1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java
new file mode 100644
index 000000000..513e0a606
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java
@@ -0,0 +1,57 @@
+package de.pixart.messenger.ui.interfaces;
+
+import android.content.Context;
+import android.util.Log;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+import de.pixart.messenger.Config;
+
+public class OnSwipeTouchListener implements View.OnTouchListener {
+
+    private final GestureDetector gestureDetector;
+
+    public OnSwipeTouchListener(Context context) {
+        gestureDetector = new GestureDetector(context, new GestureListener());
+    }
+
+    public void onSwipeLeft() {
+    }
+
+    public void onSwipeRight() {
+    }
+
+    public boolean onTouch(View v, MotionEvent event) {
+        return gestureDetector.onTouchEvent(event);
+    }
+
+    private final class GestureListener extends GestureDetector.SimpleOnGestureListener {
+
+        private static final int SWIPE_DISTANCE_THRESHOLD = 100;
+        private static final int SWIPE_VELOCITY_THRESHOLD = 100;
+
+        @Override
+        public boolean onDown(MotionEvent e) {
+            return true;
+        }
+
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            if (e1 == null || e2 == null) {
+                Log.d(Config.LOGTAG, "Error MotionEvent");
+                return false;
+            }
+            float distanceX = e2.getX() - e1.getX();
+            float distanceY = e2.getY() - e1.getY();
+            if (Math.abs(distanceX) > Math.abs(distanceY) && Math.abs(distanceX) > SWIPE_DISTANCE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
+                if (distanceX > 0)
+                    onSwipeRight();
+                else
+                    onSwipeLeft();
+                return true;
+            }
+            return false;
+        }
+    }
+}
+\ No newline at end of file