src/Tizen.NUI/src/internal/XamlBinding/FileImageSource.cs

   1 using System.Threading.Tasks;
   2
   3 namespace Tizen.NUI.Binding
   4 {
   5     [TypeConverter(typeof(FileImageSourceConverter))]
   6     internal sealed class FileImageSource : ImageSource
   7     {
   8         public static readonly BindableProperty FileProperty = BindableProperty.Create("File", typeof(string), typeof(FileImageSource), default(string));
   9
  10         public string File
  11         {
  12             get { return (string)GetValue(FileProperty); }
  13             set { SetValue(FileProperty, value); }
  14         }
  15
  16         public override Task<bool> Cancel()
  17         {
  18             return Task.FromResult(false);
  19         }
  20
  21         public override string ToString()
  22         {
  23             return $"File: {File}";
  24         }
  25
  26         public static implicit operator FileImageSource(string file)
  27         {
  28             return (FileImageSource)FromFile(file);
  29         }
  30
  31         public static implicit operator string(FileImageSource file)
  32         {
  33             return file != null ? file.File : null;
  34         }
  35
  36         protected override void OnPropertyChanged(string propertyName = null)
  37         {
  38             if (propertyName == FileProperty.PropertyName)
  39                 OnSourceChanged();
  40             base.OnPropertyChanged(propertyName);
  41         }
  42     }
  43 }