User:JWBTH/Gadget-ReferenceTooltips.js

// See Reference Tooltips // Source https://en.wikipedia.org/wiki/MediaWiki:Gadget-ReferenceTooltips.js

/*eslint space-in-parens: ["error", "always"], array-bracket-spacing: ["error", "always"]*/

( function {

// If you're loading the script from another wiki and want to set your settings, do that in `window` // properties with `rt_` prefix, e.g. //  window.rt_REF_LINK_SELECTOR = '...'; // They will be used instead of enwiki detaults. var REF_LINK_SELECTOR = mw.config.get( 'rt-refLinkSelector' ) || '.reference, a[href^="#CITEREF"]', COMMENTED_TEXT_CLASS = mw.config.get( 'rt-commentedTextClass' ) || 'rt-commentedText', COMMENTED_TEXT_SELECTOR = (		mw.config.get( 'rt-commentedTextSelector' ) ||		( COMMENTED_TEXT_CLASS ? '.' + COMMENTED_TEXT_CLASS + ', ' : '' ) +		'abbr[title]'	);

if ( mw.messages.get( 'rt-settings' ) === null ) { mw.messages.set( {		'rt-settings': 'Reference Tooltips settings',		'rt-enable-footer': 'Enable Reference Tooltips',		'rt-settings-title': 'Reference Tooltips',		'rt-save': 'Save',		'rt-enable': 'Enable Reference Tooltips',		'rt-activationMethod': 'Show a tooltip when I\'m',		'rt-hovering': 'hovering a reference',		'rt-clicking': 'clicking a reference',		'rt-delay': 'Delay before the tooltip appears (in milliseconds)',		'rt-tooltipsForComments': 'Show the tooltip over text with a dotted underline in Reference Tooltips style (allows to see such tooltips on devices with no mouse support)',		'rt-disabledNote': 'You can re-enable Reference Tooltips using a link in the footer of the page.',		'rt-done': 'Done',		'rt-enabled': 'Reference Tooltips are enabled' } ); }

// "Global" variables var SECONDS_IN_A_DAY = 60 * 60 * 24, CLASSES = { FADE_IN_DOWN: 'rt-fade-in-down', FADE_IN_UP: 'rt-fade-in-up', FADE_OUT_DOWN: 'rt-fade-out-down', FADE_OUT_UP: 'rt-fade-out-up' },	IS_TOUCHSCREEN = 'ontouchstart' in document.documentElement, // Quite a rough check for mobile browsers, a mix of what is advised at	// https://stackoverflow.com/a/24600597 (sends to	// https://developer.mozilla.org/en-US/docs/Browser_detection_using_the_user_agent) // and https://stackoverflow.com/a/14301832 IS_MOBILE = /Mobi|Android/i.test( navigator.userAgent ) || typeof window.orientation !== 'undefined', CLIENT_NAME = $.client.profile.name, settingsString, settings, enabled, delay, activatedByClick, tooltipsForComments, cursorWaitCss, windowManager, $teleportTarget, $body = $( document.body ), $window = $( window ), $overlay = $( ' ' ) .addClass( 'rt-overlay' ) .appendTo( $body );

// Can't use before https://phabricator.wikimedia.org/T369880 is resolved // mw.loader.using( 'mediawiki.page.ready' ).then( function ( require ) { // 	$teleportTarget = $( require( 'mediawiki.page.ready' ).teleportTarget ); // 	$overlay.appendTo( $teleportTarget ); // } );

function rt( $content ) { // Popups gadget if ( window.pg ) { return; }

var teSelector, settingsDialogOpening = false;

function setSettingsCookie { mw.cookie.set(			'RTsettings',			( Number( enabled ) + '|' +				delay + '|' +				Number( activatedByClick ) + '|' +				Number( tooltipsForComments ) ),			{ path: '/', expires: 90 * SECONDS_IN_A_DAY, prefix: '' }		); }

