/// <summary>
/// Add a new printjob and check whether there were loading problems for earlier queued jobs
/// </summary>
/// <param name="html">The document we want to print as html source string</param>
/// <returns>Were there any loading problems detected with earlier queued jobs? Note: loading takes a bit of time! Success or fail is not clear immediately.</returns>
public bool AddPrintJob(string html)
{
bool loadingProblems = CleanUp();
//add the new job
PrintSender ps = new PrintSender();
ps.Send(html, errortitlerecogniser, WaitForPrint);
tasks.Enqueue(ps);
return(loadingProblems);
}
/// <summary>
/// Clean up the queue and check for loading problems
/// </summary>
/// <returns>Were there any loading problems in documents returned from the queue?</returns>
private bool CleanUp()
{
bool loadingproblems = false; //none detected yet
while (tasks.Any() && tasks.Peek().disposable)
{
PrintSender job = tasks.Dequeue();
if (job.loadingFailed)
{
loadingproblems = true;
}
job.Dispose();
}
return(loadingproblems);
}