44 lines
1.1 KiB
JavaScript
44 lines
1.1 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
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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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const { Actor } = require("resource://devtools/shared/protocol.js");
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const {
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manifestSpec,
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} = require("resource://devtools/shared/specs/manifest.js");
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const lazy = {};
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ChromeUtils.defineESModuleGetters(
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lazy,
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{
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ManifestObtainer: "resource://gre/modules/ManifestObtainer.sys.mjs",
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},
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{ global: "contextual" }
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);
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/**
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* An actor for a Web Manifest
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*/
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class ManifestActor extends Actor {
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constructor(conn, targetActor) {
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super(conn, manifestSpec);
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this.targetActor = targetActor;
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}
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async fetchCanonicalManifest() {
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try {
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const manifest = await lazy.ManifestObtainer.contentObtainManifest(
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this.targetActor.window,
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{ checkConformance: true }
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);
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return { manifest };
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} catch (error) {
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return { manifest: null, errorMessage: error.message };
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}
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}
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}
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exports.ManifestActor = ManifestActor;
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