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/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_widget_ScrollbarDrawingWin_h
#define mozilla_widget_ScrollbarDrawingWin_h
#include "nsITheme.h"
#include "nsNativeTheme.h"
#include "ScrollbarDrawing.h"
namespace mozilla::widget {
class ScrollbarDrawingWin : public ScrollbarDrawing {
protected:
explicit ScrollbarDrawingWin(Kind aKind) : ScrollbarDrawing(aKind) {}
public:
ScrollbarDrawingWin() : ScrollbarDrawingWin(Kind::Win10) {}
virtual ~ScrollbarDrawingWin() = default;
LayoutDeviceIntSize GetMinimumWidgetSize(nsPresContext*,
StyleAppearance aAppearance,
nsIFrame* aFrame) override;
Maybe<nsITheme::Transparency> GetScrollbarPartTransparency(
nsIFrame* aFrame, StyleAppearance aAppearance) override;
template <typename PaintBackendData>
bool DoPaintScrollbarThumb(PaintBackendData&, const LayoutDeviceRect&,
ScrollbarKind, nsIFrame*, const ComputedStyle&,
const ElementState&, const Colors&,
const DPIRatio&);
bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect&, ScrollbarKind,
nsIFrame*, const ComputedStyle&, const ElementState&,
const Colors&, const DPIRatio&) override;
bool PaintScrollbarThumb(WebRenderBackendData&, const LayoutDeviceRect&,
ScrollbarKind, nsIFrame*, const ComputedStyle&,
const ElementState&, const Colors&,
const DPIRatio&) override;
void RecomputeScrollbarParams() override;
};
static constexpr uint32_t kDefaultWinScrollbarSize = 17;
} // namespace mozilla::widget
#endif
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