/// <inheritdoc cref="IBrowser.StopTracingAsync"/>
public async Task <string> StopTracingAsync()
{
var taskWrapper = new TaskCompletionSource <string>(TaskCreationOptions.RunContinuationsAsynchronously);
async void EventHandler(object sender, IChromiumEvent e)
{
try
{
if (e is TracingTracingCompleteChromiumEvent tracingTracingComplete)
{
string stream = tracingTracingComplete.Stream;
string tracingData = await ProtocolStreamReader.ReadProtocolStreamStringAsync(_tracingClient, stream, _tracingPath).ConfigureAwait(false);
_client.MessageReceived -= EventHandler;
taskWrapper.TrySetResult(tracingData);
}
}
catch (Exception ex)
{
string message = $"Tracing failed to process the tracing complete. {ex.Message}. {ex.StackTrace}";
System.Diagnostics.Debug.WriteLine(ex);
_tracingClient.OnClosed(message);
}
}
_tracingClient.MessageReceived += EventHandler;
await _tracingClient.SendAsync(new TracingEndRequest()).ConfigureAwait(false);
_tracingRecording = false;
return(await taskWrapper.Task.ConfigureAwait(false));
}
public async Task <byte[]> GenerateAsync(string file, PdfOptions options)
{
double paperWidth = PaperFormat.Letter.Width;
double paperHeight = PaperFormat.Letter.Height;
if (options.Format != null)
{
paperWidth = options.Format.Width;
paperHeight = options.Format.Height;
}
else
{
if (options.Width != null)
{
paperWidth = ConvertPrintParameterToInches(options.Width);
}
if (options.Height != null)
{
paperHeight = ConvertPrintParameterToInches(options.Height);
}
}
double marginTop = ConvertPrintParameterToInches(options.MarginOptions.Top);
double marginLeft = ConvertPrintParameterToInches(options.MarginOptions.Left);
double marginBottom = ConvertPrintParameterToInches(options.MarginOptions.Bottom);
double marginRight = ConvertPrintParameterToInches(options.MarginOptions.Right);
var result = await _client.SendAsync(new PagePrintToPDFRequest
{
TransferMode = "ReturnAsStream",
Landscape = options.Landscape,
DisplayHeaderFooter = options.DisplayHeaderFooter,
HeaderTemplate = options.HeaderTemplate,
FooterTemplate = options.FooterTemplate,
PrintBackground = options.PrintBackground,
Scale = options.Scale,
PaperWidth = paperWidth,
PaperHeight = paperHeight,
MarginTop = marginTop,
MarginBottom = marginBottom,
MarginLeft = marginLeft,
MarginRight = marginRight,
PageRanges = options.PageRanges,
PreferCSSPageSize = options.PreferCSSPageSize,
}).ConfigureAwait(false);
return(await ProtocolStreamReader.ReadProtocolStreamByteAsync(_client, result.Stream, file).ConfigureAwait(false));
}
