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authorMatt A. Tobin <email@mattatobin.com>2018-02-09 06:46:43 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-09 06:46:43 -0500
commitac46df8daea09899ce30dc8fd70986e258c746bf (patch)
tree2750d3125fc253fd5b0671e4bd268eff1fd97296 /toolkit/jetpack/sdk/addon/window.js
parent8cecf8d5208f3945b35f879bba3015bb1a11bec6 (diff)
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Move Add-on SDK source to toolkit/jetpack
Diffstat (limited to 'toolkit/jetpack/sdk/addon/window.js')
-rw-r--r--toolkit/jetpack/sdk/addon/window.js66
1 files changed, 66 insertions, 0 deletions
diff --git a/toolkit/jetpack/sdk/addon/window.js b/toolkit/jetpack/sdk/addon/window.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": "experimental"
+};
+
+const { Ci, Cc } = require("chrome");
+const { make: makeWindow, getHiddenWindow } = require("../window/utils");
+const { create: makeFrame, getDocShell } = require("../frame/utils");
+const { defer } = require("../core/promise");
+const { when: unload } = require("../system/unload");
+const cfxArgs = require("../test/options");
+
+var addonPrincipal = Cc["@mozilla.org/systemprincipal;1"].
+ createInstance(Ci.nsIPrincipal);
+
+var hiddenWindow = getHiddenWindow();
+
+if (cfxArgs.parseable) {
+ console.info("hiddenWindow document.documentURI:" +
+ hiddenWindow.document.documentURI);
+ console.info("hiddenWindow document.readyState:" +
+ hiddenWindow.document.readyState);
+}
+
+// Once Bug 565388 is fixed and shipped we'll be able to make invisible,
+// permanent docShells. Meanwhile we create hidden top level window and
+// use it's docShell.
+var frame = makeFrame(hiddenWindow.document, {
+ nodeName: "iframe",
+ namespaceURI: "http://www.w3.org/1999/xhtml",
+ allowJavascript: true,
+ allowPlugins: true
+})
+var docShell = getDocShell(frame);
+var eventTarget = docShell.chromeEventHandler;
+
+// We need to grant docShell system principals in order to load XUL document
+// from data URI into it.
+docShell.createAboutBlankContentViewer(addonPrincipal);
+
+// Get a reference to the DOM window of the given docShell and load
+// such document into that would allow us to create XUL iframes, that
+// are necessary for hidden frames etc..
+var window = docShell.contentViewer.DOMDocument.defaultView;
+window.location = "data:application/vnd.mozilla.xul+xml;charset=utf-8,<window/>";
+
+// Create a promise that is delivered once add-on window is interactive,
+// used by add-on runner to defer add-on loading until window is ready.
+var { promise, resolve } = defer();
+eventTarget.addEventListener("DOMContentLoaded", function handler(event) {
+ eventTarget.removeEventListener("DOMContentLoaded", handler, false);
+ resolve();
+}, false);
+
+exports.ready = promise;
+exports.window = window;
+
+// Still close window on unload to claim memory back early.
+unload(function() {
+ window.close()
+ frame.parentNode.removeChild(frame);
+});