private void MediaElement_BufferingProgressChanged(object sender, RoutedEventArgs e)
{
Domain.ViewModels.Guide vm = (Domain.ViewModels.Guide) this.DataContext;
var v = (MediaElement)sender;
switch (v.CurrentState)
{
case MediaElementState.Buffering:
vm.IsLoading = true;
break;
case MediaElementState.Closed:
break;
case MediaElementState.Opening:
vm.IsLoading = true;
break;
case MediaElementState.Paused:
break;
case MediaElementState.Playing:
vm.IsLoading = false;
break;
case MediaElementState.Stopped:
vm.IsLoading = false;
break;
default:
break;
}
}
private void VideoPlay(object sender, TappedRoutedEventArgs e)
{
var v = (MediaElement)sender;
if (v.CurrentState == MediaElementState.Playing)
{
v.Pause();
}
else
{
Domain.ViewModels.Guide vm = (Domain.ViewModels.Guide) this.DataContext;
vm.IsLoading = true;
v.Play();
}
}
public Task OpenTextSpeechUI(Domain.ViewModels.Guide pagesToRead)
{
throw new NotImplementedException();
}
public async Task OpenTextSpeechUI(Domain.ViewModels.Guide guideToRead)
{
try
{
ObservableCollection <GuideBasePage> pagesToRead = guideToRead.Items;
SpeechSynthesizer synth = new SpeechSynthesizer();
var voices = InstalledVoices.All.Where(o => o.Language.StartsWith("en"));
if (voices.Count() > 0)
{
synth.SetVoice(voices.First());
guideToRead.BeingRead = true;
if (guideToRead.SelectedPageIndex == 0)
{
var toRead = ((GuideIntro)pagesToRead[0]);
if (!string.IsNullOrEmpty(toRead.Subject))
{
task = synth.SpeakTextAsync(toRead.Subject);
await task;
}
if (!string.IsNullOrEmpty(toRead.Summary))
{
task = synth.SpeakTextAsync(toRead.Summary);
await task;
}
guideToRead.SelectedPageIndex = 1;
}
for (int i = guideToRead.SelectedPageIndex; i < pagesToRead.Count; i++)
{
if (guideToRead.BeingRead == false)
{
break;
}
guideToRead.SelectedPage = (GuideBasePage)pagesToRead[i];
guideToRead.SelectedPageIndex = guideToRead.Items.IndexOf(guideToRead.SelectedPage);
var item = (GuideStepItem)pagesToRead[i];
int m = 0;
foreach (var line in item.Lines)
{
if (guideToRead.BeingRead == false)
{
break;
}
guideToRead.SelectedStepLine = m;
try
{
task = synth.SpeakTextAsync(line.VoiceText);
await task;
}
catch (Exception ex)
{
// throw;
}
m++;
}
}
guideToRead.BeingRead = false;
}
else
{
MessageBox.Show("please install the english voice languague pack ");
}
}
catch (Exception)
{
}
}
