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www/bower_components/angular-material/modules/js/content/content.js

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+/*!
+ * Angular Material Design
+ * https://github.com/angular/material
+ * @license MIT
+ * v1.1.3
+ */
+(function( window, angular, undefined ){
+"use strict";
+
+/**
+ * @ngdoc module
+ * @name material.components.content
+ *
+ * @description
+ * Scrollable content
+ */
+mdContentDirective['$inject'] = ["$mdTheming"];
+angular.module('material.components.content', [
+  'material.core'
+])
+  .directive('mdContent', mdContentDirective);
+
+/**
+ * @ngdoc directive
+ * @name mdContent
+ * @module material.components.content
+ *
+ * @restrict E
+ *
+ * @description
+ *
+ * The `<md-content>` directive is a container element useful for scrollable content. It achieves
+ * this by setting the CSS `overflow` property to `auto` so that content can properly scroll.
+ *
+ * In general, `<md-content>` components are not designed to be nested inside one another. If
+ * possible, it is better to make them siblings. This often results in a better user experience as
+ * having nested scrollbars may confuse the user.
+ *
+ * ## Troubleshooting
+ *
+ * In some cases, you may wish to apply the `md-no-momentum` class to ensure that Safari's
+ * momentum scrolling is disabled. Momentum scrolling can cause flickering issues while scrolling
+ * SVG icons and some other components.
+ *
+ * Additionally, we now also offer the `md-no-flicker` class which can be applied to any element
+ * and uses a Webkit-specific filter of `blur(0px)` that forces GPU rendering of all elements
+ * inside (which eliminates the flicker on iOS devices).
+ *
+ * _<b>Note:</b> Forcing an element to render on the GPU can have unintended side-effects, especially
+ * related to the z-index of elements. Please use with caution and only on the elements needed._
+ *
+ * @usage
+ *
+ * Add the `[layout-padding]` attribute to make the content padded.
+ *
+ * <hljs lang="html">
+ *  <md-content layout-padding>
+ *      Lorem ipsum dolor sit amet, ne quod novum mei.
+ *  </md-content>
+ * </hljs>
+ */
+
+function mdContentDirective($mdTheming) {
+  return {
+    restrict: 'E',
+    controller: ['$scope', '$element', ContentController],
+    link: function(scope, element) {
+      element.addClass('_md');     // private md component indicator for styling
+
+      $mdTheming(element);
+      scope.$broadcast('$mdContentLoaded', element);
+
+      iosScrollFix(element[0]);
+    }
+  };
+
+  function ContentController($scope, $element) {
+    this.$scope = $scope;
+    this.$element = $element;
+  }
+}
+
+function iosScrollFix(node) {
+  // IOS FIX:
+  // If we scroll where there is no more room for the webview to scroll,
+  // by default the webview itself will scroll up and down, this looks really
+  // bad.  So if we are scrolling to the very top or bottom, add/subtract one
+  angular.element(node).on('$md.pressdown', function(ev) {
+    // Only touch events
+    if (ev.pointer.type !== 't') return;
+    // Don't let a child content's touchstart ruin it for us.
+    if (ev.$materialScrollFixed) return;
+    ev.$materialScrollFixed = true;
+
+    if (node.scrollTop === 0) {
+      node.scrollTop = 1;
+    } else if (node.scrollHeight === node.scrollTop + node.offsetHeight) {
+      node.scrollTop -= 1;
+    }
+  });
+}
+
+})(window, window.angular);