public static ReadOnlyDispatcherCollectionRx<TViewModel> CreateReadOnlyDispatcherCollectionRx
<TModel, TViewModel>(ObservableSynchronizedCollectionEx<TModel> source, Func<TModel, TViewModel> converter,
Dispatcher dispatcher, DispatcherPriority priority = DispatcherPriority.Normal)
{
if (source == null) throw new ArgumentNullException("source");
if (!DispatcherHelper.UIDispatcher.CheckAccess())
{
throw new ArgumentException("This method must be called on the Dispatcher thread.");
}
var sourceAsNotifyCollection = source as INotifyCollectionChanged;
if (sourceAsNotifyCollection == null)
throw new ArgumentException("sourceがINotifyCollectionChangedを実装していません");
var initCollection = new ObservableCollection<TViewModel>();
var target = new DispatcherCollectionRx<TViewModel>(initCollection, dispatcher)
{
CollectionChangedDispatcherPriority = priority
};
var result = new ReadOnlyDispatcherCollectionRx<TViewModel>(target);
source.SynchronizedToArray(array =>
{
foreach (var model in array)
{
initCollection.Add(converter(model));
}
result.Disposables.Add(CreateSubscription(sourceAsNotifyCollection, converter, target));
});
return result;
}
internal AccountManager(Setting.SettingItem <List <TwitterAccount> > settingItem)
{
_settingItem = settingItem ?? throw new ArgumentNullException(nameof(settingItem));
_accountObservableCollection = new ObservableSynchronizedCollectionEx <TwitterAccount>(_settingItem.Value);
_accountCache = new ConcurrentDictionary <long, TwitterAccount>(
_accountObservableCollection.Distinct(a => a.Id).ToDictionary(a => a.Id));
_accountObservableCollection.CollectionChanged += CollectionChanged;
_random = new Random(Environment.TickCount);
// initialize DB after system is available.
App.SystemReady += SynchronizeDb;
}
internal AccountManager(Setting.SettingItem<List<TwitterAccount>> settingItem)
{
if (settingItem == null)
{
throw new ArgumentNullException("settingItem");
}
this._settingItem = settingItem;
_accountObservableCollection = new ObservableSynchronizedCollectionEx<TwitterAccount>(_settingItem.Value);
_accountCache = new ConcurrentDictionary<long, TwitterAccount>(
_accountObservableCollection.ToDictionary(a => a.Id));
_accountObservableCollection.CollectionChanged += CollectionChanged;
_random = new Random(Environment.TickCount);
}
public TimelineModelBase()
{
_statusIdCache = new HashSet<long>();
_statuses = new ObservableSynchronizedCollectionEx<StatusModel>();
}
public TimelineModelBase()
{
this._statusIdCache = new HashSet <long>();
this._statuses = new ObservableSynchronizedCollectionEx <StatusModel>();
}
public TimelineModelBase()
{
this._statusIdCache = new AVLTree<long>();
this._statuses = new ObservableSynchronizedCollectionEx<StatusModel>();
}
