mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-12-20 18:12:51 +00:00
516 lines
16 KiB
JavaScript
516 lines
16 KiB
JavaScript
/*!
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* VisualEditor MediaWiki Initialization MobileArticleTarget class.
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*
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* @copyright See AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* @external mw.mobileFrontend.VisualEditorOverlay
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*/
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/**
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* MediaWiki mobile article target.
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*
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* @class
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* @extends ve.init.mw.ArticleTarget
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*
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* @constructor
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* @param {mw.mobileFrontend.VisualEditorOverlay} overlay Mobile frontend overlay
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* @param {Object} [config] Configuration options
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* @cfg {Object} [toolbarConfig]
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* @cfg {string|null} [section] Number of the section target should scroll to
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*/
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ve.init.mw.MobileArticleTarget = function VeInitMwMobileArticleTarget( overlay, config ) {
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this.overlay = overlay;
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this.$overlay = overlay.$el;
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this.$overlaySurface = overlay.$el.find( '.surface' );
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config = config || {};
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config.toolbarConfig = ve.extendObject( {
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actions: false
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}, config.toolbarConfig );
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// Parent constructor
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ve.init.mw.MobileArticleTarget.super.call( this, config );
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// eslint-disable-next-line no-jquery/no-global-selector
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this.$editableContent = $( '#mw-content-text' );
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if ( config.section !== undefined ) {
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this.section = config.section;
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}
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// Initialization
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this.$element.addClass( 've-init-mw-mobileArticleTarget ve-init-mobileTarget' );
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};
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/* Inheritance */
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OO.inheritClass( ve.init.mw.MobileArticleTarget, ve.init.mw.ArticleTarget );
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/* Static Properties */
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ve.init.mw.MobileArticleTarget.static.toolbarGroups = [
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// History
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{
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name: 'history',
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include: [ 'undo' ]
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},
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// Style
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{
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name: 'style',
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classes: [ 've-test-toolbar-style' ],
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type: 'list',
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icon: 'textStyle',
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title: OO.ui.deferMsg( 'visualeditor-toolbar-style-tooltip' ),
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label: OO.ui.deferMsg( 'visualeditor-toolbar-style-tooltip' ),
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invisibleLabel: true,
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include: [ { group: 'textStyle' }, 'language', 'clear' ],
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forceExpand: [ 'bold', 'italic', 'clear' ],
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promote: [ 'bold', 'italic' ],
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demote: [ 'strikethrough', 'code', 'underline', 'language', 'clear' ]
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},
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// Link
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{
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name: 'link',
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include: [ 'link' ]
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},
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// Placeholder for reference tools (e.g. Cite and/or Citoid)
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{
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name: 'reference'
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}
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];
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ve.init.mw.MobileArticleTarget.static.trackingName = 'mobile';
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// FIXME Some of these users will be on tablets, check for this
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ve.init.mw.MobileArticleTarget.static.platformType = 'phone';
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/* Methods */
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.deactivateSurfaceForToolbar = function () {
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.deactivateSurfaceForToolbar.call( this );
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if ( this.wasSurfaceActive && ve.init.platform.constructor.static.isIos() ) {
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this.prevScrollPosition = this.$scrollContainer.scrollTop();
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}
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.activateSurfaceForToolbar = function () {
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.activateSurfaceForToolbar.call( this );
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if ( this.wasSurfaceActive && ve.init.platform.constructor.static.isIos() ) {
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// Setting the cursor can cause unwanted scrolling on iOS, so manually
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// restore the scroll offset from before the toolbar was opened (T218650).
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this.$scrollContainer.scrollTop( this.prevScrollPosition );
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}
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.clearSurfaces = function () {
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if ( ve.init.platform.constructor.static.isIos() && this.viewportZoomHandler ) {
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this.viewportZoomHandler.detach();
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this.viewportZoomHandler = null;
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}
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.clearSurfaces.call( this );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.onContainerScroll = function () {
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// Editor may not have loaded yet, in which case `this.surface` is undefined
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var surfaceView = this.surface && this.surface.getView(),
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isActiveWithKeyboard = surfaceView && surfaceView.isFocused() && !surfaceView.isDeactivated();
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// On iOS Safari, when the keyboard is open, the layout viewport reported by the browser is not
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// updated to match the real viewport reduced by the keyboard (diagram: T218414#5027607). On all
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// modern non-iOS browsers the layout viewport is updated to match real viewport.
