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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
import { setKeyboardAccessForNonDialogElements } from "../aboutLoginsUtils.mjs";
export default class ConfirmationDialog extends HTMLElement {
constructor() {
super();
this._promise = null;
}
connectedCallback() {
if (this.shadowRoot) {
return;
}
let template = document.querySelector("#confirmation-dialog-template");
let shadowRoot = this.attachShadow({ mode: "open" });
document.l10n.connectRoot(shadowRoot);
shadowRoot.appendChild(template.content.cloneNode(true));
this._buttons = this.shadowRoot.querySelector(".buttons");
this._cancelButton = this.shadowRoot.querySelector(".cancel-button");
this._confirmButton = this.shadowRoot.querySelector(".confirm-button");
this._dismissButton = this.shadowRoot.querySelector(".dismiss-button");
this._message = this.shadowRoot.querySelector(".message");
this._overlay = this.shadowRoot.querySelector(".overlay");
this._title = this.shadowRoot.querySelector(".title");
}
handleEvent(event) {
switch (event.type) {
case "keydown":
if (event.repeat) {
// Prevent repeat keypresses from accidentally confirming the
// dialog since the confirmation button is focused by default.
event.preventDefault();
return;
}
if (event.key === "Escape" && !event.defaultPrevented) {
this.onCancel();
}
break;
case "click":
if (
event.target.classList.contains("cancel-button") ||
event.currentTarget.classList.contains("dismiss-button") ||
event.target.classList.contains("overlay")
) {
this.onCancel();
} else if (event.target.classList.contains("confirm-button")) {
this.onConfirm();
}
}
}
hide() {
setKeyboardAccessForNonDialogElements(true);
this._cancelButton.removeEventListener("click", this);
this._confirmButton.removeEventListener("click", this);
this._dismissButton.removeEventListener("click", this);
this._overlay.removeEventListener("click", this);
window.removeEventListener("keydown", this);
this.hidden = true;
}
show({ title, message, confirmButtonLabel }) {
setKeyboardAccessForNonDialogElements(false);
this.hidden = false;
document.l10n.setAttributes(this._title, title);
document.l10n.setAttributes(this._message, message);
document.l10n.setAttributes(this._confirmButton, confirmButtonLabel);
this._cancelButton.addEventListener("click", this);
this._confirmButton.addEventListener("click", this);
this._dismissButton.addEventListener("click", this);
this._overlay.addEventListener("click", this);
window.addEventListener("keydown", this);
// For speed-of-use, focus the confirm button when the
// dialog loads. Showing the dialog itself provides enough
// of a buffer for accidental deletions.
this._confirmButton.focus();
this._promise = new Promise((resolve, reject) => {
this._resolve = resolve;
this._reject = reject;
});
return this._promise;
}
onCancel() {
this._reject();
this.hide();
}
onConfirm() {
this._resolve();
this.hide();
}
}
customElements.define("confirmation-dialog", ConfirmationDialog);
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