1 files changed, 61 insertions, 0 deletions
diff --git a/toolkit/components/extensions/PExtensions.ipdl b/toolkit/components/extensions/PExtensions.ipdl
new file mode 100644
index 0000000000..ad5a0c993a
--- /dev/null
+++ b/toolkit/components/extensions/PExtensions.ipdl
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
+/* 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/. */
+
+include protocol PContent;
+include protocol PInProcess;
+include DOMTypes;
+include "mozilla/ipc/URIUtils.h";
+
+namespace mozilla {
+namespace extensions {
+
+struct FrameTransitionData
+{
+    bool clientRedirect;
+    bool formSubmit;
+    bool forwardBack;
+    bool reload;
+    bool serverRedirect;
+};
+
+/**
+ * A generic protocol used by the extension framework for process-level IPC. A
+ * child instance is created at startup in the parent process and each content
+ * child process, which can be accessed via
+ * `mozilla::extensions::ExtensionsChild::Get()`.
+ */
+protocol PExtensions
+{
+    manager PContent or PInProcess;
+
+  parent:
+    async __delete__();
+
+    async DocumentChange(MaybeDiscardedBrowsingContext bc,
+                         FrameTransitionData transitionData,
+                         nullable nsIURI location);
+
+    async HistoryChange(MaybeDiscardedBrowsingContext bc,
+                        FrameTransitionData transitionData,
+                        nullable nsIURI location,
+                        bool isHistoryStateUpdated,
+                        bool isReferenceFragmentUpdated);
+
+    async StateChange(MaybeDiscardedBrowsingContext bc,
+                      nullable nsIURI requestURI,
+                      nsresult status,
+                      uint32_t stateFlags);
+
+    async CreatedNavigationTarget(MaybeDiscardedBrowsingContext bc,
+                                  MaybeDiscardedBrowsingContext sourceBC,
+                                  nsCString url);
+
+    async DOMContentLoaded(MaybeDiscardedBrowsingContext bc,
+                           nullable nsIURI documentURI);
+};
+
+} // namespace extensions
+} // namespace mozilla