Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 96 insertions, 0 deletions

diff --git a/toolkit/components/processsingleton/CustomElementsListener.sys.mjs b/toolkit/components/processsingleton/CustomElementsListener.sys.mjs
new file mode 100644
index 0000000000..2a522d9fe3
--- /dev/null
+++ b/toolkit/components/processsingleton/CustomElementsListener.sys.mjs
@@ -0,0 +1,30 @@
+/* -*-  indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* 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/. */
+
+// Set up Custom Elements for XUL and XHTML documents before anything else
+// happens. Anything loaded here should be considered part of core XUL functionality.
+// Any window-specific elements can be registered via <script> tags at the
+// top of individual documents.
+Services.obs.addObserver(
+  {
+    observe(doc) {
+      if (
+        doc.nodePrincipal.isSystemPrincipal &&
+        (doc.contentType == "application/xhtml+xml" ||
+          doc.contentType == "text/html") &&
+        // People shouldn't be using our built-in custom elements in
+        // system-principal about:blank anyway, and trying to support that
+        // causes responsiveness regressions.  So let's not support it.
+        doc.URL != "about:blank"
+      ) {
+        Services.scriptloader.loadSubScript(
+          "chrome://global/content/customElements.js",
+          doc.ownerGlobal
+        );
+      }
+    },
+  },
+  "document-element-inserted"
+);
diff --git a/toolkit/components/processsingleton/MainProcessSingleton.sys.mjs b/toolkit/components/processsingleton/MainProcessSingleton.sys.mjs
new file mode 100644
index 0000000000..a10493f79b
--- /dev/null
+++ b/toolkit/components/processsingleton/MainProcessSingleton.sys.mjs
@@ -0,0 +1,29 @@
+/* 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/. */
+
+export function MainProcessSingleton() {}
+MainProcessSingleton.prototype = {
+  classID: Components.ID("{0636a680-45cb-11e4-916c-0800200c9a66}"),
+  QueryInterface: ChromeUtils.generateQI([
+    "nsIObserver",
+    "nsISupportsWeakReference",
+  ]),
+
+  observe(subject, topic, data) {
+    switch (topic) {
+      case "app-startup": {
+        // Imported for side-effects.
+        ChromeUtils.importESModule(
+          "resource://gre/modules/CustomElementsListener.sys.mjs"
+        );
+
+        Services.ppmm.loadProcessScript(
+          "chrome://global/content/process-content.js",
+          true
+        );
+        break;
+      }
+    }
+  },
+};
diff --git a/toolkit/components/processsingleton/ProcessSingleton.manifest b/toolkit/components/processsingleton/ProcessSingleton.manifest
new file mode 100644
index 0000000000..dffe6abcc5
--- /dev/null
+++ b/toolkit/components/processsingleton/ProcessSingleton.manifest
@@ -0,0 +1 @@
+category app-startup MainProcessSingleton @mozilla.org/main-process-singleton;1 process=main
diff --git a/toolkit/components/processsingleton/components.conf b/toolkit/components/processsingleton/components.conf
new file mode 100644
index 0000000000..45a8ba0c8d
--- /dev/null
+++ b/toolkit/components/processsingleton/components.conf
@@ -0,0 +1,15 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+Classes = [
+    {
+        'cid': '{0636a680-45cb-11e4-916c-0800200c9a66}',
+        'contract_ids': ['@mozilla.org/main-process-singleton;1'],
+        'esModule': 'resource://gre/modules/MainProcessSingleton.sys.mjs',
+        'constructor': 'MainProcessSingleton',
+        'processes': ProcessSelector.MAIN_PROCESS_ONLY,
+    },
+]
diff --git a/toolkit/components/processsingleton/moz.build b/toolkit/components/processsingleton/moz.build
new file mode 100644
index 0000000000..d710387861
--- /dev/null
+++ b/toolkit/components/processsingleton/moz.build
@@ -0,0 +1,21 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+with Files("**"):
+    BUG_COMPONENT = ("Toolkit", "General")
+
+EXTRA_COMPONENTS += [
+    "ProcessSingleton.manifest",
+]
+
+EXTRA_JS_MODULES += [
+    "CustomElementsListener.sys.mjs",
+    "MainProcessSingleton.sys.mjs",
+]
+
+XPCOM_MANIFESTS += [
+    "components.conf",
+]