Widevine sample player

For bug 4245169

Change-Id: Ie110d5603f19cd54878d2c4506e8ffad11207f10

proprietary/samplePlayer/src/com/widevine/demo/SwipeLinearLayout.java

@@ -0,0 +1,58 @@
+/*
+ * (c)Copyright 2011 Widevine Technologies, Inc
+ */
+
+package com.widevine.demo;
+
+import android.content.Context;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.LinearLayout;
+
+public class SwipeLinearLayout extends LinearLayout {
+    private View.OnClickListener prev;
+    private View.OnClickListener next;
+
+    float startX, startY, endX, endY;
+
+    public SwipeLinearLayout(Context c) {
+        super(c);
+    }
+
+    public void setNext(View.OnClickListener next) {
+        this.next = next;
+    }
+
+    public void setPrev(View.OnClickListener prev) {
+        this.prev = prev;
+    }
+
+    public boolean onTouchEvent(MotionEvent e) {
+        if (e.getAction() == MotionEvent.ACTION_DOWN) {
+            startX = e.getX();
+            startY = e.getY();
+            return true;
+        } else if (e.getAction() == MotionEvent.ACTION_UP) {
+            endX = e.getX();
+            endY = e.getY();
+
+            if (Math.abs(startY - endY) < 75) {
+                if ((startX - endX) > 200.0) {
+                    // go forward
+                    if (next != null) {
+                        next.onClick(null);
+                    }
+                } else if ((startX - endX) < -200.0) {
+                    // go back
+                    if (prev != null) {
+                        prev.onClick(null);
+                    }
+                }
+                startX = startY = endX = endY = 0;
+            }
+            return true;
+        }
+        return false;
+    }
+
+}