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/*
********************************************************************************
* Copyright (c) 2012 Samsung Electronics, Inc.
* All rights reserved.
*
* This software is a confidential and proprietary information of Samsung
* Electronics, Inc. ("Confidential Information"). You shall not disclose such
* Confidential Information and shall use it only in accordance with the terms
* of the license agreement you entered into with Samsung Electronics.
********************************************************************************
*/
package us.minak;
import java.util.LinkedList;
import java.util.List;
import android.content.Context;
import android.gesture.Gesture;
import android.gesture.GestureLibrary;
import android.gesture.GestureOverlayView;
import android.gesture.GestureOverlayView.OnGesturePerformedListener;
import android.gesture.Prediction;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
/**
* Represent a space where drawing gestures are performed.
*/
public class IMEGestureOverlayView extends GestureOverlayView implements OnGesturePerformedListener {
private static final double SCORE_TRESHOLD = 3.0;
private final GestureLibrary mGestureLibrary;
private StringReciever mOnGestureRecognizedListener;
public List<MetaCircle> circles = new LinkedList<MetaCircle>();
private final Paint mPaint = new Paint();
public IMEGestureOverlayView(Context context, AttributeSet attrs) {
super(context, attrs);
mGestureLibrary = SettingsUtil.getGestureLibrary(context);
mGestureLibrary.load();
addOnGesturePerformedListener(this);
}
public void setOnGestureRecognizedListener(StringReciever onGestureRecognizedListener) {
mOnGestureRecognizedListener = onGestureRecognizedListener;
}
@Override
public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) {
final List<Prediction> predictions = mGestureLibrary.recognize(gesture);
Prediction bestPrediction = null;
if (!predictions.isEmpty()) {
bestPrediction = predictions.get(0);
}
if (mOnGestureRecognizedListener != null && bestPrediction != null) {
if (bestPrediction.score > SCORE_TRESHOLD) {
mOnGestureRecognizedListener.putString(bestPrediction.name);
} else {
clear(false);
}
}
}
public void onDraw(Canvas canvas) {
for (MetaCircle circle : circles) {
mPaint.setColor(circle.color);
canvas.drawCircle(circle.x, circle.y, circle.radius, mPaint);
}
}
}
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