1 files changed, 46 insertions, 0 deletions
diff --git a/dom/ipc/CoalescedTouchData.h b/dom/ipc/CoalescedTouchData.h
new file mode 100644
index 0000000000..1fc0efa262
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+++ b/dom/ipc/CoalescedTouchData.h
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+/* -*- 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_dom__CoalescedTouchData_h
+#define mozilla_dom__CoalescedTouchData_h
+
+#include "CoalescedInputData.h"
+#include "mozilla/TouchEvents.h"
+
+namespace mozilla::dom {
+
+class CoalescedTouchData final : public CoalescedInputData<WidgetTouchEvent> {
+ public:
+  void CreateCoalescedTouchEvent(const WidgetTouchEvent& aEvent);
+
+  void Coalesce(const WidgetTouchEvent& aEvent,
+                const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId,
+                const nsEventStatus& aApzResponse);
+
+  bool CanCoalesce(const WidgetTouchEvent& aEvent,
+                   const ScrollableLayerGuid& aGuid,
+                   const uint64_t& aInputBlockId,
+                   const nsEventStatus& aApzResponse);
+
+  nsEventStatus GetApzResponse() { return mApzResponse; }
+
+ private:
+  Touch* GetTouch(int32_t aIdentifier);
+
+  nsEventStatus mApzResponse = nsEventStatus_eIgnore;
+};
+
+class CoalescedTouchMoveFlusher final : public CoalescedInputFlusher {
+ public:
+  explicit CoalescedTouchMoveFlusher(BrowserChild* aBrowserChild);
+  void WillRefresh(mozilla::TimeStamp aTime) override;
+
+ private:
+  ~CoalescedTouchMoveFlusher() override;
+};
+};  // namespace mozilla::dom
+
+#endif  // mozilla_dom_CoalescedTouchData_h