/// <summary>
/// Initializes a new instance of the <see cref="WatchedAsset{T}"/> class.
/// </summary>
/// <param name="owner">The content manager that owns the resource.</param>
/// <param name="assetPath">The asset path of the asset which is represented by this wrapper.</param>
/// <param name="assetDensity">The density bucket for which to load the asset, or <see langword="null"/> to use the density of the primary display.</param>
/// <param name="validating">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidating(String, T)"/> method.</param>
/// <param name="validationComplete">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidationComplete(String, T, Boolean)"/> method.</param>
public WatchedAsset(ContentManager owner, String assetPath, ScreenDensityBucket?assetDensity,
AssetWatcherValidatingHandler <T> validating = null, AssetWatcherValidationCompleteHandler <T> validationComplete = null)
{
var instance = default(T);
if (assetDensity == null)
{
instance = owner.Load <T>(assetPath);
}
else
{
instance = owner.Load <T>(assetPath, assetDensity.Value);
}
this.Owner = owner;
this.AssetPath = assetPath;
this.AssetDensity = assetDensity;
this.ValidatingValue = instance;
this.Value = instance;
this.watcher = new DelegateAssetWatcher <T>(
(p, a) =>
{
this.ValidatingValue = a;
return(validating?.Invoke(p, a) ?? true);
},
(p, a, v) =>
{
this.ValidatingValue = default(T);
this.Value = a;
validationComplete?.Invoke(p, a, v);
});
if (assetDensity == null)
{
this.Owner.AddWatcher(assetPath, watcher);
}
else
{
this.Owner.AddWatcher(assetPath, assetDensity.Value, watcher);
}
}
/// <summary>
/// Creates a new <see cref="LocalStyleSheet"/> instance.
/// </summary>
/// <param name="validating">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidating(String, T)"/> method.</param>
/// <param name="validationComplete">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidationComplete(String, T, Boolean)"/> method.</param>
/// <returns>The <see cref="LocalStyleSheet"/> which was created.</returns>
public static LocalStyleSheet Create(AssetWatcherValidatingHandler <UvssDocument> validating = null, AssetWatcherValidationCompleteHandler <UvssDocument> validationComplete = null)
{
var uv = UltravioletContext.DemandCurrent();
return(new LocalStyleSheet(uv, validating, validationComplete));
}
/// <summary>
/// Initializes a new instance of the <see cref="LocalStyleSheet"/> class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="validating">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidating(String, T)"/> method.</param>
/// <param name="validationComplete">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidationComplete(String, T, Boolean)"/> method.</param>
private LocalStyleSheet(UltravioletContext uv,
AssetWatcherValidatingHandler <UvssDocument> validating = null, AssetWatcherValidationCompleteHandler <UvssDocument> validationComplete = null)
: base(uv)
{
this.validating = validating;
this.validationComplete = validationComplete;
}
/// <summary>
/// Initializes a new instance of the <see cref="WatchedAsset{T}"/> class.
/// </summary>
/// <param name="owner">The content manager that owns the resource.</param>
/// <param name="assetPath">The asset path of the asset which is represented by this wrapper.</param>
/// <param name="validating">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidating(String, T)"/> method.</param>
/// <param name="validationComplete">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidationComplete(String, T, Boolean)"/> method.</param>
public WatchedAsset(ContentManager owner, String assetPath, AssetWatcherValidatingHandler <T> validating = null, AssetWatcherValidationCompleteHandler <T> validationComplete = null)
: this(owner, assetPath, null, validating, validationComplete)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DelegateAssetWatcher{T}"/> class.
/// </summary>
/// <param name="validating">A delegate which implements the <see cref="OnValidating(String, T)"/> method.</param>
/// <param name="validationComplete">A delegate which implements the <see cref="OnValidationComplete(String, T, Boolean)"/> method.</param>
public DelegateAssetWatcher(AssetWatcherValidatingHandler <T> validating, AssetWatcherValidationCompleteHandler <T> validationComplete)
{
this.validating = validating;
this.validationComplete = validationComplete;
}
/// <summary>
/// Initializes a new instance of the <see cref="CompositeUvssDocumentChild"/> class.
/// </summary>
/// <param name="contentManager">The content manager with which to load the asset.</param>
/// <param name="assetPath">The asset path of the document to load.</param>
/// <param name="validating">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidating(String, T)"/> method.</param>
/// <param name="validationComplete">A delegate which implements the <see cref="DelegateAssetWatcher{T}.OnValidationComplete(String, T, Boolean)"/> method.</param>
public CompositeUvssDocumentChild(ContentManager contentManager, String assetPath,
AssetWatcherValidatingHandler <UvssDocument> validating = null, AssetWatcherValidationCompleteHandler <UvssDocument> validationComplete = null)
{
Contract.Require(contentManager, nameof(contentManager));
Contract.Require(assetPath, nameof(assetPath));
this.contentManager = contentManager;
this.assetPath = assetPath;
this.assetVersions = new Dictionary <Byte, WatchedAsset <UvssDocument> >();
this.validating = validating;
this.validationComplete = validationComplete;
}
