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-rw-r--r--dom/base/ProcessMessageManager.cpp42
1 files changed, 42 insertions, 0 deletions
diff --git a/dom/base/ProcessMessageManager.cpp b/dom/base/ProcessMessageManager.cpp
new file mode 100644
index 0000000000..393a1954d9
--- /dev/null
+++ b/dom/base/ProcessMessageManager.cpp
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "mozilla/dom/ParentProcessMessageManager.h"
+#include "mozilla/dom/ProcessMessageManager.h"
+#include "mozilla/dom/MessageManagerBinding.h"
+#include "nsContentUtils.h"
+
+namespace mozilla::dom {
+
+ProcessMessageManager::ProcessMessageManager(
+ ipc::MessageManagerCallback* aCallback,
+ ParentProcessMessageManager* aParentManager, MessageManagerFlags aFlags)
+ : MessageSender(aCallback, aParentManager,
+ aFlags | MessageManagerFlags::MM_CHROME |
+ MessageManagerFlags::MM_PROCESSMANAGER),
+ mPid(-1),
+ // aCallback is only specified if this is the in-process manager.
+ mInProcess(!!aCallback) {
+ MOZ_ASSERT(!(aFlags & ~(MessageManagerFlags::MM_GLOBAL |
+ MessageManagerFlags::MM_OWNSCALLBACK)));
+
+ // This is a bit hackish. We attach to the parent manager, but only if we have
+ // a callback (which is only for the in-process message manager). For other
+ // cases we wait until the child process is running (see
+ // MessageSender::InitWithCallback).
+ if (aParentManager && mCallback) {
+ aParentManager->AddChildManager(this);
+ }
+}
+
+JSObject* ProcessMessageManager::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ MOZ_ASSERT(nsContentUtils::IsSystemCaller(aCx));
+
+ return ProcessMessageManager_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace mozilla::dom