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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> |
11 | 12 |
12 namespace WebCore { | 13 namespace WebCore { |
13 | 14 |
14 PassRefPtrWillBeRawPtr<BatteryManager> BatteryManager::create(ExecutionContext*
context) | 15 PassRefPtrWillBeRawPtr<BatteryManager> BatteryManager::create(ExecutionContext*
context) |
15 { | 16 { |
16 RefPtrWillBeRawPtr<BatteryManager> batteryManager(adoptRefWillBeRefCountedGa
rbageCollected(new BatteryManager(context))); | 17 RefPtrWillBeRawPtr<BatteryManager> batteryManager(adoptRefWillBeRefCountedGa
rbageCollected(new BatteryManager(context))); |
17 batteryManager->suspendIfNeeded(); | 18 batteryManager->suspendIfNeeded(); |
18 return batteryManager.release(); | 19 return batteryManager.release(); |
19 } | 20 } |
20 | 21 |
21 BatteryManager::~BatteryManager() | 22 BatteryManager::~BatteryManager() |
22 { | 23 { |
23 } | 24 } |
24 | 25 |
25 BatteryManager::BatteryManager(ExecutionContext* context) | 26 BatteryManager::BatteryManager(ExecutionContext* context) |
26 : ActiveDOMObject(context) | 27 : ActiveDOMObject(context) |
27 , DeviceEventControllerBase(toDocument(context)->page()) | 28 , DeviceSensorEventController(toDocument(context)->page()) |
28 , m_batteryStatus(BatteryStatus::create()) | |
29 { | 29 { |
30 m_hasEventListener = true; | 30 m_hasEventListener = true; |
31 startUpdating(); | 31 startUpdating(); |
32 } | 32 } |
33 | 33 |
34 bool BatteryManager::charging() | 34 bool BatteryManager::charging() |
35 { | 35 { |
36 return m_batteryStatus->charging(); | 36 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) |
| 37 return lastData->charging(); |
| 38 |
| 39 return true; |
37 } | 40 } |
38 | 41 |
39 double BatteryManager::chargingTime() | 42 double BatteryManager::chargingTime() |
40 { | 43 { |
41 return m_batteryStatus->chargingTime(); | 44 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) |
| 45 return lastData->chargingTime(); |
| 46 |
| 47 return 0; |
42 } | 48 } |
43 | 49 |
44 double BatteryManager::dischargingTime() | 50 double BatteryManager::dischargingTime() |
45 { | 51 { |
46 return m_batteryStatus->dischargingTime(); | 52 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) |
| 53 return lastData->dischargingTime(); |
| 54 |
| 55 return std::numeric_limits<double>::infinity(); |
47 } | 56 } |
48 | 57 |
49 double BatteryManager::level() | 58 double BatteryManager::level() |
50 { | 59 { |
51 return m_batteryStatus->level(); | 60 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD
ata()) |
| 61 return lastData->level(); |
| 62 |
| 63 return 1; |
52 } | 64 } |
53 | 65 |
54 void BatteryManager::didUpdateData() | 66 void BatteryManager::didChangeBatteryStatus(PassRefPtrWillBeRawPtr<Event> event) |
55 { | 67 { |
56 ASSERT(RuntimeEnabledFeatures::batteryStatusEnabled()); | 68 ASSERT(RuntimeEnabledFeatures::batteryStatusEnabled()); |
57 | 69 |
58 RefPtr<BatteryStatus> oldStatus = m_batteryStatus; | 70 dispatchEvent(event); |
59 m_batteryStatus = BatteryDispatcher::instance().latestData(); | |
60 | |
61 // BatteryDispatcher also holds a reference to m_batteryStatus. | |
62 ASSERT(m_batteryStatus->refCount() == 2); | |
63 | |
64 Document* document = toDocument(executionContext()); | |
65 if (document->activeDOMObjectsAreSuspended() || document->activeDOMObjectsAr
eStopped()) | |
66 return; | |
67 | |
68 ASSERT(oldStatus); | |
69 | |
70 if (m_batteryStatus->charging() != oldStatus->charging()) | |
71 dispatchEvent(Event::create(EventTypeNames::chargingchange)); | |
72 if (m_batteryStatus->chargingTime() != oldStatus->chargingTime()) | |
73 dispatchEvent(Event::create(EventTypeNames::chargingtimechange)); | |
74 if (m_batteryStatus->dischargingTime() != oldStatus->dischargingTime()) | |
75 dispatchEvent(Event::create(EventTypeNames::dischargingtimechange)); | |
76 if (m_batteryStatus->level() != oldStatus->level()) | |
77 dispatchEvent(Event::create(EventTypeNames::levelchange)); | |
78 } | 71 } |
79 | 72 |
80 void BatteryManager::registerWithDispatcher() | 73 void BatteryManager::registerWithDispatcher() |
81 { | 74 { |
82 BatteryDispatcher::instance().addController(this); | 75 BatteryDispatcher::instance().addClient(this); |
83 } | 76 } |
84 | 77 |
85 void BatteryManager::unregisterWithDispatcher() | 78 void BatteryManager::unregisterWithDispatcher() |
86 { | 79 { |
87 BatteryDispatcher::instance().removeController(this); | 80 BatteryDispatcher::instance().removeClient(this); |
88 } | 81 } |
89 | 82 |
90 bool BatteryManager::hasLastData() | 83 bool BatteryManager::hasLastData() |
91 { | 84 { |
92 return BatteryDispatcher::instance().latestData(); | 85 return false; |
| 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()); |
93 } | 102 } |
94 | 103 |
95 void BatteryManager::suspend() | 104 void BatteryManager::suspend() |
96 { | 105 { |
97 m_hasEventListener = false; | 106 m_hasEventListener = false; |
98 stopUpdating(); | 107 stopUpdating(); |
99 } | 108 } |
100 | 109 |
101 void BatteryManager::resume() | 110 void BatteryManager::resume() |
102 { | 111 { |
103 m_hasEventListener = true; | 112 m_hasEventListener = true; |
104 startUpdating(); | 113 startUpdating(); |
105 } | 114 } |
106 | 115 |
107 void BatteryManager::stop() | 116 void BatteryManager::stop() |
108 { | 117 { |
109 m_hasEventListener = false; | 118 m_hasEventListener = false; |
110 stopUpdating(); | 119 stopUpdating(); |
111 } | 120 } |
112 | 121 |
113 } // namespace WebCore | 122 } // namespace WebCore |
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