1 files changed, 62 insertions, 0 deletions
diff --git a/gfx/layers/ipc/APZInputBridgeChild.h b/gfx/layers/ipc/APZInputBridgeChild.h
new file mode 100644
index 0000000000..dd77d95f36
--- /dev/null
+++ b/gfx/layers/ipc/APZInputBridgeChild.h
@@ -0,0 +1,62 @@
+/* -*- 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/. */
+
+#ifndef mozilla_layers_APZInputBridgeChild_h
+#define mozilla_layers_APZInputBridgeChild_h
+
+#include "mozilla/layers/APZInputBridge.h"
+#include "mozilla/layers/PAPZInputBridgeChild.h"
+
+namespace mozilla {
+namespace layers {
+
+class APZInputBridgeChild : public PAPZInputBridgeChild, public APZInputBridge {
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(APZInputBridgeChild, final)
+
+ public:
+  static RefPtr<APZInputBridgeChild> Create(
+      const uint64_t& aProcessToken,
+      Endpoint<PAPZInputBridgeChild>&& aEndpoint);
+
+  void Destroy();
+
+  APZEventResult ReceiveInputEvent(
+      InputData& aEvent,
+      InputBlockCallback&& aCallback = InputBlockCallback()) override;
+
+  mozilla::ipc::IPCResult RecvCallInputBlockCallback(
+      uint64_t aInputBlockId, const APZHandledResult& handledResult);
+
+ protected:
+  void ProcessUnhandledEvent(LayoutDeviceIntPoint* aRefPoint,
+                             ScrollableLayerGuid* aOutTargetGuid,
+                             uint64_t* aOutFocusSequenceNumber,
+                             LayersId* aOutLayersId) override;
+
+  void UpdateWheelTransaction(
+      LayoutDeviceIntPoint aRefPoint, EventMessage aEventMessage,
+      const Maybe<ScrollableLayerGuid>& aTargetGuid) override;
+
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  explicit APZInputBridgeChild(const uint64_t& aProcessToken);
+  virtual ~APZInputBridgeChild();
+
+ private:
+  void Open(Endpoint<PAPZInputBridgeChild>&& aEndpoint);
+
+  bool mIsOpen;
+  uint64_t mProcessToken;
+
+  using InputBlockCallbackMap =
+      std::unordered_map<uint64_t, InputBlockCallback>;
+  InputBlockCallbackMap mInputBlockCallbacks;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // mozilla_layers_APZInputBridgeChild_h