1 files changed, 40 insertions, 0 deletions
diff --git a/netwerk/ipc/NeckoTargetHolder.h b/netwerk/ipc/NeckoTargetHolder.h
new file mode 100644
index 0000000000..254d6f138f
--- /dev/null
+++ b/netwerk/ipc/NeckoTargetHolder.h
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et 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/. */
+
+#ifndef mozilla_net_NeckoTargetHolder_h
+#define mozilla_net_NeckoTargetHolder_h
+
+#include "nsIEventTarget.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+namespace net {
+
+// A helper class that implements GetNeckoTarget(). Basically, all e10s child
+// channels should inherit this class in order to get a labeled event target.
+class NeckoTargetHolder {
+ public:
+  explicit NeckoTargetHolder(nsISerialEventTarget* aNeckoTarget)
+      : mNeckoTarget(aNeckoTarget) {}
+
+ protected:
+  virtual ~NeckoTargetHolder() = default;
+  // Get event target for processing network events.
+  virtual already_AddRefed<nsISerialEventTarget> GetNeckoTarget();
+  // When |mNeckoTarget| is not null, use it to dispatch the runnable.
+  // Otherwise, dispatch the runnable to the main thread.
+  nsresult Dispatch(already_AddRefed<nsIRunnable>&& aRunnable,
+                    uint32_t aDispatchFlags = NS_DISPATCH_NORMAL);
+
+  // EventTarget for labeling networking events.
+  nsCOMPtr<nsISerialEventTarget> mNeckoTarget;
+};
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif