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/*
* Copyright (C) 2008 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. ``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
* 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 "ScrollbarThemeComposite.h"
namespace WebCore {
class PlatformMouseEvent;
class Scrollbar;
class ScrollView;
class RenderScrollbarTheme final : public ScrollbarThemeComposite {
public:
virtual ~RenderScrollbarTheme() = default;
int scrollbarThickness(ScrollbarWidth scrollbarWidth = ScrollbarWidth::Auto, ScrollbarExpansionState expansionState = ScrollbarExpansionState::Expanded, OverlayScrollbarSizeRelevancy overlayRelevancy = OverlayScrollbarSizeRelevancy::IncludeOverlayScrollbarSize) override { return ScrollbarTheme::theme().scrollbarThickness(scrollbarWidth, expansionState, overlayRelevancy); }
ScrollbarButtonsPlacement buttonsPlacement() const override { return ScrollbarTheme::theme().buttonsPlacement(); }
bool supportsControlTints() const override { return true; }
void paintScrollCorner(ScrollableArea&, GraphicsContext&, const IntRect& cornerRect) override;
ScrollbarButtonPressAction handleMousePressEvent(Scrollbar& scrollbar, const PlatformMouseEvent& event, ScrollbarPart pressedPart) override { return ScrollbarTheme::theme().handleMousePressEvent(scrollbar, event, pressedPart); }
Seconds initialAutoscrollTimerDelay() override { return ScrollbarTheme::theme().initialAutoscrollTimerDelay(); }
Seconds autoscrollTimerDelay() override { return ScrollbarTheme::theme().autoscrollTimerDelay(); }
void registerScrollbar(Scrollbar& scrollbar) override { return ScrollbarTheme::theme().registerScrollbar(scrollbar); }
void unregisterScrollbar(Scrollbar& scrollbar) override { return ScrollbarTheme::theme().unregisterScrollbar(scrollbar); }
int minimumThumbLength(Scrollbar&) override;
void buttonSizesAlongTrackAxis(Scrollbar&, int& beforeSize, int& afterSize);
static RenderScrollbarTheme* renderScrollbarTheme();
private:
bool hasButtons(Scrollbar&) override;
bool hasThumb(Scrollbar&) override;
IntRect backButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override;
IntRect forwardButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override;
IntRect trackRect(Scrollbar&, bool painting = false) override;
void willPaintScrollbar(GraphicsContext&, Scrollbar&) override;
void didPaintScrollbar(GraphicsContext&, Scrollbar&) override;
void paintScrollbarBackground(GraphicsContext&, Scrollbar&) override;
void paintTrackBackground(GraphicsContext&, Scrollbar&, const IntRect&) override;
void paintTrackPiece(GraphicsContext&, Scrollbar&, const IntRect&, ScrollbarPart) override;
void paintButton(GraphicsContext&, Scrollbar&, const IntRect&, ScrollbarPart) override;
void paintThumb(GraphicsContext&, Scrollbar&, const IntRect&) override;
void paintTickmarks(GraphicsContext&, Scrollbar&, const IntRect&) override;
IntRect constrainTrackRectToTrackPieces(Scrollbar&, const IntRect&) override;
};
} // namespace WebCore
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