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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_DragMetrics_h
#define mozilla_layers_DragMetrics_h
#include "FrameMetrics.h"
namespace IPC {
template <typename T> struct ParamTraits;
} // namespace IPC
namespace mozilla {
namespace layers {
class AsyncDragMetrics {
friend struct IPC::ParamTraits<mozilla::layers::AsyncDragMetrics>;
public:
enum DragDirection {
NONE,
VERTICAL,
HORIZONTAL,
SENTINEL,
};
// IPC constructor
AsyncDragMetrics()
: mViewId(0)
, mPresShellId(0)
, mDragStartSequenceNumber(0)
, mScrollbarDragOffset(0)
, mDirection(NONE)
{}
AsyncDragMetrics(const FrameMetrics::ViewID& aViewId,
uint32_t aPresShellId,
uint64_t aDragStartSequenceNumber,
CSSIntCoord aScrollbarDragOffset,
const CSSIntRect& aScrollTrack,
DragDirection aDirection)
: mViewId(aViewId)
, mPresShellId(aPresShellId)
, mDragStartSequenceNumber(aDragStartSequenceNumber)
, mScrollbarDragOffset(aScrollbarDragOffset)
, mScrollTrack(aScrollTrack)
, mDirection(aDirection)
{}
FrameMetrics::ViewID mViewId;
uint32_t mPresShellId;
uint64_t mDragStartSequenceNumber;
CSSIntCoord mScrollbarDragOffset;
CSSIntRect mScrollTrack;
DragDirection mDirection;
};
}
}
#endif
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