MediaWiki:Gadget-ReferenceTooltips.js
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// See [[mw: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 = window.rt_REF_LINK_SELECTOR || '.reference, a[href^="#CITEREF"]',
COMMENTED_TEXT_CLASS = window.rt_COMMENTED_TEXT_CLASS || 'rt-commentedText',
COMMENTED_TEXT_SELECTOR = (
window.rt_COMMENTED_TEXT_SELECTOR ||
( 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 <span title="Tooltip example" class="' + ( COMMENTED_TEXT_CLASS || 'rt-commentedText' ) + '" style="border-bottom: 1px dotted; cursor: help;">text with a dotted underline</span> 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 = $( '<div>' )
.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(
$( '<li>' )
.addClass( 'rt-enableItem' )
.append(
$( '<a>' )
.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(
$( '<table>' )
.addClass( 'rt-disabledHelp' )
.append(
$( '<tr>' ).append(
$( '<td>' ).append(
$( '<img>' ).attr( 'src', 'https://upload.wikimedia.org/wikipedia/commons/c/c0/MediaWiki_footer_link_ltr.svg' )
),
$( '<td>' )
.addClass( 'rt-disabledNote' )
.text( mw.msg( 'rt-disabledNote' ) )
)
)
);
this.stackLayout = new OO.ui.StackLayout( {
items: [ this.panelSettings, this.panelDisabled ]
} );
this.$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 = $( '<div>' )
.addClass( 'rt-tooltip' )
.attr( 'id', this.id )
.attr( 'role', 'tooltip' )
.data( 'tooltip', this );
var $hoverArea = $( '<div>' )
.addClass( 'rt-hoverArea' )
.appendTo( this.$element );
var $scroll = $( '<div>' )
.addClass( 'rt-scroll' )
.appendTo( $hoverArea );
this.$content = this.$content
.wrapAll( '<div>' )
.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();
} );
}
if ( !this.isInsideWindow ) {
$( '<a>' )
.addClass( 'rt-settingsLink' )
.attr( 'role', 'button' )
.attr( 'href', '#' )
.attr( 'title', mw.msg( 'rt-settings' ) )
.click( function ( e ) {
e.preventDefault();
if ( settingsDialogOpening ) {
return;
}
settingsDialogOpening = true;
if ( mw.loader.getState( 'oojs-ui' ) !== 'ready' ) {
if ( cursorWaitCss ) {
cursorWaitCss.disabled = false;
} else {
cursorWaitCss = mw.util.addCSS( 'body { cursor: wait; }' );
}
}
mw.loader.using( [ 'oojs', 'oojs-ui' ], openSettingsDialog );
} )
.prependTo( this.$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 = $( '<div>' )
.addClass( 'rt-tail' )
.prependTo( this.$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 );
}() );