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1 /* | |
2 * Copyright (C) 2012 Samsung Electronics | |
3 * | |
4 * This library is free software; you can redistribute it and/or | |
5 * modify it under the terms of the GNU Library General Public | |
6 * License as published by the Free Software Foundation; either | |
7 * version 2 of the License, or (at your option) any later version. | |
8 * | |
9 * This library is distributed in the hope that it will be useful, | |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 * Library General Public License for more details. | |
13 * | |
14 * You should have received a copy of the GNU Library General Public License | |
15 * along with this library; see the file COPYING.LIB. If not, write to | |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
17 * Boston, MA 02110-1301, USA. | |
18 */ | |
19 | |
20 #include "config.h" | |
21 #include "modules/battery/BatteryManager.h" | |
22 | |
23 #if ENABLE(BATTERY_STATUS) | |
24 | |
25 #include "core/dom/Document.h" | |
26 #include "core/dom/Event.h" | |
27 #include "core/page/Frame.h" | |
28 #include "core/page/Navigator.h" | |
29 #include "modules/battery/BatteryController.h" | |
30 #include "modules/battery/BatteryStatus.h" | |
31 #include <limits> | |
32 | |
33 namespace WebCore { | |
34 | |
35 PassRefPtr<BatteryManager> BatteryManager::create(Navigator* navigator) | |
36 { | |
37 RefPtr<BatteryManager> batteryManager(adoptRef(new BatteryManager(navigator)
)); | |
38 batteryManager->suspendIfNeeded(); | |
39 return batteryManager.release(); | |
40 } | |
41 | |
42 BatteryManager::~BatteryManager() | |
43 { | |
44 } | |
45 | |
46 BatteryManager::BatteryManager(Navigator* navigator) | |
47 : ActiveDOMObject(navigator->frame()->document()) | |
48 , m_batteryController(BatteryController::from(navigator->frame()->page())) | |
49 , m_batteryStatus(0) | |
50 { | |
51 m_batteryController->addListener(this); | |
52 } | |
53 | |
54 bool BatteryManager::charging() | |
55 { | |
56 return m_batteryStatus ? m_batteryStatus->charging() : true; | |
57 } | |
58 | |
59 double BatteryManager::chargingTime() | |
60 { | |
61 if (!m_batteryStatus || !m_batteryStatus->charging()) | |
62 return std::numeric_limits<double>::infinity(); | |
63 | |
64 return m_batteryStatus->chargingTime(); | |
65 } | |
66 | |
67 double BatteryManager::dischargingTime() | |
68 { | |
69 if (!m_batteryStatus || m_batteryStatus->charging()) | |
70 return std::numeric_limits<double>::infinity(); | |
71 | |
72 return m_batteryStatus->dischargingTime(); | |
73 } | |
74 | |
75 double BatteryManager::level() | |
76 { | |
77 return m_batteryStatus ? m_batteryStatus->level() : 1; | |
78 } | |
79 | |
80 void BatteryManager::didChangeBatteryStatus(PassRefPtr<Event> event, PassRefPtr<
BatteryStatus> batteryStatus) | |
81 { | |
82 m_batteryStatus = batteryStatus; | |
83 dispatchEvent(event); | |
84 } | |
85 | |
86 void BatteryManager::suspend(ReasonForSuspension) | |
87 { | |
88 if (m_batteryController) | |
89 m_batteryController->removeListener(this); | |
90 } | |
91 | |
92 void BatteryManager::resume() | |
93 { | |
94 if (m_batteryController) | |
95 m_batteryController->addListener(this); | |
96 } | |
97 | |
98 void BatteryManager::stop() | |
99 { | |
100 if (m_batteryController) | |
101 m_batteryController->removeListener(this); | |
102 } | |
103 | |
104 } // namespace WebCore | |
105 | |
106 #endif // BATTERY_STATUS | |
107 | |
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