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112 lines
5.1 KiB
C
112 lines
5.1 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_widget_ScrollbarDrawingCocoa_h
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#define mozilla_widget_ScrollbarDrawingCocoa_h
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#include "ScrollbarDrawing.h"
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#include "mozilla/Array.h"
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#include "nsNativeBasicTheme.h"
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namespace mozilla::widget {
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class ScrollbarDrawingCocoa final : public ScrollbarDrawing {
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public:
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ScrollbarDrawingCocoa() = default;
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virtual ~ScrollbarDrawingCocoa() = default;
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struct FillRectType {
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gfx::Rect mRect;
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nscolor mColor;
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};
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// The caller can draw this rectangle with rounded corners as appropriate.
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struct ThumbRect {
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gfx::Rect mRect;
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nscolor mFillColor;
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nscolor mStrokeColor;
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float mStrokeWidth;
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float mStrokeOutset;
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};
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using ScrollbarTrackRects = Array<FillRectType, 4>;
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using ScrollCornerRects = Array<FillRectType, 7>;
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LayoutDeviceIntSize GetMinimumWidgetSize(nsPresContext*,
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StyleAppearance aAppearance,
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nsIFrame* aFrame) override;
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static CSSIntCoord GetScrollbarSize(StyleScrollbarWidth aWidth,
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bool aOverlay);
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static LayoutDeviceIntCoord GetScrollbarSize(StyleScrollbarWidth aWidth,
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bool aOverlay,
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DPIRatio aDpiRatio);
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ScrollbarSizes GetScrollbarSizes(nsPresContext*, StyleScrollbarWidth,
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Overlay) override;
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static ThumbRect GetThumbRect(const gfx::Rect& aRect,
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const ScrollbarParams& aParams, float aScale);
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static bool GetScrollbarTrackRects(const gfx::Rect& aRect,
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const ScrollbarParams& aParams,
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float aScale, ScrollbarTrackRects& aRects);
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static bool GetScrollCornerRects(const gfx::Rect& aRect,
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const ScrollbarParams& aParams, float aScale,
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ScrollCornerRects& aRects);
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template <typename PaintBackendData>
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void DoPaintScrollbarThumb(PaintBackendData&, const LayoutDeviceRect& aRect,
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bool aHorizontal, nsIFrame* aFrame,
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const ComputedStyle& aStyle,
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const EventStates& aElementState,
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const EventStates& aDocumentState,
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const DPIRatio&);
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bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect&,
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bool aHorizontal, nsIFrame*, const ComputedStyle&,
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const EventStates& aElementState,
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const EventStates& aDocumentState, const Colors&,
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const DPIRatio&) override;
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bool PaintScrollbarThumb(WebRenderBackendData&, const LayoutDeviceRect&,
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bool aHorizontal, nsIFrame*, const ComputedStyle&,
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const EventStates& aElementState,
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const EventStates& aDocumentState, const Colors&,
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const DPIRatio&) override;
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template <typename PaintBackendData>
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void DoPaintScrollbarTrack(PaintBackendData&, const LayoutDeviceRect&, bool,
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nsIFrame*, const ComputedStyle&,
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const EventStates&, const DPIRatio&);
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bool PaintScrollbarTrack(DrawTarget&, const LayoutDeviceRect& aRect,
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bool aHorizontal, nsIFrame* aFrame,
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const ComputedStyle& aStyle,
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const EventStates& aDocumentState, const Colors&,
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const DPIRatio&) override;
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bool PaintScrollbarTrack(WebRenderBackendData&, const LayoutDeviceRect& aRect,
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bool aHorizontal, nsIFrame* aFrame,
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const ComputedStyle& aStyle,
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const EventStates& aDocumentState, const Colors&,
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const DPIRatio&) override;
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template <typename PaintBackendData>
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void DoPaintScrollCorner(PaintBackendData&, const LayoutDeviceRect&,
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nsIFrame*, const ComputedStyle&, const EventStates&,
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const DPIRatio&);
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bool PaintScrollCorner(DrawTarget&, const LayoutDeviceRect& aRect,
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nsIFrame* aFrame, const ComputedStyle& aStyle,
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const EventStates& aDocumentState, const Colors&,
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const DPIRatio&) override;
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bool PaintScrollCorner(WebRenderBackendData&, const LayoutDeviceRect& aRect,
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nsIFrame* aFrame, const ComputedStyle& aStyle,
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const EventStates& aDocumentState, const Colors&,
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const DPIRatio&) override;
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bool ShouldDrawScrollbarButtons() override { return false; }
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};
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} // namespace mozilla::widget
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#endif
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