public StatusViewModel(TimelineViewModelBase parent, StatusModel status,
IEnumerable<long> initialBoundAccounts)
{
_parent = parent;
// get status model
Model = status;
RetweetedOriginalModel = status.RetweetedOriginal;
// bind accounts
_bindingAccounts = initialBoundAccounts.Guard().ToArray();
// initialize users information
_favoritedUsers = ViewModelHelperRx.CreateReadOnlyDispatcherCollectionRx(
Model.FavoritedUsers, user => new UserViewModel(user), DispatcherHelper.UIDispatcher);
CompositeDisposable.Add(_favoritedUsers);
CompositeDisposable.Add(
_favoritedUsers.ListenCollectionChanged()
.Subscribe(_ =>
{
RaisePropertyChanged(() => IsFavorited);
RaisePropertyChanged(() => IsFavoritedUserExists);
RaisePropertyChanged(() => FavoriteCount);
}));
_retweetedUsers = ViewModelHelperRx.CreateReadOnlyDispatcherCollectionRx(
Model.RetweetedUsers, user => new UserViewModel(user), DispatcherHelper.UIDispatcher);
CompositeDisposable.Add(_retweetedUsers);
CompositeDisposable.Add(
_retweetedUsers.ListenCollectionChanged()
.Subscribe(_ =>
{
RaisePropertyChanged(() => IsRetweeted);
RaisePropertyChanged(() => IsRetweetedUserExists);
RaisePropertyChanged(() => RetweetCount);
}));
if (RetweetedOriginalModel != null)
{
CompositeDisposable.Add(
RetweetedOriginalModel.FavoritedUsers.ListenCollectionChanged()
.Subscribe(_ => this.RaisePropertyChanged(() => IsFavorited)));
CompositeDisposable.Add(
RetweetedOriginalModel.RetweetedUsers.ListenCollectionChanged()
.Subscribe(_ => this.RaisePropertyChanged(() => IsRetweeted)));
}
// resolve images
var imgsubj = Model.ImagesSubject;
if (imgsubj != null)
{
lock (imgsubj)
{
var subscribe = imgsubj
.Finally(() =>
{
RaisePropertyChanged(() => Images);
RaisePropertyChanged(() => FirstImage);
RaisePropertyChanged(() => IsImageAvailable);
})
.Subscribe();
CompositeDisposable.Add(subscribe);
}
}
// look-up in-reply-to
if (!status.Status.InReplyToStatusId.HasValue) return;
var inReplyTo = StoreHelper.GetTweet(status.Status.InReplyToStatusId.Value)
.Subscribe(replyTo =>
{
this._inReplyTo = replyTo;
this.RaisePropertyChanged(() => this.IsInReplyToExists);
this.RaisePropertyChanged(() => this.InReplyToUserImage);
this.RaisePropertyChanged(() => this.InReplyToUserName);
this.RaisePropertyChanged(() => this.InReplyToUserScreenName);
this.RaisePropertyChanged(() => this.InReplyToBody);
});
this.CompositeDisposable.Add(inReplyTo);
}
public StatusViewModel(TimelineViewModelBase parent, StatusModel status,
IEnumerable<long> initialBoundAccounts)
{
Interlocked.Increment(ref _instanceCount);
CompositeDisposable.Add(() => Interlocked.Decrement(ref _instanceCount));
_parent = parent;
// get status model
Model = status;
RetweetedOriginalModel = status.RetweetedOriginal;
// bind accounts
_bindingAccounts = initialBoundAccounts.Guard().ToArray();
// initialize users information
_favoritedUsers = ViewModelHelperRx.CreateReadOnlyDispatcherCollectionRx(
Model.FavoritedUsers, user => new UserViewModel(user),
DispatcherHelper.UIDispatcher, DispatcherPriority.Background);
CompositeDisposable.Add(_favoritedUsers);
CompositeDisposable.Add(
_favoritedUsers.ListenCollectionChanged()
.Subscribe(_ =>
{
RaisePropertyChanged(() => IsFavorited);
RaisePropertyChanged(() => IsFavoritedUserExists);
RaisePropertyChanged(() => FavoriteCount);
}));
_retweetedUsers = ViewModelHelperRx.CreateReadOnlyDispatcherCollectionRx(
Model.RetweetedUsers, user => new UserViewModel(user),
DispatcherHelper.UIDispatcher, DispatcherPriority.Background);
CompositeDisposable.Add(_retweetedUsers);
CompositeDisposable.Add(
_retweetedUsers.ListenCollectionChanged()
.Subscribe(_ =>
{
RaisePropertyChanged(() => IsRetweeted);
RaisePropertyChanged(() => IsRetweetedUserExists);
RaisePropertyChanged(() => RetweetCount);
}));
if (RetweetedOriginalModel != null)
{
CompositeDisposable.Add(
RetweetedOriginalModel.FavoritedUsers.ListenCollectionChanged()
.Subscribe(_ => this.RaisePropertyChanged(() => IsFavorited)));
CompositeDisposable.Add(
RetweetedOriginalModel.RetweetedUsers.ListenCollectionChanged()
.Subscribe(_ => this.RaisePropertyChanged(() => IsRetweeted)));
}
// resolve images
var imgsubj = Model.ImagesSubject;
if (imgsubj != null)
{
lock (imgsubj)
{
var subscribe = imgsubj
.Finally(() =>
{
RaisePropertyChanged(() => Images);
RaisePropertyChanged(() => FirstImage);
RaisePropertyChanged(() => IsImageAvailable);
})
.Subscribe();
CompositeDisposable.Add(subscribe);
}
}
// look-up in-reply-to
_isInReplyToExists = status.Status.InReplyToStatusId.HasValue;
}
