#160 Enum SwipeElementDirection is redesigned.

I have to redesign coordinate calculation and add the new swipe-method
to MobileElement.

Author: TikhomirovSergey

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

@@ -0,0 +1,12 @@
+package io.appium.java_client;
+
+import org.openqa.selenium.WebDriverException;
+
+public class IllegalCoordinatesException extends WebDriverException {
+	private static final long serialVersionUID = 1L;
+
+	public IllegalCoordinatesException(String message) {
+		super(message);
+	}
+
+}

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

@@ -70,6 +70,6 @@ public void zoom() {
 
 	@Override
 	public void swipe(SwipeElementDirection direction, int duration) {
-		direction.swipe((AppiumDriver) parent, this, duration);		
+		direction.swipe((AppiumDriver) parent, this, 0, 0, 0, 0, duration);		
 	}
 }

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

@@ -1,57 +1,67 @@
-package io.appium.java_client;
-
-import org.openqa.selenium.Dimension;
-import org.openqa.selenium.Point;
-
-public enum SwipeElementDirection {
-	/**
-	 * Up from the center of the lower
-	 */
-	UP{
-		@Override
-		void swipe(AppiumDriver driver, MobileElement element, int duration){
-			Point p = element.getCenter();
-			Point location = element.getLocation();
-			Dimension size = element.getSize();
-			driver.swipe(p.getX(), location.getY() + size.getHeight(), p.getX(), location.getY(), duration);
-		}
-	},
-	/**
-	 * Down from the center of the upper
-	 */
-	DOWN{
-		@Override
-		void swipe(AppiumDriver driver, MobileElement element, int duration){
-			Point p = element.getCenter();
-			Point location = element.getLocation();
-			Dimension size = element.getSize();
-			driver.swipe(p.getX(), location.getY(), p.getX(), location.getY() + size.getHeight(), duration);
-		}		
-	},
-	/**
-	 * To the left from the center of the rightmost
-	 */
-	LEFT{
-		@Override
-		void swipe(AppiumDriver driver, MobileElement element, int duration){
-			Point p = element.getCenter();
-			Point location = element.getLocation();
-			Dimension size = element.getSize();
-			driver.swipe(location.getX() + size.getWidth(), p.getY(), location.getX(), p.getY(), duration);
-		}		
-	},
-	/**
-	 * To the right from the center of the leftmost
-	 */
-	RIGHT{
-		@Override
-		void swipe(AppiumDriver driver, MobileElement element, int duration){
-			Point p = element.getCenter();
-			Point location = element.getLocation();
-			Dimension size = element.getSize();
-			driver.swipe(location.getX(), p.getY(), location.getX()+ size.getWidth(), p.getY(), duration);
-		}		
-	};
-	
-	void swipe(AppiumDriver driver, MobileElement element, int duration){}
-}
+package io.appium.java_client;
+
+import org.openqa.selenium.Dimension;
+import org.openqa.selenium.Point;
+
+public enum SwipeElementDirection {
+	/**
+	 * Up from the center of the lower
+	 */
+	UP{
+		@Override
+		void swipe(AppiumDriver driver, MobileElement element, 
+				int xOffsetStart, int xOffsetEnd, int yOffsetStart, 
+				int yOffsetEnd, int duration) throws IllegalCoordinatesException {			
+			Point p = element.getCenter();			
+			Point location = element.getLocation();
+			Dimension size = element.getSize();
+			driver.swipe(p.getX(), location.getY() + size.getHeight(), p.getX(), location.getY(), duration);
+		}
+	},
+	/**
+	 * Down from the center of the upper
+	 */
+	DOWN{
+		@Override
+		void swipe(AppiumDriver driver, MobileElement element, 
+				int xOffsetStart, int xOffsetEnd, int yOffsetStart, 
+				int yOffsetEnd, int duration) throws IllegalCoordinatesException {
+			Point p = element.getCenter();
+			Point location = element.getLocation();
+			Dimension size = element.getSize();
+			driver.swipe(p.getX(), location.getY(), p.getX(), location.getY() + size.getHeight(), duration);
+		}
+	},
+	/**
+	 * To the left from the center of the rightmost
+	 */
+	LEFT{
+		@Override
+		void swipe(AppiumDriver driver, MobileElement element, 
+				int xOffsetStart, int xOffsetEnd, int yOffsetStart, 
+				int yOffsetEnd, int duration) throws IllegalCoordinatesException {
+			Point p = element.getCenter();
+			Point location = element.getLocation();
+			Dimension size = element.getSize();
+			driver.swipe(location.getX() + size.getWidth(), p.getY(), location.getX(), p.getY(), duration);
+		}
+	},
+	/**
+	 * To the right from the center of the leftmost
+	 */
+	RIGHT{
+		@Override
+		void swipe(AppiumDriver driver, MobileElement element, 
+				int xOffsetStart, int xOffsetEnd, int yOffsetStart, 
+				int yOffsetEnd, int duration) throws IllegalCoordinatesException {
+			Point p = element.getCenter();
+			Point location = element.getLocation();
+			Dimension size = element.getSize();
+			driver.swipe(location.getX(), p.getY(), location.getX()+ size.getWidth(), p.getY(), duration);
+		}
+	};
+	
+	abstract void swipe(AppiumDriver driver, MobileElement element, 
+			int xOffsetStart, int xOffsetEnd, int yOffsetStart, 
+			int yOffsetEnd, int duration) throws IllegalCoordinatesException;
+}