public void UpdateModel(IItemLoaderState loaderState)
{
PackageSearchStatus = Convert(loaderState.LoadingStatus);
ItemsFound = loaderState.ItemsCount;
var convertedList = new System.Collections.SortedList();
foreach (var kv in loaderState.SourceLoadingStatus)
{
convertedList.Add(kv.Key, Convert(kv.Value));
}
SourceLoadingStatus = convertedList;
}
public void UpdateLoadingState(IItemLoaderState loaderState)
{
ViewModel?.UpdateModel(loaderState);
}
public void UpdateLoadingState(IItemLoaderState loaderState)
{
Status = loaderState.LoadingStatus;
}
private Visibility EvaluateStatusBarVisibility(IItemLoader <PackageItemListViewModel> loader, IItemLoaderState state)
{
var statusBarVisibility = Visibility.Hidden;
if (state.LoadingStatus == LoadingStatus.Cancelled ||
state.LoadingStatus == LoadingStatus.ErrorOccurred)
{
statusBarVisibility = Visibility.Visible;
}
if (loader.IsMultiSource)
{
var hasMore = _loadingStatusBar.ItemsLoaded != 0 && state.ItemsCount > _loadingStatusBar.ItemsLoaded;
if (hasMore)
{
statusBarVisibility = Visibility.Visible;
}
if (state.LoadingStatus == LoadingStatus.Loading && state.ItemsCount > 0)
{
statusBarVisibility = Visibility.Visible;
}
}
return(statusBarVisibility);
}
/// <summary>
/// Shows the Loading status bar, if necessary. Also, it inserts the Loading... indicator, if necesary
/// </summary>
/// <param name="loader">Current loader</param>
/// <param name="state">Progress reported by the <c>Progress</c> callback</param>
private void HandleItemLoaderStateChange(IItemLoader <PackageItemListViewModel> loader, IItemLoaderState state)
{
_joinableTaskFactory.Value.Run(async() =>
{
await _joinableTaskFactory.Value.SwitchToMainThreadAsync();
if (loader == _loader)
{
_loadingStatusBar.UpdateLoadingState(state);
// decide when to show status bar
var desiredVisibility = EvaluateStatusBarVisibility(loader, state);
if (_loadingStatusBar.Visibility != Visibility.Visible &&
desiredVisibility == Visibility.Visible)
{
_loadingStatusBar.Visibility = desiredVisibility;
}
_loadingStatusIndicator.Status = state.LoadingStatus;
if (!Items.Contains(_loadingStatusIndicator))
{
await _list.ItemsLock.ExecuteAsync(() =>
{
Items.Add(_loadingStatusIndicator);
return(Task.CompletedTask);
});
}
}
});
}
public void UpdateLoadingState(IItemLoaderState loaderState)
{
ThreadHelper.ThrowIfNotOnUIThread();
ViewModel?.UpdateModel(loaderState);
}
private void HandleItemLoaderStateChange(IItemLoader <PackageItemListViewModel> loader, IItemLoaderState state)
{
NuGetUIThreadHelper.JoinableTaskFactory.Run(async() =>
{
await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
if (loader == _loader)
{
_loadingStatusBar.UpdateLoadingState(state);
// decide when to show status bar
var desiredVisibility = EvaluateStatusBarVisibility(loader, state);
if (_loadingStatusBar.Visibility != Visibility.Visible &&
desiredVisibility == Visibility.Visible)
{
_loadingStatusBar.Visibility = desiredVisibility;
}
_loadingStatusIndicator.Status = state.LoadingStatus;
if (!Items.Contains(_loadingStatusIndicator))
{
Items.Add(_loadingStatusIndicator);
}
}
});
}
