mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-12-12 08:15:09 +00:00
397 lines
12 KiB
JavaScript
397 lines
12 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MultimediaViewer.
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*
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* MultimediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MultimediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MultimediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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const { UiElement } = require( 'mmv' );
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const { EmbedFileFormatter, Utils } = require( 'mmv.ui.ondemandshareddependencies' );
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( function () {
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/**
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* UI component that provides functionality to download the media asset displayed.
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*/
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class DownloadPane extends UiElement {
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/**
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* @param {jQuery} $container
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*/
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constructor( $container ) {
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super( $container );
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/** @property {Utils} utils - */
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this.utils = new Utils();
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this.$pane = $( '<div>' )
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.addClass( 'mw-mmv-download-pane' )
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.appendTo( this.$container );
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this.$downloadArea = $( '<div>' )
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.addClass( 'mw-mmv-download-area' )
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.appendTo( this.$pane );
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this.createDownloadButton( this.$downloadArea );
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this.createSizePulldownMenu( this.$downloadArea );
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this.createPreviewLink( this.$downloadArea );
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this.formatter = new EmbedFileFormatter();
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this.currentAttrView = 'plain';
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this.createAttributionButton( this.$pane );
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/**
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* Default item for the size menu.
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*
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* @property {OO.ui.MenuOptionWidget}
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*/
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this.defaultItem = this.downloadSizeMenu.getMenu().findSelectedItem();
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/** @property {Image|null} Image the download button currently points to. */
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this.image = null;
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}
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/**
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* Fired when the attribution call to action panel is clicked.
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*
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* @event DownloadPane#mmv-download-cta-open
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*/
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/**
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* Fired when the attribution area is closed.
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*
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* @event DownloadPane#mmv-download-cta-close
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*/
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/**
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* Creates download split button. It is a link with the "download" property set plus an
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* arrow that allows the user to select the image size desired. The "download" property
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* triggers native browser downloading in browsers that support it. The fallback is the
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* 'download' parameter which instructs the server to send the right headers so the browser
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* downloads the file instead of just displaying it. If all this fails, the image will appear
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* in another window/tab.
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*
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* @param {jQuery} $container
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*/
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createDownloadButton( $container ) {
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this.$downloadButton = $( '<a>' )
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.attr( 'target', '_blank' )
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.attr( 'download', '' )
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.addClass( 'cdx-button cdx-button--weight-primary cdx-button--action-progressive cdx-button--fake-button cdx-button--fake-button--enabled mw-mmv-download-go-button' );
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this.$selectionArrow = $( '<span>' )
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.addClass( 'cdx-button cdx-button--weight-primary cdx-button--action-progressive cdx-button--fake-button cdx-button--fake-button--enabled mw-mmv-download-select-menu' )
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.append(
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$( '<span>' )
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.addClass( 'mw-mmv-download-image-size-name' )
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.text( '\u00A0' )
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)
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.append(
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$( '<span>' )
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.addClass( 'mw-mmv-download-image-size' )
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.text( '\u00A0' )
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);
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$container
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.append( this.$downloadButton )
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.append( this.$selectionArrow );
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}
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/**
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* Creates pulldown menu to select image sizes.
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*
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* @param {jQuery} $container
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*/
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createSizePulldownMenu( $container ) {
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this.downloadSizeMenu = this.utils.createPulldownMenu(
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[ 'original', 'small', 'medium', 'large', 'xl' ],
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[ 'mw-mmv-download-size' ],
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'original'
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);
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$container.append( this.downloadSizeMenu.$element );
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}
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/**
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* Creates preview link.
