text: /*!
   * Angular Material Design
   * https://github.com/angular/material
   * @license MIT
   * v1.1.0-rc.5
   */
  goog.provide('ng.material.components.navBar');
  goog.require('ng.material.core');
  /**
   * @ngdoc module
   * @name material.components.navBar
   */
  
  
  angular.module('material.components.navBar', ['material.core'])
      .controller('MdNavBarController', MdNavBarController)
      .directive('mdNavBar', MdNavBar)
      .controller('MdNavItemController', MdNavItemController)
      .directive('mdNavItem', MdNavItem);
  
  
  /*****************************************************************************
   *                            PUBLIC DOCUMENTATION                           *
   *****************************************************************************/
  /**
   * @ngdoc directive
   * @name mdNavBar
   * @module material.components.navBar
   *
   * @restrict E
   *
   * @description
   * The `<md-nav-bar>` directive renders a list of material tabs that can be used
   * for top-level page navigation. Unlike `<md-tabs>`, it has no concept of a tab
   * body and no bar pagination.
   *
   * Because it deals with page navigation, certain routing concepts are built-in.
   * Route changes via via ng-href, ui-sref, or ng-click events are supported.
   * Alternatively, the user could simply watch currentNavItem for changes.
   *
   * Accessibility functionality is implemented as a site navigator with a
   * listbox, according to
   * https://www.w3.org/TR/wai-aria-practices/#Site_Navigator_Tabbed_Style
   *
   * @param {string=} mdSelectedNavItem The name of the current tab; this must
   * match the name attribute of `<md-nav-item>`
   * @param {string=} navBarAriaLabel An aria-label for the nav-bar
   *
   * @usage
   * <hljs lang="html">
   *  <md-nav-bar md-selected-nav-item="currentNavItem">
   *    <md-nav-item md-nav-click="goto('page1')" name="page1">Page One</md-nav-item>
   *    <md-nav-item md-nav-sref="app.page2" name="page2">Page Two</md-nav-item>
   *    <md-nav-item md-nav-href="#page3" name="page3">Page Three</md-nav-item>
   *  </md-nav-bar>
   *</hljs>
   * <hljs lang="js">
   * (function() {
   *   ‘use strict’;
   *
   *    $rootScope.$on('$routeChangeSuccess', function(event, current) {
   *      $scope.currentLink = getCurrentLinkFromRoute(current);
   *    });
   * });
   * </hljs>
   */
  
  /*****************************************************************************
   *                            mdNavItem
   *****************************************************************************/
  /**
   * @ngdoc directive
   * @name mdNavItem
   * @module material.components.navBar
   *
   * @restrict E
   *
   * @description
   * `<md-nav-item>` describes a page navigation link within the `<md-nav-bar>`
   * component. It renders an md-button as the actual link.
   *
   * Exactly one of the mdNavClick, mdNavHref, mdNavSref attributes are required to be
   * specified.
   *
   * @param {Function=} mdNavClick Function which will be called when the
   * link is clicked to change the page. Renders as an `ng-click`.
   * @param {string=} mdNavHref url to transition to when this link is clicked.
   * Renders as an `ng-href`.
   * @param {string=} mdNavSref Ui-router state to transition to when this link is
   * clicked. Renders as a `ui-sref`.
   * @param {string=} name The name of this link. Used by the nav bar to know
   * which link is currently selected.
   *
   * @usage
   * See `<md-nav-bar>` for usage.
   */
  
  
  /*****************************************************************************
   *                                IMPLEMENTATION                             *
   *****************************************************************************/
  
  function MdNavBar($mdAria) {
    return {
      restrict: 'E',
      transclude: true,
      controller: MdNavBarController,
      controllerAs: 'ctrl',
      bindToController: true,
      scope: {
        'mdSelectedNavItem': '=?',
        'navBarAriaLabel': '@?',
      },
      template:
        '<div class="md-nav-bar">' +
          '<nav role="navigation">' +
            '<ul class="_md-nav-bar-list" layout="row" ng-transclude role="listbox"' +
              'tabindex="0"' +
              'ng-focus="ctrl.onFocus()"' +
              'ng-blur="ctrl.onBlur()"' +
              'ng-keydown="ctrl.onKeydown($event)"' +
              'aria-label="{{ctrl.navBarAriaLabel}}">' +
            '</ul>' +
          '</nav>' +
          '<md-nav-ink-bar></md-nav-ink-bar>' +
        '</div>',
      link: function(scope, element, attrs, ctrl) {
        if (!ctrl.navBarAriaLabel) {
          $mdAria.expectAsync(element, 'aria-label', angular.noop);
        }
      },
    };
  }
  MdNavBar.$inject = ["$mdAria"];
  