function enableRt { enabled = true; setSettingsCookie; $( '.rt-enableItem' ).remove; rt( $content ); mw.notify( mw.msg( 'rt-enabled' ) ); }

function disableRt { $content.find( teSelector ).removeClass( 'rt-commentedText' ).off( '.rt' ); $body.off( '.rt' ); $window.off( '.rt' ); }

function addEnableLink { // #footer-places – Vector // #f-list – Timeless, Monobook, Modern // parent of #footer li – Cologne Blue var $footer = $( '#footer-places, #f-list' ); if ( !$footer.length ) { $footer = $( '#footer li' ).parent; }		if ( !$footer.find( '.rt-enableItem' ).length ) { $footer.append(				$( '' )					.addClass( 'rt-enableItem' )					.append( $( '' ) .text( mw.msg( 'rt-enable-footer' ) ) .attr( 'href', '#' ) .click( function ( e ) {								e.preventDefault;								enableRt;							} ) )			);		}	}

function TooltippedElement( $element ) { var events, te = this;

function onStartEvent( e ) { var showRefArgs;

if ( activatedByClick && te.type !== 'commentedText' && e.type !== 'contextmenu' ) { e.preventDefault; }			if ( !te.noRef ) { showRefArgs = [ $( this ) ]; if ( te.type !== 'supRef' ) { showRefArgs.push( e.pageX, e.pageY ); }				te.showRef.apply( te, showRefArgs ); }		}

function onEndEvent { if ( !te.noRef ) { te.hideRef; }		}

if ( !$element ) { return; }

// TooltippedElement.$element and TooltippedElement.$originalElement will be different when // the first is changed after its cloned version is hovered in a tooltip this.$element = $element; this.$originalElement = $element; if ( this.$element.is( REF_LINK_SELECTOR ) ) { if ( this.$element.prop( 'tagName' ) === 'SUP' ) { this.type = 'supRef'; } else { this.type = 'harvardRef'; }		} else { this.type = 'commentedText'; this.comment = this.$element.attr( 'title' ); if ( !this.comment ) { return; }			this.$element.addClass( 'rt-commentedText' ); }

if ( activatedByClick ) { events = { 'click.rt': onStartEvent };			// Adds an ability to see tooltips for links if (				this.type === 'commentedText' &&				( this.$element.closest( 'a' ).length || this.$element.has( 'a' ).length )			) { events[ 'contextmenu.rt' ] = onStartEvent; }		} else { events = { 'mouseenter.rt': onStartEvent, 'mouseleave.rt': onEndEvent };		}

this.$element.on( events );

this.hideRef = function ( immediately ) { clearTimeout( te.showTimer );

if ( this.type === 'commentedText' ) { this.$element.attr( 'title', this.comment ); }

if ( this.tooltip && this.tooltip.isPresent ) { if ( activatedByClick || immediately ) { this.tooltip.hide; } else { this.hideTimer = setTimeout( function {						te.tooltip.hide;					}, 200 ); }			} else if ( this.$ref && this.$ref.hasClass( 'rt-target' ) ) { this.$ref.removeClass( 'rt-target' ); if ( activatedByClick ) { $body.off( 'click.rt touchstart.rt', this.onBodyClick ); }			}		};

this.showRef = function ( $element, ePageX, ePageY ) { // Popups gadget if ( window.pg ) { disableRt; return; }

if ( this.tooltip && !this.tooltip.$content.length ) { return; }

var tooltipInitiallyPresent = this.tooltip && this.tooltip.isPresent;

function reallyShow { var viewportTop, refOffsetTop, teHref;

if ( !te.$ref && !te.comment ) { teHref = te.type === 'supRef' ? te.$element.find( 'a' ).attr( 'href' ) : te.$element.attr( 'href' ); // harvardRef te.$ref = teHref && $( '#' + $.escapeSelector( teHref.slice( 1 ) ) ); if ( !te.$ref || !te.$ref.length || !te.$ref.text ) { te.noRef = true; return; }				}

