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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/layers/apz/src/GenericScrollAnimation.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/src/GenericScrollAnimation.h')
-rw-r--r-- | gfx/layers/apz/src/GenericScrollAnimation.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gfx/layers/apz/src/GenericScrollAnimation.h b/gfx/layers/apz/src/GenericScrollAnimation.h new file mode 100644 index 0000000000..138cf664ad --- /dev/null +++ b/gfx/layers/apz/src/GenericScrollAnimation.h @@ -0,0 +1,57 @@ +/* -*- 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 { + +class ScrollAnimationPhysics; + +namespace layers { + +class AsyncPanZoomController; + +class GenericScrollAnimation : public AsyncPanZoomAnimation { + public: + GenericScrollAnimation(AsyncPanZoomController& aApzc, + const nsPoint& aInitialPosition, ScrollOrigin aOrigin); + + bool DoSample(FrameMetrics& aFrameMetrics, + const TimeDuration& aDelta) override; + + bool HandleScrollOffsetUpdate(const Maybe<CSSPoint>& 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<ScrollAnimationPhysics> 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<ScrollDirection> mDirectionForcedToOverscroll; +}; + +} // namespace layers +} // namespace mozilla + +#endif // mozilla_layers_GenericScrollAnimation_h_ |