/// <summary>
/// Loads audio settings from the specified XML element.
/// </summary>
/// <param name="xml">The XML element that contains the audio settings to load.</param>
/// <returns>The audio settings that were loaded from the specified XML element or <see langword="null"/> if
/// settings could not be loaded correctly.</returns>
public static UltravioletActivityAudioSettings Load(XElement xml)
{
if (xml == null)
{
return(null);
}
try
{
var settings = new UltravioletActivityAudioSettings();
settings.PlaybackDeviceName = xml.ElementValue <String>(nameof(PlaybackDeviceName));
settings.AudioMasterVolume = xml.ElementValue <Single>(nameof(AudioMasterVolume));
settings.AudioMuted = xml.ElementValue <Boolean>(nameof(AudioMuted));
settings.SongsMasterVolume = xml.ElementValue <Single>(nameof(SongsMasterVolume));
settings.SongsMuted = xml.ElementValue <Boolean>(nameof(SongsMuted));
settings.SoundEffectsMasterVolume = xml.ElementValue <Single>(nameof(SoundEffectsMasterVolume));
settings.SoundEffectsMuted = xml.ElementValue <Boolean>(nameof(SoundEffectsMuted));
return(settings);
}
catch (FormatException)
{
return(null);
}
catch (TargetInvocationException e)
{
if (e.InnerException is FormatException)
{
return(null);
}
throw;
}
}
/// <summary>
/// Saves the specified application settings to the specified file.
/// </summary>
/// <param name="path">The path to the file in which to save the application settings.</param>
/// <param name="settings">The <see cref="UltravioletApplicationSettings"/> to serialize to the specified file.</param>
public static void Save(String path, UltravioletActivitySettings settings)
{
var xml = new XDocument(new XDeclaration("1.0", "utf-8", "yes"),
new XElement("Settings",
UltravioletActivityAudioSettings.Save(settings.Audio)
));
xml.Save(path);
}
/// <summary>
/// Creates a set of application settings from the current application state.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <returns>The <see cref="UltravioletApplicationSettings"/> which was retrieved.</returns>
public static UltravioletActivitySettings FromCurrentSettings(UltravioletContext uv)
{
Contract.Require(uv, nameof(uv));
var settings = new UltravioletActivitySettings();
settings.Audio = UltravioletActivityAudioSettings.FromCurrentSettings(uv);
return(settings);
}
/// <summary>
/// Saves the specified audio settings to XML.
/// </summary>
/// <param name="settings">The audio settings to save.</param>
/// <returns>An XML element that represents the specified audio settings.</returns>
public static XElement Save(UltravioletActivityAudioSettings settings)
{
Contract.Require(settings, nameof(settings));
return(new XElement("Audio",
new XElement(nameof(PlaybackDeviceName), settings.PlaybackDeviceName),
new XElement(nameof(AudioMasterVolume), settings.AudioMasterVolume),
new XElement(nameof(AudioMuted), settings.AudioMuted),
new XElement(nameof(SongsMasterVolume), settings.SongsMasterVolume),
new XElement(nameof(SongsMuted), settings.SongsMuted),
new XElement(nameof(SoundEffectsMasterVolume), settings.SoundEffectsMasterVolume),
new XElement(nameof(SoundEffectsMuted), settings.SoundEffectsMuted)
));
}
/// <summary>
/// Loads a set of application settings from the specified file.
/// </summary>
/// <param name="path">The path to the file from which to load the application settings.</param>
/// <returns>The <see cref="UltravioletApplicationSettings"/> which were deserialized from the specified file.</returns>
public static UltravioletActivitySettings Load(String path)
{
var xml = XDocument.Load(path);
var settings = new UltravioletActivitySettings();
settings.Audio = UltravioletActivityAudioSettings.Load(xml.Root.Element("Audio"));
if (settings.Audio == null)
{
return(null);
}
return(settings);
}
/// <summary>
/// Creates a set of audio settings from the current application state.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <returns>The audio settings which were retrieved.</returns>
public static UltravioletActivityAudioSettings FromCurrentSettings(UltravioletContext uv)
{
Contract.Require(uv, nameof(uv));
var audio = uv.GetAudio();
var settings = new UltravioletActivityAudioSettings();
settings.PlaybackDeviceName = audio.PlaybackDevice?.Name;
settings.AudioMasterVolume = audio.AudioMasterVolume;
settings.AudioMuted = audio.AudioMuted;
settings.SongsMasterVolume = audio.SongsMasterVolume;
settings.SongsMuted = audio.SongsMuted;
settings.SoundEffectsMasterVolume = audio.SoundEffectsMasterVolume;
settings.SoundEffectsMuted = audio.SoundEffectsMuted;
return(settings);
}