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//
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// This allows the fixed toolbar to be scrolled out of view, ignoring `position: fixed` (because
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// it refers to the layout viewport).
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//
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// When this happens, bring it back in by scrolling down a bit and back up until the top of the
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// fake viewport is aligned with the top of the real viewport.
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clearTimeout( this.onContainerScrollTimer );
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if ( !isActiveWithKeyboard ) {
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return;
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}
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// Wait until after the scroll, because 'scroll' events are not emitted for every frame the
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// browser paints, so the toolbar would lag behind in a very unseemly manner. Additionally,
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// getBoundingClientRect returns incorrect values during scrolling, so make sure to calculate
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// it only after the scrolling ends (https://openradar.appspot.com/radar?id=6668472289329152).
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var animateToolbarIntoView;
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this.onContainerScrollTimer = setTimeout( animateToolbarIntoView = () => {
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if ( this.toolbarAnimating ) {
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// We can't do this while the 'transform' transition is happening, because
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// getBoundingClientRect() returns values that reflect that (and are negative).
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return;
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}
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var $header = this.overlay.$el.find( '.overlay-header-container' );
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// Check if toolbar is offscreen. In a better world, this would reject all negative values
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// (pos >= 0), but getBoundingClientRect often returns funny small fractional values after
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// this function has done its job (which triggers another 'scroll' event) and before the
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// user scrolled again. If we allowed it to run, it would trigger a hilarious loop! Toolbar
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// being 1px offscreen is not a big deal anyway.
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var pos = $header[ 0 ].getBoundingClientRect().top;
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if ( pos >= -1 ) {
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return;
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}
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// We don't know how much we have to scroll because we don't know how large the real
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// viewport is. This value is bigger than the screen height of all iOS devices.
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var viewportHeight = 2000;
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// OK so this one is really weird. Normally on iOS, the scroll position is set on <body>.
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// But on our sites, when using iOS 13, it's on <html> instead - maybe due to some funny
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// CSS we set on html and body? Anyway, this seems to work...
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var scrollY = document.body.scrollTop || document.documentElement.scrollTop;
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var scrollX = document.body.scrollLeft || document.documentElement.scrollLeft;
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// Prevent the scrolling we're about to do from triggering this event handler again.
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this.toolbarAnimating = true;
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var $overlaySurface = this.$overlaySurface;
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// Scroll down and translate the surface by the same amount, otherwise the content at new
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// scroll position visibly flashes.
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$overlaySurface.css( 'transform', 'translateY( ' + viewportHeight + 'px )' );
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window.scroll( scrollX, scrollY + viewportHeight );
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// Prepate to animate toolbar sliding into view
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$header.removeClass( 'toolbar-shown toolbar-shown-done' );
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var headerHeight = $header[ 0 ].offsetHeight;
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var headerTranslateY = Math.max( -headerHeight, pos );
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$header.css( 'transform', 'translateY( ' + headerTranslateY + 'px )' );
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// The scroll back up must be after a delay, otherwise no scrolling happens and the
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// viewports are not aligned.
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setTimeout( () => {
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// Scroll back up
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$overlaySurface.css( 'transform', '' );
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window.scroll( scrollX, scrollY );
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// Animate toolbar sliding into view
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$header.addClass( 'toolbar-shown' ).css( 'transform', '' );
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setTimeout( () => {
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$header.addClass( 'toolbar-shown-done' );
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// Wait until the animation is done before allowing this event handler to trigger again
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this.toolbarAnimating = false;
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// Re-check after the animation is done, in case the user scrolls in the meantime.
