Factor out common DOM functions.

1 files changed, 0 insertions, 63 deletions

diff --git a/lib/utils.js b/lib/utils.js
index 6526fe89..df325138 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -12,69 +12,6 @@ var utils = {
     return func.apply(obj, argArray);
   },
 
-  /*
-   * Takes an array of XPath selectors, adds the necessary namespaces (currently only XHTML), and applies them
-   * to the document root. The namespaceResolver in evaluateXPath should be kept in sync with the namespaces
-   * here.
-   */
-  makeXPath: function(elementArray) {
-    var xpath = [];
-    for (var i in elementArray)
-      xpath.push("//" + elementArray[i], "//xhtml:" + elementArray[i]);
-    return xpath.join(" | ");
-  },
-
-  evaluateXPath: function(xpath, resultType) {
-    function namespaceResolver(namespace) {
-      return namespace == "xhtml" ? "http://www.w3.org/1999/xhtml" : null;
-    }
-    return document.evaluate(xpath, document.documentElement, namespaceResolver, resultType, null);
-  },
-
-  /**
-   * Returns the first visible clientRect of an element if it exists. Otherwise it returns null.
-   */
-  getVisibleClientRect: function(element) {
-    // Note: this call will be expensive if we modify the DOM in between calls.
-    var clientRects = element.getClientRects();
-    var clientRectsLength = clientRects.length;
-
-    for (var i = 0; i < clientRectsLength; i++) {
-      if (clientRects[i].top < 0 || clientRects[i].top >= window.innerHeight - 4 ||
-          clientRects[i].left < 0 || clientRects[i].left  >= window.innerWidth - 4)
-        continue;
-
-      if (clientRects[i].width < 3 || clientRects[i].height < 3)
-        continue;
-
-      // eliminate invisible elements (see test_harnesses/visibility_test.html)
-      var computedStyle = window.getComputedStyle(element, null);
-      if (computedStyle.getPropertyValue('visibility') != 'visible' ||
-          computedStyle.getPropertyValue('display') == 'none')
-        continue;
-
-      return clientRects[i];
-    }
-
-    for (var i = 0; i < clientRectsLength; i++) {
-      // If the link has zero dimensions, it may be wrapping visible
-      // but floated elements. Check for this.
-      if (clientRects[i].width == 0 || clientRects[i].height == 0) {
-        for (var j = 0, childrenCount = element.children.length; j < childrenCount; j++) {
-          var computedStyle = window.getComputedStyle(element.children[j], null);
-          // Ignore child elements which are not floated and not absolutely positioned for parent elements with zero width/height
-          if (computedStyle.getPropertyValue('float') == 'none' && computedStyle.getPropertyValue('position') != 'absolute')
-            continue;
-          var childClientRect = this.getVisibleClientRect(element.children[j]);
-          if (childClientRect === null)
-            continue;
-          return childClientRect;
-        }
-      }
-    };
-    return null;
-  },
-
   /**
    * Creates a search URL from the given :query.
    */