if ( !tooltipInitiallyPresent && !te.comment ) { viewportTop = $window.scrollTop; refOffsetTop = te.$ref.offset.top; if (						!activatedByClick &&						viewportTop < refOffsetTop &&						viewportTop + $window.height > refOffsetTop + te.$ref.height &&						// There can be gadgets/scripts that make references horizontally scrollable.						$window.width > te.$ref.offset.left + te.$ref.width					) { // Highlight the reference itself te.$ref.addClass( 'rt-target' ); return; }				}

if ( !te.tooltip ) { te.tooltip = new Tooltip( te ); if ( !te.tooltip.$content.length ) { return; }				}

// If this tooltip is called from inside another tooltip. We can't define it				// in the constructor since a ref can be cloned but have the same Tooltip object; // so, Tooltip.parent is a floating value. te.tooltip.parent = te.$element.closest( '.rt-tooltip' ).data( 'tooltip' ); if ( te.tooltip.parent && te.tooltip.parent.disappearing ) { return; }

te.tooltip.show;

if ( tooltipInitiallyPresent ) { if ( te.tooltip.$element.hasClass( 'rt-tooltip-above' ) ) { te.tooltip.$element.addClass( CLASSES.FADE_IN_DOWN ); } else { te.tooltip.$element.addClass( CLASSES.FADE_IN_UP ); }					return; }

te.tooltip.calculatePosition( ePageX, ePageY );

$window.on( 'resize.rt', te.onWindowResize ); }

// We redefine this.$element here because e.target can be a reference link inside // a reference tooltip, not a link that was initially assigned to this.$element this.$element = $element;

if ( this.type === 'commentedText' ) { this.$element.attr( 'title', '' ); }

if ( activatedByClick ) { if (					tooltipInitiallyPresent ||					( this.$ref && this.$ref.hasClass( 'rt-target' ) )				) { return; } else { setTimeout( function {						$body.on( 'click.rt touchstart.rt', te.onBodyClick );					}, 0 ); }			}

if ( activatedByClick || tooltipInitiallyPresent ) { reallyShow; } else { this.showTimer = setTimeout( reallyShow, delay ); }		};

this.onBodyClick = function ( e ) { if ( !te.tooltip && !( te.$ref && te.$ref.hasClass( 'rt-target' ) ) ) { return; }

var $current = $( e.target );

function contextMatchesParameter( parameter ) { return this === parameter; }

// The last condition is used to determine cases when a clicked tooltip is the current // element's tooltip or one of its descendants while (				$current.length &&				( !$current.hasClass( 'rt-tooltip' ) || !$current.data( 'tooltip' ) || !$current.data( 'tooltip' ).upToTopParent(						contextMatchesParameter, [ te.tooltip ],						true					) )			) {				$current = $current.parent; }			if ( !$current.length ) { te.hideRef; }		};

this.onWindowResize = function { te.tooltip.calculatePosition; };	}

function Tooltip( te ) { function openSettingsDialog { var settingsDialog, settingsWindow;

if ( cursorWaitCss ) { cursorWaitCss.disabled = true; }

function SettingsDialog { SettingsDialog.parent.call( this ); }			OO.inheritClass( SettingsDialog, OO.ui.ProcessDialog );

SettingsDialog.static.name = 'settingsDialog'; SettingsDialog.static.title = mw.msg( 'rt-settings-title' ); SettingsDialog.static.actions = [ {					modes: 'main', action: 'save', label: mw.msg( 'rt-save' ), flags: [ 'primary', 'progressive' ] },				{					modes: 'main', flags: [ 'safe', 'close' ] },				{					modes: 'disabled', action: 'deactivated', label: mw.msg( 'rt-done' ), flags: [ 'primary', 'progressive' ] }			];

SettingsDialog.prototype.initialize = function { var dialog = this;

