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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_CoalescedInputData_h
#define mozilla_dom_CoalescedInputData_h
#include "mozilla/UniquePtr.h"
#include "mozilla/layers/ScrollableLayerGuid.h"
namespace mozilla {
namespace dom {
template <class InputEventType>
class CoalescedInputData {
protected:
typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
UniquePtr<InputEventType> mCoalescedInputEvent;
ScrollableLayerGuid mGuid;
uint64_t mInputBlockId;
public:
CoalescedInputData() : mInputBlockId(0) {}
void RetrieveDataFrom(CoalescedInputData& aSource) {
mCoalescedInputEvent = std::move(aSource.mCoalescedInputEvent);
mGuid = aSource.mGuid;
mInputBlockId = aSource.mInputBlockId;
}
bool IsEmpty() { return !mCoalescedInputEvent; }
bool CanCoalesce(const InputEventType& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
UniquePtr<InputEventType> TakeCoalescedEvent() {
return std::move(mCoalescedInputEvent);
}
ScrollableLayerGuid GetScrollableLayerGuid() { return mGuid; }
uint64_t GetInputBlockId() { return mInputBlockId; }
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_CoalescedInputData_h
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