Fixed methods that use dimensions relative to a given WebElement

Author: Bobby Jap

src/main/java/io/appium/java_client/AppiumDriver.java

@@ -401,9 +401,10 @@ public void pinch(WebElement el) {
  Dimension dimensions = el.getSize();
  Point upperLeft = el.getLocation();
  Point center = new Point(upperLeft.getX() + dimensions.getWidth() / 2, upperLeft.getY() + dimensions.getHeight() / 2);
+ int yOffset = center.getY() - upperLeft.getY();
 
- TouchAction action0 = new TouchAction(this).press(el, center.getX(), center.getY() - 100).moveTo(el).release();
- TouchAction action1 = new TouchAction(this).press(el, center.getX(), center.getY() + 100).moveTo(el).release();
+ TouchAction action0 = new TouchAction(this).press(el, center.getX(), center.getY() - yOffset).moveTo(el).release();
+ TouchAction action1 = new TouchAction(this).press(el, center.getX(), center.getY() + yOffset).moveTo(el).release();
 
  multiTouch.add(action0).add(action1);
 
@@ -448,9 +449,10 @@ public void zoom(WebElement el) {
  Dimension dimensions = el.getSize();
  Point upperLeft = el.getLocation();
  Point center = new Point(upperLeft.getX() + dimensions.getWidth() / 2, upperLeft.getY() + dimensions.getHeight() / 2);
+ int yOffset = center.getY() - upperLeft.getY();
 
- TouchAction action0 = new TouchAction(this).press(el).moveTo(el, center.getX(), center.getY() - 100).release();
- TouchAction action1 = new TouchAction(this).press(el).moveTo(el, center.getX(), center.getY() + 100).release();
+ TouchAction action0 = new TouchAction(this).press(el).moveTo(el, center.getX(), center.getY() - yOffset).release();
+ TouchAction action1 = new TouchAction(this).press(el).moveTo(el, center.getX(), center.getY() + yOffset).release();
 
  multiTouch.add(action0).add(action1);