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/*
* Copyright (C) 2023 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
#if PLATFORM(MAC)
#include <WebCore/NSScrollerImpDetails.h>
#include <WebCore/ScrollbarsController.h>
#include <wtf/RetainPtr.h>
#include <wtf/ThreadSafeWeakPtr.h>
namespace WebCore {
class ScrollingCoordinator;
}
namespace WebKit {
class RemoteScrollbarsController final : public WebCore::ScrollbarsController {
public:
RemoteScrollbarsController(WebCore::ScrollableArea&, WebCore::ScrollingCoordinator*);
~RemoteScrollbarsController() = default;
void mouseEnteredContentArea() final;
void mouseExitedContentArea() final;
void mouseMovedInContentArea() final;
void mouseEnteredScrollbar(WebCore::Scrollbar*) const final;
void mouseExitedScrollbar(WebCore::Scrollbar*) const final;
bool shouldScrollbarParticipateInHitTesting(WebCore::Scrollbar*) final;
void setScrollbarMinimumThumbLength(WebCore::ScrollbarOrientation, int) final;
void setScrollbarVisibilityState(WebCore::ScrollbarOrientation, bool) final;
bool shouldDrawIntoScrollbarLayer(WebCore::Scrollbar&) const final;
bool shouldRegisterScrollbars() const final { return scrollableArea().isListBox(); }
int minimumThumbLength(WebCore::ScrollbarOrientation) final;
void updateScrollbarEnabledState(WebCore::Scrollbar&) final;
private:
bool m_horizontalOverlayScrollbarIsVisible { false };
bool m_verticalOverlayScrollbarIsVisible { false };
int m_horizontalMinimumThumbLength { 0 };
int m_verticalMinimumThumbLength { 0 };
ThreadSafeWeakPtr<WebCore::ScrollingCoordinator> m_coordinator;
};
} // namespace WebKit
#endif // PLATFORM(MAC)
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