  /**
   * Controller for the nav-bar component.
   *
   * Accessibility functionality is implemented as a site navigator with a
   * listbox, according to
   * https://www.w3.org/TR/wai-aria-practices/#Site_Navigator_Tabbed_Style
   * @param {!angular.JQLite} $element
   * @param {!angular.Scope} $scope
   * @param {!angular.Timeout} $timeout
   * @param {!Object} $mdConstant
   * @constructor
   * @final
   * ngInject
   */
  function MdNavBarController($element, $scope, $timeout, $mdConstant) {
    // Injected variables
    /** @private @const {!angular.Timeout} */
    this._$timeout = $timeout;
  
    /** @private @const {!angular.Scope} */
    this._$scope = $scope;
  
    /** @private @const {!Object} */
    this._$mdConstant = $mdConstant;
  
    // Data-bound variables.
    /** @type {string} */
    this.mdSelectedNavItem;
  
    /** @type {string} */
    this.navBarAriaLabel;
  
    // State variables.
  
    /** @type {?angular.JQLite} */
    this._navBarEl = $element[0];
  
    /** @type {?angular.JQLite} */
    this._inkbar;
  
    var self = this;
    // need to wait for transcluded content to be available
    var deregisterTabWatch = this._$scope.$watch(function() {
      return self._navBarEl.querySelectorAll('._md-nav-button').length;
    },
    function(newLength) {
      if (newLength > 0) {
        self._initTabs();
        deregisterTabWatch();
      }
    });
  }
  MdNavBarController.$inject = ["$element", "$scope", "$timeout", "$mdConstant"];
  
  
  
  /**
   * Initializes the tab components once they exist.
   * @private
   */
  MdNavBarController.prototype._initTabs = function() {
    this._inkbar = angular.element(this._navBarEl.getElementsByTagName('md-nav-ink-bar')[0]);
  
    var self = this;
    this._$timeout(function() {
      self._updateTabs(self.mdSelectedNavItem, undefined);
    });
  
    this._$scope.$watch('ctrl.mdSelectedNavItem', function(newValue, oldValue) {
      // Wait a digest before update tabs for products doing
      // anything dynamic in the template.
      self._$timeout(function() {
        self._updateTabs(newValue, oldValue);
      });
    });
  };
  
  /**
   * Set the current tab to be selected.
   * @param {string|undefined} newValue New current tab name.
   * @param {string|undefined} oldValue Previous tab name.
   * @private
   */
  MdNavBarController.prototype._updateTabs = function(newValue, oldValue) {
    var tabs = this._getTabs();
  
    var oldIndex;
    if (oldValue) {
      var oldTab = this._getTabByName(oldValue);
      if (oldTab) {
        oldTab.setSelected(false);
        oldIndex = tabs.indexOf(oldTab);
      }
    }
  
    if (newValue) {
      var tab = this._getTabByName(newValue);
      if (tab) {
        tab.setSelected(true);
        var newIndex = tabs.indexOf(tab);
        var self = this;
        this._$timeout(function() {
          self._updateInkBarStyles(tab, newIndex, oldIndex);
        });
      }
    }
  };
  
  /**
   * Repositions the ink bar to the selected tab.
   * @private
   */
  MdNavBarController.prototype._updateInkBarStyles = function(tab, newIndex, oldIndex) {
    var tabEl = tab.getButtonEl();
    var left = tabEl.offsetLeft;
  
    this._inkbar.toggleClass('_md-left', newIndex < oldIndex)
        .toggleClass('_md-right', newIndex > oldIndex);
    this._inkbar.css({left: left + 'px', width: tabEl.offsetWidth + 'px'});
  };
  