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animateToolbarIntoView();
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// The animation takes 250ms but we need to wait longer for some reason…
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// 'transitionend' event also doesn't seem to work reliably.
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}, 300 );
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// If the delays below are made any smaller, the weirdest graphical glitches happen,
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// so don't mess with them
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}, 50 );
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}, 250 );
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};
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/**
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* Handle surface scroll events
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*/
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ve.init.mw.MobileArticleTarget.prototype.onSurfaceScroll = function () {
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if ( ve.init.platform.constructor.static.isIos() && this.getSurface() ) {
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// iOS has a bug where if you change the scroll offset of a
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// contentEditable or textarea with a cursor visible, it disappears.
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// This function works around it by removing and reapplying the selection.
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var nativeSelection = this.getSurface().getView().nativeSelection;
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if ( nativeSelection.rangeCount && document.activeElement.contentEditable === 'true' ) {
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var range = nativeSelection.getRangeAt( 0 );
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nativeSelection.removeAllRanges();
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nativeSelection.addRange( range );
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}
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}
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.createSurface = function ( dmDoc, config ) {
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if ( this.overlay.isNewPage ) {
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config = ve.extendObject( {
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placeholder: this.overlay.options.placeholder
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}, config );
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}
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// Parent method
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var surface = ve.init.mw.MobileArticleTarget
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.super.prototype.createSurface.call( this, dmDoc, config );
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surface.connect( this, { scroll: 'onSurfaceScroll' } );
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return surface;
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.getSurfaceClasses = function () {
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var classes = ve.init.mw.MobileArticleTarget.super.prototype.getSurfaceClasses.call( this );
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return classes.concat( [ 'content' ] );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.setSurface = function ( surface ) {
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var changed = surface !== this.surface;
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// Parent method
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// FIXME This actually skips ve.init.mw.Target.prototype.setSurface. Why?
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ve.init.mw.Target.super.prototype.setSurface.apply( this, arguments );
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if ( changed ) {
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this.$overlaySurface.append( surface.$element );
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}
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.surfaceReady = function () {
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if ( this.teardownPromise ) {
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// Loading was cancelled, the overlay is already closed at this point. Do nothing.
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// Otherwise e.g. scrolling from #goToHeading would kick in and mess things up.
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return;
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}
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// Deactivate the surface so any initial selection set in surfaceReady
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// listeners doesn't cause the keyboard to be shown.
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this.getSurface().getView().deactivate( false );
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.surfaceReady.apply( this, arguments );
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// If no selection has been set yet, set it to the start of the document.
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if ( this.getSurface().getModel().getSelection().isNull() ) {
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this.getSurface().getView().selectFirstSelectableContentOffset();
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}
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this.events.trackActivationComplete();
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if ( ve.init.platform.constructor.static.isIos() ) {
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if ( this.viewportZoomHandler ) {
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this.viewportZoomHandler.detach();
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}
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this.viewportZoomHandler = new ve.init.mw.ViewportZoomHandler();
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this.viewportZoomHandler.attach( this.getSurface() );
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}
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.afterSurfaceReady = function () {
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this.adjustContentPadding();
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.afterSurfaceReady.apply( this, arguments );
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};
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/**
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* Match the content padding to the toolbar height
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*/
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ve.init.mw.MobileArticleTarget.prototype.adjustContentPadding = function () {
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var surface = this.getSurface(),
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surfaceView = surface.getView(),
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toolbarHeight = this.getToolbar().$element[ 0 ].clientHeight;
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surface.setPadding( {
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top: toolbarHeight
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} );
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surfaceView.$attachedRootNode.css( 'padding-top', toolbarHeight );
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surface.$placeholder.css( 'padding-top', toolbarHeight );
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surfaceView.emit( 'position' );
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surface.scrollSelectionIntoView();
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.switchToFallbackWikitextEditor = function ( modified ) {
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var dataPromise;
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if ( modified ) {
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dataPromise = this.getWikitextDataPromiseForDoc( modified ).then( ( response ) => {
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var content = ve.getProp( response, 'visualeditoredit', 'content' );
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return { text: content };
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} );
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}
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this.overlay.switchToSourceEditor( dataPromise );
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return dataPromise;
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.save = function () {
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// Parent method
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var promise = ve.init.mw.MobileArticleTarget.super.prototype.save.apply( this, arguments );
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this.overlay.log( {
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action: 'saveAttempt'
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} );
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return promise;
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.showSaveDialog = function () {
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.showSaveDialog.apply( this, arguments );
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this.overlay.log( {
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action: 'saveIntent'
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} );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.replacePageContent = function (
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html, categoriesHtml, displayTitle, lastModified /* , contentSub, sections */
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) {
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.replacePageContent.apply( this, arguments );
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if ( lastModified ) {
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// TODO: Update the last-modified-bar with the correct info
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// eslint-disable-next-line no-jquery/no-global-selector
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$( '.last-modified-bar' ).remove();
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}
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.saveComplete = function ( data ) {
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// Set 'saved' flag before teardown (which is called in parent method) to avoid prompts
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// This is set in this.overlay.onSaveComplete, but we can't call that until we have
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// computed the fragment.
