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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ScrollingTreeScrollingNodeDelegate.h"
#if ENABLE(ASYNC_SCROLLING) && ENABLE(SCROLLING_THREAD)
#include "ScrollingEffectsController.h"
namespace WebCore {
class FloatPoint;
class FloatSize;
class IntPoint;
class ScrollingStateScrollingNode;
class ScrollingTreeScrollingNode;
class ScrollingTree;
class ThreadedScrollingTreeScrollingNodeDelegate : public ScrollingTreeScrollingNodeDelegate, private ScrollingEffectsControllerClient {
public:
void updateSnapScrollState();
protected:
explicit ThreadedScrollingTreeScrollingNodeDelegate(ScrollingTreeScrollingNode&);
virtual ~ThreadedScrollingTreeScrollingNodeDelegate();
void updateUserScrollInProgressForEvent(const PlatformWheelEvent&);
void updateFromStateNode(const ScrollingStateScrollingNode&) override;
bool startAnimatedScrollToPosition(FloatPoint) override;
void stopAnimatedScroll() override;
void serviceScrollAnimation(MonotonicTime) override;
// ScrollingEffectsControllerClient.
std::unique_ptr<ScrollingEffectsControllerTimer> createTimer(Function<void()>&&) override;
void startAnimationCallback(ScrollingEffectsController&) override;
void stopAnimationCallback(ScrollingEffectsController&) override;
bool allowsHorizontalScrolling() const override;
bool allowsVerticalScrolling() const override;
void immediateScrollBy(const FloatSize&, ScrollClamping = ScrollClamping::Clamped) override;
void adjustScrollPositionToBoundsIfNecessary() override;
bool scrollPositionIsNotRubberbandingEdge(const FloatPoint&) const;
FloatPoint scrollOffset() const override;
float pageScaleFactor() const override;
void willStartAnimatedScroll() override;
void didStopAnimatedScroll() override;
void willStartWheelEventScroll() override;
void didStopWheelEventScroll() override;
void willStartScrollSnapAnimation() override;
void didStopScrollSnapAnimation() override;
ScrollExtents scrollExtents() const override;
void deferWheelEventTestCompletionForReason(WheelEventTestMonitor::ScrollableAreaIdentifier, WheelEventTestMonitor::DeferReason) const override;
void removeWheelEventTestCompletionDeferralForReason(WheelEventTestMonitor::ScrollableAreaIdentifier, WheelEventTestMonitor::DeferReason) const override;
FloatPoint adjustedScrollPosition(const FloatPoint&) const override;
void handleKeyboardScrollRequest(const RequestedKeyboardScrollData&) override;
ScrollingEffectsController m_scrollController;
};
} // namespace WebCore
#endif // ENABLE(ASYNC_SCROLLING) && ENABLE(SCROLLING_THREAD)
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