--- /dev/null
+/*!
+ * Angular Material Design
+ * https://github.com/angular/material
+ * @license MIT
+ * v0.9.8
+ */
+goog.provide('ng.material.components.tooltip');
+goog.require('ng.material.core');
+/**
+ * @ngdoc module
+ * @name material.components.tooltip
+ */
+angular
+ .module('material.components.tooltip', [ 'material.core' ])
+ .directive('mdTooltip', MdTooltipDirective);
+
+/**
+ * @ngdoc directive
+ * @name mdTooltip
+ * @module material.components.tooltip
+ * @description
+ * Tooltips are used to describe elements that are interactive and primarily graphical (not textual).
+ *
+ * Place a `<md-tooltip>` as a child of the element it describes.
+ *
+ * A tooltip will activate when the user focuses, hovers over, or touches the parent.
+ *
+ * @usage
+ * <hljs lang="html">
+ * <md-button class="md-fab md-accent" aria-label="Play">
+ * <md-tooltip>
+ * Play Music
+ * </md-tooltip>
+ * <md-icon icon="img/icons/ic_play_arrow_24px.svg"></md-icon>
+ * </md-button>
+ * </hljs>
+ *
+ * @param {expression=} md-visible Boolean bound to whether the tooltip is
+ * currently visible.
+ * @param {number=} md-delay How many milliseconds to wait to show the tooltip after the user focuses, hovers, or touches the parent. Defaults to 400ms.
+ * @param {string=} md-direction Which direction would you like the tooltip to go? Supports left, right, top, and bottom. Defaults to bottom.
+ * @param {boolean=} md-autohide If present or provided with a boolean value, the tooltip will hide on mouse leave, regardless of focus
+ */
+function MdTooltipDirective($timeout, $window, $$rAF, $document, $mdUtil, $mdTheming, $rootElement,
+ $animate, $q) {
+
+ var TOOLTIP_SHOW_DELAY = 300;
+ var TOOLTIP_WINDOW_EDGE_SPACE = 8;
+
+ return {
+ restrict: 'E',
+ transclude: true,
+ priority:210, // Before ngAria
+ template: '\
+ <div class="md-background"></div>\
+ <div class="md-content" ng-transclude></div>',
+ scope: {
+ visible: '=?mdVisible',
+ delay: '=?mdDelay',
+ autohide: '=?mdAutohide'
+ },
+ link: postLink
+ };
+
+ function postLink(scope, element, attr) {
+
+ $mdTheming(element);
+
+ var parent = getParentWithPointerEvents(),
+ background = angular.element(element[0].getElementsByClassName('md-background')[0]),
+ content = angular.element(element[0].getElementsByClassName('md-content')[0]),
+ direction = attr.mdDirection,
+ current = getNearestContentElement(),
+ tooltipParent = angular.element(current || document.body),
+ debouncedOnResize = $$rAF.throttle(function () { if (scope.visible) positionTooltip(); });
+
+ return init();
+
+ function init () {
+ setDefaults();
+ manipulateElement();
+ bindEvents();
+ configureWatchers();
+ addAriaLabel();
+ }
+
+ function setDefaults () {
+ if (!angular.isDefined(attr.mdDelay)) scope.delay = TOOLTIP_SHOW_DELAY;
+ }
+
+ function configureWatchers () {
+ scope.$on('$destroy', function() {
+ scope.visible = false;
+ element.remove();
+ angular.element($window).off('resize', debouncedOnResize);
+ });
+ scope.$watch('visible', function (isVisible) {
+ if (isVisible) showTooltip();
+ else hideTooltip();
+ });
+ }
+
+ function addAriaLabel () {
+ if (!parent.attr('aria-label') && !parent.text().trim()) {
+ parent.attr('aria-label', element.text().trim());
+ }
+ }
+
+ function manipulateElement () {
+ element.detach();
+ element.attr('role', 'tooltip');
+ }
+
+ function getParentWithPointerEvents () {
+ var parent = element.parent();
+ while (parent && $window.getComputedStyle(parent[0])['pointer-events'] == 'none') {
+ parent = parent.parent();
+ }
+ return parent;
+ }
+
+ function getNearestContentElement () {
+ var current = element.parent()[0];
+ // Look for the nearest parent md-content, stopping at the rootElement.
+ while (current && current !== $rootElement[0] && current !== document.body) {
+ current = current.parentNode;
+ }
+ return current;
+ }
+
+ function hasComputedStyleValue(key, value) {
+ // Check if we should show it or not...