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this.overlay.saved = true;
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.saveComplete.apply( this, arguments );
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var fragment = this.getSectionHashFromPage().slice( 1 );
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this.overlay.sectionId = fragment;
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this.overlay.onSaveComplete( data.newrevid, data.tempusercreatedredirect, data.tempusercreated );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.saveFail = function ( doc, saveData, code, data ) {
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// parent method
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ve.init.mw.MobileArticleTarget.super.prototype.saveFail.apply( this, arguments );
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this.overlay.onSaveFailure( data );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.tryTeardown = function () {
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this.overlay.onExitClick( $.Event() );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.setupToolbar = function ( surface ) {
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var originalToolbarGroups = this.toolbarGroups;
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// We don't want any of these tools to show up in subordinate widgets, so we
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// temporarily add them here. We need to do it _here_ rather than in their
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// own static variable to make sure that other tools which meddle with
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// toolbarGroups (Cite, mostly) have a chance to do so.
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this.toolbarGroups = [].concat(
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[
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// Back
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{
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name: 'back',
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include: [ 'back' ]
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}
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],
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this.toolbarGroups,
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[
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{
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name: 'editMode',
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type: 'list',
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icon: 'edit',
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title: ve.msg( 'visualeditor-mweditmode-tooltip' ),
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label: ve.msg( 'visualeditor-mweditmode-tooltip' ),
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invisibleLabel: true,
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include: [ { group: 'editMode' } ]
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},
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{
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name: 'save',
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type: 'bar',
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include: [ 'showSave' ]
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}
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]
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);
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// Parent method
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ve.init.mw.MobileArticleTarget.super.prototype.setupToolbar.call( this, surface );
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this.toolbarGroups = originalToolbarGroups;
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this.toolbar.$element.addClass( 've-init-mw-mobileArticleTarget-toolbar' );
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this.toolbar.$popups.addClass( 've-init-mw-mobileArticleTarget-toolbar-popups' );
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.attachToolbar = function () {
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// Move the toolbar to the overlay header
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this.overlay.$el.find( '.overlay-header > .toolbar' ).append( this.toolbar.$element );
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this.toolbar.initialize();
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.setupToolbarSaveButton = function () {
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this.toolbarSaveButton = this.toolbar.getToolGroupByName( 'save' ).items[ 0 ];
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};
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/**
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* @inheritdoc
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*/
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ve.init.mw.MobileArticleTarget.prototype.goToHeading = function ( headingNode ) {
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this.scrollToHeading( headingNode );
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};
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/**
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* Done with the editing toolbar
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*/
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ve.init.mw.MobileArticleTarget.prototype.done = function () {
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this.getSurface().getModel().setNullSelection();
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this.getSurface().getView().blur();
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};
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/* Registration */
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ve.init.mw.targetFactory.register( ve.init.mw.MobileArticleTarget );
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