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/*!
 * jQuery UI Tooltip 1.12.1
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Tooltip
//>>group: Widgets
//>>description: Shows additional information for any element on hover or focus.
//>>docs: http://api.jqueryui.com/tooltip/
//>>demos: http://jqueryui.com/tooltip/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/tooltip.css
//>>css.theme: ../../themes/base/theme.css

( function( factory ) {
        if ( typeof define === "function" && define.amd ) {

                // AMD. Register as an anonymous module.
                define( [
                        "jquery",
                        "../keycode",
                        "../position",
                        "../unique-id",
                        "../version",
                        "../widget"
                ], factory );
        } else {

                // Browser globals
                factory( jQuery );
        }
}( function( $ ) {

$.widget( "ui.tooltip", {
        version: "1.12.1",
        options: {
                classes: {
                        "ui-tooltip": "ui-corner-all ui-widget-shadow"
                },
                content: function() {

                        // support: IE<9, Opera in jQuery <1.7
                        // .text() can't accept undefined, so coerce to a string
                        var title = $( this ).attr( "title" ) || "";

                        // Escape title, since we're going from an attribute to raw HTML
                        return $( "<a>" ).text( title ).html();
                },
                hide: true,

                // Disabled elements have inconsistent behavior across browsers (#8661)
                items: "[title]:not([disabled])",
                position: {
                        my: "left top+15",
                        at: "left bottom",
                        collision: "flipfit flip"
                },
                show: true,
                track: false,

                // Callbacks
                close: null,
                open: null
        },

        _addDescribedBy: function( elem, id ) {
                var describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ );
                describedby.push( id );
                elem
                        .data( "ui-tooltip-id", id )
                        .attr( "aria-describedby", $.trim( describedby.join( " " ) ) );
        },

        _removeDescribedBy: function( elem ) {
                var id = elem.data( "ui-tooltip-id" ),
                        describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ ),
                        index = $.inArray( id, describedby );

                if ( index !== -1 ) {
                        describedby.splice( index, 1 );
                }

                elem.removeData( "ui-tooltip-id" );
                describedby = $.trim( describedby.join( " " ) );
                if ( describedby ) {
                        elem.attr( "aria-describedby", describedby );
                } else {
                        elem.removeAttr( "aria-describedby" );
                }
        },

        _create: function() {
                this._on( {
                        mouseover: "open",
                        focusin: "open"
                } );

                // IDs of generated tooltips, needed for destroy
                this.tooltips = {};

                // IDs of parent tooltips where we removed the title attribute
                this.parents = {};

                // Append the aria-live region so tooltips announce correctly
                this.liveRegion = $( "<div>" )
                        .attr( {
                                role: "log",
                                "aria-live": "assertive",
                                "aria-relevant": "additions"
                        } )
                        .appendTo( this.document[ 0 ].body );
                this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );

                this.disabledTitles = $( [] );
        },

        _setOption: function( key, value ) {
                var that = this;

                this._super( key, value );

                if ( key === "content" ) {
                        $.each( this.tooltips, function( id, tooltipData ) {
                                that._updateContent( tooltipData.element );
                        } );
                }
        },

        _setOptionDisabled: function( value ) {
                this[ value ? "_disable" : "_enable" ]();
        },

        _disable: function() {
                var that = this;

                // Close open tooltips
                $.each( this.tooltips, function( id, tooltipData ) {
                        var event = $.Event( "blur" );
                        event.target = event.currentTarget = tooltipData.element[ 0 ];
                        that.close( event, true );
                } );

                // Remove title attributes to prevent native tooltips
                this.disabledTitles = this.disabledTitles.add(
                        this.element.find( this.options.items ).addBack()
                                .filter( function() {
                                        var element = $( this );
                                        if ( element.is( "[title]" ) ) {
                                                return element
                                                        .data( "ui-tooltip-title", element.attr( "title" ) )
                                                        .removeAttr( "title" );
                                        }
                                } )
                );
        },

        _enable: function() {

                // restore title attributes
                this.disabledTitles.each( function() {
                        var element = $( this );
                        if ( element.data( "ui-tooltip-title" ) ) {
                                element.attr( "title", element.data( "ui-tooltip-title" ) );
                        }
                } );
                this.disabledTitles = $( [] );
        },

        open: function( event ) {
                var that = this,
                        target = $( event ? event.target : this.element )

                                // we need closest here due to mouseover bubbling,
                                // but always pointing at the same event target
                                .closest( this.options.items );

                // No element to show a tooltip for or the tooltip is already open
                if ( !target.length || target.data( "ui-tooltip-id" ) ) {
                        return;
                }

                if ( target.attr( "title" ) ) {
                        target.data( "ui-tooltip-title", target.attr( "title" ) );
                }

                target.data( "ui-tooltip-open", true );

