/// <summary>
/// Loads the image into given imageView 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, ImageViewAsync imageView)
{
var task = new ImageLoaderTask(ImageService.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Config.Logger, parameters, imageView);
ImageService.LoadImage(task);
return(task);
}
private static ImageLoaderTask CreateTask(this TaskParameter parameters, Func <Image> getNativeControl, Action <WriteableBitmap, bool, bool> doWithImage)
{
var task = new ImageLoaderTask(ImageService.Instance.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Instance.Config.Logger, parameters,
getNativeControl, doWithImage);
return(task);
}
/// <summary>
/// Invalidate the image corresponding to given parameters from given caches.
/// </summary>
/// <param name="parameters">Image parameters.</param>
/// <param name="cacheType">Cache type.</param>
public static void Invalidate(this TaskParameter parameters, CacheType cacheType)
{
using (var task = new ImageLoaderTask(ImageService.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Config.Logger, parameters, null, null))
{
var key = task.GetKey();
ImageService.Invalidate(key, cacheType);
}
}
private static IScheduledWork Into(this TaskParameter parameters, Func <UIView> getNativeControl, Action <UIImage, bool, bool> doWithImage, float imageScale = -1f)
{
var task = new ImageLoaderTask(ImageService.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Config.Logger, parameters,
getNativeControl, doWithImage, imageScale);
ImageService.LoadImage(task);
return(task);
}
/// <summary>
/// Invalidate the image corresponding to given parameters from given caches.
/// </summary>
/// <param name="parameters">Image parameters.</param>
/// <param name="cacheType">Cache type.</param>
public static async Task InvalidateAsync(this TaskParameter parameters, CacheType cacheType)
{
using (var task = new ImageLoaderTask(ImageService.Instance.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Instance.Config.Logger, parameters, null, null, 1))
{
var key = task.GetKey();
await ImageService.Instance.InvalidateCacheEntryAsync(key, cacheType).ConfigureAwait(false);
}
}
public AsyncDrawable(Resources res, Bitmap bitmap, ImageLoaderTask imageLoaderTask)
: base(res, bitmap)
{
if (imageLoaderTask == null)
{
throw new ArgumentNullException("Parameter 'imageLoaderTask' cannot be null");
}
_imageLoaderTaskReference = new WeakReference <ImageLoaderTask>(imageLoaderTask);
}
public SelfDisposingAsyncDrawable(Resources res, Bitmap bitmap, ImageLoaderTask imageLoaderTask)
: base(res, bitmap)
{
if (imageLoaderTask == null)
{
throw new ArgumentNullException(nameof(imageLoaderTask));
}
_imageLoaderTaskReference = new WeakReference <ImageLoaderTask>(imageLoaderTask);
}
private static ImageLoaderTask CreateTask(this TaskParameter parameters, ImageViewAsync imageView)
{
var task = new ImageLoaderTask(ImageService.Instance.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Instance.Config.Logger, parameters, imageView);
return(task);
}
public AsyncDrawable(Resources res, Bitmap bitmap, ImageLoaderTask imageLoaderTask)
: base(res, bitmap)
{
_imageLoaderTaskReference = new WeakReference <ImageLoaderTask>(imageLoaderTask);
}
