9c17617fb0
This does a few things to support this new behaviour: 1. Adds the ability for about:preferences category modules to indicate that they want to specially handle subcategories. In this particular case, it causes the "migrate" subcategory of the "general" category to open up the migration dialog. 2. Updates MigrationUtils to open about:preferences#general-migrate if the opener is a tabbrowser window. 3. Adds some utility functions to make writing tests easier. 4. Updates existing tests to expect the wizard to be opened in the about:preferences subdialog. 5. Makes pressing "Escape" close the migration wizard when it's loaded in the migration-dialog.html document. Differential Revision: https://phabricator.services.mozilla.com/D167873
77 lines
2.2 KiB
JavaScript
77 lines
2.2 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 either a TabDialogBox or a top-level dialog window. It's main
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* responsibility is to listen for dialog-specific events from the
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* embedded MigrationWizard and to 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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},
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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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