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We need to collect how many Confluence instances are loaded and how percentage of that is old versions which require split keypress event model. Differential Revision: https://phabricator.services.mozilla.com/D17908 --HG-- extra : moz-landing-system : lando
87 lines
3.4 KiB
JavaScript
87 lines
3.4 KiB
JavaScript
/* -*- mode: js; indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var EXPORTED_SYMBOLS = ["KeyPressEventModelCheckerChild"];
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const {ActorChild} = ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
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const {AppConstants} = ChromeUtils.import("resource://gre/modules/AppConstants.jsm");
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const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
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class KeyPressEventModelCheckerChild extends ActorChild {
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// Currently, the event is dispatched only when the document becomes editable
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// because of contenteditable. If you need to add new editor which is in
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// designMode, you need to change MaybeDispatchCheckKeyPressEventModelEvent()
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// of nsHTMLDocument.
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handleEvent(aEvent) {
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if (!AppConstants.DEBUG) {
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// Stop propagation in opt build to save the propagation cost.
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// However, the event is necessary for running test_bug1514940.html.
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// Therefore, we need to keep propagating it at least on debug build.
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aEvent.stopImmediatePropagation();
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}
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// Currently, even if we set HTMLDocument.KEYPRESS_EVENT_MODEL_CONFLATED
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// here, conflated model isn't used forcibly. If you need it, you need
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// to change WidgetKeyboardEvent, dom::KeyboardEvent and PresShell.
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let model = HTMLDocument.KEYPRESS_EVENT_MODEL_DEFAULT;
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if (this._isOldConfluence(aEvent.target.ownerGlobal)) {
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model = HTMLDocument.KEYPRESS_EVENT_MODEL_SPLIT;
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}
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aEvent.target.setKeyPressEventModel(model);
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}
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_isOldConfluence(aWindow) {
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if (!aWindow) {
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return false;
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}
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// aWindow should be an editor window in <iframe>. However, we don't know
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// whether it can be without <iframe>. Anyway, there should be tinyMCE
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// object in the parent window or in the window.
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let tinyMCEObject;
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// First, try to retrieve tinyMCE object from parent window.
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try {
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tinyMCEObject = ChromeUtils.waiveXrays(aWindow.parent).tinyMCE;
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} catch (e) {
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// Ignore the exception for now.
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}
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// Next, if there is no tinyMCE object in the parent window, let's check
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// the window.
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if (!tinyMCEObject) {
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try {
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tinyMCEObject = ChromeUtils.waiveXrays(aWindow).tinyMCE;
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} catch (e) {
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// Fallthrough to return false below.
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}
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// If we couldn't find tinyMCE object, let's assume that it's not
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// Confluence instance.
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if (!tinyMCEObject) {
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return false;
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}
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}
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// If there is tinyMCE object, we can assume that we loaded Confluence
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// instance. So, let's check the version whether it allows conflated
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// keypress event model.
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try {
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let {author, version} =
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new tinyMCEObject.plugins.CursorTargetPlugin().getInfo();
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// If it's not Confluence, don't include it into the telemetry because
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// we just need to collect percentage of old version in all loaded
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// Confluence instances.
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if (author !== "Atlassian") {
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return false;
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}
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let isOldVersion = version === "1.0";
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Services.telemetry.keyedScalarAdd("dom.event.confluence_load_count",
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isOldVersion ? "old" : "new", 1);
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return isOldVersion;
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} catch (e) {
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return false;
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}
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}
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}
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