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-rw-r--r--dom/events/PointerEvent.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/dom/events/PointerEvent.h b/dom/events/PointerEvent.h
new file mode 100644
index 0000000000..652259bcd0
--- /dev/null
+++ b/dom/events/PointerEvent.h
@@ -0,0 +1,78 @@
+/* -*- 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);
+ 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_