/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="jsCode"></param>
/// <returns></returns>
public async Task <T> ExecuteJava <T>(string jsCode) where T : struct
{
return(await HtmlPage.EvaluateFunctionAsync <T>(jsCode));
// TODO: add await selector here!
}
public bool TryGrabPage(string url, out Task <Response> responseTsk, out Page page, bool inNewPage = false, bool?noImage = false)
{
if (!IsReady)
{
throw new Exception("Chromium instance is not ready yet.");
}
var pg = HtmlPage;
if (inNewPage)
{
Task.Run(async() =>
{
pg = await Browser.NewPageAsync();
if (!IsHeadless)
{
await pg.SetViewportAsync(new ViewPortOptions()
{
Width = 1024, Height = 842
});
}
}).Wait();
}
Task.Run(async() =>
{
if (noImage.HasValue && noImage.Value)
{
await pg.SetRequestInterceptionAsync(true);
// disable images to download
pg.Request += (sender, e) =>
{
if (e.Request.ResourceType == ResourceType.Image)
{
e.Request.AbortAsync().Wait();
}
else
{
e.Request.ContinueAsync().Wait();
}
};
}
}).Wait();
var catContTsk = pg.GoToAsync(url, WaitUntilNavigation.Networkidle2);
catContTsk.Wait();
var jsCode = @"() => {
const selector = document.querySelector('[class=""error-404""]');
return selector ? (selector.innerHTML || '') : '';
}";
var checkErrorTsk = HtmlPage.EvaluateFunctionAsync <string>(jsCode);
var checkError = checkErrorTsk.Result;
responseTsk = catContTsk;
page = pg;
if (!noImage.HasValue || !noImage.Value)
{
return(string.IsNullOrEmpty(checkError));
}
pg.SetRequestInterceptionAsync(false).Wait();
pg.Request -= null;
return(string.IsNullOrEmpty(checkError));
}
