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- /* Copyright 2022 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- /** @typedef {import("../src/display/api").PDFPageProxy} PDFPageProxy */
- // eslint-disable-next-line max-len
- /** @typedef {import("../src/display/display_utils").PageViewport} PageViewport */
- // eslint-disable-next-line max-len
- /** @typedef {import("../src/display/editor/tools.js").AnnotationEditorUIManager} AnnotationEditorUIManager */
- // eslint-disable-next-line max-len
- /** @typedef {import("./text_accessibility.js").TextAccessibilityManager} TextAccessibilityManager */
- /** @typedef {import("./interfaces").IL10n} IL10n */
- import { AnnotationEditorLayer } from "pdfjs-lib";
- import { NullL10n } from "./l10n_utils.js";
- /**
- * @typedef {Object} AnnotationEditorLayerBuilderOptions
- * @property {AnnotationEditorUIManager} [uiManager]
- * @property {HTMLDivElement} pageDiv
- * @property {PDFPageProxy} pdfPage
- * @property {IL10n} [l10n]
- * @property {TextAccessibilityManager} [accessibilityManager]
- */
- class AnnotationEditorLayerBuilder {
- #uiManager;
- /**
- * @param {AnnotationEditorLayerBuilderOptions} options
- */
- constructor(options) {
- this.pageDiv = options.pageDiv;
- this.pdfPage = options.pdfPage;
- this.accessibilityManager = options.accessibilityManager;
- this.l10n = options.l10n || NullL10n;
- this.annotationEditorLayer = null;
- this.div = null;
- this._cancelled = false;
- this.#uiManager = options.uiManager;
- }
- /**
- * @param {PageViewport} viewport
- * @param {string} intent (default value is 'display')
- */
- async render(viewport, intent = "display") {
- if (intent !== "display") {
- return;
- }
- if (this._cancelled) {
- return;
- }
- const clonedViewport = viewport.clone({ dontFlip: true });
- if (this.div) {
- this.annotationEditorLayer.update({ viewport: clonedViewport });
- this.show();
- return;
- }
- // Create an AnnotationEditor layer div
- const div = (this.div = document.createElement("div"));
- div.className = "annotationEditorLayer";
- div.tabIndex = 0;
- this.pageDiv.append(div);
- this.annotationEditorLayer = new AnnotationEditorLayer({
- uiManager: this.#uiManager,
- div,
- accessibilityManager: this.accessibilityManager,
- pageIndex: this.pdfPage.pageNumber - 1,
- l10n: this.l10n,
- viewport: clonedViewport,
- });
- const parameters = {
- viewport: clonedViewport,
- div,
- annotations: null,
- intent,
- };
- this.annotationEditorLayer.render(parameters);
- }
- cancel() {
- this._cancelled = true;
- if (!this.div) {
- return;
- }
- this.pageDiv = null;
- this.annotationEditorLayer.destroy();
- this.div.remove();
- }
- hide() {
- if (!this.div) {
- return;
- }
- this.div.hidden = true;
- }
- show() {
- if (!this.div) {
- return;
- }
- this.div.hidden = false;
- }
- }
- export { AnnotationEditorLayerBuilder };
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