  /**
   * Returns an array of the current tabs.
   * @return {!Array<!NavItemController>}
   * @private
   */
  MdNavBarController.prototype._getTabs = function() {
    var linkArray = Array.prototype.slice.call(
        this._navBarEl.querySelectorAll('.md-nav-item'));
    return linkArray.map(function(el) {
      return angular.element(el).controller('mdNavItem')
    });
  };
  
  /**
   * Returns the tab with the specified name.
   * @param {string} name The name of the tab, found in its name attribute.
   * @return {!NavItemController|undefined}
   * @private
   */
  MdNavBarController.prototype._getTabByName = function(name) {
    return this._findTab(function(tab) {
      return tab.getName() == name;
    });
  };
  
  /**
   * Returns the selected tab.
   * @return {!NavItemController|undefined}
   * @private
   */
  MdNavBarController.prototype._getSelectedTab = function() {
    return this._findTab(function(tab) {
      return tab.isSelected()
    });
  };
  
  /**
   * Returns the focused tab.
   * @return {!NavItemController|undefined}
   */
  MdNavBarController.prototype.getFocusedTab = function() {
    return this._findTab(function(tab) {
      return tab.hasFocus()
    });
  };
  
  /**
   * Find a tab that matches the specified function.
   * @private
   */
  MdNavBarController.prototype._findTab = function(fn) {
    var tabs = this._getTabs();
    for (var i = 0; i < tabs.length; i++) {
      if (fn(tabs[i])) {
        return tabs[i];
      }
    }
  
    return null;
  };
  
  /**
   * Direct focus to the selected tab when focus enters the nav bar.
   */
  MdNavBarController.prototype.onFocus = function() {
    var tab = this._getSelectedTab();
    if (tab) {
      tab.setFocused(true);
    }
  };
  
  /**
   * Clear tab focus when focus leaves the nav bar.
   */
  MdNavBarController.prototype.onBlur = function() {
    var tab = this.getFocusedTab();
    if (tab) {
      tab.setFocused(false);
    }
  };
  
  /**
   * Move focus from oldTab to newTab.
   * @param {!NavItemController} oldTab
   * @param {!NavItemController} newTab
   * @private
   */
  MdNavBarController.prototype._moveFocus = function(oldTab, newTab) {
    oldTab.setFocused(false);
    newTab.setFocused(true);
  };
  
  /**
   * Responds to keypress events.
   * @param {!Event} e
   */
  MdNavBarController.prototype.onKeydown = function(e) {
    var keyCodes = this._$mdConstant.KEY_CODE;
    var tabs = this._getTabs();
    var focusedTab = this.getFocusedTab();
    if (!focusedTab) return;
  
    var focusedTabIndex = tabs.indexOf(focusedTab);
  
    // use arrow keys to navigate between tabs
    switch (e.keyCode) {
      case keyCodes.UP_ARROW:
      case keyCodes.LEFT_ARROW:
        if (focusedTabIndex > 0) {
          this._moveFocus(focusedTab, tabs[focusedTabIndex - 1]);
        }
        break;
      case keyCodes.DOWN_ARROW:
      case keyCodes.RIGHT_ARROW:
        if (focusedTabIndex < tabs.length - 1) {
          this._moveFocus(focusedTab, tabs[focusedTabIndex + 1]);
        }
        break;
      case keyCodes.SPACE:
      case keyCodes.ENTER:
        // timeout to avoid a "digest already in progress" console error
        this._$timeout(function() {
          focusedTab.getButtonEl().click();
        });
        break;
    }
  };
  