                // Kill parent tooltips, custom or native, for hover
                if ( event && event.type === "mouseover" ) {
                        target.parents().each( function() {
                                var parent = $( this ),
                                        blurEvent;
                                if ( parent.data( "ui-tooltip-open" ) ) {
                                        blurEvent = $.Event( "blur" );
                                        blurEvent.target = blurEvent.currentTarget = this;
                                        that.close( blurEvent, true );
                                }
                                if ( parent.attr( "title" ) ) {
                                        parent.uniqueId();
                                        that.parents[ this.id ] = {
                                                element: this,
                                                title: parent.attr( "title" )
                                        };
                                        parent.attr( "title", "" );
                                }
                        } );
                }

                this._registerCloseHandlers( event, target );
                this._updateContent( target, event );
        },

        _updateContent: function( target, event ) {
                var content,
                        contentOption = this.options.content,
                        that = this,
                        eventType = event ? event.type : null;

                if ( typeof contentOption === "string" || contentOption.nodeType ||
                                contentOption.jquery ) {
                        return this._open( event, target, contentOption );
                }

                content = contentOption.call( target[ 0 ], function( response ) {

                        // IE may instantly serve a cached response for ajax requests
                        // delay this call to _open so the other call to _open runs first
                        that._delay( function() {

                                // Ignore async response if tooltip was closed already
                                if ( !target.data( "ui-tooltip-open" ) ) {
                                        return;
                                }

                                // JQuery creates a special event for focusin when it doesn't
                                // exist natively. To improve performance, the native event
                                // object is reused and the type is changed. Therefore, we can't
                                // rely on the type being correct after the event finished
                                // bubbling, so we set it back to the previous value. (#8740)
                                if ( event ) {
                                        event.type = eventType;
                                }
                                this._open( event, target, response );
                        } );
                } );
                if ( content ) {
                        this._open( event, target, content );
                }
        },

        _open: function( event, target, content ) {
                var tooltipData, tooltip, delayedShow, a11yContent,
                        positionOption = $.extend( {}, this.options.position );

                if ( !content ) {
                        return;
                }

                // Content can be updated multiple times. If the tooltip already
                // exists, then just update the content and bail.
                tooltipData = this._find( target );
                if ( tooltipData ) {
                        tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
                        return;
                }

                // If we have a title, clear it to prevent the native tooltip
                // we have to check first to avoid defining a title if none exists
                // (we don't want to cause an element to start matching [title])
                //
                // We use removeAttr only for key events, to allow IE to export the correct
                // accessible attributes. For mouse events, set to empty string to avoid
                // native tooltip showing up (happens only when removing inside mouseover).
                if ( target.is( "[title]" ) ) {
                        if ( event && event.type === "mouseover" ) {
                                target.attr( "title", "" );
                        } else {
                                target.removeAttr( "title" );
                        }
                }

                tooltipData = this._tooltip( target );
                tooltip = tooltipData.tooltip;
                this._addDescribedBy( target, tooltip.attr( "id" ) );
                tooltip.find( ".ui-tooltip-content" ).html( content );

                // Support: Voiceover on OS X, JAWS on IE <= 9
                // JAWS announces deletions even when aria-relevant="additions"
                // Voiceover will sometimes re-read the entire log region's contents from the beginning
                this.liveRegion.children().hide();
                a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
                a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
                a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
                a11yContent.appendTo( this.liveRegion );

                function position( event ) {
                        positionOption.of = event;
                        if ( tooltip.is( ":hidden" ) ) {
                                return;
                        }
                        tooltip.position( positionOption );
                }
                if ( this.options.track && event && /^mouse/.test( event.type ) ) {
                        this._on( this.document, {
                                mousemove: position
                        } );

                        // trigger once to override element-relative positioning
                        position( event );
                } else {
                        tooltip.position( $.extend( {
                                of: target
                        }, this.options.position ) );
                }

                tooltip.hide();

                this._show( tooltip, this.options.show );

                // Handle tracking tooltips that are shown with a delay (#8644). As soon
                // as the tooltip is visible, position the tooltip using the most recent
                // event.
                // Adds the check to add the timers only when both delay and track options are set (#14682)
                if ( this.options.track && this.options.show && this.options.show.delay ) {
                        delayedShow = this.delayedShow = setInterval( function() {
                                if ( tooltip.is( ":visible" ) ) {
                                        position( positionOption.of );
                                        clearInterval( delayedShow );
                                }
                        }, $.fx.interval );
                }

                this._trigger( "open", event, { tooltip: tooltip } );
        },

        _registerCloseHandlers: function( event, target ) {
                var events = {
                        keyup: function( event ) {
                                if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
                                        var fakeEvent = $.Event( event );
                                        fakeEvent.currentTarget = target[ 0 ];
                                        this.close( fakeEvent, true );
                                }
                        }
                };

