-/**
- * We take child and its parent as arguments separatly to
- * handle situation where child was removed from WLXMLDocument
- * and it lost reference to its parent (but we may still have it on canvas).
-*/
-var findCanvasElementInParent = function(wlxmlChildNode, wlxmlParentNode) {
- var parentElement, toret;
-
- if(wlxmlParentNode === null) {
- toret = wlxmlChildNode.getData('canvasElement');
- if(toret.parent()) {
- throw new Error('This should never happen: root canvas element doesn\'t render root document node!');
- }
- } else {
- parentElement = findCanvasElement(wlxmlParentNode);
- parentElement.children().forEach(function(child) {
- if(child.data('wlxmlNode').sameNode(wlxmlChildNode)) {
- toret = child;
- }
- });
+var caretPositionFromPoint = function(x, y) {
+ /* globals document */
+ var range, textNode, offset;
+ if(document.caretPositionFromPoint) {
+ range = document.caretPositionFromPoint(x, y);
+ textNode = range.offsetNode;
+ offset = range.offset;
+ } else if(document.caretRangeFromPoint) {
+ range = document.caretRangeFromPoint(x, y);
+ textNode = range.startContainer;
+ offset = range.startOffset;