/// <summary>
/// Initializes a new instance of the <see cref="KSPictureLoginLib.KSPictureLoginController"/> class.
/// </summary>
/// <param name="factory">Factory class used to create specific instances of objects. A default factory is used if this is NULL.</param>
public KSPictureLoginController(IKSPictureLoginFactory factory = null)
: base()
{
this.gestureCollection = new KSPictureLoginGestureCollection ();
if(factory == null)
{
factory = new KSPictureLoginDefaultFactory ();
}
this.Factory = factory;
}
public bool VerifyGestures(KSPictureLoginGestureCollection drawnGestures, KSPictureLoginGestureCollection storedGestures, RectangleF drawingViewRect)
{
// TODO: Show a spinner. Maybe using the progress HUD from the component store?
if (storedGestures == null || drawnGestures.Count != storedGestures.Count)
{
KSPictureLoginGlobal.Log ("Cannot verify. Number of drawn gestures does not match number of gestures to verify.");
return false;
}
bool allGesturesMatched = true;
// Loop all recorded gestures. These are the ones the user has just drawn and these
// need to be compared to the ones we got passed as GesturesToVerify.
for (int verifyIndex = 0; verifyIndex < drawnGestures.Count; verifyIndex++)
{
// Compare the first drawn gesture against the first stored, then the 2nd and so on.
// The user has to draw as many gestures as there are stored in order to pass verfication.
var verifyGesture = storedGestures [verifyIndex];
var storedGesture = drawnGestures[verifyIndex];
// If the type of the drawn gesture does not match the one to compare to: fail.
if(verifyGesture == null || storedGesture == null || (verifyGesture.GetType() != storedGesture.GetType()))
{
allGesturesMatched = false;
break;
}
bool matched = false;
if (verifyGesture is KSPictureLoginPathGesture)
{
matched = this.VerifyPathGestures ((KSPictureLoginPathGesture)verifyGesture, (KSPictureLoginPathGesture)storedGesture, drawingViewRect);
}
else if(verifyGesture is KSPictureLoginTapGesture)
{
matched = this.VerifyTapGestures ((KSPictureLoginTapGesture)verifyGesture, (KSPictureLoginTapGesture)storedGesture, drawingViewRect);
}
else
{
KSPictureLoginGlobal.Log ("Unknown gesture type '{0}' cannot be verified.", verifyGesture);
allGesturesMatched = false;
break;
}
if (!matched)
{
allGesturesMatched = false;
break;
}
}
KSPictureLoginGlobal.Log ("Gesture collection verfication result: {0}", allGesturesMatched);
return allGesturesMatched;
}
/// <summary>
/// Clears the gestures recorded so far. Triggers the user's callback if registered.
/// </summary>
public void ClearGestures()
{
this.gestureCollection = new KSPictureLoginGestureCollection ();
this.currentPathGesture = null;
this.PictureLoginView.DrawingAreaView.ClearGestures ();
}
/// <summary>
/// Visualizes the gestures.
/// </summary>
/// <param name="coll">gesture collection to visualize</param>
/// <param name="debug">If set to <c>true</c>, visualize for debugging.</param>
public virtual void VisualizeGestures(KSPictureLoginGestureCollection coll, bool debug)
{
if(coll == null)
{
return;
}
// Translate gesture paths to new resolution.
foreach(var gesture in coll)
{
if(gesture is KSPictureLoginTapGesture)
{
var location = ((KSPictureLoginTapGesture)gesture).Location.ScaleLocation(this.PictureLoginView.DrawingAreaView.Bounds.Size);
this.PictureLoginView.DrawingAreaView.AddTapGesture(location, debug);
}
else if(gesture is KSPictureLoginPathGesture)
{
var path = ((KSPictureLoginPathGesture)gesture).Path;
var location = path[0].ScaleLocation(this.PictureLoginView.DrawingAreaView.Bounds.Size);
this.PictureLoginView.DrawingAreaView.StartPathGesture (location, debug);
if(path.Count > 1)
{
for(int i = 1; i < path.Count; i++)
{
location = path[i].ScaleLocation(this.PictureLoginView.DrawingAreaView.Bounds.Size);
this.PictureLoginView.DrawingAreaView.ContinuePathGesture (location, debug);
}
}
}
}
this.PictureLoginView.SetNeedsDisplay ();
}
/// <summary>
/// Initializes a new instance of the <see cref="KSPictureLoginLib.KSPictureLoginController"/> class.
/// </summary>
/// <param name="GesturesToVerify">the gesture collection to init the controller with. Use this constructor if you want to verify a recorded gesture.</param>
/// <param name="image">Image to show</param>
/// <param name="factory">Factory class used to create specific instances of objects. A default factory is used if this is NULL.</param>
public KSPictureLoginController(KSPictureLoginGestureCollection GesturesToVerify, UIImage image, IKSPictureLoginFactory factory = null)
: this(image, factory)
{
this.GesturesToVerify = GesturesToVerify;
}
