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-rw-r--r--addon-sdk/source/lib/framescript/manager.js26
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diff --git a/addon-sdk/source/lib/framescript/manager.js b/addon-sdk/source/lib/framescript/manager.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";
+
+module.metadata = {
+ "stability": "unstable"
+};
+
+const mime = "application/javascript";
+const requireURI = module.uri.replace("framescript/manager.js",
+ "toolkit/require.js");
+
+const requireLoadURI = `data:${mime},this["Components"].utils.import("${requireURI}")`
+
+// Loads module with given `id` into given `messageManager` via shared module loader. If `init`
+// string is passed, will call module export with that name and pass frame script environment
+// of the `messageManager` into it. Since module will load only once per process (which is
+// once for chrome proces & second for content process) it is useful to have an init function
+// to setup event listeners on each content frame.
+const loadModule = (messageManager, id, allowDelayed, init) => {
+ const moduleLoadURI = `${requireLoadURI}.require("${id}")`
+ const uri = init ? `${moduleLoadURI}.${init}(this)` : moduleLoadURI;
+ messageManager.loadFrameScript(uri, allowDelayed);
+};
+exports.loadModule = loadModule;