private void ReadPhotosOrDocuments(List <PhotoOrDocument> photosOrDocuments)
{
((Collection <PhotoViewModel>) this._photosCollection).Clear();
List <PhotoOrDocument> .Enumerator enumerator = photosOrDocuments.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
PhotoOrDocument current = enumerator.Current;
PhotoViewModel photoViewModel = null;
if (current.photo != null)
{
photoViewModel = new PhotoViewModel(current.photo, null);
}
else if (current.document != null)
{
photoViewModel = new PhotoViewModel(current.document);
}
if (photoViewModel != null)
{
((Collection <PhotoViewModel>) this._photosCollection).Add(photoViewModel);
}
}
}
finally
{
enumerator.Dispose();
}
}
public void LoadPhotosFromFeed(Action <bool> callback)
{
if (this._isLoading)
{
return;
}
this._isLoading = true;
PhotosService.Current.GetPhotos(this._userOrGroupId, this._isGroup, this._aid, null, (long)this._date, this._mode == ViewerMode.Photos ? "photo" : "photo_tag", (Action <BackendResult <List <Photo>, ResultCode> >)(res =>
{
this._isLoading = false;
if (res.ResultCode == ResultCode.Succeeded)
{
Execute.ExecuteOnUIThread((Action)(() =>
{
int num;
for (int i = 0; i < res.ResultData.Count; i = num + 1)
{
PhotoViewModel photoViewModel = (PhotoViewModel)Enumerable.FirstOrDefault <PhotoViewModel>(this.PhotosCollection, (Func <PhotoViewModel, bool>)(p =>
{
if (p.Photo != null)
{
return(p.Photo.pid == res.ResultData[i].pid);
}
return(false);
}));
if (photoViewModel != null)
{
((Collection <PhotoViewModel>) this.PhotosCollection)[((Collection <PhotoViewModel>) this.PhotosCollection).IndexOf(photoViewModel)].Photo = res.ResultData[i];
}
else
{
((Collection <PhotoViewModel>) this.PhotosCollection).Add(new PhotoViewModel(res.ResultData[i], null));
}
num = i;
}
if (this._photosCount < ((Collection <PhotoViewModel>) this.PhotosCollection).Count)
{
this._photosCount = ((Collection <PhotoViewModel>) this.PhotosCollection).Count;
}
callback(true);
}));
}
else
{
callback(false);
}
}));
}