1 files changed, 79 insertions, 0 deletions
diff --git a/dom/events/PointerEvent.h b/dom/events/PointerEvent.h
new file mode 100644
index 0000000000..b2c8de7d13
--- /dev/null
+++ b/dom/events/PointerEvent.h
@@ -0,0 +1,79 @@
+/* -*- 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/.
+ *
+ * Portions Copyright 2013 Microsoft Open Technologies, Inc. */
+
+#ifndef mozilla_dom_PointerEvent_h_
+#define mozilla_dom_PointerEvent_h_
+
+#include "mozilla/dom/MouseEvent.h"
+#include "mozilla/dom/PointerEventBinding.h"
+#include "mozilla/Maybe.h"
+
+class nsPresContext;
+
+namespace mozilla::dom {
+
+struct PointerEventInit;
+
+class PointerEvent : public MouseEvent {
+ public:
+  PointerEvent(EventTarget* aOwner, nsPresContext* aPresContext,
+               WidgetPointerEvent* aEvent);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PointerEvent, MouseEvent)
+
+  virtual JSObject* WrapObjectInternal(
+      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<PointerEvent> Constructor(
+      const GlobalObject& aGlobal, const nsAString& aType,
+      const PointerEventInit& aParam);
+
+  static already_AddRefed<PointerEvent> Constructor(
+      EventTarget* aOwner, const nsAString& aType,
+      const PointerEventInit& aParam);
+
+  int32_t PointerId();
+  int32_t Width();
+  int32_t Height();
+  float Pressure();
+  float TangentialPressure();
+  int32_t TiltX();
+  int32_t TiltY();
+  int32_t Twist();
+  bool IsPrimary();
+  void GetPointerType(nsAString& aPointerType);
+  static bool EnableGetCoalescedEvents(JSContext* aCx, JSObject* aGlobal);
+  void GetCoalescedEvents(nsTArray<RefPtr<PointerEvent>>& aPointerEvents);
+  void GetPredictedEvents(nsTArray<RefPtr<PointerEvent>>& aPointerEvents);
+
+ protected:
+  ~PointerEvent() = default;
+
+ private:
+  // This method returns the boolean to indicate whether spoofing pointer
+  // event for fingerprinting resistance.
+  bool ShouldResistFingerprinting();
+
+  nsTArray<RefPtr<PointerEvent>> mCoalescedEvents;
+  nsTArray<RefPtr<PointerEvent>> mPredictedEvents;
+
+  // This is used to store the pointerType assigned from constructor.
+  Maybe<nsString> mPointerType;
+};
+
+void ConvertPointerTypeToString(uint16_t aPointerTypeSrc,
+                                nsAString& aPointerTypeDest);
+
+}  // namespace mozilla::dom
+
+already_AddRefed<mozilla::dom::PointerEvent> NS_NewDOMPointerEvent(
+    mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
+    mozilla::WidgetPointerEvent* aEvent);
+
+#endif  // mozilla_dom_PointerEvent_h_