From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- devtools/server/actors/resources/css-changes.js | 42 +++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 devtools/server/actors/resources/css-changes.js (limited to 'devtools/server/actors/resources/css-changes.js') diff --git a/devtools/server/actors/resources/css-changes.js b/devtools/server/actors/resources/css-changes.js new file mode 100644 index 0000000000..e86503be87 --- /dev/null +++ b/devtools/server/actors/resources/css-changes.js @@ -0,0 +1,42 @@ +/* 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/. */ + +"use strict"; + +const { + TYPES: { CSS_CHANGE }, +} = require("resource://devtools/server/actors/resources/index.js"); +const TrackChangeEmitter = require("resource://devtools/server/actors/utils/track-change-emitter.js"); + +/** + * Start watching for all css changes related to a given Target Actor. + * + * @param TargetActor targetActor + * The target actor from which we should observe css changes. + * @param Object options + * Dictionary object with following attributes: + * - onAvailable: mandatory function + * This will be called for each resource. + */ +class CSSChangeWatcher { + constructor() { + this.onTrackChange = this.onTrackChange.bind(this); + } + + async watch(targetActor, { onAvailable }) { + this.onAvailable = onAvailable; + TrackChangeEmitter.on("track-change", this.onTrackChange); + } + + onTrackChange(change) { + change.resourceType = CSS_CHANGE; + this.onAvailable([change]); + } + + destroy() { + TrackChangeEmitter.off("track-change", this.onTrackChange); + } +} + +module.exports = CSSChangeWatcher; -- cgit v1.2.3