utils.js 1.3 KB

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. import ImageLoadObserver from '../../../src/image/imageloadobserver';
  6. // A 100x50 black png image
  7. export const IMAGE_SRC_FIXTURE = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAAAyCAQAAAAAPLY1AAAAQklEQVR42u3PQREAAAgDoK1/' +
  8. 'aM3g14MGNJMXKiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiJysRFNMgH0RpujAAAAAElFTkSuQmCC';
  9. export async function waitForAllImagesLoaded( editor ) {
  10. // Returns a promise that waits for all the images in editor to be loaded.
  11. // This is needed because resizers are created only after images are loaded.
  12. const root = editor.model.document.getRoot();
  13. const editingView = editor.editing.view;
  14. const images = new Set();
  15. for ( const curModel of root.getChildren() ) {
  16. if ( curModel.is( 'element', 'image' ) ) {
  17. const imageView = editor.editing.mapper.toViewElement( curModel );
  18. images.add( editingView.domConverter.viewToDom( imageView ).querySelector( 'img' ) );
  19. }
  20. }
  21. editingView.addObserver( ImageLoadObserver );
  22. return new Promise( resolve => {
  23. editingView.document.on( 'imageLoaded', ( evt, domEvent ) => {
  24. images.delete( domEvent.target );
  25. if ( images.size === 0 ) {
  26. resolve();
  27. }
  28. } );
  29. } );
  30. }