1/**
 2 * @ngdoc object
 3 * @name ui.router.state.$uiViewScrollProvider
 4 *
 5 * @description
 6 * Provider that returns the {@link ui.router.state.$uiViewScroll} service function.
 7 */
 8function $ViewScrollProvider() {
 9
10  var useAnchorScroll = false;
11
12  /**
13   * @ngdoc function
14   * @name ui.router.state.$uiViewScrollProvider#useAnchorScroll
15   * @methodOf ui.router.state.$uiViewScrollProvider
16   *
17   * @description
18   * Reverts back to using the core [`$anchorScroll`](http://docs.angularjs.org/api/ng.$anchorScroll) service for
19   * scrolling based on the url anchor.
20   */
21  this.useAnchorScroll = function () {
22    useAnchorScroll = true;
23  };
24
25  /**
26   * @ngdoc object
27   * @name ui.router.state.$uiViewScroll
28   *
29   * @requires $anchorScroll
30   * @requires $timeout
31   *
32   * @description
33   * When called with a jqLite element, it scrolls the element into view (after a
34   * `$timeout` so the DOM has time to refresh).
35   *
36   * If you prefer to rely on `$anchorScroll` to scroll the view to the anchor,
37   * this can be enabled by calling {@link ui.router.state.$uiViewScrollProvider#methods_useAnchorScroll `$uiViewScrollProvider.useAnchorScroll()`}.
38   */
39  this.$get = ['$anchorScroll', '$timeout', function ($anchorScroll, $timeout) {
40    if (useAnchorScroll) {
41      return $anchorScroll;
42    }
43
44    return function ($element) {
45      $timeout(function () {
46        $element[0].scrollIntoView();
47      }, 0, false);
48    };
49  }];
50}
51
52angular.module('ui.router.state').provider('$uiViewScroll', $ViewScrollProvider);