84 lines
4.0 KiB
C++
84 lines
4.0 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "ScrollbarThemeComposite.h"
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namespace WebCore {
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class PlatformMouseEvent;
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class Scrollbar;
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class ScrollView;
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class RenderScrollbarTheme final : public ScrollbarThemeComposite {
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public:
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virtual ~RenderScrollbarTheme() = default;
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int scrollbarThickness(ScrollbarControlSize controlSize, ScrollbarExpansionState expansionState = ScrollbarExpansionState::Expanded) override { return ScrollbarTheme::theme().scrollbarThickness(controlSize, expansionState); }
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ScrollbarButtonsPlacement buttonsPlacement() const override { return ScrollbarTheme::theme().buttonsPlacement(); }
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bool supportsControlTints() const override { return true; }
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void paintScrollCorner(ScrollableArea&, GraphicsContext&, const IntRect& cornerRect) override;
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ScrollbarButtonPressAction handleMousePressEvent(Scrollbar& scrollbar, const PlatformMouseEvent& event, ScrollbarPart pressedPart) override { return ScrollbarTheme::theme().handleMousePressEvent(scrollbar, event, pressedPart); }
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Seconds initialAutoscrollTimerDelay() override { return ScrollbarTheme::theme().initialAutoscrollTimerDelay(); }
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Seconds autoscrollTimerDelay() override { return ScrollbarTheme::theme().autoscrollTimerDelay(); }
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void registerScrollbar(Scrollbar& scrollbar) override { return ScrollbarTheme::theme().registerScrollbar(scrollbar); }
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void unregisterScrollbar(Scrollbar& scrollbar) override { return ScrollbarTheme::theme().unregisterScrollbar(scrollbar); }
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int minimumThumbLength(Scrollbar&) override;
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void buttonSizesAlongTrackAxis(Scrollbar&, int& beforeSize, int& afterSize);
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static RenderScrollbarTheme* renderScrollbarTheme();
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private:
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bool hasButtons(Scrollbar&) override;
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bool hasThumb(Scrollbar&) override;
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IntRect backButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override;
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IntRect forwardButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override;
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IntRect trackRect(Scrollbar&, bool painting = false) override;
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void willPaintScrollbar(GraphicsContext&, Scrollbar&) override;
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void didPaintScrollbar(GraphicsContext&, Scrollbar&) override;
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void paintScrollbarBackground(GraphicsContext&, Scrollbar&) override;
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void paintTrackBackground(GraphicsContext&, Scrollbar&, const IntRect&) override;
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void paintTrackPiece(GraphicsContext&, Scrollbar&, const IntRect&, ScrollbarPart) override;
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void paintButton(GraphicsContext&, Scrollbar&, const IntRect&, ScrollbarPart) override;
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void paintThumb(GraphicsContext&, Scrollbar&, const IntRect&) override;
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void paintTickmarks(GraphicsContext&, Scrollbar&, const IntRect&) override;
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IntRect constrainTrackRectToTrackPieces(Scrollbar&, const IntRect&) override;
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};
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} // namespace WebCore
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