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Viewing file:     mediaembedediting.js (7.48 KB)      -rwxrwxr-x

/**
 * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

/**
 * @module media-embed/mediaembedediting
 */

import { Plugin } from 'ckeditor5/src/core';
import { first } from 'ckeditor5/src/utils';

import { modelToViewUrlAttributeConverter } from './converters';
import MediaEmbedCommand from './mediaembedcommand';
import MediaRegistry from './mediaregistry';
import { toMediaWidget, createMediaFigureElement } from './utils';

import '../theme/mediaembedediting.css';

/**
 * The media embed editing feature.
 *
 * @extends module:core/plugin~Plugin
 */
export default class MediaEmbedEditing extends Plugin {
	/**
	 * @inheritDoc
	 */
	static get pluginName() {
		return 'MediaEmbedEditing';
	}

	/**
	 * @inheritDoc
	 */
	constructor( editor ) {
		super( editor );

		editor.config.define( 'mediaEmbed', {
			elementName: 'oembed',
			providers: [
				{
					name: 'dailymotion',
					url: /^dailymotion\.com\/video\/(\w+)/,
					html: match => {
						const id = match[ 1 ];

						return (
							'<div style="position: relative; padding-bottom: 100%; height: 0; ">' +
								`<iframe src="https://www.dailymotion.com/embed/video/${ id }" ` +
									'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" ' +
									'frameborder="0" width="480" height="270" allowfullscreen allow="autoplay">' +
								'</iframe>' +
							'</div>'
						);
					}
				},

				{
					name: 'spotify',
					url: [
						/^open\.spotify\.com\/(artist\/\w+)/,
						/^open\.spotify\.com\/(album\/\w+)/,
						/^open\.spotify\.com\/(track\/\w+)/
					],
					html: match => {
						const id = match[ 1 ];

						return (
							'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;">' +
								`<iframe src="https://open.spotify.com/embed/${ id }" ` +
									'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" ' +
									'frameborder="0" allowtransparency="true" allow="encrypted-media">' +
								'</iframe>' +
							'</div>'
						);
					}
				},

				{
					name: 'youtube',
					url: [
						/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,
						/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,
						/^youtube\.com\/embed\/([\w-]+)/,
						/^youtu\.be\/([\w-]+)/
					],
					html: match => {
						const id = match[ 1 ];

						return (
							'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">' +
								`<iframe src="https://www.youtube.com/embed/${ id }" ` +
									'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" ' +
									'frameborder="0" allow="autoplay; encrypted-media" allowfullscreen>' +
								'</iframe>' +
							'</div>'
						);
					}
				},

				{
					name: 'vimeo',
					url: [
						/^vimeo\.com\/(\d+)/,
						/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,
						/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,
						/^vimeo\.com\/channels\/[^/]+\/(\d+)/,
						/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,
						/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,
						/^player\.vimeo\.com\/video\/(\d+)/
					],
					html: match => {
						const id = match[ 1 ];

						return (
							'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">' +
								`<iframe src="https://player.vimeo.com/video/${ id }" ` +
									'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" ' +
									'frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen>' +
								'</iframe>' +
							'</div>'
						);
					}
				},

				{
					name: 'instagram',
					url: /^instagram\.com\/p\/(\w+)/
				},
				{
					name: 'twitter',
					url: /^twitter\.com/
				},
				{
					name: 'googleMaps',
					url: [
						/^google\.com\/maps/,
						/^goo\.gl\/maps/,
						/^maps\.google\.com/,
						/^maps\.app\.goo\.gl/
					]
				},
				{
					name: 'flickr',
					url: /^flickr\.com/
				},
				{
					name: 'facebook',
					url: /^facebook\.com/
				}
			]
		} );

		/**
		 * The media registry managing the media providers in the editor.
		 *
		 * @member {module:media-embed/mediaregistry~MediaRegistry} #registry
		 */
		this.registry = new MediaRegistry( editor.locale, editor.config.get( 'mediaEmbed' ) );
	}

	/**
	 * @inheritDoc
	 */
	init() {
		const editor = this.editor;
		const schema = editor.model.schema;
		const t = editor.t;
		const conversion = editor.conversion;
		const renderMediaPreview = editor.config.get( 'mediaEmbed.previewsInData' );
		const elementName = editor.config.get( 'mediaEmbed.elementName' );

		const registry = this.registry;

		editor.commands.add( 'mediaEmbed', new MediaEmbedCommand( editor ) );

		// Configure the schema.
		schema.register( 'media', {
			isObject: true,
			isBlock: true,
			allowWhere: '$block',
			allowAttributes: [ 'url' ]
		} );

		// Model -> Data
		conversion.for( 'dataDowncast' ).elementToElement( {
			model: 'media',
			view: ( modelElement, { writer } ) => {
				const url = modelElement.getAttribute( 'url' );

				return createMediaFigureElement( writer, registry, url, {
					elementName,
					renderMediaPreview: url && renderMediaPreview
				} );
			}
		} );

		// Model -> Data (url -> data-oembed-url)
		conversion.for( 'dataDowncast' ).add(
			modelToViewUrlAttributeConverter( registry, {
				elementName,
				renderMediaPreview
			} ) );

		// Model -> View (element)
		conversion.for( 'editingDowncast' ).elementToElement( {
			model: 'media',
			view: ( modelElement, { writer } ) => {
				const url = modelElement.getAttribute( 'url' );
				const figure = createMediaFigureElement( writer, registry, url, {
					elementName,
					renderForEditingView: true
				} );

				return toMediaWidget( figure, writer, t( 'media widget' ) );
			}
		} );

		// Model -> View (url -> data-oembed-url)
		conversion.for( 'editingDowncast' ).add(
			modelToViewUrlAttributeConverter( registry, {
				elementName,
				renderForEditingView: true
			} ) );

		// View -> Model (data-oembed-url -> url)
		conversion.for( 'upcast' )
			// Upcast semantic media.
			.elementToElement( {
				view: element => [ 'oembed', elementName ].includes( element.name ) && element.getAttribute( 'url' ) ?
					{ name: true } :
					null,
				model: ( viewMedia, { writer } ) => {
					const url = viewMedia.getAttribute( 'url' );

					if ( registry.hasMedia( url ) ) {
						return writer.createElement( 'media', { url } );
					}
				}
			} )
			// Upcast non-semantic media.
			.elementToElement( {
				view: {
					name: 'div',
					attributes: {
						'data-oembed-url': true
					}
				},
				model: ( viewMedia, { writer } ) => {
					const url = viewMedia.getAttribute( 'data-oembed-url' );

					if ( registry.hasMedia( url ) ) {
						return writer.createElement( 'media', { url } );
					}
				}
			} )
			// Consume `<figure class="media">` elements, that were left after upcast.
			.add( dispatcher => {
				dispatcher.on( 'element:figure', converter );

				function converter( evt, data, conversionApi ) {
					if ( !conversionApi.consumable.consume( data.viewItem, { name: true, classes: 'media' } ) ) {
						return;
					}

					const { modelRange, modelCursor } = conversionApi.convertChildren( data.viewItem, data.modelCursor );

					data.modelRange = modelRange;
					data.modelCursor = modelCursor;

					const modelElement = first( modelRange.getItems() );

					if ( !modelElement ) {
						// Revert consumed figure so other features can convert it.
						conversionApi.consumable.revert( data.viewItem, { name: true, classes: 'media' } );
					}
				}
			} );
	}
}