} // End Sub ConvertDataAsync
private static async System.Threading.Tasks.Task ClosePage(MasterDevs.ChromeDevTools.IChromeSession chromeSession, string frameId, bool headLess)
{
System.Threading.Tasks.Task <MasterDevs.ChromeDevTools.CommandResponse <CloseTargetCommandResponse> > closeTargetTask = chromeSession.SendAsync(
new CloseTargetCommand()
{
TargetId = frameId
}
);
// await will block forever if headless
if (!headLess)
{
MasterDevs.ChromeDevTools.CommandResponse <CloseTargetCommandResponse> closeTargetResponse = await closeTargetTask;
System.Console.WriteLine(closeTargetResponse);
}
else
{
System.Console.WriteLine(closeTargetTask);
}
} // End Task ClosePage
} // End Function ConnectToChrome
public static async System.Threading.Tasks.Task ConvertDataAsync(ConversionData conversionData)
{
#if false
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
#endif
MasterDevs.ChromeDevTools.IChromeSessionFactory chromeSessionFactory = new MasterDevs.ChromeDevTools.ChromeSessionFactory();
using (ConnectionInfo connectionInfo = await ConnectToChrome(conversionData.ChromePath, conversionData.RemoteDebuggingUri))
{
MasterDevs.ChromeDevTools.IChromeSession chromeSession = chromeSessionFactory.Create(connectionInfo.SessionInfo.WebSocketDebuggerUrl);
// STEP 3 - Send a command
//
// Here we are sending a commands to tell chrome to set the viewport size
// and navigate to the specified URL
await chromeSession.SendAsync(new SetDeviceMetricsOverrideCommand
{
Width = conversionData.ViewPortWidth,
Height = conversionData.ViewPortHeight,
Scale = 1
});
MasterDevs.ChromeDevTools.CommandResponse <NavigateCommandResponse> navigateResponse =
await chromeSession.SendAsync(new NavigateCommand
{
// Url = "http://www.google.com"
Url = "about:blank"
});
System.Console.WriteLine("NavigateResponse: " + navigateResponse.Id);
MasterDevs.ChromeDevTools.CommandResponse <SetDocumentContentCommandResponse> setContentResponse =
await chromeSession.SendAsync(new SetDocumentContentCommand()
{
FrameId = navigateResponse.Result.FrameId,
Html = conversionData.Html
}
);
// private static double cm2inch(double centimeters) { return centimeters * 0.0393701; }
UnitConversion_t cm2inch = delegate(double centimeters) { return(centimeters * 0.393701); };
// private static double mm2inch(double milimeters) { return milimeters * 0.0393701; }
UnitConversion_t mm2inch = delegate(double milimeters) { return(milimeters * 0.0393701); };
PrintToPDFCommand printCommand2 = new PrintToPDFCommand()
{
Scale = 1,
MarginTop = 0,
MarginLeft = 0,
MarginRight = 0,
MarginBottom = 0,
PrintBackground = true,
Landscape = false,
// PaperWidth = cm2inch(21),
// PaperHeight = cm2inch(29.7),
// PaperWidth = cm2inch(conversionData.PageWidth),
// PaperHeight = cm2inch(conversionData.PageHeight)
PaperWidth = mm2inch(conversionData.PageWidth),
PaperHeight = mm2inch(conversionData.PageHeight)
};
// await System.Threading.Tasks.Task2.Delay(300);
if (conversionData.ChromiumActions.HasFlag(ChromiumActions_t.GetVersion))
{
try
{
System.Diagnostics.Debug.WriteLine("Getting browser-version");
MasterDevs.ChromeDevTools.CommandResponse <GetVersionCommandResponse> version =
await chromeSession.SendAsync(new GetVersionCommand());
System.Diagnostics.Debug.WriteLine("Got browser-version");
conversionData.Version = version.Result;
}
catch (System.Exception ex)
{
conversionData.Exception = ex;
System.Diagnostics.Debug.WriteLine(ex.Message);
}
} // End if (conversionData.ChromiumActions.HasFlag(ChromiumActions_t.GetVersion))
if (conversionData.ChromiumActions.HasFlag(ChromiumActions_t.ConvertToImage))
{
try
{
System.Diagnostics.Debug.WriteLine("Taking screenshot");
MasterDevs.ChromeDevTools.CommandResponse <CaptureScreenshotCommandResponse> screenshot =
await chromeSession.SendAsync(new CaptureScreenshotCommand { Format = "png" });
System.Diagnostics.Debug.WriteLine("Screenshot taken.");
conversionData.PngData = System.Convert.FromBase64String(screenshot.Result.Data);
}
catch (System.Exception ex)
{
conversionData.Exception = ex;
System.Diagnostics.Debug.WriteLine(ex.Message);
}
} // End if (conversionData.ChromiumActions.HasFlag(ChromiumActions_t.ConvertToImage))
if (conversionData.ChromiumActions.HasFlag(ChromiumActions_t.ConvertToPdf))
{
try
{
System.Diagnostics.Debug.WriteLine("Printing PDF");
MasterDevs.ChromeDevTools.CommandResponse <PrintToPDFCommandResponse> pdf =
await chromeSession.SendAsync(printCommand2);
System.Diagnostics.Debug.WriteLine("PDF printed.");
conversionData.PdfData = System.Convert.FromBase64String(pdf.Result.Data);
}
catch (System.Exception ex)
{
conversionData.Exception = ex;
System.Diagnostics.Debug.WriteLine(ex.Message);
}
} // End if (conversionData.ChromiumActions.HasFlag(ChromiumActions_t.ConvertToPdf))
System.Console.WriteLine("Closing page");
await ClosePage(chromeSession, navigateResponse.Result.FrameId, true);
System.Console.WriteLine("Page closed");
} // End Using connectionInfo
} // End Sub ConvertDataAsync
