/// <summary>
/// Handle a playback changed event.
/// Triggered by the <see cref="ZuneAPI.PlaybackChanged"/> event handler.
/// </summary>
/// <param name="sender">N/A</param>
/// <param name="e">N/A</param>
/// <seealso cref="DeferredUpdateAll"/>
private void PlaybackChanged(object sender, EventArgs e)
{
if (cachedPlayback != zuneAPI.IsPlaying())
{
cachedPlayback = zuneAPI.IsPlaying();
updateMessagesEnabled["playback"] = true;
}
DeferredUpdateAll(sender);
if (updateMessagesEnabled["playback"])
{
updateMessagesEnabled["playback"] = false;
messenger.Send(messageParser.CreateMessage(
zuneAPI.IsPlaying()
? MessageParser.MESSAGE_TYPE.PLAY
: MessageParser.MESSAGE_TYPE.PAUSE),
true);
}
}
/// <summary>
/// Create a message to be passed to the client.
/// </summary>
/// <param name="type">The type of message to be passed.</param>
/// <returns>Said message.</returns>
public string CreateMessage(MESSAGE_TYPE type)
{
StringBuilder sb = new StringBuilder();
switch (type)
{
case MESSAGE_TYPE.FILTER_APPLY:
sb.Append("apply_filter:");
sb.Append(eqAPI.IsEqualizerApplied() ? "true" : "false");
break;
case MESSAGE_TYPE.FILTER_REMOVED:
sb.Append("filter:removed");
break;
case MESSAGE_TYPE.FILTER_ADDED:
sb.Append("filter:added");
break;
case MESSAGE_TYPE.FILTERS_GAIN:
sb.Append("filters:");
// get the gains on the filters
bool first = true;
foreach (KeyValuePair <double, Filter> pair in eqAPI.GetFilters())
{
Filter filter = pair.Value;
if (first)
{
first = false;
}
else
{
sb.Append(",");
}
sb.Append(filter.Gain.ToString());
}
break;
case MESSAGE_TYPE.PAUSE:
sb.Append("playback:pause");
break;
case MESSAGE_TYPE.PLAY:
sb.Append("playback:play");
break;
case MESSAGE_TYPE.VOLUME_CHANGED:
sb.Append("volume:");
sb.Append(eqAPI.PreAmp);
break;
case MESSAGE_TYPE.TRACK_CHANGED:
sb.Append("track_changed:artist:");
sb.Append(zuneAPI.CurrentTrack.Artist);
sb.Append(";trackname:");
sb.Append(zuneAPI.CurrentTrack.Title);
sb.Append(";");
sb.Append(zuneAPI.IsPlaying() ? CreateMessage(MESSAGE_TYPE.PLAY) : CreateMessage(MESSAGE_TYPE.PAUSE));
sb.Append(";");
sb.Append(CreateMessage(MESSAGE_TYPE.VOLUME_CHANGED));
sb.Append(";");
sb.Append(CreateMessage(MESSAGE_TYPE.FILTERS_GAIN));
break;
}
return(sb.ToString());
}
