bitwarden-mobile/src/Core/Controls/CipherViewCell/CipherViewCell.xaml.cs

using System.Windows.Input;
using Bit.App.Abstractions;
using Bit.App.Pages;
using Bit.Core.Services;
using Bit.Core.Utilities;

namespace Bit.App.Controls
{
    public partial class CipherViewCell : BaseCipherViewCell
    {
        private const int ICON_COLUMN_DEFAULT_WIDTH = 40;
        private const int ICON_IMAGE_DEFAULT_WIDTH = 22;

        public static readonly BindableProperty ButtonCommandProperty = BindableProperty.Create(
            nameof(ButtonCommand), typeof(ICommand), typeof(CipherViewCell));

        public CipherViewCell()
        {
            InitializeComponent();

            var fontScale = ServiceContainer.Resolve<IDeviceActionService>().GetSystemFontSizeScale();
            _iconColumn.Width = new GridLength(ICON_COLUMN_DEFAULT_WIDTH * fontScale, GridUnitType.Absolute);
            _iconImage.WidthRequest = ICON_IMAGE_DEFAULT_WIDTH * fontScale;
            _iconImage.HeightRequest = ICON_IMAGE_DEFAULT_WIDTH * fontScale;
        }

        protected override Image Icon => _iconImage;

        protected override IconLabel IconPlaceholder => _iconPlaceholderImage;

        public ICommand ButtonCommand
        {
            get => GetValue(ButtonCommandProperty) as ICommand;
            set => SetValue(ButtonCommandProperty, value);
        }

        private void MoreButton_Clicked(object sender, EventArgs e)
        {
            if (BindingContext is CipherItemViewModel cipherItem)
            {
                ButtonCommand?.Execute(cipherItem.Cipher);
            }
        }

        private async void Image_OnLoaded(object sender, EventArgs e)
        {
            if (Handler?.MauiContext == null) { return; }
            if (_iconImage?.Source == null) { return; }

            try
            {
                var result = await _iconImage.Source.GetPlatformImageAsync(Handler.MauiContext);
                if (result == null)
                {
                    Icon_Error(sender, e);
                }
                else
                {
                    Icon_Success(sender, e);
                }
            }
            catch (InvalidOperationException) //Can occur with incorrect/malformed uris
            {
                Icon_Error(sender, e);
            }
            catch (Exception ex)
            {
                LoggerHelper.LogEvenIfCantBeResolved(ex);
                Icon_Error(sender, e);
            }
        }
    }
}