  /**
   * ngInject
   */
  function MdNavItem($$rAF) {
    return {
      restrict: 'E',
      require: ['mdNavItem', '^mdNavBar'],
      controller: MdNavItemController,
      bindToController: true,
      controllerAs: 'ctrl',
      replace: true,
      transclude: true,
      template:
        '<li class="md-nav-item" role="option" aria-selected="{{ctrl.isSelected()}}">' +
          '<md-button ng-if="ctrl.mdNavSref" class="_md-nav-button md-accent"' +
            'ng-class="ctrl.getNgClassMap()"' +
            'tabindex="-1"' +
            'ui-sref="{{ctrl.mdNavSref}}">' +
            '<span ng-transclude class="_md-nav-button-text"></span>' +
          '</md-button>' +
          '<md-button ng-if="ctrl.mdNavHref" class="_md-nav-button md-accent"' +
            'ng-class="ctrl.getNgClassMap()"' +
            'tabindex="-1"' +
            'ng-href="{{ctrl.mdNavHref}}">' +
            '<span ng-transclude class="_md-nav-button-text"></span>' +
          '</md-button>' +
          '<md-button ng-if="ctrl.mdNavClick" class="_md-nav-button md-accent"' +
            'ng-class="ctrl.getNgClassMap()"' +
            'tabindex="-1"' +
            'ng-click="ctrl.mdNavClick()">' +
            '<span ng-transclude class="_md-nav-button-text"></span>' +
          '</md-button>' +
        '</li>',
      scope: {
        'mdNavClick': '&?',
        'mdNavHref': '@?',
        'mdNavSref': '@?',
        'name': '@',
      },
      link: function(scope, element, attrs, controllers) {
        var mdNavItem = controllers[0];
        var mdNavBar = controllers[1];
  
        // When accessing the element's contents synchronously, they
        // may not be defined yet because of transclusion. There is a higher chance
        // that it will be accessible if we wait one frame.
        $$rAF(function() {
          if (!mdNavItem.name) {
            mdNavItem.name = angular.element(element[0].querySelector('._md-nav-button-text'))
              .text().trim();
          }
  
          var navButton = angular.element(element[0].querySelector('._md-nav-button'));
          navButton.on('click', function() {
            mdNavBar.mdSelectedNavItem = mdNavItem.name;
            scope.$apply();
          });
        });
      }
    };
  }
  MdNavItem.$inject = ["$$rAF"];
  
  /**
   * Controller for the nav-item component.
   * @param {!angular.JQLite} $element
   * @constructor
   * @final
   * ngInject
   */
  function MdNavItemController($element) {
  
    /** @private @const {!angular.JQLite} */
    this._$element = $element;
  
    // Data-bound variables
    /** @const {?Function} */
    this.mdNavClick;
    /** @const {?string} */
    this.mdNavHref;
    /** @const {?string} */
    this.name;
  
    // State variables
    /** @private {boolean} */
    this._selected = false;
  
    /** @private {boolean} */
    this._focused = false;
  
    var hasNavClick = !!($element.attr('md-nav-click'));
    var hasNavHref = !!($element.attr('md-nav-href'));
    var hasNavSref = !!($element.attr('md-nav-sref'));
  
    // Cannot specify more than one nav attribute
    if ((hasNavClick ? 1:0) + (hasNavHref ? 1:0) + (hasNavSref ? 1:0) > 1) {
      throw Error(
          'Must specify exactly one of md-nav-click, md-nav-href, ' +
          'md-nav-sref for nav-item directive');
    }
  }
  MdNavItemController.$inject = ["$element"];
  
  /**
   * Returns a map of class names and values for use by ng-class.
   * @return {!Object<string,boolean>}
   */
  MdNavItemController.prototype.getNgClassMap = function() {
    return {
      'md-active': this._selected,
      'md-primary': this._selected,
      'md-unselected': !this._selected,
      'md-focused': this._focused,
    };
  };
  
  /**
   * Get the name attribute of the tab.
   * @return {string}
   */
  MdNavItemController.prototype.getName = function() {
    return this.name;
  };
  
  /**
   * Get the button element associated with the tab.
   * @return {!Element}
   */
  MdNavItemController.prototype.getButtonEl = function() {
    return this._$element[0].querySelector('._md-nav-button');
  };
  
  /**
   * Set the selected state of the tab.
   * @param {boolean} isSelected
   */
  MdNavItemController.prototype.setSelected = function(isSelected) {
    this._selected = isSelected;
  };
  
  /**
   * @return {boolean}
   */
  MdNavItemController.prototype.isSelected = function() {
    return this._selected;
  };
  
  /**
   * Set the focused state of the tab.
   * @param {boolean} isFocused
   */
  MdNavItemController.prototype.setFocused = function(isFocused) {
    this._focused = isFocused;
  };
  
  /**
   * @return {boolean}
   */
  MdNavItemController.prototype.hasFocus = function() {
    return this._focused;
  };
  
  ng.material.components.navBar = angular.module("material.components.navBar");