/// <summary>
/// Builds a question group for the given SRS entry.
/// </summary>
/// <param name="reference">Target SRS entry.</param>
public SrsQuestionGroup(SrsEntry reference)
{
Reference = reference;
Questions = new List <SrsQuestion>();
if (!string.IsNullOrWhiteSpace(reference.Meanings))
{
Questions.Add(new SrsQuestion()
{
Question = SrsQuestionEnum.Meaning,
ParentGroup = this
});
}
if (!string.IsNullOrWhiteSpace(reference.Readings))
{
Questions.Add(new SrsQuestion()
{
Question = SrsQuestionEnum.Reading,
ParentGroup = this
});
}
Audio = new VocabAudio(Reference);
}
/// <summary>
/// Builds a question group for the given SRS entry.
/// </summary>
/// <param name="reference">Target SRS entry.</param>
public SrsQuestionGroup(SrsEntry reference)
{
Reference = reference;
Questions = new List<SrsQuestion>();
if (!string.IsNullOrWhiteSpace(reference.Meanings))
{
Questions.Add(new SrsQuestion()
{
Question = SrsQuestionEnum.Meaning,
ParentGroup = this
});
}
if (!string.IsNullOrWhiteSpace(reference.Readings))
{
Questions.Add(new SrsQuestion()
{
Question = SrsQuestionEnum.Reading,
ParentGroup = this
});
}
Audio = new VocabAudio(Reference);
}
/// <summary>
/// Triggers when the media played successfully and ended.
/// </summary>
private void OnMediaEnded(object sender, EventArgs e)
{
if (_playingVocab != null)
{
_playingVocab.State = VocabAudioState.Playable;
_playingVocab = null;
}
IsBusy = false;
}
/// <summary>
/// Triggers when the media failed to load or play.
/// </summary>
private void OnMediaFailed(object sender, ExceptionEventArgs e)
{
if (_playingVocab != null)
{
_playingVocab.State = VocabAudioState.Failed;
_playingVocab = null;
}
IsBusy = false;
}
/// <summary>
/// Triggered when the media has been successfuly opened.
/// </summary>
private void OnMediaOpened(object sender, EventArgs e)
{
if (_player.NaturalDuration.TimeSpan.Ticks == UnavailableDurationTicks)
{
// Probably unavailable (or we're having terrible, terrible luck)
if (_playingVocab != null)
{
_playingVocab.State = VocabAudioState.Unavailable;
_playingVocab = null;
}
IsBusy = false;
}
else
{
// Audio is available. Play it!
if (_playingVocab != null)
{
_playingVocab.State = VocabAudioState.Playing;
}
_player.Volume = Math.Min(1, Math.Max(0, Properties.Settings.Default.AudioVolume / 100f));
_player.Play();
_timeoutTimer.Stop();
}
}
/// <summary>
/// Builds and returns the audio URI for the given vocab.
/// </summary>
/// <param name="vocab">Vocab to use to build the URI.</param>
/// <returns>URI built from the setting using the vocab.</returns>
private Uri GetUri(VocabAudio vocab)
{
return new Uri(Kanji.Interface.Properties.Settings.Default.AudioUri
.Replace("%kana%", vocab.KanaReading)
.Replace("%kanji%", vocab.KanjiReading));
}
private void AsyncPlayVocabAudio(VocabAudio vocab)
{
if (vocab.State == VocabAudioState.Unavailable)
{
// Audio has already been found to be unavailable.
// Do not play.
IsBusy = false;
return;
}
// Switch the state to loading.
vocab.State = VocabAudioState.Loading;
try
{
// If something was playing...
if (_playingVocab != null)
{
// Switch it to playable state and stop.
_playingVocab.State = VocabAudioState.Playable;
_player.Stop();
// Note: this should not happen, but it's there just in case.
}
// Switch the playing vocab and open the audio file.
_playingVocab = vocab;
_timeoutTimer.Start();
_player.Open(GetUri(vocab));
}
catch (Exception ex)
{
// Lots of things could go wrong. Let's just log the error and give up with a Failed state.
LogHelper.GetLogger("AudioBusiness").Error("Could not open the audio.", ex);
vocab.State = VocabAudioState.Failed;
IsBusy = false;
}
}
/// <summary>
/// Plays the vocab audio for the given vocab.
/// </summary>
/// <param name="vocab">Vocab to play.</param>
public static void PlayVocabAudio(VocabAudio vocab)
{
if (!Instance.IsBusy && Instance.CheckUriSetting())
{
Instance.IsBusy = true;
DispatcherHelper.InvokeAsync(() => Instance.AsyncPlayVocabAudio(vocab));
}
}
/// <summary>
/// Event trigger.
/// Triggered when the timeout timer ticks.
/// Stops loading and returns the business to a non-busy state.
/// </summary>
private void OnTimeoutTick(object sender, EventArgs e)
{
if (IsBusy)
{
if (_playingVocab != null)
{
_playingVocab.State = VocabAudioState.Failed;
_playingVocab = null;
}
_player.Stop();
IsBusy = false;
}
}
public ExtendedVocab(VocabEntity dbVocab, ExtendedSrsEntry srsEntry)
{
DbVocab = dbVocab;
Audio = new VocabAudio(dbVocab);
SrsEntry = srsEntry;
}
public ExtendedVocab(VocabEntity dbVocab, ExtendedSrsEntry srsEntry)
{
DbVocab = dbVocab;
Audio = new VocabAudio(dbVocab);
SrsEntry = srsEntry;
}
