/src/mozilla-central/dom/battery/BatteryManager.h
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #ifndef mozilla_dom_battery_BatteryManager_h |
8 | | #define mozilla_dom_battery_BatteryManager_h |
9 | | |
10 | | #include "mozilla/DOMEventTargetHelper.h" |
11 | | #include "mozilla/HalBatteryInformation.h" |
12 | | #include "nsCycleCollectionParticipant.h" |
13 | | |
14 | | namespace mozilla { |
15 | | |
16 | | namespace hal { |
17 | | class BatteryInformation; |
18 | | } // namespace hal |
19 | | |
20 | | namespace dom { |
21 | | namespace battery { |
22 | | |
23 | | class BatteryManager : public DOMEventTargetHelper |
24 | | , public hal::BatteryObserver |
25 | | { |
26 | | public: |
27 | | explicit BatteryManager(nsPIDOMWindowInner* aWindow); |
28 | | |
29 | | void Init(); |
30 | | void Shutdown(); |
31 | | |
32 | | // For IObserver. |
33 | | void Notify(const hal::BatteryInformation& aBatteryInfo) override; |
34 | | |
35 | | /** |
36 | | * WebIDL Interface |
37 | | */ |
38 | | |
39 | | nsPIDOMWindowInner* GetParentObject() const |
40 | 0 | { |
41 | 0 | return GetOwner(); |
42 | 0 | } |
43 | | |
44 | | virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; |
45 | | |
46 | | bool Charging() const; |
47 | | |
48 | | double ChargingTime() const; |
49 | | |
50 | | double DischargingTime() const; |
51 | | |
52 | | double Level() const; |
53 | | |
54 | | IMPL_EVENT_HANDLER(chargingchange) |
55 | | IMPL_EVENT_HANDLER(chargingtimechange) |
56 | | IMPL_EVENT_HANDLER(dischargingtimechange) |
57 | | IMPL_EVENT_HANDLER(levelchange) |
58 | | |
59 | | private: |
60 | | /** |
61 | | * Update the battery information stored in the battery manager object using |
62 | | * a battery information object. |
63 | | */ |
64 | | void UpdateFromBatteryInfo(const hal::BatteryInformation& aBatteryInfo); |
65 | | |
66 | | /** |
67 | | * Represents the battery level, ranging from 0.0 (dead or removed?) |
68 | | * to 1.0 (fully charged) |
69 | | */ |
70 | | double mLevel; |
71 | | bool mCharging; |
72 | | /** |
73 | | * Represents the discharging time or the charging time, depending on the |
74 | | * current battery status (charging or not). |
75 | | */ |
76 | | double mRemainingTime; |
77 | | }; |
78 | | |
79 | | } // namespace battery |
80 | | } // namespace dom |
81 | | } // namespace mozilla |
82 | | |
83 | | #endif // mozilla_dom_battery_BatteryManager_h |