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/* -*- 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/. */
#include "SmoothScrollAnimation.h"
#include "ScrollAnimationBezierPhysics.h"
#include "mozilla/layers/APZPublicUtils.h"
namespace mozilla {
namespace layers {
SmoothScrollAnimation::SmoothScrollAnimation(AsyncPanZoomController& aApzc,
const nsPoint& aInitialPosition,
ScrollOrigin aOrigin)
: GenericScrollAnimation(
aApzc, aInitialPosition,
apz::ComputeBezierAnimationSettingsForOrigin(aOrigin)),
mOrigin(aOrigin) {}
SmoothScrollAnimation* SmoothScrollAnimation::AsSmoothScrollAnimation() {
return this;
}
ScrollOrigin SmoothScrollAnimation::GetScrollOrigin() const { return mOrigin; }
ScrollOrigin SmoothScrollAnimation::GetScrollOriginForAction(
KeyboardScrollAction::KeyboardScrollActionType aAction) {
switch (aAction) {
case KeyboardScrollAction::eScrollCharacter:
case KeyboardScrollAction::eScrollLine: {
return ScrollOrigin::Lines;
}
case KeyboardScrollAction::eScrollPage:
return ScrollOrigin::Pages;
case KeyboardScrollAction::eScrollComplete:
return ScrollOrigin::Other;
default:
MOZ_ASSERT(false, "Unknown keyboard scroll action type");
return ScrollOrigin::Other;
}
}
} // namespace layers
} // namespace mozilla