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