/// <summary>
/// Adds the item to the navigation page
/// </summary>
/// <param name="item">Item to remove</param>
public async void AddItem(string item)
{
// add to `FavoriteItems` and `favoritesList` must be atomic
await addSyncSemaphore.WaitAsync();
try
{
if (!string.IsNullOrEmpty(item) && !FavoriteItems.Contains(item))
{
FavoriteItems.Add(item);
await AddItemToSidebarAsync(item);
Save();
if (item == CommonPaths.RecycleBinPath)
{
UserSettingsService.AppearanceSettingsService.PinRecycleBinToSidebar = true;
}
}
}
finally
{
addSyncSemaphore.Release();
}
}
/// <summary>
/// Removes the item from the navigation page
/// </summary>
/// <param name="item">Item to remove</param>
public void RemoveItem(string item)
{
if (FavoriteItems.Contains(item))
{
FavoriteItems.Remove(item);
RemoveStaleSidebarItems();
Save();
if (item == CommonPaths.RecycleBinPath)
{
UserSettingsService.AppearanceSettingsService.PinRecycleBinToSidebar = false;
}
}
}
/// <summary>
/// Removes stale items in the navigation sidebar
/// </summary>
public void RemoveStaleSidebarItems()
{
// Remove unpinned items from favoriteList
foreach (var childItem in Favorites)
{
if (childItem is LocationItem item)
{
if (!item.IsDefaultLocation && !FavoriteItems.Contains(item.Path))
{
lock (favoriteList)
{
favoriteList.Remove(item);
}
controller.DataChanged?.Invoke(SectionType.Favorites, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, item));
}
}
}
// Remove unpinned items from sidebar
controller.DataChanged?.Invoke(SectionType.Favorites, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