+ var computedStyles = $window.getComputedStyle(element[0]);
+ return angular.isDefined(computedStyles[key]) && (computedStyles[key] == value);
+ }
+
+ function bindEvents () {
+ var mouseActive = false;
+ var enterHandler = function() {
+ if (!hasComputedStyleValue('pointer-events','none')) {
+ setVisible(true);
+ }
+ };
+ var leaveHandler = function () {
+ var autohide = scope.hasOwnProperty('autohide') ? scope.autohide : attr.hasOwnProperty('mdAutohide');
+ if (autohide || mouseActive || ($document[0].activeElement !== parent[0]) ) {
+ setVisible(false);
+ }
+ mouseActive = false;
+ };
+
+ // to avoid `synthetic clicks` we listen to mousedown instead of `click`
+ parent.on('mousedown', function() { mouseActive = true; });
+ parent.on('focus mouseenter touchstart', enterHandler );
+ parent.on('blur mouseleave touchend touchcancel', leaveHandler );
+
+
+ angular.element($window).on('resize', debouncedOnResize);
+ }
+
+ function setVisible (value) {
+ setVisible.value = !!value;
+ if (!setVisible.queued) {
+ if (value) {
+ setVisible.queued = true;
+ $timeout(function() {
+ scope.visible = setVisible.value;
+ setVisible.queued = false;
+ }, scope.delay);
+ } else {
+ $timeout(function() { scope.visible = false; });
+ }
+ }
+ }
+
+ function showTooltip() {
+ // Insert the element before positioning it, so we can get the position
+ // and check if we should display it
+ tooltipParent.append(element);
+
+ // Check if we should display it or not.
+ // This handles hide-* and show-* along with any user defined css
+ if ( hasComputedStyleValue('display','none') ) {
+ scope.visible = false;
+ element.detach();
+ return;
+ }
+
+ positionTooltip();
+ angular.forEach([element, background, content], function (element) {
+ $animate.addClass(element, 'md-show');
+ });
+ }
+
+ function hideTooltip() {
+ $q.all([
+ $animate.removeClass(content, 'md-show'),
+ $animate.removeClass(background, 'md-show'),
+ $animate.removeClass(element, 'md-show')
+ ]).then(function () {
+ if (!scope.visible) element.detach();
+ });
+ }
+
+ function positionTooltip() {
+ var tipRect = $mdUtil.offsetRect(element, tooltipParent);
+ var parentRect = $mdUtil.offsetRect(parent, tooltipParent);
+ var newPosition = getPosition(direction);
+
+ // If the user provided a direction, just nudge the tooltip onto the screen
+ // Otherwise, recalculate based on 'top' since default is 'bottom'
+ if (direction) {
+ newPosition = fitInParent(newPosition);
+ } else if (newPosition.top > element.prop('offsetParent').scrollHeight - tipRect.height - TOOLTIP_WINDOW_EDGE_SPACE) {
+ newPosition = fitInParent(getPosition('top'));
+ }
+
+ element.css({top: newPosition.top + 'px', left: newPosition.left + 'px'});
+
+ positionBackground();
+
+ function positionBackground () {
+ var size = direction === 'left' || direction === 'right'
+ ? Math.sqrt(Math.pow(tipRect.width, 2) + Math.pow(tipRect.height / 2, 2)) * 2
+ : Math.sqrt(Math.pow(tipRect.width / 2, 2) + Math.pow(tipRect.height, 2)) * 2,
+ position = direction === 'left' ? { left: 100, top: 50 }
+ : direction === 'right' ? { left: 0, top: 50 }
+ : direction === 'top' ? { left: 50, top: 100 }
+ : { left: 50, top: 0 };
+ background.css({
+ width: size + 'px',
+ height: size + 'px',
+ left: position.left + '%',
+ top: position.top + '%'
+ });
+ }
+
+ function fitInParent (pos) {
+ var newPosition = { left: pos.left, top: pos.top };
+ newPosition.left = Math.min( newPosition.left, tooltipParent.prop('scrollWidth') - tipRect.width - TOOLTIP_WINDOW_EDGE_SPACE );
+ newPosition.left = Math.max( newPosition.left, TOOLTIP_WINDOW_EDGE_SPACE );
+ newPosition.top = Math.min( newPosition.top, tooltipParent.prop('scrollHeight') - tipRect.height - TOOLTIP_WINDOW_EDGE_SPACE );
+ newPosition.top = Math.max( newPosition.top, TOOLTIP_WINDOW_EDGE_SPACE );
+ return newPosition;
+ }
+
+ function getPosition (dir) {
+ return dir === 'left'
+ ? { left: parentRect.left - tipRect.width - TOOLTIP_WINDOW_EDGE_SPACE,
+ top: parentRect.top + parentRect.height / 2 - tipRect.height / 2 }
+ : dir === 'right'
+ ? { left: parentRect.left + parentRect.width + TOOLTIP_WINDOW_EDGE_SPACE,
+ top: parentRect.top + parentRect.height / 2 - tipRect.height / 2 }
+ : dir === 'top'
+ ? { left: parentRect.left + parentRect.width / 2 - tipRect.width / 2,
+ top: parentRect.top - tipRect.height - TOOLTIP_WINDOW_EDGE_SPACE }
+ : { left: parentRect.left + parentRect.width / 2 - tipRect.width / 2,
+ top: parentRect.top + parentRect.height + TOOLTIP_WINDOW_EDGE_SPACE };
+ }
+ }
+
+ }
+
+}
+MdTooltipDirective.$inject = ["$timeout", "$window", "$$rAF", "$document", "$mdUtil", "$mdTheming", "$rootElement", "$animate", "$q"];
+
+ng.material.components.tooltip = angular.module("material.components.tooltip");
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