private async Task onLoadProgressAsync(LoadProgressMessage message)
{
//
// This method alwyas runs on a background thread. Executed at program start only.
//
// Due to requirements of the Bitmap class (used by FontAwesome) the entities must be created on the
// UI thread.
//
await asyncService.RunUiContext(() => viewModel.Loaders = buildEntityList());
messenger.SendUi(new OpenDialogMessage {
Name = DialogNames.LoadProgressDialog
});
await commonDataStore.LoadDataFilesAsync(onProgressCallbackAsync, false);
}
private void onTickerEventCallback(PushMessageBase message)
{
if (!(message is TickerMessage ticker))
{
return;
}
CurrencyViewEntity currency = viewModel.MarketTabs.SelectMany(market => market.Currencies).SingleOrDefault(c => c.Id == ticker.Id);
if (currency != null)
{
asyncService.RunUiContext(async() => {
double oldChange = currency.Price;
double newChange = ticker.Last;
mapper.Map(message, currency);
if (oldChange.EqualInPercentRange(newChange))
{
return;
}
if (newChange < oldChange)
{
currency.IsChangeDown = true;
}
else if (newChange > oldChange)
{
currency.IsChangeUp = true;
}
await Task.Delay(TimeSpan.FromMilliseconds(500));
if (newChange < oldChange)
{
currency.IsChangeDown = false;
}
else if (newChange > oldChange)
{
currency.IsChangeUp = false;
}
}).FireAndForget();
}
}
private void buildHexDataAsync(byte[] data, int fileOffset, CancellationToken token)
{
isBuilding = true;
try
{
asyncService.RunUiContext(token, () => viewModel.HexData.Clear()).Wait(token);
List <DomainHexData> cache = new List <DomainHexData>();
for (int i = 0; i < data.Length; i += 16)
{
if (token.IsCancellationRequested)
{
return;
}
StringBuilder hexStr = new StringBuilder();
StringBuilder ascStr = new StringBuilder();
for (int j = 0; j < 16; ++j)
{
if (i + j >= data.Length || token.IsCancellationRequested)
{
break;
}
byte c = data[i + j];
hexStr.AppendFormat("{0:X2} ", c);
ascStr.Append(isDisplayable(c) ? (char)c : '.');
}
if (token.IsCancellationRequested)
{
return;
}
DomainHexData hexData = new DomainHexData
{
FileIndex = fileOffset + i,
Index = i,
HexValues = hexStr.ToString().Trim(),
AsciiValues = ascStr.ToString()
};
cache.Add(hexData);
if (cache.Count > 512)
{
int i1 = i;
asyncService.RunUiContext(token, () =>
{
viewModel.HexData.AddRange(cache);
viewModel.Title = $"{title} {i1 / (double)data.Length:P1}";
}).Wait(token);
cache.Clear();
}
}
asyncService.RunUiContext(token, () =>
{
if (cache.Any())
{
viewModel.HexData.AddRange(cache);
}
viewModel.Title = $"{title} \u2713";
}).Wait(token);
}
catch (TaskCanceledException) { }
catch (OperationCanceledException) { }
catch (Exception ex)
{
messenger.SendUi(new ApplicationErrorMessage {
HeaderText = "Error Building Hex Display", Exception = ex
});
}
isBuilding = false;
}
