fix(autocomplete): clicking on the scrollbar will no longer close

dropdown

Closes #4785
Closes #4625

src/components/autocomplete/js/autocompleteController.js

@@ -251,6 +251,7 @@ function MdAutocompleteCtrl ($scope, $element, $mdUtil, $mdConstant, $mdTheming,
  * When the user's mouse leaves the menu, blur events may hide the menu again.
  */
  function onListLeave () {
+ if (!hasFocus) elements.input.focus();
  noBlur = false;
  ctrl.hidden = shouldHide();
  }
@@ -358,8 +359,8 @@ function MdAutocompleteCtrl ($scope, $element, $mdUtil, $mdConstant, $mdTheming,
  * Handles input blur event, determines if the dropdown should hide.
  */
  function blur () {
+ hasFocus = false;
  if (!noBlur) {
- hasFocus = false;
  ctrl.hidden = shouldHide();
  }
  }
@@ -496,11 +497,7 @@ function MdAutocompleteCtrl ($scope, $element, $mdUtil, $mdConstant, $mdTheming,
  * @returns {boolean}
  */
  function shouldHide () {
- if ((ctrl.loading && !hasMatches()) || hasSelection() || !hasFocus) {
- return true;
- }
-
- return !shouldShow();
+ return (ctrl.loading && !hasMatches() || hasSelection() || !hasFocus) || !shouldShow();
  }
 
  /**

src/components/autocomplete/js/autocompleteDirective.js

@@ -173,15 +173,15 @@ function MdAutocomplete () {
  <md-virtual-repeat-container\
  md-auto-shrink\
  md-auto-shrink-min="1"\
+ ng-mouseenter="$mdAutocompleteCtrl.listEnter()"\
+ ng-mouseleave="$mdAutocompleteCtrl.listLeave()"\
+ ng-mouseup="$mdAutocompleteCtrl.mouseUp()"\
  ng-hide="$mdAutocompleteCtrl.hidden"\
  class="md-autocomplete-suggestions-container md-whiteframe-z1"\
  role="presentation">\
  <ul class="md-autocomplete-suggestions"\
  ng-class="::menuClass"\
- id="ul-{{$mdAutocompleteCtrl.id}}"\
- ng-mouseenter="$mdAutocompleteCtrl.listEnter()"\
- ng-mouseleave="$mdAutocompleteCtrl.listLeave()"\
- ng-mouseup="$mdAutocompleteCtrl.mouseUp()">\
+ id="ul-{{$mdAutocompleteCtrl.id}}">\
  <li md-virtual-repeat="item in $mdAutocompleteCtrl.matches"\
  ng-class="{ selected: $index === $mdAutocompleteCtrl.index }"\
  ng-click="$mdAutocompleteCtrl.select($index)"\