/// <summary>
/// Creates a new instance.
/// </summary>
/// <param name="category">The category to show data for.</param>
/// <param name="photoThumbnail">The photo thumbnail that is used for
/// determining the scroll position of the photo stream.</param>
public StreamViewModelThumbnailArgs(CategoryPreview category, PhotoThumbnail photoThumbnail)
{
Category = category;
PhotoThumbnail = photoThumbnail;
}
/// <summary>
/// Searches for a photo in the given photo list that matches the given
/// photo thumbnail.
/// </summary>
/// <param name="photos">The photo list to search in.</param>
/// <param name="photoThumbnail">The thumbnail to search for.</param>
/// <returns>The photo that matches the given thumbnail.</returns>
public static Photo FindPhotoForThumbnail(this IList<Photo> photos, PhotoThumbnail photoThumbnail)
{
return photos.FirstOrDefault(p => p.ThumbnailUrl.Equals(photoThumbnail.ImageUrl));
}
private void OnPhotoThumbnailSelected(PhotoThumbnail photoThumbnail)
{
var categoryPreview = TopCategories.SingleOrDefault(c => c.PhotoThumbnails.Contains(photoThumbnail));
if (categoryPreview != null)
{
_navigationFacade.NavigateToPhotoStream(categoryPreview, photoThumbnail);
}
}
/// <summary>
/// Navigates to the photo stream view.
/// </summary>
/// <param name="categoryPreview">The category preview instance.</param>
/// <param name="photoThumbnail">
/// The photo thumbnail that will determine the scroll position.
/// </param>
public void NavigateToPhotoStream(CategoryPreview categoryPreview, PhotoThumbnail photoThumbnail)
{
Navigate(typeof(StreamViewModel), new StreamViewModelThumbnailArgs(categoryPreview, photoThumbnail));
}