext()); | |
102 } | 94 } |
103 | 95 |
104 void BatteryManager::suspend() | 96 void BatteryManager::suspend() |
105 { | 97 { |
106 m_hasEventListener = false; | 98 m_hasEventListener = false; |
107 stopUpdating(); | 99 stopUpdating(); |
108 } | 100 } |
109 | 101 |
110 void BatteryManager::resume() | 102 void BatteryManager::resume() |
111 { | 103 { |
112 m_hasEventListener = true; | 104 m_hasEventListener = true; |
113 startUpdating(); | 105 startUpdating(); |
114 } | 106 } |
115 | 107 |
116 void BatteryManager::stop() | 108 void BatteryManager::stop() |
117 { | 109 { |
118 m_hasEventListener = false; | 110 m_hasEventListener = false; |
119 stopUpdating(); | 111 stopUpdating(); |
120 } | 112 } |
121 | 113 |
122 } // namespace WebCore | 114 } // namespace WebCore |
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