SettingsDialog.parent.prototype.initialize.apply( this, arguments );

this.enableCheckbox = new OO.ui.CheckboxInputWidget( {					selected: true				} ); this.enableCheckbox.on( 'change', function ( selected ) {					dialog.activationMethodSelect.setDisabled( !selected );					dialog.delayInput.setDisabled( !selected || dialog.clickOption.isSelected );					dialog.tooltipsForCommentsCheckbox.setDisabled( !selected );				} ); this.enableField = new OO.ui.FieldLayout( this.enableCheckbox, {					label: mw.msg( 'rt-enable' ),					align: 'inline',					classes: [ 'rt-enableField' ]				} );

this.hoverOption = new OO.ui.RadioOptionWidget( {					label: mw.msg( 'rt-hovering' )				} ); this.clickOption = new OO.ui.RadioOptionWidget( {					label: mw.msg( 'rt-clicking' )				} ); this.activationMethodSelect = new OO.ui.RadioSelectWidget( {					items: [ this.hoverOption, this.clickOption ]				} ); this.activationMethodSelect.selectItem(					activatedByClick ? this.clickOption : this.hoverOption				); this.activationMethodSelect.on( 'choose', function ( item ) {					dialog.delayInput.setDisabled( item === dialog.clickOption );				} ); this.activationMethodField = new OO.ui.FieldLayout( this.activationMethodSelect, {					label: mw.msg( 'rt-activationMethod' ),					align: 'top'				} );

this.delayInput = new OO.ui.NumberInputWidget( {					input: { value: delay },					step: 50,					min: 0,					max: 5000,					disabled: activatedByClick,					classes: [ 'rt-numberInput' ]				} ); this.delayField = new OO.ui.FieldLayout( this.delayInput, {					label: mw.msg( 'rt-delay' ),					align: 'top'				} );

this.tooltipsForCommentsCheckbox = new OO.ui.CheckboxInputWidget( {					selected: tooltipsForComments				} ); this.tooltipsForCommentsField = new OO.ui.FieldLayout(					this.tooltipsForCommentsCheckbox,					{						label: new OO.ui.HtmlSnippet( mw.msg( 'rt-tooltipsForComments' ) ),						align: 'inline',						classes: [ 'rt-tooltipsForCommentsField' ]					}				); new TooltippedElement(					this.tooltipsForCommentsField.$element.find( '.' + ( COMMENTED_TEXT_CLASS || 'rt-commentedText' ) )				);

this.fieldset = new OO.ui.FieldsetLayout; this.fieldset.addItems( [					this.enableField,					this.activationMethodField,					this.delayField,					this.tooltipsForCommentsField				] );

this.panelSettings = new OO.ui.PanelLayout( {					padded: true,					expanded: false				} ); this.panelSettings.$element.append( this.fieldset.$element );

this.panelDisabled = new OO.ui.PanelLayout( {					padded: true,					expanded: false				} ); this.panelDisabled.$element.append(					$( ' ' )						.addClass( 'rt-disabledHelp' )						.append( $( ' ' ).append(								$( ' ' ).append( $( ' ' ).attr( 'src', 'https://upload.wikimedia.org/wikipedia/commons/c/c0/MediaWiki_footer_link_ltr.svg' ) ),								$( ' ' )									.addClass( 'rt-disabledNote' )									.text( mw.msg( 'rt-disabledNote' ) )							) )				);

this.stackLayout = new OO.ui.StackLayout( {					items: [ this.panelSettings, this.panelDisabled ]				} );

this.$body.append( this.stackLayout.$element ); };

SettingsDialog.prototype.getSetupProcess = function ( data ) { return SettingsDialog.parent.prototype.getSetupProcess.call( this, data ) .next( function {						this.stackLayout.setItem( this.panelSettings );						this.actions.setMode( 'main' );					}, this ); };

