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/* -*- Mode: C++; tab-width: 2; 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_InputAPZContext_h
#define mozilla_layers_InputAPZContext_h
#include "FrameMetrics.h"
#include "mozilla/EventForwards.h"
namespace mozilla {
namespace layers {
// InputAPZContext is used to communicate the ScrollableLayerGuid,
// input block ID, APZ response from nsIWidget to RenderFrameParent.
// It is conceptually attached to any WidgetInputEvent
// that has been processed by APZ directly from a widget.
class MOZ_STACK_CLASS InputAPZContext
{
private:
static ScrollableLayerGuid sGuid;
static uint64_t sBlockId;
static nsEventStatus sApzResponse;
static bool sRoutedToChildProcess;
public:
static ScrollableLayerGuid GetTargetLayerGuid();
static uint64_t GetInputBlockId();
static nsEventStatus GetApzResponse();
static void SetRoutedToChildProcess();
InputAPZContext(const ScrollableLayerGuid& aGuid,
const uint64_t& aBlockId,
const nsEventStatus& aApzResponse);
~InputAPZContext();
bool WasRoutedToChildProcess();
private:
ScrollableLayerGuid mOldGuid;
uint64_t mOldBlockId;
nsEventStatus mOldApzResponse;
bool mOldRoutedToChildProcess;
};
} // namespace layers
} // namespace mozilla
#endif /* mozilla_layers_InputAPZContext_h */
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