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Updated ZoomageView: To add new on doubleclicklistener #101

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Updated ZoomageView: To add new on doubleclicklistener #101

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30 changes: 30 additions & 0 deletions zoomage/src/main/java/com/jsibbold/zoomage/ZoomageView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,9 @@ public class ZoomageView extends AppCompatImageView implements OnScaleGestureLis
private boolean doubleTapDetected = false;
private boolean singleTapDetected = false;

//listener
private onZoomageViewDoubleClickListener doubleClickListener;

public ZoomageView(Context context) {
super(context);
init(context, null);
Expand Down Expand Up @@ -387,6 +390,15 @@ public void setImageBitmap(Bitmap bm) {
setScaleType(startScaleType);
}

/**
* the zoomage double click listener
*
* @param doubleClickListener The double click listener
*/
public void setOnDoubleClickListener(onZoomageViewDoubleClickListener doubleClickListener){
this.doubleClickListener = doubleClickListener;
}

/**
* {@inheritDoc}
*/
Expand Down Expand Up @@ -477,7 +489,16 @@ public boolean onTouchEvent(MotionEvent event) {
zoomMatrix.postScale(doubleTapToZoomScaleFactor, doubleTapToZoomScaleFactor, scaleDetector.getFocusX(), scaleDetector.getFocusY());
animateScaleAndTranslationToMatrix(zoomMatrix, RESET_DURATION);
}
//notify onclick listeners
doubleClickListener.onDoubleClick(doubleTapToZoom);
//rest double Tap detected
doubleTapDetected = false;
return true;
}else if (!doubleTapToZoom && doubleTapDetected) {
//notify onclick listeners
doubleClickListener.onDoubleClick(doubleTapToZoom);
//rest double Tap detected
doubleTapDetected = false;
} else if (!singleTapDetected) {
/* if the event is a down touch, or if the number of touch points changed,
* we should reset our start point, as event origins have likely shifted to a
Expand Down Expand Up @@ -915,4 +936,13 @@ public void onAnimationCancel(Animator animation) {
public void onAnimationRepeat(Animator animation) {
}
}

public interface onZoomageViewDoubleClickListener{
/**
* Called on double click.
*
* @param isDoubleTapToZoom Indicates if double tap was made as zoom action
*/
public void onDoubleClick(boolean isDoubleTapToZoom);
}
}