SettingsDialog.prototype.getActionProcess = function ( action ) { var dialog = this;

if ( action === 'save' ) { return new OO.ui.Process( function {						var newDelay = Number( dialog.delayInput.getValue );

enabled = dialog.enableCheckbox.isSelected; if ( newDelay >= 0 && newDelay <= 5000 ) { delay = newDelay; }						activatedByClick = dialog.clickOption.isSelected; tooltipsForComments = dialog.tooltipsForCommentsCheckbox.isSelected;

setSettingsCookie;

if ( enabled ) { dialog.close; disableRt; rt( $content ); } else { dialog.actions.setMode( 'disabled' ); dialog.stackLayout.setItem( dialog.panelDisabled ); disableRt; addEnableLink; }					} );				} else if ( action === 'deactivated' ) {					dialog.close;				}				return SettingsDialog.parent.prototype.getActionProcess.call( this, action );			};

SettingsDialog.prototype.getBodyHeight = function { return this.stackLayout.getCurrentItem.$element.outerHeight( true ); };

tooltip.upToTopParent( function adjustRightAndHide {				if ( this.isPresent ) {					if ( this.$element[ 0 ].style.right ) {						this.$element.css( 'right', '+=' + ( window.innerWidth - $window.width ) );					}					this.te.hideRef( true );				}			} );

if ( !windowManager ) { windowManager = new OO.ui.WindowManager; $body.append( windowManager.$element ); }

settingsDialog = new SettingsDialog; windowManager.addWindows( [ settingsDialog ] ); settingsWindow = windowManager.openWindow( settingsDialog ); settingsWindow.opened.then( function {				settingsDialogOpening = false;			} ); settingsWindow.closed.then( function {				windowManager.clearWindows;			} ); }

var tooltip = this;

// This variable can change: one tooltip can be called from a harvard-style reference link // that is put into different tooltips this.te = te;

switch ( this.te.type ) { case 'supRef': this.id = 'rt-' + this.te.$originalElement.attr( 'id' ); this.$content = this.te.$ref .contents .filter( function ( i ) {						var $this = $( this );						return ( this.nodeType === Node.TEXT_NODE || !(								$this.is( '.mw-cite-backlink' ) ||								( i === 0 && // Template:Cnote, Template:Note ( $this.is( 'b' ) ||										// Template:Note_label										$this.is( 'a' ) &&										$this.attr( 'href' ).indexOf( '#ref' ) === 0									) )							)						);					} )					.clone( true ); break; case 'harvardRef': this.id = 'rt-' + this.te.$originalElement.closest( 'li' ).attr( 'id' ); this.$content = this.te.$ref .clone( true ) .removeAttr( 'id' ); break; case 'commentedText': this.id = 'rt-' + String( Math.random ).slice( 2 ); this.$content = $( document.createTextNode( this.te.comment ) ); break; }		if ( !this.$content.length ) { return; }

this.isInsideWindow = Boolean( this.te.$element.closest( '.oo-ui-window' ).length );

this.$element = $( ' ' ) .addClass( 'rt-tooltip' ) .attr( 'id', this.id ) .attr( 'role', 'tooltip' ) .data( 'tooltip', this );

var $hoverArea = $( ' ' ) .addClass( 'rt-hoverArea' ) .appendTo( this.$element ); var $scroll = $( ' ' ) .addClass( 'rt-scroll' ) .appendTo( $hoverArea );

this.$content = this.$content .wrapAll( ' ' ) .parent .addClass( 'rt-content' ) .addClass( 'mw-parser-output' ) .appendTo( $scroll );

if ( !activatedByClick ) { this.$element .mouseenter( function {					if ( !tooltip.disappearing ) {						tooltip.upToTopParent( function  { this.show; } );					}				} )				.mouseleave( function ( e ) {					// https://stackoverflow.com/q/47649442 workaround. Relying on relatedTarget					// alone has pitfalls: when alt-tabbing, relatedTarget is empty too					if ( CLIENT_NAME !== 'chrome' || (							!e.originalEvent ||							e.originalEvent.relatedTarget !== null ||							!tooltip.clickedTime ||							$.now - tooltip.clickedTime > 50						) ) {						tooltip.upToTopParent( function { this.te.hideRef; } );					}				} )				.click( function {					tooltip.clickedTime = $.now;				} ); }		function showSettings( e ) { e.preventDefault; if ( settingsDialogOpening ) { return; }			settingsDialogOpening = true;

