root/Source/modules/battery/BatteryManager.h

INCLUDED FROM

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BatteryManager_h
#define BatteryManager_h

#include "core/dom/ContextLifecycleObserver.h"
#include "core/dom/Document.h"
#include "core/events/EventTarget.h"
#include "heap/Handle.h"
#include "modules/battery/BatteryStatus.h"

namespace WebCore {

class Navigator;

class BatteryManager FINAL : public RefCountedWillBeRefCountedGarbageCollected<BatteryManager>, public ContextLifecycleObserver, public EventTargetWithInlineData {
    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<BatteryManager>);
public:
    virtual ~BatteryManager();
    static PassRefPtrWillBeRawPtr<BatteryManager> create(ExecutionContext*);

    // EventTarget implementation.
    virtual const WTF::AtomicString& interfaceName() const OVERRIDE { return EventTargetNames::BatteryManager; }
    virtual ExecutionContext* executionContext() const OVERRIDE { return ContextLifecycleObserver::executionContext(); }

    bool charging();
    double chargingTime();
    double dischargingTime();
    double level();

    DEFINE_ATTRIBUTE_EVENT_LISTENER(chargingchange);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(chargingtimechange);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(dischargingtimechange);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(levelchange);

    void didChangeBatteryStatus(PassRefPtrWillBeRawPtr<Event>, PassOwnPtr<BatteryStatus>);

    void trace(Visitor*) { }

private:
    explicit BatteryManager(ExecutionContext*);

    OwnPtr<BatteryStatus> m_batteryStatus;
};

}

#endif // BatteryManager_h