void
BluetoothService::DistributeSignal(const BluetoothSignal& aSignal)
{
MOZ_ASSERT(NS_IsMainThread());
if (aSignal.path().EqualsLiteral(KEY_LOCAL_AGENT)) {
Notify(aSignal);
return;
} else if (aSignal.path().EqualsLiteral(KEY_REMOTE_AGENT)) {
Notify(aSignal);
return;
}
BluetoothSignalObserverList* ol;
if (!mBluetoothSignalObserverTable.Get(aSignal.path(), &ol)) {
#if DEBUG
nsAutoCString msg("No observer registered for path ");
msg.Append(NS_ConvertUTF16toUTF8(aSignal.path()));
NS_WARNING(msg.get());
#endif
return;
}
MOZ_ASSERT(ol->Length());
ol->Broadcast(aSignal);
}
void
BluetoothService::DistributeSignal(const BluetoothSignal& aSignal)
{
MOZ_ASSERT(NS_IsMainThread());
BluetoothSignalObserverList* ol;
if (!mBluetoothSignalObserverTable.Get(aSignal.path(), &ol)) {
// If there is no BluetoohPairingListener in observer table, put the signal
// into a pending queue of pairing requests and send a system message to
// launch bluetooth certified app.
if (aSignal.path().EqualsLiteral(KEY_PAIRING_LISTENER)) {
mPendingPairReqSignals.AppendElement(aSignal);
BT_ENSURE_TRUE_VOID_BROADCAST_SYSMSG(
NS_LITERAL_STRING(SYS_MSG_BT_PAIRING_REQ),
BluetoothValue(EmptyString()));
} else {
BT_WARNING("No observer registered for path %s",
NS_ConvertUTF16toUTF8(aSignal.path()).get());
}
return;
}
MOZ_ASSERT(ol->Length());
ol->Broadcast(aSignal);
}
void
BluetoothService::DistributeSignal(const BluetoothSignal& aSignal)
{
MOZ_ASSERT(NS_IsMainThread());
// Notify observers that a message has been sent
BluetoothSignalObserverList* ol;
if (!mBluetoothSignalObserverTable.Get(aSignal.path(), &ol)) {
#if DEBUG
nsAutoCString msg("No observer registered for path ");
msg.Append(NS_ConvertUTF16toUTF8(aSignal.path()));
NS_WARNING(msg.get());
#endif
return;
}
MOZ_ASSERT(ol->Length());
ol->Broadcast(aSignal);
}
nsresult
BluetoothService::DistributeSignal(const BluetoothSignal& signal)
{
MOZ_ASSERT(NS_IsMainThread());
// Notify observers that a message has been sent
BluetoothSignalObserverList* ol;
if (!mBluetoothSignalObserverTable.Get(signal.path(), &ol)) {
return NS_OK;
}
ol->Broadcast(signal);
return NS_OK;
}
nsresult
BluetoothService::DistributeSignal(const BluetoothSignal& signal)
{
MOZ_ASSERT(NS_IsMainThread());
// Notify observers that a message has been sent
BluetoothSignalObserverList* ol;
if (!mBluetoothSignalObserverTable.Get(signal.path(), &ol)) {
#if DEBUG
nsString msg;
msg.AssignLiteral("No observer registered for path");
msg.Append(signal.path());
NS_WARNING(NS_ConvertUTF16toUTF8(msg).get());
#endif
return NS_OK;
}
#if DEBUG
if (ol->Length() == 0) {
NS_WARNING("Distributing to observer list of 0");
}
#endif
ol->Broadcast(signal);
return NS_OK;
}
/* HandleSinkPropertyChanged update sink state in A2dp
*
* Possible values: "disconnected", "connecting", "connected", "playing"
*
* 1. "disconnected" -> "connecting"
* Either an incoming or outgoing connection attempt ongoing
* 2. "connecting" -> "disconnected"
* Connection attempt failed
* 3. "connecting" -> "connected"
* Successfully connected
* 4. "connected" -> "playing"
* Audio stream active
* 5. "playing" -> "connected"
* Audio stream suspended
* 6. "connected" -> "disconnected"
* "playing" -> "disconnected"
* Disconnected from local or the remote device
*/
void
BluetoothA2dpManager::HandleSinkPropertyChanged(const BluetoothSignal& aSignal)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aSignal.value().type() ==
BluetoothValue::TArrayOfBluetoothNamedValue);
const nsString& address = aSignal.path();
/**
* Update sink property only if
* - mDeviceAddress is empty (A2dp is disconnected), or
* - this property change is from the connected sink.
*/
NS_ENSURE_TRUE_VOID(mDeviceAddress.IsEmpty() ||
mDeviceAddress.Equals(address));
const InfallibleTArray<BluetoothNamedValue>& arr =
aSignal.value().get_ArrayOfBluetoothNamedValue();
MOZ_ASSERT(arr.Length() == 1);
/**
* There are three properties:
* - "State": a string
* - "Connected": a boolean value
* - "Playing": a boolean value
*
* Note that only "State" is handled in this function.
*/
const nsString& name = arr[0].name();
NS_ENSURE_TRUE_VOID(name.EqualsLiteral("State"));
const BluetoothValue& value = arr[0].value();
MOZ_ASSERT(value.type() == BluetoothValue::TnsString);
SinkState newState = StatusStringToSinkState(value.get_nsString());
NS_ENSURE_TRUE_VOID((newState != SinkState::SINK_UNKNOWN) &&
(newState != mSinkState));
SinkState prevState = mSinkState;
mSinkState = newState;
switch(mSinkState) {
case SinkState::SINK_CONNECTING:
// case 1: Either an incoming or outgoing connection attempt ongoing
MOZ_ASSERT(prevState == SinkState::SINK_DISCONNECTED);
break;
case SinkState::SINK_PLAYING:
// case 4: Audio stream active
MOZ_ASSERT(prevState == SinkState::SINK_CONNECTED);
break;
case SinkState::SINK_CONNECTED:
// case 5: Audio stream suspended
if (prevState == SinkState::SINK_PLAYING ||
prevState == SinkState::SINK_CONNECTED) {
break;
}
// case 3: Successfully connected
mA2dpConnected = true;
mDeviceAddress = address;
NotifyConnectionStatusChanged();
OnConnect(EmptyString());
break;
case SinkState::SINK_DISCONNECTED:
// case 2: Connection attempt failed
if (prevState == SinkState::SINK_CONNECTING) {
OnConnect(NS_LITERAL_STRING(ERR_CONNECTION_FAILED));
break;
}
// case 6: Disconnected from the remote device
MOZ_ASSERT(prevState == SinkState::SINK_CONNECTED ||
prevState == SinkState::SINK_PLAYING) ;
mA2dpConnected = false;
NotifyConnectionStatusChanged();
mDeviceAddress.Truncate();
OnDisconnect(EmptyString());
break;
default:
break;
}
}
