/// <summary>
/// Open memo
/// </summary>
/// <param name="msg">Open memo message</param>
void OnOpenMemoMessage(OpenMemoMessage msg)
{
if (msg.Memo.IsPhotoMemo == false)
return;
Memo = msg.Memo;
Memo.Open();
}
/// <summary>
/// Open document message
/// </summary>
/// <param name="msg">Message from others</param>
void OnOpenMemoMessage(OpenMemoMessage msg)
{
//
// Only accept text memo
//
if (msg.Memo.IsTextMemo == false)
return;
Memo = msg.Memo;
Memo.Open();
}
/// <summary>
/// Open text document
/// </summary>
/// <param name="memo"></param>
public void Open(Memo memo)
{
Debug.Assert(memo.IsPhotoMemo);
if (false == memo.IsPhotoMemo)
return;
memo.Open();
if (memo.Thumb != null)
{
_image.Source = memo.Thumb;
}
else
{
Observable
.FromEvent<PropertyChangedEventHandler, PropertyChangedEventArgs>(
a => new PropertyChangedEventHandler((x, xe) => a(xe)),
h => memo.PropertyChanged += h,
h => memo.PropertyChanged -= h)
.Where(args => args.PropertyName == Memo.ThumbPropertyName)
.Select(x => memo.Thumb)
.Where(thumb => thumb != null)
.ObserveOnDispatcher()
.Subscribe(thumb =>
{
_image.Source = thumb;
});
}
}