| /* |
| * 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 |
| |
| #if PLATFORM(MAC) |
| |
| #include "ScrollerMac.h" |
| #include <WebCore/FloatRect.h> |
| #include <WebCore/FloatSize.h> |
| |
| OBJC_CLASS NSScrollerImpPair; |
| OBJC_CLASS WKScrollerImpPairDelegate; |
| |
| namespace WebCore { |
| class PlatformMouseEvent; |
| class PlatformWheelEvent; |
| class ScrollingTreeScrollingNode; |
| } |
| |
| namespace WebKit { |
| |
| class ScrollerPairMac { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| ScrollerPairMac(WebCore::ScrollingTreeScrollingNode&); |
| |
| ~ScrollerPairMac(); |
| |
| ScrollerMac& verticalScroller() { return m_verticalScroller; } |
| ScrollerMac& horizontalScroller() { return m_horizontalScroller; } |
| |
| bool handleWheelEvent(const WebCore::PlatformWheelEvent&); |
| bool handleMouseEvent(const WebCore::PlatformMouseEvent&); |
| |
| void updateValues(); |
| |
| WebCore::FloatSize visibleSize() const; |
| WebCore::IntPoint lastKnownMousePosition() const { return m_lastKnownMousePosition; } |
| bool useDarkAppearance() const; |
| |
| struct Values { |
| float value; |
| float proportion; |
| }; |
| Values valuesForOrientation(ScrollerMac::Orientation); |
| |
| NSScrollerImpPair *scrollerImpPair() { return m_scrollerImpPair.get(); } |
| |
| private: |
| WebCore::ScrollingTreeScrollingNode& m_scrollingNode; |
| |
| ScrollerMac m_verticalScroller; |
| ScrollerMac m_horizontalScroller; |
| |
| WebCore::FloatSize m_contentSize; |
| WebCore::FloatRect m_visibleContentRect; |
| |
| WebCore::IntPoint m_lastKnownMousePosition; |
| Optional<WebCore::FloatPoint> m_lastScrollPosition; |
| |
| RetainPtr<NSScrollerImpPair> m_scrollerImpPair; |
| RetainPtr<WKScrollerImpPairDelegate> m_scrollerImpPairDelegate; |
| }; |
| |
| } |
| |
| #endif |