if ( mw.loader.getState( 'oojs-ui' ) !== 'ready' ) { if ( cursorWaitCss ) { cursorWaitCss.disabled = false; } else { cursorWaitCss = mw.util.addCSS( 'body { cursor: wait; }' ); }			}			mw.loader.using( [ 'oojs', 'oojs-ui' ], openSettingsDialog ); }

if ( !this.isInsideWindow ) { $( '' ) .addClass( 'rt-settingsLink' ) .attr( 'role', 'button' ) .attr( 'href', '#' ) .attr( 'title', mw.msg( 'rt-settings' ) ) .click( showSettings ) .keydown( function ( e ) {					// Space					if ( e.keyCode === 32 ) {						showSettings( e );					}				} ) .prependTo( this.$content ); }

// Tooltip tail element is inside tooltip content element in order for the tooltip // not to disappear when the mouse is above the tail this.$tail = $( ' ' ) .addClass( 'rt-tail' ) .prependTo( this.$element );

this.disappearing = false;

this.show = function { this.disappearing = false; clearTimeout( this.te.hideTimer ); clearTimeout( this.te.removeTimer );

this.$element .removeClass( CLASSES.FADE_OUT_DOWN ) .removeClass( CLASSES.FADE_OUT_UP );

if ( !this.isPresent ) { $overlay.append( this.$element ); }

this.isPresent = true; };

this.hide = function { var tooltip = this;

tooltip.disappearing = true;

if ( tooltip.$element.hasClass( 'rt-tooltip-above' ) ) { tooltip.$element .removeClass( CLASSES.FADE_IN_DOWN ) .addClass( CLASSES.FADE_OUT_UP ); } else { tooltip.$element .removeClass( CLASSES.FADE_IN_UP ) .addClass( CLASSES.FADE_OUT_DOWN ); }

tooltip.te.removeTimer = setTimeout( function {				if ( tooltip.isPresent ) {					tooltip.$element.detach;

tooltip.$tail.css( 'left', '' );

if ( activatedByClick ) { $body.off( 'click.rt touchstart.rt', tooltip.te.onBodyClick ); }					$window.off( 'resize.rt', tooltip.te.onWindowResize );

tooltip.isPresent = false; }			}, 200 );		};

this.calculatePosition = function ( ePageX, ePageY ) { var teElement, teOffsets, teOffset, targetTailOffsetX, tailLeft;

this.$tail.css( 'left', '' );

teElement = this.te.$element.get( 0 ); if ( ePageX !== undefined ) { targetTailOffsetX = ePageX; teOffsets = ( teElement.getClientRects && teElement.getClientRects ) || teElement.getBoundingClientRect; if ( teOffsets.length > 1 ) { for ( var i = teOffsets.length - 1; i >= 0; i-- ) { if (							ePageY >= Math.round( $window.scrollTop + teOffsets[ i ].top ) &&							ePageY <= Math.round( $window.scrollTop + teOffsets[i].top + teOffsets[ i ].height )						) {							teOffset = teOffsets[ i ]; }					}				}			}

if ( !teOffset ) { teOffset = ( teElement.getClientRects && teElement.getClientRects[ 0 ] ) || teElement.getBoundingClientRect; }			teOffset = { top: $window.scrollTop + teOffset.top, left: $window.scrollLeft + teOffset.left, width: teOffset.width, height: teOffset.height };			if ( !targetTailOffsetX ) { targetTailOffsetX = teOffset.left + ( teOffset.width / 2 ); }

// Value of `left` in `.rt-tooltip-above .rt-tail` var defaultTailLeft = 19;

// Value of `width` in `.rt-tail` var tailSideWidth = 13;

