public WatchHistoryPageViewModel(HohoemaApp hohoemaApp, PageManager pageManager)
: base(hohoemaApp, pageManager)
{
RemoveHistoryCommand = SelectedItems.ObserveProperty(x => x.Count)
.Select(x => x > 0)
.ToReactiveCommand()
.AddTo(_CompositeDisposable);
RemoveHistoryCommand.Subscribe(async _ =>
{
var selectedItems = SelectedItems.ToArray();
var action = AsyncInfo.Run <uint>(async(cancelToken, progress) =>
{
foreach (var item in selectedItems)
{
await RemoveHistory(item.RawVideoId);
SelectedItems.Remove(item);
await Task.Delay(250);
}
await UpdateList();
_HistoriesResponse = await HohoemaApp.ContentProvider.GetHistory();
RemoveAllHistoryCommand.RaiseCanExecuteChanged();
});
await PageManager.StartNoUIWork("視聴履歴の削除", selectedItems.Length, () => action);
})
.AddTo(_CompositeDisposable);
}
internal async Task RemoveAllHistory()
{
var action = AsyncInfo.Run(async(cancelToken) =>
{
await HohoemaApp.NiconicoContext.Video.RemoveAllHistoriesAsync(_HistoriesResponse.Token);
_HistoriesResponse = await HohoemaApp.ContentProvider.GetHistory();
RemoveAllHistoryCommand.RaiseCanExecuteChanged();
});
await PageManager.StartNoUIWork("全ての視聴履歴を削除", () => action);
await ResetList();
}
protected override async Task ListPageNavigatedToAsync(CancellationToken cancelToken, NavigatedToEventArgs e, Dictionary <string, object> viewModelState)
{
_HistoriesResponse = await HohoemaApp.ContentProvider.GetHistory();
await base.ListPageNavigatedToAsync(cancelToken, e, viewModelState);
}
public HistoryIncrementalLoadingSource(HohoemaApp hohoemaApp, PageManager pageManager, HistoriesResponse historyRes)
{
_HohoemaApp = hohoemaApp;
_PageManager = pageManager;
_HistoriesResponse = historyRes;
}
public HistoryIncrementalLoadingSource(HistoriesResponse historyRes)
{
_HistoriesResponse = historyRes;
}
