private async void OnHistoryFileChanged(object sender, EventArgs e)
{
if (_isDisposed)
{
return;
}
InstalledFilesChanged?.Invoke(this, EventArgs.Empty);
_factory.NotifyImportNamesChanged();
var cts = new CancellationTokenSource();
var cancellationToken = cts.Token;
var oldCts = Interlocked.Exchange(ref _currentRefresh, cts);
try {
oldCts?.Cancel();
oldCts?.Dispose();
} catch (ObjectDisposedException) {
}
try {
await CacheInstalledPackagesAsync(false, false, cancellationToken);
} catch (OperationCanceledException) {
} catch (Exception ex) when(!ex.IsCriticalException())
{
Debug.Fail(ex.ToUnhandledExceptionMessage(GetType()));
}
}
private async void RefreshIsCurrentTimer_Elapsed(object state)
{
if (_isDisposed)
{
return;
}
try {
_refreshIsCurrentTrigger.Change(Timeout.Infinite, Timeout.Infinite);
} catch (ObjectDisposedException) {
}
InstalledFilesChanged?.Invoke(this, EventArgs.Empty);
_factory.NotifyImportNamesChanged();
var cts = new CancellationTokenSource();
var cancellationToken = cts.Token;
var oldCts = Interlocked.Exchange(ref _currentRefresh, cts);
try {
oldCts?.Cancel();
oldCts?.Dispose();
} catch (ObjectDisposedException) {
}
try {
await CacheInstalledPackagesAsync(false, false, cancellationToken);
} catch (OperationCanceledException) {
} catch (FileNotFoundException) {
// Happens if we attempt to refresh an environment that was just deleted
} catch (Exception ex) when(!ex.IsCriticalException())
{
Debug.Fail(ex.ToUnhandledExceptionMessage(GetType()));
}
}
private void RefreshIsCurrentTimer_Elapsed(object state)
{
if (_isDisposed)
{
return;
}
InstalledFilesChanged?.Invoke(this, EventArgs.Empty);
var cts = new CancellationTokenSource();
var oldCts = Interlocked.Exchange(ref _currentRefresh, cts);
oldCts?.Cancel();
oldCts?.Dispose();
CacheInstalledPackagesAsync(false, cts.Token)
.SilenceException <OperationCanceledException>()
.DoNotWait();
}
