private void TimerTickState()
{
bool fade = false;
FadeItem init = new FadeItem {
Color = this.settings.RunningColor,
Time = this.settings.Duration
};
FadeItem dest = new FadeItem {
Color = default(Color),
Time = default(int),
};
switch (this.TimerState) {
case TimerState.Running:
{
if (this.settings.HasFirstWarning)
{
fade = true;
init.Color = this.settings.RunningColor;
init.Time = this.settings.Duration;
if (this.settings.CounterMode == TimerViewSettings.TimerCounterMode.CountUp) {
init.Time = 0;
}
dest.Color = this.settings.WarningColor;
dest.Time = this.settings.WarningTime;
}
break;
}
case TimerState.FirstWarning:
{
fade = true;
init.Color = this.settings.WarningColor;
init.Time = this.settings.WarningTime;
if (this.settings.HasSecondWarning) {
dest.Color = this.settings.SecondWarningColor;
dest.Time = this.settings.SecondWarningTime;
} else {
dest.Color = this.settings.ExpiredColor;
dest.Time = 0;
if (this.settings.CounterMode == TimerViewSettings.TimerCounterMode.CountUp) {
dest.Time = this.settings.Duration;
}
}
// this.TimerColor = this.settings.WarningColor;
break;
}
case TimerState.SecondWarning:
{
fade = true;
init.Color = this.settings.SecondWarningColor;
init.Time = this.settings.SecondWarningTime;
dest.Color = this.settings.ExpiredColor;
dest.Time = 0;
if (this.settings.CounterMode == TimerViewSettings.TimerCounterMode.CountUp) {
dest.Time = this.settings.Duration;
}
// this.TimerColor = this.settings.WarningColor;
break;
}
case TimerState.Expired:
{
this.TimerColor = this.settings.ExpiredColor;
if (this.settings.BlinkOnExpired) {
if (!this.blinkManager.IsBlinking) {
this.blinkManager.StartBlinking ();
this.OnTimeExpired ();
}
} else {
this.OnTimeExpired ();
}
break;
}
case TimerState.Stopped:
{
this.StopTimer ();
if (!this.DisplayFinalMessage ()) {
this.DisplayTimeElapsed (this.CurrentTime);
}
break;
}
default:
break;
}
if (fade)
{
this.FadeTimerColor (init, dest);
}
}
private void FadeTimerColor(FadeItem init, FadeItem dest)
{
int fadeIndex = (int)(init.Time - this.CurrentTime);
int steps = (int)(init.Time - dest.Time);
if (fadeIndex < steps && steps > 1) {
var oldR = init.Color.R;
var oldG = init.Color.G;
var oldB = init.Color.B;
var newR = dest.Color.R;
var newG = dest.Color.G;
var newB = dest.Color.B;
var r = oldR + ((fadeIndex * (newR - oldR)) / (steps - 1));
var g = oldG + ((fadeIndex * (newG - oldG)) / (steps - 1));
var b = oldB + ((fadeIndex * (newB - oldB)) / (steps - 1));
this.TimerColor = Color.FromArgb (r, g, b);
}
}