micro added; compression imporved

Author: asvd

dragscroll.js

@@ -24,6 +24,8 @@ function (exports) {
     var mousedown='mousedown';
     var addEventListener = 'addEventListener';
     var removeEventListener = 'removeEventListener';
+    var clientX = 'clientX';
+    var clientY = 'clientY';
 
 
     /**
@@ -55,8 +57,8 @@ function (exports) {
 
         el.md = function(e) {
             pushed = true;
-            lastClientX = e.clientX;
-            lastClientY = e.clientY;
+            lastClientX = e[clientX];
+            lastClientY = e[clientY];
 
             e.preventDefault();
             e.stopPropagation();
@@ -72,11 +74,11 @@ function (exports) {
             var scroller = get_scroller(el);
 
             if (pushed) {
-                scroller.scrollLeft -= (e.clientX - lastClientX);
-                scroller.scrollTop -= (e.clientY - lastClientY);
+                scroller.scrollLeft -= (e[clientX] - lastClientX);
+                scroller.scrollTop -= (e[clientY] - lastClientY);
 
-                lastClientX = e.clientX;
-                lastClientY = e.clientY;
+                lastClientX = e[clientX];
+                lastClientY = e[clientY];
             }
         }
 

dragscroll_micro.js

@@ -0,0 +1,34 @@
+window.addEventListener("load", function() {
+    var addEventListener = 'addEventListener';
+    var clientX = 'clientX';
+    var clientY = 'clientY';
+    var elems = document.getElementsByClassName('dragscroll');
+    for (var i = 0; i < elems.length; i++) {
+        (function(elem, lastClientX, lastClientY, pushed) {
+            elem[addEventListener]('mousedown', function(e) {
+                pushed = true;
+                lastClientX = e[clientX];
+                lastClientY = e[clientY];
+
+                e.preventDefault();
+                e.stopPropagation();
+            }, false);
+            
+            window[addEventListener]('mousemove', function(e) {
+                if (pushed) {
+                    elem.scrollLeft -= (e[clientX] - lastClientX);
+                    elem.scrollTop -= (e[clientY] - lastClientY);
+
+                    lastClientX = e[clientX];
+                    lastClientY = e[clientY];
+                }
+            }, false);
+             
+            window[addEventListener]('mouseup', function(){
+                pushed = false;
+            }, false);
+
+         })(elems[i]);
+    }
+}, false);
+