listeners;
synchronized (mLock) {
listeners = new ArrayList<>(mCallbacks);
}
for (CarVendorExtensionCallback l: listeners) {
l.onErrorEvent(propertyId, zone);
}
}
/**
* Creates an instance of the {@link CarVendorExtensionManager}.
*
* Should not be obtained directly by clients, use {@link Car#getCarManager(String)} instead.
* @hide
*/
public CarVendorExtensionManager(Car car, IBinder service) {
super(car);
ICarProperty mCarPropertyService = ICarProperty.Stub.asInterface(service);
mPropertyManager = new CarPropertyManager(car, mCarPropertyService);
}
/**
* Contains callback functions that will be called when some event happens with vehicle
* property.
*/
public interface CarVendorExtensionCallback {
/** Called when a property is updated */
void onChangeEvent(CarPropertyValue value);
/** Called when an error is detected with a property */
void onErrorEvent(int propertyId, int zone);
}
/**
* Registers listener. The methods of the listener will be called when new events arrived in
* the main thread.
*/
public void registerCallback(CarVendorExtensionCallback callback) {
synchronized (mLock) {
if (mCallbacks.isEmpty()) {
mListenerToBase = new CarPropertyEventListenerToBase(this);
}
List configs = mPropertyManager.getPropertyList();
for (CarPropertyConfig c : configs) {
// Register each individual propertyId
mPropertyManager.registerCallback(mListenerToBase, c.getPropertyId(), 0);
}
mCallbacks.add(callback);
}
}
/** Unregisters listener that was previously registered. */
public void unregisterCallback(CarVendorExtensionCallback callback) {
synchronized (mLock) {
mCallbacks.remove(callback);
List configs = mPropertyManager.getPropertyList();
for (CarPropertyConfig c : configs) {
// Register each individual propertyId
mPropertyManager.unregisterCallback(mListenerToBase, c.getPropertyId());
}
if (mCallbacks.isEmpty()) {
mListenerToBase = null;
}
}
}
/** Get list of properties represented by CarVendorExtensionManager for this car. */
public List getProperties() {
return mPropertyManager.getPropertyList();
}
/**
* Check whether a given property is available or disabled based on the cars current state.
* @return true if the property is AVAILABLE, false otherwise
*/
public boolean isPropertyAvailable(int propertyId, int area) {
return mPropertyManager.isPropertyAvailable(propertyId, area);
}
/**
* Returns property value. Use this function for global vehicle properties.
*
* @param propertyClass - data type of the given property, for example property that was
* defined as {@code VEHICLE_VALUE_TYPE_INT32} in vehicle HAL could be accessed using
* {@code Integer.class}.
* @param propId - property id which is matched with the one defined in vehicle HAL
*/
public E getGlobalProperty(Class propertyClass, int propId) {
return getProperty(propertyClass, propId, 0 /* area */);
}
/**
* Returns property value. Use this function for "zoned" vehicle properties.
*
* @param propertyClass - data type of the given property, for example property that was
* defined as {@code VEHICLE_VALUE_TYPE_INT32} in vehicle HAL could be accessed using
* {@code Integer.class}.
* @param propId - property id which is matched with the one defined in vehicle HAL
* @param area - vehicle area (e.g. {@code VehicleAreaSeat.ROW_1_LEFT}
* or {@code VEHICLE_MIRROR_DRIVER_LEFT}
*/
public E getProperty(Class propertyClass, int propId, int area) {
return mPropertyManager.getProperty(propertyClass, propId, area).getValue();
}
/**
* Call this function to set a value to global vehicle property.
*
* @param propertyClass - data type of the given property, for example property that was
* defined as {@code VEHICLE_VALUE_TYPE_INT32} in vehicle HAL could be accessed using
* {@code Integer.class}.
* @param propId - property id which is matched with the one defined in vehicle HAL
* @param value - new value, this object should match a class provided in {@code propertyClass}
* argument.
*/
public void setGlobalProperty(Class propertyClass, int propId, E value) {
mPropertyManager.setProperty(propertyClass, propId, 0 /* area */, value);
}
/**
* Call this function to set a value to "zoned" vehicle property.
*
* @param propertyClass - data type of the given property, for example property that was
* defined as {@code VEHICLE_VALUE_TYPE_INT32} in vehicle HAL could be accessed using
* {@code Integer.class}.
* @param propId - property id which is matched with the one defined in vehicle HAL
* @param area - vehicle area (e.g. {@code VehicleAreaSeat.ROW_1_LEFT}
* or {@code VEHICLE_MIRROR_DRIVER_LEFT}
* @param value - new value, this object should match a class provided in {@code propertyClass}
* argument.
*/
public void setProperty(Class propertyClass, int propId, int area, E value) {
mPropertyManager.setProperty(propertyClass, propId, area, value);
}
/** @hide */
@Override
public void onCarDisconnected() {
synchronized (mLock) {
mCallbacks.clear();
}
mPropertyManager.onCarDisconnected();
}
private static class CarPropertyEventListenerToBase implements CarPropertyEventCallback {
private final WeakReference mManager;
CarPropertyEventListenerToBase(CarVendorExtensionManager manager) {
mManager = new WeakReference<>(manager);
}
@Override
public void onChangeEvent(CarPropertyValue value) {
CarVendorExtensionManager manager = mManager.get();
if (manager != null) {
manager.handleOnChangeEvent(value);
}
}
@Override
public void onErrorEvent(int propertyId, int zone) {
CarVendorExtensionManager manager = mManager.get();
if (manager != null) {
manager.handleOnErrorEvent(propertyId, zone);
}
}
}
}