forked from mirrors/gecko-dev
82 lines
2.3 KiB
JavaScript
82 lines
2.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/**
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* This file manages a MigrationWizard embedded in a dialog that runs
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* in a top-level dialog window. It's main responsibility is to listen
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* for dialog-specific events from the embedded MigrationWizard and to
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* respond appropriately to them.
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*
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* A single object argument is expected to be passed when opening
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* this dialog.
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*
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* @param {object} window.arguments.0
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* @param {Function} window.arguments.0.onResize
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* A callback to resize the container of this document when the
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* MigrationWizard resizes.
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* @param {object} window.arguments.0.options
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* A series of options for configuring the dialog. See
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* MigrationUtils.showMigrationWizard for a description of this
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* object.
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*/
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const MigrationDialog = {
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_wiz: null,
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init() {
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addEventListener("load", this);
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},
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onLoad() {
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this._wiz = document.getElementById("wizard");
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this._wiz.addEventListener("MigrationWizard:Close", this);
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document.addEventListener("keypress", this);
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let args = window.arguments[0];
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// When opened via nsIWindowWatcher.openWindow, the arguments are
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// passed through C++, and they arrive to us wrapped as an XPCOM
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// object. We use wrappedJSObject to get at the underlying JS
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// object.
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if (args instanceof Ci.nsISupports) {
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args = args.wrappedJSObject;
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}
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// We have to inform the container of this document that the
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// MigrationWizard has changed size in order for it to update
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// its dimensions too.
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let observer = new ResizeObserver(() => {
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args.onResize();
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});
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observer.observe(this._wiz);
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let panelList = this._wiz.querySelector("panel-list");
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let panel = document.createXULElement("panel");
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panel.appendChild(panelList);
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this._wiz.appendChild(panel);
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this._wiz.requestState();
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},
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handleEvent(event) {
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switch (event.type) {
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case "load": {
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this.onLoad();
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break;
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}
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case "keypress": {
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if (event.keyCode == KeyEvent.DOM_VK_ESCAPE) {
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window.close();
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}
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break;
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}
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case "MigrationWizard:Close": {
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window.close();
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break;
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}
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}
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},
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};
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MigrationDialog.init();
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