// We tilt the square 45 degrees, so we need square root to calculate the distance. var tailWidth = tailSideWidth * Math.SQRT2; var tailHeight = tailWidth / 2; var tailCenterDelta = tailSideWidth + 1 - ( tailWidth / 2 );

var tooltip = this; var getTop = function ( isBelow ) { var delta = isBelow ? teOffset.height + tailHeight : -tooltip.$element.outerHeight - tailHeight + 1; return teOffset.top + delta; };

this.$element.css( {				top: getTop,				left: targetTailOffsetX - defaultTailLeft - tailCenterDelta,				right: ''			} );

// Is it squished against the right side of the page? if ( this.$element.offset.left + this.$element.outerWidth > $window.width - 1 ) { this.$element.css( {					left: '',					right: 0				} ); tailLeft = targetTailOffsetX - this.$element.offset.left - tailCenterDelta; }

// Is a part of it above the top of the screen? if ( teOffset.top < this.$element.outerHeight + $window.scrollTop + tailHeight ) { this.$element .removeClass( 'rt-tooltip-above' ) .addClass( 'rt-tooltip-below' ) .addClass( CLASSES.FADE_IN_UP ) .css( {						top: getTop( true )					} ); if ( tailLeft ) { this.$tail.css( 'left', ( tailLeft + tailSideWidth ) + 'px' ); }			} else { this.$element .removeClass( 'rt-tooltip-below' ) .addClass( 'rt-tooltip-above' ) .addClass( CLASSES.FADE_IN_DOWN ) // A fix for cases when a tooltip shown once is then wrongly positioned when it // is shown again after a window resize. .css( {						top: getTop					} ); if ( tailLeft ) { this.$tail.css( 'left', tailLeft + 'px' ); }			}		};

// Run some function for all the tooltips up to the top one in a tree. Its context will be		// the tooltip, while its parameters may be passed to Tooltip.upToTopParent as an array // in the second parameter. If the third parameter passed to ToolTip.upToTopParent is true, // the execution stops when the function in question returns true for the first time, // and ToolTip.upToTopParent returns true as well. this.upToTopParent = function ( func, parameters, stopAtTrue ) { var returnValue, currentTooltip = this;

do { returnValue = func.apply( currentTooltip, parameters ); if ( stopAtTrue && returnValue ) { break; }			} while ( ( currentTooltip = currentTooltip.parent ) );

if ( stopAtTrue ) { return returnValue; }		};	}

if ( !enabled ) { addEnableLink; return; }

teSelector = REF_LINK_SELECTOR; if ( tooltipsForComments ) { teSelector += ', ' + COMMENTED_TEXT_SELECTOR; }	$content.find( teSelector ).each( function {		new TooltippedElement( $( this ) );	} ); }

settingsString = mw.cookie.get( 'RTsettings', '' ); if ( settingsString ) { settings = settingsString.split( '|' ); enabled = Boolean( Number( settings[ 0 ] ) ); delay = Number( settings[ 1 ] ); activatedByClick = Boolean( Number( settings[ 2 ] ) ); // The forth value was added later, so we provide for a default value. See comments below // for why we use "IS_TOUCHSCREEN && IS_MOBILE". tooltipsForComments = settings[ 3 ] === undefined ? IS_TOUCHSCREEN && IS_MOBILE : Boolean( Number( settings[ 3 ] ) ); } else { enabled = true; delay = 200; // Since the mobile browser check is error-prone, adding IS_MOBILE condition here would probably // leave cases where a user interacting with the browser using touches doesn't know how to call // a tooltip in order to switch to activation by click. Some touch-supporting laptop users // interacting by touch (though probably not the most popular use case) would not be happy too. activatedByClick = IS_TOUCHSCREEN; // Arguably we shouldn't convert native tooltips into gadget tooltips for devices that have // mouse support, even if they have touchscreens (there are laptops with touchscreens). // IS_TOUCHSCREEN check here is for reliability, since the mobile check is prone to false // positives. tooltipsForComments = IS_TOUCHSCREEN && IS_MOBILE; }

mw.hook( 'wikipage.content' ).add( rt );

} );