36881e3770
In order to eventually get rid of SystemJS and start using native `import`s instead, we'll need to provide "complete" file identifiers since otherwise there'll be MIME type errors when attempting to use `import`.
114 lines
3.4 KiB
JavaScript
114 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.js";
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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 === /* Enter = */ 13) {
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this.verify();
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}
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});
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this.overlayManager.register(
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this.overlayName,
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this.container,
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this.close.bind(this),
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true
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);
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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(
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"password_invalid",
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null,
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"Invalid password. Please try again."
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);
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} else {
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promptString = this.l10n.get(
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"password_label",
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null,
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"Enter the password to open this PDF file."
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);
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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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const password = this.input.value;
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if (password && password.length > 0) {
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this.close();
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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 { PasswordPrompt };
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