614e8cf295
Note that these files were among the first to be converted to ES6 classes, so it probably makes sense to do another pass to bring them inline with the most recent ES6 conversions.
118 lines
3.4 KiB
JavaScript
118 lines
3.4 KiB
JavaScript
/* Copyright 2014 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { AnnotationLayer } from 'pdfjs-lib';
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import { NullL10n } from './ui_utils';
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import { SimpleLinkService } from './pdf_link_service';
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/**
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* @typedef {Object} AnnotationLayerBuilderOptions
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* @property {HTMLDivElement} pageDiv
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* @property {PDFPage} pdfPage
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* @property {boolean} renderInteractiveForms
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* @property {IPDFLinkService} linkService
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* @property {DownloadManager} downloadManager
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* @property {IL10n} l10n - Localization service.
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*/
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class AnnotationLayerBuilder {
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/**
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* @param {AnnotationLayerBuilderOptions} options
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*/
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constructor({ pageDiv, pdfPage, linkService, downloadManager,
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renderInteractiveForms = false, l10n = NullL10n, }) {
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this.pageDiv = pageDiv;
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this.pdfPage = pdfPage;
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this.linkService = linkService;
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this.downloadManager = downloadManager;
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this.renderInteractiveForms = renderInteractiveForms;
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this.l10n = l10n;
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this.div = null;
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}
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/**
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* @param {PageViewport} viewport
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* @param {string} intent (default value is 'display')
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*/
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render(viewport, intent = 'display') {
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this.pdfPage.getAnnotations({ intent, }).then((annotations) => {
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let parameters = {
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viewport: viewport.clone({ dontFlip: true, }),
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div: this.div,
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annotations,
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page: this.pdfPage,
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renderInteractiveForms: this.renderInteractiveForms,
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linkService: this.linkService,
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downloadManager: this.downloadManager,
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};
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if (this.div) {
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// If an annotationLayer already exists, refresh its children's
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// transformation matrices.
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AnnotationLayer.update(parameters);
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} else {
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// Create an annotation layer div and render the annotations
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// if there is at least one annotation.
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if (annotations.length === 0) {
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return;
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}
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this.div = document.createElement('div');
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this.div.className = 'annotationLayer';
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this.pageDiv.appendChild(this.div);
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parameters.div = this.div;
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AnnotationLayer.render(parameters);
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this.l10n.translate(this.div);
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}
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});
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}
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hide() {
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if (!this.div) {
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return;
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}
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this.div.setAttribute('hidden', 'true');
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}
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}
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/**
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* @implements IPDFAnnotationLayerFactory
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*/
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class DefaultAnnotationLayerFactory {
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/**
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* @param {HTMLDivElement} pageDiv
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* @param {PDFPage} pdfPage
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* @param {boolean} renderInteractiveForms
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* @param {IL10n} l10n
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* @returns {AnnotationLayerBuilder}
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*/
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createAnnotationLayerBuilder(pageDiv, pdfPage, renderInteractiveForms = false,
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l10n = NullL10n) {
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return new AnnotationLayerBuilder({
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pageDiv,
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pdfPage,
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renderInteractiveForms,
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linkService: new SimpleLinkService(),
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l10n,
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});
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}
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}
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export {
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AnnotationLayerBuilder,
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DefaultAnnotationLayerFactory,
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};
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