@wordpress/block-library/build-module/audio/edit.js

Block library for the WordPress editor.

import { createElement, Fragment } from "@wordpress/element";

/**
 * External dependencies
 */
import classnames from 'classnames';
/**
 * WordPress dependencies
 */

import { getBlobByURL, isBlobURL } from '@wordpress/blob';
import { Disabled, PanelBody, SelectControl, Spinner, ToggleControl } from '@wordpress/components';
import { BlockControls, BlockIcon, InspectorControls, MediaPlaceholder, MediaReplaceFlow, RichText, useBlockProps, store as blockEditorStore, __experimentalGetElementClassName } from '@wordpress/block-editor';
import { useEffect } from '@wordpress/element';
import { __, _x } from '@wordpress/i18n';
import { useDispatch, useSelect } from '@wordpress/data';
import { audio as icon } from '@wordpress/icons';
import { createBlock, getDefaultBlockName } from '@wordpress/blocks';
import { store as noticesStore } from '@wordpress/notices';
/**
 * Internal dependencies
 */

import { createUpgradedEmbedBlock } from '../embed/util';
const ALLOWED_MEDIA_TYPES = ['audio'];

function AudioEdit(_ref) {
  let {
    attributes,
    className,
    setAttributes,
    onReplace,
    isSelected,
    insertBlocksAfter
  } = _ref;
  const {
    id,
    autoplay,
    caption,
    loop,
    preload,
    src
  } = attributes;
  const isTemporaryAudio = !id && isBlobURL(src);
  const mediaUpload = useSelect(select => {
    const {
      getSettings
    } = select(blockEditorStore);
    return getSettings().mediaUpload;
  }, []);
  useEffect(() => {
    if (!id && isBlobURL(src)) {
      const file = getBlobByURL(src);

      if (file) {
        mediaUpload({
          filesList: [file],
          onFileChange: _ref2 => {
            let [media] = _ref2;
            return onSelectAudio(media);
          },
          onError: e => onUploadError(e),
          allowedTypes: ALLOWED_MEDIA_TYPES
        });
      }
    }
  }, []);

  function toggleAttribute(attribute) {
    return newValue => {
      setAttributes({
        [attribute]: newValue
      });
    };
  }

  function onSelectURL(newSrc) {
    // Set the block's src from the edit component's state, and switch off
    // the editing UI.
    if (newSrc !== src) {
      // Check if there's an embed block that handles this URL.
      const embedBlock = createUpgradedEmbedBlock({
        attributes: {
          url: newSrc
        }
      });

      if (undefined !== embedBlock && onReplace) {
        onReplace(embedBlock);
        return;
      }

      setAttributes({
        src: newSrc,
        id: undefined
      });
    }
  }

  const {
    createErrorNotice
  } = useDispatch(noticesStore);

  function onUploadError(message) {
    createErrorNotice(message, {
      type: 'snackbar'
    });
  }

  function getAutoplayHelp(checked) {
    return checked ? __('Autoplay may cause usability issues for some users.') : null;
  }

  function onSelectAudio(media) {
    if (!media || !media.url) {
      // In this case there was an error and we should continue in the editing state
      // previous attributes should be removed because they may be temporary blob urls.
      setAttributes({
        src: undefined,
        id: undefined
      });
      return;
    } // Sets the block's attribute and updates the edit component from the
    // selected media, then switches off the editing UI.


    setAttributes({
      src: media.url,
      id: media.id
    });
  }

  const classes = classnames(className, {
    'is-transient': isTemporaryAudio
  });
  const blockProps = useBlockProps({
    className: classes
  });

  if (!src) {
    return createElement("div", blockProps, createElement(MediaPlaceholder, {
      icon: createElement(BlockIcon, {
        icon: icon
      }),
      onSelect: onSelectAudio,
      onSelectURL: onSelectURL,
      accept: "audio/*",
      allowedTypes: ALLOWED_MEDIA_TYPES,
      value: attributes,
      onError: onUploadError
    }));
  }

  return createElement(Fragment, null, createElement(BlockControls, {
    group: "other"
  }, createElement(MediaReplaceFlow, {
    mediaId: id,
    mediaURL: src,
    allowedTypes: ALLOWED_MEDIA_TYPES,
    accept: "audio/*",
    onSelect: onSelectAudio,
    onSelectURL: onSelectURL,
    onError: onUploadError
  })), createElement(InspectorControls, null, createElement(PanelBody, {
    title: __('Settings')
  }, createElement(ToggleControl, {
    label: __('Autoplay'),
    onChange: toggleAttribute('autoplay'),
    checked: autoplay,
    help: getAutoplayHelp
  }), createElement(ToggleControl, {
    label: __('Loop'),
    onChange: toggleAttribute('loop'),
    checked: loop
  }), createElement(SelectControl, {
    label: _x('Preload', 'noun; Audio block parameter'),
    value: preload || '' // `undefined` is required for the preload attribute to be unset.
    ,
    onChange: value => setAttributes({
      preload: value || undefined
    }),
    options: [{
      value: '',
      label: __('Browser default')
    }, {
      value: 'auto',
      label: __('Auto')
    }, {
      value: 'metadata',
      label: __('Metadata')
    }, {
      value: 'none',
      label: _x('None', 'Preload value')
    }]
  }))), createElement("figure", blockProps, createElement(Disabled, {
    isDisabled: !isSelected
  }, createElement("audio", {
    controls: "controls",
    src: src
  })), isTemporaryAudio && createElement(Spinner, null), (!RichText.isEmpty(caption) || isSelected) && createElement(RichText, {
    tagName: "figcaption",
    className: __experimentalGetElementClassName('caption'),
    "aria-label": __('Audio caption text'),
    placeholder: __('Add caption'),
    value: caption,
    onChange: value => setAttributes({
      caption: value
    }),
    inlineToolbar: true,
    __unstableOnSplitAtEnd: () => insertBlocksAfter(createBlock(getDefaultBlockName()))
  })));
}

export default AudioEdit;
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