/// <summary>
/// Adds an utterance to the utterance queue.
/// <para>it will be spoken when any other utterances queued before it have been spoken.</para>
/// </summary>
public void Speak(SpeechSynthesisUtterance utterance)
{
if (Available)
{
JSRuntime.InvokeAsync <object>(Namespace + ".speak", this.GetObjectRef(), utterance, utterance.GetObjectRef());
}
}
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
/// <summary>
/// Adds an utterance to the utterance queue.
/// <para>it will be spoken when any other utterances queued before it have been spoken.</para>
/// </summary>
public void Speak(SpeechSynthesisUtterance utterance)
{
if (Available)
{
lock (_EventHandledUtterancesLock)
{
var eventHandledUtterances = _EventHandledUtterances
.Select(wref => (WeakRef: wref, Utterance: wref.TryGetTarget(out var u) ? u : null))
.Where(item => item.Utterance != null)
.ToArray();
var eventHandled = eventHandledUtterances.Any(item => Object.ReferenceEquals(item.Utterance, utterance));
if (!eventHandled)
{
eventHandledUtterances = eventHandledUtterances
.ToArray();
_EventHandledUtterances = eventHandledUtterances.Select(item => item.WeakRef)
.Concat(new[] { new WeakReference <SpeechSynthesisUtterance>(utterance) })
.ToArray();
HandleEvents(utterance);
}
else
{
_EventHandledUtterances = eventHandledUtterances.Select(item => item.WeakRef).ToArray();
}
}
InvokeJavaScriptAsync <object>("speak", this.GetObjectRef(), utterance, utterance.GetObjectRef());
}
}
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
/// <summary>
/// Adds an utterance to the utterance queue.
/// <para>it will be spoken when any other utterances queued before it have been spoken.</para>
/// </summary>
public void Speak(SpeechSynthesisUtterance utterance)
{
if (Available)
{
InvokeJavaScriptAsync <object>("speak", this.GetObjectRef(), utterance, utterance.GetObjectRef());
}
}
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
private void HandleEvents(SpeechSynthesisUtterance utterancet)
{
utterancet.Start += OnStart;
utterancet.Boundary += OnBoundary;
utterancet.Mark += OnMark;
utterancet.Pause += OnPause;
utterancet.Resume += OnResume;
utterancet.End += OnEnd;
utterancet.Error += OnError;
}
