1 files changed, 39 insertions, 0 deletions
diff --git a/dom/gamepad/ipc/GamepadEventChannelChild.h b/dom/gamepad/ipc/GamepadEventChannelChild.h
new file mode 100644
index 0000000000..97fd0576a4
--- /dev/null
+++ b/dom/gamepad/ipc/GamepadEventChannelChild.h
@@ -0,0 +1,39 @@
+/* -*- 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/PGamepadEventChannelChild.h"
+#include "nsRefPtrHashtable.h"
+
+#ifndef mozilla_dom_GamepadEventChannelChild_h_
+#  define mozilla_dom_GamepadEventChannelChild_h_
+
+namespace mozilla::dom {
+
+class GamepadEventChannelChild final : public PGamepadEventChannelChild {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GamepadEventChannelChild, override)
+
+  static already_AddRefed<GamepadEventChannelChild> Create();
+
+  mozilla::ipc::IPCResult RecvGamepadUpdate(
+      const GamepadChangeEvent& aGamepadEvent);
+  mozilla::ipc::IPCResult RecvReplyGamepadPromise(const uint32_t& aPromiseID);
+  void AddPromise(const uint32_t& aID, dom::Promise* aPromise);
+
+  GamepadEventChannelChild(const GamepadEventChannelChild&) = delete;
+  GamepadEventChannelChild(GamepadEventChannelChild&&) = delete;
+  GamepadEventChannelChild& operator=(const GamepadEventChannelChild&) = delete;
+  GamepadEventChannelChild& operator=(GamepadEventChannelChild&&) = delete;
+
+ private:
+  GamepadEventChannelChild() = default;
+  ~GamepadEventChannelChild() = default;
+
+  nsRefPtrHashtable<nsUint32HashKey, dom::Promise> mPromiseList;
+};
+
+}  // namespace mozilla::dom
+
+#endif