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*
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* @param {jQuery} $container
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*/
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createPreviewLink( $container ) {
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this.$previewLink = $( '<a>' )
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.attr( 'target', '_blank' )
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.addClass( 'mw-mmv-download-preview-link' )
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.text( mw.message( 'multimediaviewer-download-preview-link-title' ).text() )
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.appendTo( $container );
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}
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createAttributionButton( $container ) {
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const attributionInput = new mw.widgets.CopyTextLayout( {
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align: 'top',
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button: {
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label: '',
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title: mw.msg( 'multimediaviewer-download-attribution-copy' )
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}
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} );
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const attributionSwitch = new OO.ui.ButtonSelectWidget( {
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classes: [ 'mw-mmv-download-attr-select' ]
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} );
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const plainOption = new OO.ui.ButtonOptionWidget( {
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data: 'plain',
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label: mw.message( 'multimediaviewer-attr-plain' ).text()
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} );
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const htmlOption = new OO.ui.ButtonOptionWidget( {
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data: 'html',
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label: mw.message( 'multimediaviewer-attr-html' ).text()
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} );
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attributionSwitch.addItems( [
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plainOption,
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htmlOption
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] );
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attributionSwitch.selectItem( plainOption );
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attributionSwitch.on( 'select', ( selection ) => {
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this.selectAttribution( selection.getData() );
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this.attributionInput.selectText();
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} );
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this.$attributionSection = $( '<div>' )
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.addClass( 'mw-mmv-download-attribution mw-mmv-download-attribution-collapsed' )
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.appendTo( $container )
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.on( 'click', () => {
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if ( this.$attributionSection.hasClass( 'mw-mmv-download-attribution-collapsed' ) ) {
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this.$container.trigger( 'mmv-download-cta-open' );
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this.$attributionSection.removeClass( 'mw-mmv-download-attribution-collapsed' );
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this.attributionInput.selectText();
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}
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} );
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this.$attributionCtaHeader = $( '<p>' )
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.addClass( 'mw-mmv-download-attribution-cta-header' )
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.text( mw.message( 'multimediaviewer-download-attribution-cta-header' ).text() );
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this.$attributionCta = $( '<div>' )
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.addClass( 'mw-mmv-download-attribution-cta' )
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.append(
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this.$attributionCtaHeader,
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$( '<p>' )
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.addClass( 'mw-mmv-download-attribution-cta-invite' )
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.text( mw.message( 'multimediaviewer-download-attribution-cta' ).text() )
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)
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.appendTo( this.$attributionSection );
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this.attributionInput = attributionInput;
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this.$attributionHowHeader = $( '<p>' )
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.addClass( 'mw-mmv-download-attribution-how-header' )
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.text( mw.message( 'multimediaviewer-download-attribution-cta-header' ).text() );
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this.$attributionHow = $( '<div>' )
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.addClass( 'mw-mmv-download-attribution-how' )
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.append(
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this.$attributionHowHeader,
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this.attributionInput.$element,
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new OO.ui.FieldLayout( attributionSwitch, { align: 'top' } ).$element,
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$( '<p>' )
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.addClass( 'mw-mmv-download-attribution-close-button' )
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.on( 'click', ( e ) => {
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this.$container.trigger( 'mmv-download-cta-close' );
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this.$attributionSection.addClass( 'mw-mmv-download-attribution-collapsed' );
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e.stopPropagation();
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} )
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.text( ' ' )
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)
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.appendTo( this.$attributionSection );
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}
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/**
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* Selects the specified attribution type.
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*
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* @param {string} [name='plain'] The attribution type to use ('plain' or 'html')
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*/
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selectAttribution( name ) {
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this.currentAttrView = name;
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if ( this.currentAttrView === 'html' ) {
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this.attributionInput.textInput.setValue( this.htmlCredit );
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} else {
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this.attributionInput.textInput.setValue( this.textCredit );
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}
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}
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/**
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* Registers listeners.
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*/
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attach() {
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// Register handlers for switching between file sizes
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this.downloadSizeMenu.getMenu().on( 'choose', ( item ) => this.handleSizeSwitch( item ) );
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this.$selectionArrow.on( 'click', () => this.downloadSizeMenu.getMenu().toggle() );
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}
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/**
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* Clears listeners.
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*/
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unattach() {
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super.unattach();
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this.downloadSizeMenu.getMenu().off( 'choose' );
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this.$selectionArrow.off( 'click' );
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}
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/**
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* Handles size menu change events.
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*
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* @param {OO.ui.MenuOptionWidget} item
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*/
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handleSizeSwitch( item ) {
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const value = item.getData();
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if ( value.name === 'original' && this.image !== null ) {
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this.setDownloadUrl( this.image.url );
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this.setButtonText( value.name, this.getExtensionFromUrl( this.image.url ),
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value.width, value.height );
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} else {
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// Disable download while we get the image
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this.$downloadButton.addClass( 'disabledLink' );
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// Set a temporary message. It will be updated once we have the file type.
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this.setButtonText( value.name, this.imageExtension, value.width, value.height );
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this.utils.getThumbnailUrlPromise( value.width ).done( ( thumbnail ) => {
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this.setDownloadUrl( thumbnail.url );
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this.setButtonText( value.name, this.getExtensionFromUrl( thumbnail.url ),
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value.width, value.height );
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} );
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}
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}
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/**
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* Sets the URL on the download button.
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*
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* @param {string} url
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*/
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setDownloadUrl( url ) {
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this.$downloadButton.attr( 'href', `${url}?download` );
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this.$previewLink.attr( 'href', url );
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// Re-enable download
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this.$downloadButton.removeClass( 'disabledLink' );
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}
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/**
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* Sets the text of the download button.
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*
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* @param {string} sizeClass A size class such as 'small'
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* @param {string} extension file extension
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* @param {number} width
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* @param {number} height
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*/
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setButtonText( sizeClass, extension, width, height ) {
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// The following messages are used here:
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// * multimediaviewer-download-original-button-name
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// * multimediaviewer-download-small-button-name
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// * multimediaviewer-download-medium-button-name
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// * multimediaviewer-download-large-button-name
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// * multimediaviewer-download-xl-button-name
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const sizeClassMessage = mw.message( `multimediaviewer-download-${sizeClass}-button-name` ).text();
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const dimensionMessage = mw.message( 'multimediaviewer-embed-dimensions', width, height ).text();
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const sizeMessage = mw.message( 'multimediaviewer-embed-dimensions-with-file-format',
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dimensionMessage, extension ).text();
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// Update button label and size strings to reflect new selected size
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this.$downloadButton.html(
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`<span class="mw-mmv-download-image-size-name">${sizeClassMessage}</span>` +
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`<span class="mw-mmv-download-image-size">${sizeMessage}</span>`
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);
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}
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/**
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* Sets the text in the attribution input element.
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*
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* @param {Object} embed
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* @param {Image} embed.imageInfo
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* @param {Repo} embed.repoInfo
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*/
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setAttributionText( embed ) {
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this.htmlCredit = this.formatter.getCreditHtml( embed );
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this.textCredit = this.formatter.getCreditText( embed );
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this.selectAttribution( this.currentAttrView );
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}
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/**
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* Chops off the extension part of an URL.
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*
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* @param {string} url URL
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* @return {string} Extension
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*/
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getExtensionFromUrl( url ) {
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const urlParts = url.split( '.' );
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return urlParts[ urlParts.length - 1 ];
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}
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/**
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* Sets the data on the element.
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*
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* @param {Image} image
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* @param {Repo} repo
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*/
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set( image, repo ) {
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const license = image && image.license;
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const sizeOptions = this.downloadSizeMenu.getMenu().getItems();
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const sizes = this.utils.getPossibleImageSizesForHtml( image.width, image.height );
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this.image = image;
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this.utils.updateMenuOptions( sizes, sizeOptions );
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this.downloadSizeMenu.$element.addClass( 'active' );
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// Note: This extension will not be the real one for file types other than: png/gif/jpg/jpeg
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this.imageExtension = image.title.getExtension().toLowerCase();
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// Reset size menu to default item and update download button label now that we have the info
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this.downloadSizeMenu.getMenu().chooseItem( this.defaultItem );
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if ( image && repo ) {
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const embedFileInfo = {
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imageInfo: image,
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repoInfo: repo
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};
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this.setAttributionText( embedFileInfo );
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}
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const attributionCtaMessage = ( license && license.needsAttribution() ) ?
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'multimediaviewer-download-attribution-cta-header' :
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'multimediaviewer-download-optional-attribution-cta-header';
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// Message defined above
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// eslint-disable-next-line mediawiki/msg-doc
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this.$attributionCtaHeader.text( mw.message( attributionCtaMessage ).text() );
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// eslint-disable-next-line mediawiki/msg-doc
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this.$attributionHowHeader.text( mw.message( attributionCtaMessage ).text() );
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}
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/**
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* @inheritdoc
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*/
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empty() {
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this.downloadSizeMenu.getMenu().toggle( false );
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this.downloadSizeMenu.$element.removeClass( 'active' );
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this.$downloadButton.attr( 'href', '' );
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this.$previewLink.attr( 'href', '' );
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this.imageExtension = undefined;
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this.image = null;
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}
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}
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module.exports = DownloadPane;
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}() );
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