                // Only bind remove handler for delegated targets. Non-delegated
                // tooltips will handle this in destroy.
                if ( target[ 0 ] !== this.element[ 0 ] ) {
                        events.remove = function() {
                                this._removeTooltip( this._find( target ).tooltip );
                        };
                }

                if ( !event || event.type === "mouseover" ) {
                        events.mouseleave = "close";
                }
                if ( !event || event.type === "focusin" ) {
                        events.focusout = "close";
                }
                this._on( true, target, events );
        },

        close: function( event ) {
                var tooltip,
                        that = this,
                        target = $( event ? event.currentTarget : this.element ),
                        tooltipData = this._find( target );

                // The tooltip may already be closed
                if ( !tooltipData ) {

                        // We set ui-tooltip-open immediately upon open (in open()), but only set the
                        // additional data once there's actually content to show (in _open()). So even if the
                        // tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
                        // the period between open() and _open().
                        target.removeData( "ui-tooltip-open" );
                        return;
                }

                tooltip = tooltipData.tooltip;

                // Disabling closes the tooltip, so we need to track when we're closing
                // to avoid an infinite loop in case the tooltip becomes disabled on close
                if ( tooltipData.closing ) {
                        return;
                }

                // Clear the interval for delayed tracking tooltips
                clearInterval( this.delayedShow );

                // Only set title if we had one before (see comment in _open())
                // If the title attribute has changed since open(), don't restore
                if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
                        target.attr( "title", target.data( "ui-tooltip-title" ) );
                }

                this._removeDescribedBy( target );

                tooltipData.hiding = true;
                tooltip.stop( true );
                this._hide( tooltip, this.options.hide, function() {
                        that._removeTooltip( $( this ) );
                } );

                target.removeData( "ui-tooltip-open" );
                this._off( target, "mouseleave focusout keyup" );

                // Remove 'remove' binding only on delegated targets
                if ( target[ 0 ] !== this.element[ 0 ] ) {
                        this._off( target, "remove" );
                }
                this._off( this.document, "mousemove" );

                if ( event && event.type === "mouseleave" ) {
                        $.each( this.parents, function( id, parent ) {
                                $( parent.element ).attr( "title", parent.title );
                                delete that.parents[ id ];
                        } );
                }

                tooltipData.closing = true;
                this._trigger( "close", event, { tooltip: tooltip } );
                if ( !tooltipData.hiding ) {
                        tooltipData.closing = false;
                }
        },

        _tooltip: function( element ) {
                var tooltip = $( "<div>" ).attr( "role", "tooltip" ),
                        content = $( "<div>" ).appendTo( tooltip ),
                        id = tooltip.uniqueId().attr( "id" );

                this._addClass( content, "ui-tooltip-content" );
                this._addClass( tooltip, "ui-tooltip", "ui-widget ui-widget-content" );

                tooltip.appendTo( this._appendTo( element ) );

                return this.tooltips[ id ] = {
                        element: element,
                        tooltip: tooltip
                };
        },

        _find: function( target ) {
                var id = target.data( "ui-tooltip-id" );
                return id ? this.tooltips[ id ] : null;
        },

        _removeTooltip: function( tooltip ) {
                tooltip.remove();
                delete this.tooltips[ tooltip.attr( "id" ) ];
        },

        _appendTo: function( target ) {
                var element = target.closest( ".ui-front, dialog" );

                if ( !element.length ) {
                        element = this.document[ 0 ].body;
                }

                return element;
        },

        _destroy: function() {
                var that = this;

                // Close open tooltips
                $.each( this.tooltips, function( id, tooltipData ) {

                        // Delegate to close method to handle common cleanup
                        var event = $.Event( "blur" ),
                                element = tooltipData.element;
                        event.target = event.currentTarget = element[ 0 ];
                        that.close( event, true );

                        // Remove immediately; destroying an open tooltip doesn't use the
                        // hide animation
                        $( "#" + id ).remove();

                        // Restore the title
                        if ( element.data( "ui-tooltip-title" ) ) {

                                // If the title attribute has changed since open(), don't restore
                                if ( !element.attr( "title" ) ) {
                                        element.attr( "title", element.data( "ui-tooltip-title" ) );
                                }
                                element.removeData( "ui-tooltip-title" );
                        }
                } );
                this.liveRegion.remove();
        }
} );

// DEPRECATED
// TODO: Switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {

        // Backcompat for tooltipClass option
        $.widget( "ui.tooltip", $.ui.tooltip, {
                options: {
                        tooltipClass: null
                },
                _tooltip: function() {
                        var tooltipData = this._superApply( arguments );
                        if ( this.options.tooltipClass ) {
                                tooltipData.tooltip.addClass( this.options.tooltipClass );
                        }
                        return tooltipData;
                }
        } );
}

return $.ui.tooltip;

} ) );