/// <summary>
/// Loads friends avatars from the web and updates it in UI.
/// </summary>
public void LoadAvatars()
{
try
{
var itemsToLoad = _GetInitialAvatarsToLoad();
if (!itemsToLoad.Any())
_isInited = true; // Only if no one item loaded we may think that nothing was initialized - this is first time.
else
{
var service = new AsyncAvatarsLoader();
service.LoadAvatars(itemsToLoad, _UpdateAvatar, () =>
{
var dialogsToReloadPicture = Dialogs.Where(d => d.IsConference);
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
foreach (var dialog in dialogsToReloadPicture)
{
var key = _GenereateGroupChatAvatar(dialog);
if (key == string.Empty)
{
dialog.Photo = DefaultAvatar;
}
else
{
var image = _imageCache.GetItem(key);
if (image != null)
dialog.Photo = image;
}
}
}
catch (Exception ex)
{
Debug.WriteLine("LoadAvatars failed in EntityService: " + ex.Message);
}
_isInited = true;
});
});
}
}
catch (Exception ex)
{
Debug.WriteLine("LoadAvatars failed " + ex.Message);
}
}
private void _LoadPhotos()
{
try
{
var service = new AsyncAvatarsLoader();
// From map of attachment view model and load items get collection of avatar load items...
var photosToLoad = _photosToLoad.Select(x => x.Value);
if (photosToLoad.Any())
service.LoadAvatars(photosToLoad.ToList(), _UpdatePhoto, null);
}
catch (Exception ex)
{
Debug.WriteLine("LoadPhotos failed " + ex.Message);
}
}
private bool _AddLocationAttachment()
{
if (!string.IsNullOrEmpty(App.Current.EntityService.AttachedLatitude) &&
!string.IsNullOrEmpty(App.Current.EntityService.AttachedLongitude))
{
try
{
string uri = String.Format(AppResources.GeolocationMapUriFormatMessage,
App.Current.EntityService.AttachedLatitude.Replace(",", "."),
App.Current.EntityService.AttachedLongitude.Replace(",", "."));
var avm = new AttachmentViewModel(-1, -1, -1, AttachmentType.Location, uri, null, null, null, null);
_model.Add(avm);
string filename = CommonHelper.DoDigest(uri);
var photosToLoad = new List<AvatarLoadItem>();
photosToLoad.Add(new AvatarLoadItem(1, uri, filename));
var service = new AsyncAvatarsLoader();
if (photosToLoad.Any())
service.LoadAvatars(photosToLoad.ToList(), id =>
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
ImageCache cache = new ImageCache();
BitmapImage image = cache.GetItem(filename);
if (image != null && image.PixelHeight > 0 && image.PixelWidth > 0)
{
avm.AttachPhoto = image;
}
}
catch (Exception ex)
{
Debug.WriteLine("_AddLocationAttachment failed in AttachmentsPage: " + ex.Message);
}
});
}, null);
}
catch (Exception ex)
{
Debug.WriteLine("Load attached location photo failed " + ex.Message);
}
return true;
}
return false;
}