private void EvaluateConfidence(object sender, EmotionEventArgs e)
{
/* The quiz instance lives within this class (not ProblemPage.xaml.cs)
* so increment the number of times emotion values have been analyzed
* for the quiz class object. This is not always 1:1 with the number
* of answered problems because a bad picture may be taken with no results.
*/
quiz.AddEmotionsForLastSolvedProblem(e.Anger, e.Contempt, e.Disgust,
e.Fear, e.Happiness, e.Neutral,
e.Sadness, e.Surprise);
//If the last math problem has been solved, then the results screen
//is being shown and we do not need to generate the last problem.
if (MathProblems.Count != 0)
{
//Generate a new problem only if the user got the answer correct
//but was not confident
if (quiz.WasPreviousAnswerCorrect && !quiz.IsUserConfident(e))
{
var newProblemQueue = quiz.GenerateMathProblems(1);
MathProblems.Enqueue(newProblemQueue.Dequeue());
quiz.NumberOfGeneratedProblems++;
}
}
else
{
/* This means the results screen is showing, so raise event letting
* the results screen know that the average confidence has been
* returned and calculated.
*/
ResultsScreenDataReady(this, new ConfidenceEventArgs(quiz.ConfidenceAverage));
}
}
public void HintRequested(object sender, EventArgs e)
{
//Enqueue a new problem when user requests a hint
var newProblemQueue = quiz.GenerateMathProblems(1);
MathProblems.Enqueue(newProblemQueue.Dequeue());
quiz.NumberOfGeneratedProblems++;
}