gecko-dev/widget/ScrollbarDrawingAndroid.h

54 строки
2.3 KiB
C++

/* -*- 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_ScrollbarDrawingAndroid_h
#define mozilla_widget_ScrollbarDrawingAndroid_h
#include "nsITheme.h"
#include "ScrollbarDrawing.h"
namespace mozilla::widget {
class ScrollbarDrawingAndroid final : public ScrollbarDrawing {
public:
ScrollbarDrawingAndroid() : ScrollbarDrawing(Kind::Android) {}
virtual ~ScrollbarDrawingAndroid() = default;
LayoutDeviceIntSize GetMinimumWidgetSize(nsPresContext*,
StyleAppearance aAppearance,
nsIFrame* aFrame) override;
ScrollbarSizes GetScrollbarSizes(nsPresContext*, StyleScrollbarWidth,
Overlay) override;
template <typename PaintBackendData>
void DoPaintScrollbarThumb(PaintBackendData&, const LayoutDeviceRect& aRect,
ScrollbarKind, nsIFrame* aFrame,
const ComputedStyle& aStyle,
const ElementState& aElementState,
const DocumentState& aDocumentState, const Colors&,
const DPIRatio&);
bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect& aRect,
ScrollbarKind, nsIFrame* aFrame,
const ComputedStyle& aStyle,
const ElementState& aElementState,
const DocumentState& aDocumentState, const Colors&,
const DPIRatio&) override;
bool PaintScrollbarThumb(WebRenderBackendData&, const LayoutDeviceRect& aRect,
ScrollbarKind, nsIFrame* aFrame,
const ComputedStyle& aStyle,
const ElementState& aElementState,
const DocumentState& aDocumentState, const Colors&,
const DPIRatio&) override;
void RecomputeScrollbarParams() override;
bool ShouldDrawScrollbarButtons() override { return false; }
};
} // namespace mozilla::widget
#endif