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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 "core/events/Event.h" | 9 #include "core/events/Event.h" |
10 #include "modules/battery/BatteryDispatcher.h" | |
10 #include "modules/battery/BatteryStatus.h" | 11 #include "modules/battery/BatteryStatus.h" |
11 #include <limits> | 12 #include <limits> |
12 | 13 |
13 namespace WebCore { | 14 namespace WebCore { |
14 | 15 |
15 PassRefPtrWillBeRawPtr<BatteryManager> BatteryManager::create(ExecutionContext* context) | 16 PassRefPtrWillBeRawPtr<BatteryManager> BatteryManager::create(ExecutionContext* context) |
16 { | 17 { |
17 return adoptRefWillBeRefCountedGarbageCollected(new BatteryManager(context)) ; | 18 RefPtrWillBeRawPtr<BatteryManager> batteryManager(adoptRefWillBeRefCountedGa rbageCollected(new BatteryManager(context))); |
19 batteryManager->suspendIfNeeded(); | |
20 return batteryManager.release(); | |
18 } | 21 } |
19 | 22 |
20 BatteryManager::~BatteryManager() | 23 BatteryManager::~BatteryManager() |
21 { | 24 { |
25 stopUpdating(); | |
22 } | 26 } |
23 | 27 |
24 BatteryManager::BatteryManager(ExecutionContext* context) | 28 BatteryManager::BatteryManager(ExecutionContext* context) |
25 : ContextLifecycleObserver(context) | 29 : ActiveDOMObject(context) |
26 , m_batteryStatus(nullptr) | 30 , DeviceSensorEventController(*toDocument(context)) |
27 { | 31 { |
32 // Need to figure out a way to startUpdating only afters EventListeners are added: didAddEventListener? | |
timvolodine
2014/04/14 17:51:57
remove this line, we actually need to start updati
| |
33 m_hasEventListener = true; | |
34 startUpdating(); | |
28 } | 35 } |
29 | 36 |
30 bool BatteryManager::charging() | 37 bool BatteryManager::charging() |
31 { | 38 { |
32 return m_batteryStatus ? m_batteryStatus->charging() : true; | 39 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD ata()) |
40 return lastData->charging(); | |
41 | |
42 return true; | |
33 } | 43 } |
34 | 44 |
35 double BatteryManager::chargingTime() | 45 double BatteryManager::chargingTime() |
36 { | 46 { |
37 if (!m_batteryStatus) | 47 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD ata()) |
38 return 0; | 48 return lastData->chargingTime(); |
39 | 49 |
40 if (!m_batteryStatus->charging()) | 50 return 0; |
41 return std::numeric_limits<double>::infinity(); | |
42 | |
43 // The spec requires that if level == 1.0, chargingTime == 0 but this has to | |
44 // be implement by the backend. Adding this assert will help enforcing it. | |
45 ASSERT(level() != 1.0 && m_batteryStatus->chargingTime() == 0.0); | |
46 | |
47 return m_batteryStatus->chargingTime(); | |
48 } | 51 } |
49 | 52 |
50 double BatteryManager::dischargingTime() | 53 double BatteryManager::dischargingTime() |
51 { | 54 { |
52 if (!m_batteryStatus || m_batteryStatus->charging()) | 55 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD ata()) |
53 return std::numeric_limits<double>::infinity(); | 56 return lastData->dischargingTime(); |
54 | 57 |
55 return m_batteryStatus->dischargingTime(); | 58 return std::numeric_limits<double>::infinity(); |
56 } | 59 } |
57 | 60 |
58 double BatteryManager::level() | 61 double BatteryManager::level() |
59 { | 62 { |
60 return m_batteryStatus ? m_batteryStatus->level() : 1; | 63 if (const BatteryStatus* lastData = BatteryDispatcher::instance().getLatestD ata()) |
64 return lastData->level(); | |
65 | |
66 return 1; | |
61 } | 67 } |
62 | 68 |
63 void BatteryManager::didChangeBatteryStatus(PassRefPtrWillBeRawPtr<Event> event, PassOwnPtr<BatteryStatus> batteryStatus) | 69 void BatteryManager::didChangeBatteryStatus(PassRefPtrWillBeRawPtr<Event> event) |
64 { | 70 { |
65 ASSERT(RuntimeEnabledFeatures::batteryStatusEnabled()); | 71 ASSERT(RuntimeEnabledFeatures::batteryStatusEnabled()); |
66 | 72 |
67 m_batteryStatus = batteryStatus; | |
68 dispatchEvent(event); | 73 dispatchEvent(event); |
69 } | 74 } |
70 | 75 |
76 void BatteryManager::registerWithDispatcher() | |
77 { | |
78 BatteryDispatcher::instance().addClient(this); | |
79 } | |
80 | |
81 void BatteryManager::unregisterWithDispatcher() | |
82 { | |
83 BatteryDispatcher::instance().removeClient(this); | |
84 } | |
85 | |
86 bool BatteryManager::hasLastData() | |
87 { | |
88 return false; | |
89 } | |
90 | |
91 PassRefPtrWillBeRawPtr<Event> BatteryManager::getLastEvent() | |
92 { | |
93 // We would fire events directly. | |
timvolodine
2014/04/14 17:51:57
could you add that this happens through BatteryMan
Srini
2014/04/14 19:53:11
Sure.
| |
94 return nullptr; | |
95 } | |
96 | |
97 bool BatteryManager::isNullEvent(Event*) | |
98 { | |
99 return false; | |
100 } | |
101 | |
102 void BatteryManager::suspend() | |
103 { | |
timvolodine
2014/04/14 17:51:57
how does this work with page visibility?
should th
Srini
2014/04/14 19:53:11
Yes, we should have it false here and true on resu
| |
104 stopUpdating(); | |
105 } | |
106 | |
107 void BatteryManager::resume() | |
108 { | |
109 startUpdating(); | |
110 } | |
111 | |
112 void BatteryManager::stop() | |
113 { | |
timvolodine
2014/04/14 17:51:57
is it possible to resume() after stop()? do we nee
| |
114 stopUpdating(); | |
115 } | |
116 | |
71 } // namespace WebCore | 117 } // namespace WebCore |
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