/// <summary>
/// Builds a ThumbnailFetcher that will fetch the thumbnail for the given asset
/// and call the given callback when done. Building this object doesn't immediately
/// start the fetch. To start, call Fetch().
/// </summary>
/// <param name="asset">The asset to fetch the thumbnail for.</param>
/// <param name="callback">The callback to call when done. Can be null.</param>
public ThumbnailFetcher(PolyAsset asset, PolyFetchThumbnailOptions options,
PolyApi.FetchThumbnailCallback callback)
{
this.asset = asset;
this.options = options ?? new PolyFetchThumbnailOptions();
this.callback = callback;
}
/// <summary>
/// As documented in PolyApi.FetchThumbnails.
/// </summary>
public void FetchThumbnail(PolyAsset asset, PolyApi.FetchThumbnailCallback callback)
{
ThumbnailFetcher fetcher = new ThumbnailFetcher(asset, callback);
// ThumbnailFetcher will handle fetching, converting and calling the callback.
fetcher.Fetch();
}
/// <summary>
/// Builds a ThumbnailFetcher that will fetch the thumbnail for the given asset
/// and call the given callback when done. Building this object doesn't immediately
/// start the fetch. To start, call Fetch().
/// </summary>
/// <param name="asset">The asset to fetch the thumbnail for.</param>
/// <param name="callback">The callback to call when done. Can be null.</param>
public ThumbnailFetcher(PolyAsset asset, PolyApi.FetchThumbnailCallback callback)
{
this.asset = asset;
this.callback = callback;
}
