// Display a determinate progress indicator
public void progressStart(string options)
{
string[] args = JSON.JsonHelper.Deserialize <string[]>(options);
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
if (frame != null)
{
PhoneApplicationPage page = frame.Content as PhoneApplicationPage;
if (page != null)
{
var temp = page.FindName("LayoutRoot");
Grid grid = temp as Grid;
if (grid != null)
{
if (progressLayer != null)
{
grid.Children.Remove(progressLayer);
}
progressLayer = new ProgressLayer();
progressLayer.IsEnabled = true;
progressLayer.progressBar.IsIndeterminate = false;
progressLayer.progressBar.Maximum = 100;
progressLayer.title.Text = args[0];
progressLayer.message.Text = args[1];
grid.Children.Add(progressLayer);
}
}
}
});
}
// Display an indeterminate progress indicator
public void activityStart(string options)
{
string[] args = JSON.JsonHelper.Deserialize <string[]>(options);
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
if (frame != null)
{
PhoneApplicationPage page = frame.Content as PhoneApplicationPage;
if (page != null)
{
var temp = page.FindName("LayoutRoot");
Grid grid = temp as Grid;
if (grid != null)
{
if (progressLayer != null)
{
grid.Children.Remove(progressLayer);
}
progressLayer = new ProgressLayer();
progressLayer.IsEnabled = true;
progressLayer.title.Text = !String.IsNullOrEmpty(args[0]) ? args[0] : args[1];
if (!String.IsNullOrEmpty(args[0]) && !String.IsNullOrEmpty(args[1]))
{
progressLayer.message.Text = args[1];
}
grid.Children.Add(progressLayer);
}
}
}
});
}
private void StopAnimating()
{
if (!IsAnimating)
{
return;
}
ProgressLayer.RemoveAnimation(KNBCircleRotationAnimationKey);
ProgressLayer.RemoveAnimation(KNBCircleStrokeAnimationKey);
_isAnimating = false;
if (HidesWhenStopped)
{
Hidden = true;
}
}
// Remove our determinate progress indicator
public void progressStop(string unused)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
if (progressLayer != null)
{
progressLayer.IsEnabled = false;
PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
if (frame != null)
{
PhoneApplicationPage page = frame.Content as PhoneApplicationPage;
if (page != null)
{
Grid grid = page.FindName("LayoutRoot") as Grid;
if (grid != null)
{
grid.Children.Remove(progressLayer);
}
}
}
progressLayer = null;
}
});
}
public void StartAnimating()
{
if (IsAnimating)
{
return;
}
CABasicAnimation animation = new CABasicAnimation();
animation.KeyPath = "transform.rotation";
animation.Duration = 4.0;
animation.From = new NSNumber(0.0f);
animation.To = new NSNumber(2 * Math.PI);
animation.RepeatCount = float.MaxValue;
animation.TimingFunction = _timingFunction;
ProgressLayer.AddAnimation(animation, KNBCircleRotationAnimationKey);
CABasicAnimation headAnimation = new CABasicAnimation();
headAnimation.KeyPath = "strokeStart";
headAnimation.Duration = 1.0;
headAnimation.From = new NSNumber(0.0);
headAnimation.To = new NSNumber(0.25);
headAnimation.TimingFunction = _timingFunction;
CABasicAnimation tailAnimation = new CABasicAnimation();
tailAnimation.KeyPath = "strokeEnd";
tailAnimation.Duration = 1.0;
tailAnimation.From = new NSNumber(0.0);
tailAnimation.To = new NSNumber(1.0);
tailAnimation.TimingFunction = _timingFunction;
CABasicAnimation endHeadAnimation = new CABasicAnimation();
endHeadAnimation.KeyPath = "strokeStart";
endHeadAnimation.BeginTime = 1.0;
endHeadAnimation.Duration = 0.5;
endHeadAnimation.From = new NSNumber(0.25);
endHeadAnimation.To = new NSNumber(1.0);
endHeadAnimation.TimingFunction = _timingFunction;
CABasicAnimation endTailAnimation = new CABasicAnimation();
endTailAnimation.KeyPath = "strokeEnd";
endTailAnimation.BeginTime = 1.0;
endTailAnimation.Duration = 0.5;
endTailAnimation.From = new NSNumber(1.0);
endTailAnimation.To = new NSNumber(1.0);
endTailAnimation.TimingFunction = _timingFunction;
CAAnimationGroup animations = new CAAnimationGroup();
animations.Duration = 1.5;
animations.Animations = new CAAnimation[] { headAnimation, tailAnimation, endHeadAnimation, endTailAnimation };
animations.RepeatCount = float.MaxValue;
ProgressLayer.AddAnimation(animations, KNBCircleStrokeAnimationKey);
_isAnimating = true;
if (HidesWhenStopped)
{
Hidden = false;
}
}
