public async Task LoadItemThumbnail()
{
ILibraryItem libraryItem = listViewItem.Model;
ILibraryContainer libraryContainer = listViewItem.Container;
// Load from cache via LibraryID
var thumbnail = ApplicationController.Instance.Thumbnails.LoadCachedImage(libraryItem, thumbWidth, thumbHeight);
if (thumbnail != null)
{
this.SetItemThumbnail(thumbnail);
return;
}
if (thumbnail == null)
{
// Ask the container - allows the container to provide its own interpretation of the item thumbnail
thumbnail = await libraryContainer.GetThumbnail(libraryItem, thumbWidth, thumbHeight);
}
if (thumbnail == null && libraryItem is IThumbnail)
{
// If the item provides its own thumbnail, try to collect it
thumbnail = await(libraryItem as IThumbnail).GetThumbnail(thumbWidth, thumbHeight);
}
if (thumbnail == null)
{
// Ask content provider - allows type specific thumbnail creation
var contentProvider = ApplicationController.Instance.Library.GetContentProvider(libraryItem);
if (contentProvider != null)
{
// Before we have a thumbnail set to the content specific thumbnail
thumbnail = contentProvider.DefaultImage;
if (contentProvider is MeshContentProvider meshContentProvider)
{
// Store meshContentProvider reference
this.meshContentProvider = meshContentProvider;
// Schedule work
this.ScheduleRaytraceOperation();
}
else
{
// Show processing image
this.SetItemThumbnail(theme.GeneratingThumbnailIcon);
// Ask the provider for a content specific thumbnail
thumbnail = await contentProvider.GetThumbnail(libraryItem, thumbWidth, thumbHeight);
}
}
}
if (thumbnail == null)
{
// Use the listview defaults
thumbnail = ((libraryItem is ILibraryContainerLink) ? defaultFolderIcon : defaultItemIcon).AlphaToPrimaryAccent();
}
this.SetItemThumbnail(thumbnail);
}
public async Task LoadItemThumbnail(Action <ImageBuffer> thumbnailListener, Action <MeshContentProvider> buildThumbnail, ILibraryItem libraryItem, ILibraryContainer libraryContainer, int thumbWidth, int thumbHeight, ThemeConfig theme)
{
void setItemThumbnail(ImageBuffer icon)
{
if (icon != null)
{
icon = this.EnsureCorrectThumbnailSizing(icon, thumbWidth, thumbHeight);
thumbnailListener?.Invoke(icon);
}
}
// Load from cache via LibraryID
var thumbnail = ApplicationController.Instance.Thumbnails.LoadCachedImage(libraryItem, thumbWidth, thumbHeight);
if (thumbnail != null)
{
setItemThumbnail(thumbnail);
return;
}
if (thumbnail == null && libraryContainer != null)
{
// Ask the container - allows the container to provide its own interpretation of the item thumbnail
thumbnail = await libraryContainer.GetThumbnail(libraryItem, thumbWidth, thumbHeight);
}
if (thumbnail == null && libraryItem is IThumbnail)
{
// If the item provides its own thumbnail, try to collect it
thumbnail = await(libraryItem as IThumbnail).GetThumbnail(thumbWidth, thumbHeight);
}
if (thumbnail == null)
{
// Ask content provider - allows type specific thumbnail creation
var contentProvider = ApplicationController.Instance.Library.GetContentProvider(libraryItem);
if (contentProvider != null)
{
// Before we have a thumbnail set to the content specific thumbnail
thumbnail = contentProvider.DefaultImage;
if (contentProvider is MeshContentProvider meshContentProvider)
{
buildThumbnail?.Invoke(meshContentProvider);
}
else
{
// Show processing image
setItemThumbnail(theme.GeneratingThumbnailIcon);
// Ask the provider for a content specific thumbnail
thumbnail = await contentProvider.GetThumbnail(libraryItem, thumbWidth, thumbHeight);
}
}
}
if (thumbnail == null)
{
// Use the listview defaults
if (thumbHeight < 24 && thumbWidth < 24)
{
thumbnail = ((libraryItem is ILibraryContainerLink) ? defaultFolderIconx20 : defaultItemIconx20);;
//if (!theme.InvertIcons)
//{
// thumbnail = thumbnail.InvertLightness();
//}
thumbnail = thumbnail.MultiplyWithPrimaryAccent();
}
else
{
thumbnail = ((libraryItem is ILibraryContainerLink) ? defaultFolderIcon : defaultItemIcon).AlphaToPrimaryAccent();
}
}
// TODO: Resolve and implement
// Allow the container to draw an overlay - use signal interface or add method to interface?
//var iconWithOverlay = ActiveContainer.DrawOverlay()
setItemThumbnail(thumbnail);
}
