gecko/dom/system/nsDeviceSensors.h

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2012-05-21 04:12:37 -07:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsDeviceSensors_h
#define nsDeviceSensors_h
#include "nsIDeviceSensors.h"
#include "nsCOMArray.h"
#include "nsTArray.h"
#include "nsCOMPtr.h"
#include "nsITimer.h"
#include "nsIDOMDeviceOrientationEvent.h"
#include "mozilla/dom/DeviceMotionEvent.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/HalSensor.h"
#include "nsDataHashtable.h"
class nsIDOMWindow;
namespace mozilla {
namespace dom {
class EventTarget;
}
}
class nsDeviceSensors : public nsIDeviceSensors, public mozilla::hal::ISensorObserver
{
typedef mozilla::dom::DeviceAccelerationInit DeviceAccelerationInit;
typedef mozilla::dom::DeviceRotationRateInit DeviceRotationRateInit;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDEVICESENSORS
nsDeviceSensors();
virtual ~nsDeviceSensors();
void Notify(const mozilla::hal::SensorData& aSensorData);
private:
// sensor -> window listener
nsTArray<nsTArray<nsIDOMWindow*>* > mWindowListeners;
void FireDOMLightEvent(mozilla::dom::EventTarget* aTarget,
double value);
void FireDOMProximityEvent(mozilla::dom::EventTarget* aTarget,
double aValue,
double aMin,
double aMax);
void FireDOMUserProximityEvent(mozilla::dom::EventTarget* aTarget,
bool aNear);
void FireDOMOrientationEvent(class nsIDOMDocument *domDoc,
mozilla::dom::EventTarget* target,
double alpha,
double beta,
double gamma);
void FireDOMMotionEvent(class nsIDOMDocument *domDoc,
mozilla::dom::EventTarget* target,
uint32_t type,
double x,
double y,
double z);
bool mEnabled;
inline bool IsSensorEnabled(uint32_t aType) {
return mWindowListeners[aType]->Length() > 0;
}
mozilla::TimeStamp mLastDOMMotionEventTime;
bool mIsUserProximityNear;
mozilla::Maybe<DeviceAccelerationInit> mLastAcceleration;
mozilla::Maybe<DeviceAccelerationInit> mLastAccelerationIncluduingGravity;
mozilla::Maybe<DeviceRotationRateInit> mLastRotationRate;
};
#endif