widget/ScrollbarDrawingAndroid.h

   1 /* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_widget_ScrollbarDrawingAndroid_h
   7 #define mozilla_widget_ScrollbarDrawingAndroid_h
   8
   9 #include "nsITheme.h"
  10 #include "ScrollbarDrawing.h"
  11
  12 namespace mozilla::widget {
  13
  14 class ScrollbarDrawingAndroid final : public ScrollbarDrawing {
  15  public:
  16   ScrollbarDrawingAndroid() : ScrollbarDrawing(Kind::Android) {}
  17   virtual ~ScrollbarDrawingAndroid() = default;
  18
  19   LayoutDeviceIntSize GetMinimumWidgetSize(nsPresContext*,
  20                                            StyleAppearance aAppearance,
  21                                            nsIFrame* aFrame) override;
  22
  23   template <typename PaintBackendData>
  24   void DoPaintScrollbarThumb(PaintBackendData&, const LayoutDeviceRect& aRect,
  25                              ScrollbarKind, nsIFrame* aFrame,
  26                              const ComputedStyle& aStyle,
  27                              const ElementState& aElementState,
  28                              const DocumentState& aDocumentState, const Colors&,
  29                              const DPIRatio&);
  30   bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect& aRect,
  31                            ScrollbarKind, nsIFrame* aFrame,
  32                            const ComputedStyle& aStyle,
  33                            const ElementState& aElementState,
  34                            const DocumentState& aDocumentState, const Colors&,
  35                            const DPIRatio&) override;
  36   bool PaintScrollbarThumb(WebRenderBackendData&, const LayoutDeviceRect& aRect,
  37                            ScrollbarKind, nsIFrame* aFrame,
  38                            const ComputedStyle& aStyle,
  39                            const ElementState& aElementState,
  40                            const DocumentState& aDocumentState, const Colors&,
  41                            const DPIRatio&) override;
  42
  43   void RecomputeScrollbarParams() override;
  44
  45   bool ShouldDrawScrollbarButtons() override { return false; }
  46 };
  47
  48 }  // namespace mozilla::widget
  49
  50 #endif