widget/ScrollbarDrawingCocoa.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_widget_ScrollbarDrawingCocoa_h
   8 #define mozilla_widget_ScrollbarDrawingCocoa_h
   9
  10 #include "ScrollbarDrawing.h"
  11
  12 #include "mozilla/Array.h"
  13
  14 namespace mozilla::widget {
  15
  16 class ScrollbarDrawingCocoa final : public ScrollbarDrawing {
  17  public:
  18   ScrollbarDrawingCocoa() : ScrollbarDrawing(Kind::Cocoa) {}
  19   virtual ~ScrollbarDrawingCocoa() = default;
  20
  21   LayoutDeviceIntSize GetMinimumWidgetSize(nsPresContext*,
  22                                            StyleAppearance aAppearance,
  23                                            nsIFrame* aFrame) override;
  24
  25   static CSSIntCoord GetScrollbarSize(StyleScrollbarWidth, bool aOverlay);
  26
  27   template <typename PaintBackendData>
  28   void DoPaintScrollbarThumb(PaintBackendData&, const LayoutDeviceRect& aRect,
  29                              ScrollbarKind, nsIFrame* aFrame,
  30                              const ComputedStyle& aStyle, const ElementState&,
  31                              const DocumentState&, const Colors&,
  32                              const DPIRatio&);
  33   bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect&, ScrollbarKind,
  34                            nsIFrame*, const ComputedStyle&, const ElementState&,
  35                            const DocumentState&, const Colors&,
  36                            const DPIRatio&) override;
  37   bool PaintScrollbarThumb(WebRenderBackendData&, const LayoutDeviceRect&,
  38                            ScrollbarKind, nsIFrame*, const ComputedStyle&,
  39                            const ElementState&, const DocumentState&,
  40                            const Colors&, const DPIRatio&) override;
  41
  42   template <typename PaintBackendData>
  43   void DoPaintScrollbarTrack(PaintBackendData&, const LayoutDeviceRect&,
  44                              ScrollbarKind, nsIFrame*, const ComputedStyle&,
  45                              const DocumentState&, const Colors&,
  46                              const DPIRatio&);
  47   bool PaintScrollbarTrack(DrawTarget&, const LayoutDeviceRect& aRect,
  48                            ScrollbarKind, nsIFrame* aFrame,
  49                            const ComputedStyle& aStyle, const DocumentState&,
  50                            const Colors&, const DPIRatio&) override;
  51   bool PaintScrollbarTrack(WebRenderBackendData&, const LayoutDeviceRect& aRect,
  52                            ScrollbarKind, nsIFrame* aFrame,
  53                            const ComputedStyle& aStyle, const DocumentState&,
  54                            const Colors&, const DPIRatio&) override;
  55
  56   template <typename PaintBackendData>
  57   void DoPaintScrollCorner(PaintBackendData&, const LayoutDeviceRect&,
  58                            ScrollbarKind, nsIFrame*, const ComputedStyle&,
  59                            const DocumentState&, const Colors&,
  60                            const DPIRatio&);
  61   bool PaintScrollCorner(DrawTarget&, const LayoutDeviceRect&, ScrollbarKind,
  62                          nsIFrame*, const ComputedStyle&, const DocumentState&,
  63                          const Colors&, const DPIRatio&) override;
  64   bool PaintScrollCorner(WebRenderBackendData&, const LayoutDeviceRect&,
  65                          ScrollbarKind, nsIFrame*, const ComputedStyle&,
  66                          const DocumentState&, const Colors&,
  67                          const DPIRatio&) override;
  68
  69   void RecomputeScrollbarParams() override;
  70
  71   bool ShouldDrawScrollbarButtons() override { return false; }
  72 };
  73
  74 }  // namespace mozilla::widget
  75
  76 #endif