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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_InputAPZContext_h
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#define mozilla_layers_InputAPZContext_h
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#include "FrameMetrics.h"
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#include "mozilla/EventForwards.h"
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namespace mozilla {
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namespace layers {
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// InputAPZContext is used to communicate the ScrollableLayerGuid,
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// input block ID, APZ response from nsIWidget to RenderFrameParent.
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// It is conceptually attached to any WidgetInputEvent
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// that has been processed by APZ directly from a widget.
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class MOZ_STACK_CLASS InputAPZContext
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{
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private:
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static ScrollableLayerGuid sGuid;
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static uint64_t sBlockId;
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static nsEventStatus sApzResponse;
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static bool sRoutedToChildProcess;
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public:
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static ScrollableLayerGuid GetTargetLayerGuid();
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static uint64_t GetInputBlockId();
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static nsEventStatus GetApzResponse();
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static void SetRoutedToChildProcess();
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InputAPZContext(const ScrollableLayerGuid& aGuid,
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const uint64_t& aBlockId,
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const nsEventStatus& aApzResponse);
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~InputAPZContext();
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bool WasRoutedToChildProcess();
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private:
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ScrollableLayerGuid mOldGuid;
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uint64_t mOldBlockId;
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nsEventStatus mOldApzResponse;
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bool mOldRoutedToChildProcess;
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};
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} // namespace layers
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} // namespace mozilla
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#endif /* mozilla_layers_InputAPZContext_h */
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