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-rw-r--r--devtools/server/actors/manifest.js40
1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/server/actors/manifest.js b/devtools/server/actors/manifest.js
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+++ b/devtools/server/actors/manifest.js
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+/* 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 { Actor } = require("resource://devtools/shared/protocol.js");
+const {
+ manifestSpec,
+} = require("resource://devtools/shared/specs/manifest.js");
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+ ManifestObtainer: "resource://gre/modules/ManifestObtainer.sys.mjs",
+});
+
+/**
+ * An actor for a Web Manifest
+ */
+class ManifestActor extends Actor {
+ constructor(conn, targetActor) {
+ super(conn, manifestSpec);
+ this.targetActor = targetActor;
+ }
+
+ async fetchCanonicalManifest() {
+ try {
+ const manifest = await lazy.ManifestObtainer.contentObtainManifest(
+ this.targetActor.window,
+ { checkConformance: true }
+ );
+ return { manifest };
+ } catch (error) {
+ return { manifest: null, errorMessage: error.message };
+ }
+ }
+}
+
+exports.ManifestActor = ManifestActor;