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118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mounir Lamouri <mounir.lamouri@mozilla.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_dom_battery_BatteryManager_h
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#define mozilla_dom_battery_BatteryManager_h
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#include "nsIDOMBatteryManager.h"
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#include "nsDOMEventTargetWrapperCache.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/Observer.h"
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#include "Types.h"
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class nsPIDOMWindow;
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class nsIScriptContext;
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namespace mozilla {
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namespace hal {
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class BatteryInformation;
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} // namespace hal
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namespace dom {
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namespace battery {
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class BatteryManager : public nsDOMEventTargetWrapperCache
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, public nsIDOMMozBatteryManager
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, public BatteryObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMMOZBATTERYMANAGER
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NS_FORWARD_NSIDOMEVENTTARGET(nsDOMEventTargetWrapperCache::)
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BatteryManager();
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virtual ~BatteryManager();
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void Init(nsPIDOMWindow *aWindow, nsIScriptContext* aScriptContext);
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void Shutdown();
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// For IObserver.
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void Notify(const hal::BatteryInformation& aBatteryInfo);
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BatteryManager,
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nsDOMEventTargetWrapperCache)
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/**
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* Returns whether the battery api is supported (ie. not disabled by the user)
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* @return whether the battery api is supported.
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*/
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static bool HasSupport();
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private:
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/**
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* Dispatch a trusted non-cancellable and non-bubbling event to itself.
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*/
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nsresult DispatchTrustedEventToSelf(const nsAString& aEventName);
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/**
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* Update the battery information stored in the battery manager object using
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* a battery information object.
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*/
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void UpdateFromBatteryInfo(const hal::BatteryInformation& aBatteryInfo);
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double mLevel;
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bool mCharging;
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/**
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* Represents the discharging time or the charging time, dpending on the
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* current battery status (charging or not).
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*/
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double mRemainingTime;
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NS_DECL_EVENT_HANDLER(levelchange)
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NS_DECL_EVENT_HANDLER(chargingchange)
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NS_DECL_EVENT_HANDLER(chargingtimechange)
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NS_DECL_EVENT_HANDLER(dischargingtimechange)
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};
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} // namespace battery
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_battery_BatteryManager_h
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