/// <summary>
/// Loads the image into given ImageViewAsync using defined parameters.
/// </summary>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static IScheduledWork Into(this TaskParameter parameters, EvasImageContainer imageView)
{
var target = new EvasImageTarget(imageView);
if (parameters.Source != ImageSource.Stream && string.IsNullOrWhiteSpace(parameters.Path))
{
target.SetAsEmpty(null);
parameters.TryDispose();
return(null);
}
var task = ImageService.CreateTask(parameters, target);
ImageService.Instance.LoadImage(task);
return(task);
}
/// <summary>
/// Loads the image into given imageView using defined parameters.
/// IMPORTANT: It throws image loading exceptions - you should handle them
/// </summary>
/// <returns>An awaitable Task.</returns>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static Task <IScheduledWork> IntoAsync(this TaskParameter parameters, EvasImageContainer imageView)
{
var userErrorCallback = parameters.OnError;
var finishCallback = parameters.OnFinish;
var tcs = new TaskCompletionSource <IScheduledWork>();
parameters
.Error(ex =>
{
tcs.TrySetException(ex);
userErrorCallback?.Invoke(ex);
})
.Finish(scheduledWork =>
{
finishCallback?.Invoke(scheduledWork);
tcs.TrySetResult(scheduledWork);
})
.Into(imageView);
return(tcs.Task);
}
/// <summary>
/// Loads the image into given imageView using defined parameters.
/// IMPORTANT: It throws image loading exceptions - you should handle them
/// </summary>
/// <returns>An awaitable Task.</returns>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static Task <IScheduledWork> IntoAsync(this TaskParameter parameters, EvasImageContainer imageView)
{
return(parameters.IntoAsync(param => param.Into(imageView)));
}
/// <summary>
/// Loads the image into given ImageViewAsync using defined parameters.
/// </summary>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static IScheduledWork Into(this TaskParameter parameters, EvasImageContainer imageView)
{
var target = new EvasImageTarget(imageView);
return(parameters.Into(target));
}
