ImagesViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using NeuroAccessMaui.Services;
using NeuroAccessMaui.Services.UI.Photos;
using System.Collections.ObjectModel;
using System.Diagnostics;
using Waher.Networking.XMPP.Contracts;
 
namespace NeuroAccessMaui.UI.Popups.Image
{
 
 
    public partial class ImagesViewModel : BasePopupViewModel
    {
        private readonly PhotosLoader photosLoader;
 
 
        public ImagesViewModel(Attachment[] Attachments)
        {
            this.Photos = new ObservableCollection<Photo>();
            this.photosLoader = new PhotosLoader(this.Photos);
            this.LoadPhotos(Attachments);
        }
 
        public ObservableCollection<Photo> Photos { get; set; }
 
        [ObservableProperty]
        private bool isSwipeEnabled;
 
        public void LoadPhotos(Attachment[] attachments)
        {
            this.photosLoader.CancelLoadPhotos();
            this.IsSwipeEnabled = false;
 
            _ = this.photosLoader.LoadPhotos(attachments, SignWith.LatestApprovedIdOrCurrentKeys, () =>
            {
                MainThread.BeginInvokeOnMainThread(() => this.IsSwipeEnabled = this.Photos.Count > 1);
            });
        }
 
        protected override Task OnPopAsync()
        {
            this.photosLoader.CancelLoadPhotos();
            return base.OnPopAsync();
        }
        [RelayCommand]
        private async Task Cancel()
        {
            await ServiceRef.PopupService.PopAsync();
        }
    }
}