From 9e3c08db40b8916968b9f30096c7be3f00ce9647 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:44:51 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- gfx/layers/apz/src/GenericScrollAnimation.h | 59 +++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 gfx/layers/apz/src/GenericScrollAnimation.h (limited to 'gfx/layers/apz/src/GenericScrollAnimation.h') diff --git a/gfx/layers/apz/src/GenericScrollAnimation.h b/gfx/layers/apz/src/GenericScrollAnimation.h new file mode 100644 index 0000000000..56a64dc5ec --- /dev/null +++ b/gfx/layers/apz/src/GenericScrollAnimation.h @@ -0,0 +1,59 @@ +/* -*- 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_layers_GenericScrollAnimation_h_ +#define mozilla_layers_GenericScrollAnimation_h_ + +#include "AsyncPanZoomAnimation.h" + +namespace mozilla { + +struct ScrollAnimationBezierPhysicsSettings; +class ScrollAnimationPhysics; + +namespace layers { + +class AsyncPanZoomController; + +class GenericScrollAnimation : public AsyncPanZoomAnimation { + public: + GenericScrollAnimation(AsyncPanZoomController& aApzc, + const nsPoint& aInitialPosition, + const ScrollAnimationBezierPhysicsSettings& aSettings); + + bool DoSample(FrameMetrics& aFrameMetrics, + const TimeDuration& aDelta) override; + + bool HandleScrollOffsetUpdate(const Maybe& aRelativeDelta) override; + + void UpdateDelta(TimeStamp aTime, const nsPoint& aDelta, + const nsSize& aCurrentVelocity); + void UpdateDestination(TimeStamp aTime, const nsPoint& aDestination, + const nsSize& aCurrentVelocity); + + CSSPoint GetDestination() const { + return CSSPoint::FromAppUnits(mFinalDestination); + } + + private: + void Update(TimeStamp aTime, const nsSize& aCurrentVelocity); + + protected: + AsyncPanZoomController& mApzc; + UniquePtr mAnimationPhysics; + nsPoint mFinalDestination; + // If a direction is forced to overscroll, it means it's axis in that + // direction is locked, and scroll in that direction is treated as overscroll + // of an equal amount, which, for example, may then bubble up a scroll action + // to its parent, or may behave as whatever an overscroll occurence requires + // to behave + Maybe mDirectionForcedToOverscroll; +}; + +} // namespace layers +} // namespace mozilla + +#endif // mozilla_layers_GenericScrollAnimation_h_ -- cgit v1.2.3