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.
106 lines
3.4 KiB
JavaScript
106 lines
3.4 KiB
JavaScript
/* Copyright 2012 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 { NullL10n } from './ui_utils';
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import { PasswordResponses } from 'pdfjs-lib';
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/**
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* @typedef {Object} PasswordPromptOptions
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* @property {string} overlayName - Name of the overlay for the overlay manager.
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* @property {HTMLDivElement} container - Div container for the overlay.
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* @property {HTMLParagraphElement} label - Label containing instructions for
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* entering the password.
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* @property {HTMLInputElement} input - Input field for entering the password.
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* @property {HTMLButtonElement} submitButton - Button for submitting the
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* password.
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* @property {HTMLButtonElement} cancelButton - Button for cancelling password
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* entry.
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*/
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class PasswordPrompt {
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/**
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* @param {PasswordPromptOptions} options
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* @param {OverlayManager} overlayManager - Manager for the viewer overlays.
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* @param {IL10n} l10n - Localization service.
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*/
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constructor(options, overlayManager, l10n = NullL10n) {
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this.overlayName = options.overlayName;
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this.container = options.container;
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this.label = options.label;
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this.input = options.input;
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this.submitButton = options.submitButton;
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this.cancelButton = options.cancelButton;
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this.overlayManager = overlayManager;
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this.l10n = l10n;
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this.updateCallback = null;
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this.reason = null;
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// Attach the event listeners.
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this.submitButton.addEventListener('click', this.verify.bind(this));
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this.cancelButton.addEventListener('click', this.close.bind(this));
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this.input.addEventListener('keydown', (e) => {
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if (e.keyCode === 13) { // Enter key
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this.verify();
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}
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});
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this.overlayManager.register(this.overlayName, this.container,
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this.close.bind(this), true);
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}
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open() {
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this.overlayManager.open(this.overlayName).then(() => {
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this.input.focus();
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let promptString;
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if (this.reason === PasswordResponses.INCORRECT_PASSWORD) {
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promptString = this.l10n.get('password_invalid', null,
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'Invalid password. Please try again.');
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} else {
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promptString = this.l10n.get('password_label', null,
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'Enter the password to open this PDF file.');
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}
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promptString.then((msg) => {
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this.label.textContent = msg;
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});
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});
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}
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close() {
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this.overlayManager.close(this.overlayName).then(() => {
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this.input.value = '';
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});
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}
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verify() {
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let password = this.input.value;
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if (password && password.length > 0) {
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this.close();
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return this.updateCallback(password);
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}
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}
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setUpdateCallback(updateCallback, reason) {
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this.updateCallback = updateCallback;
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this.reason = reason;
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}
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}
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export {
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PasswordPrompt,
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};
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