dom/system/nsDeviceSensors.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef nsDeviceSensors_h
   6 #define nsDeviceSensors_h
   7
   8 #include "nsIDeviceSensors.h"
   9 #include "nsCOMArray.h"
  10 #include "nsTArray.h"
  11 #include "nsCOMPtr.h"
  12 #include "nsITimer.h"
  13 #include "mozilla/dom/DeviceMotionEvent.h"
  14 #include "mozilla/TimeStamp.h"
  15 #include "mozilla/HalSensor.h"
  16 #include "nsDataHashtable.h"
  17
  18 class nsIDOMWindow;
  19
  20 namespace mozilla {
  21 namespace dom {
  22 class EventTarget;
  23 }
  24 }
  25
  26 class nsDeviceSensors : public nsIDeviceSensors, public mozilla::hal::ISensorObserver
  27 {
  28   typedef mozilla::dom::DeviceAccelerationInit DeviceAccelerationInit;
  29   typedef mozilla::dom::DeviceRotationRateInit DeviceRotationRateInit;
  30 public:
  31   NS_DECL_ISUPPORTS
  32   NS_DECL_NSIDEVICESENSORS
  33
  34   nsDeviceSensors();
  35
  36   void Notify(const mozilla::hal::SensorData& aSensorData);
  37
  38 private:
  39   virtual ~nsDeviceSensors();
  40
  41   // sensor -> window listener
  42   nsTArray<nsTArray<nsIDOMWindow*>* > mWindowListeners;
  43
  44   void FireDOMLightEvent(mozilla::dom::EventTarget* aTarget,
  45                          double value);
  46
  47   void FireDOMProximityEvent(mozilla::dom::EventTarget* aTarget,
  48                              double aValue,
  49                              double aMin,
  50                              double aMax);
  51
  52   void FireDOMUserProximityEvent(mozilla::dom::EventTarget* aTarget,
  53                                  bool aNear);
  54
  55   void FireDOMOrientationEvent(mozilla::dom::EventTarget* target,
  56                                double alpha,
  57                                double beta,
  58                                double gamma);
  59
  60   void FireDOMMotionEvent(class nsIDOMDocument *domDoc,
  61                           mozilla::dom::EventTarget* target,
  62                           uint32_t type,
  63                           double x,
  64                           double y,
  65                           double z);
  66
  67   bool mEnabled;
  68
  69   inline bool IsSensorEnabled(uint32_t aType) {
  70     return mWindowListeners[aType]->Length() > 0;
  71   }
  72
  73   mozilla::TimeStamp mLastDOMMotionEventTime;
  74   bool mIsUserProximityNear;
  75   mozilla::Maybe<DeviceAccelerationInit> mLastAcceleration;
  76   mozilla::Maybe<DeviceAccelerationInit> mLastAccelerationIncluduingGravity;
  77   mozilla::Maybe<DeviceRotationRateInit> mLastRotationRate;
  78 };
  79
  80 #endif