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gecko-dev
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gecko-dev/widget/nsNativeBasicTheme.h

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/* -*- Mode: C++; tab-width: 2; 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 nsNativeBasicTheme_h
#define nsNativeBasicTheme_h
#include "Units.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Rect.h"
#include "mozilla/gfx/Types.h"
#include "nsITheme.h"
#include "nsNativeTheme.h"
namespace mozilla {
enum class StyleSystemColor : uint8_t;
namespace widget {
static constexpr gfx::sRGBColor sColorWhite(gfx::sRGBColor::OpaqueWhite());
static constexpr gfx::sRGBColor sColorWhiteAlpha50(gfx::sRGBColor::White(0.5f));
static constexpr gfx::sRGBColor sColorWhiteAlpha80(gfx::sRGBColor::White(0.8f));
static constexpr gfx::sRGBColor sColorBlack(gfx::sRGBColor::OpaqueBlack());
static constexpr gfx::sRGBColor sColorGrey10(
gfx::sRGBColor::UnusualFromARGB(0xffe9e9ed));
static constexpr gfx::sRGBColor sColorGrey10Alpha50(
gfx::sRGBColor::UnusualFromARGB(0x7fe9e9ed));
static constexpr gfx::sRGBColor sColorGrey20(
gfx::sRGBColor::UnusualFromARGB(0xffd0d0d7));
static constexpr gfx::sRGBColor sColorGrey30(
gfx::sRGBColor::UnusualFromARGB(0xffb1b1b9));
static constexpr gfx::sRGBColor sColorGrey40(
gfx::sRGBColor::UnusualFromARGB(0xff8f8f9d));
static constexpr gfx::sRGBColor sColorGrey40Alpha50(
gfx::sRGBColor::UnusualFromARGB(0x7f8f8f9d));
static constexpr gfx::sRGBColor sColorGrey50(
gfx::sRGBColor::UnusualFromARGB(0xff676774));
static constexpr gfx::sRGBColor sColorGrey50Alpha50(
gfx::sRGBColor::UnusualFromARGB(0x7f676774));
static constexpr gfx::sRGBColor sColorGrey60(
gfx::sRGBColor::UnusualFromARGB(0xff484851));
static constexpr gfx::sRGBColor sColorGrey60Alpha50(
gfx::sRGBColor::UnusualFromARGB(0x7f484851));
static constexpr gfx::sRGBColor sColorMeterGreen10(
gfx::sRGBColor::UnusualFromARGB(0xff00ab60));
static constexpr gfx::sRGBColor sColorMeterGreen20(
gfx::sRGBColor::UnusualFromARGB(0xff056139));
static constexpr gfx::sRGBColor sColorMeterYellow10(
gfx::sRGBColor::UnusualFromARGB(0xffffbd4f));
static constexpr gfx::sRGBColor sColorMeterYellow20(
gfx::sRGBColor::UnusualFromARGB(0xffd2811e));
static constexpr gfx::sRGBColor sColorMeterRed10(
gfx::sRGBColor::UnusualFromARGB(0xffe22850));
static constexpr gfx::sRGBColor sColorMeterRed20(
gfx::sRGBColor::UnusualFromARGB(0xff810220));
static constexpr gfx::sRGBColor sScrollbarColor(
gfx::sRGBColor::UnusualFromARGB(0xfff0f0f0));
static constexpr gfx::sRGBColor sScrollbarBorderColor(gfx::sRGBColor(1.0f, 1.0f,
1.0f));
static constexpr gfx::sRGBColor sScrollbarThumbColor(
gfx::sRGBColor::UnusualFromARGB(0xffcdcdcd));
static const CSSCoord kMinimumColorPickerHeight = 32.0f;
static const CSSCoord kMinimumRangeThumbSize = 20.0f;
static const CSSCoord kMinimumDropdownArrowButtonWidth = 18.0f;
static const CSSCoord kMinimumSpinnerButtonWidth = 18.0f;
static const CSSCoord kMinimumSpinnerButtonHeight = 9.0f;
static const CSSCoord kButtonBorderWidth = 1.0f;
static const CSSCoord kMenulistBorderWidth = 1.0f;
static const CSSCoord kTextFieldBorderWidth = 1.0f;
static const CSSCoord kRangeHeight = 6.0f;
static const CSSCoord kProgressbarHeight = 6.0f;
static const CSSCoord kMeterHeight = 12.0f;
// nsCheckboxRadioFrame takes the bottom of the content box as the baseline.
// This border-width makes its baseline 2px under the bottom, which is nice.
static constexpr CSSCoord kCheckboxRadioBorderWidth = 2.0f;
} // namespace widget
} // namespace mozilla
class nsNativeBasicTheme : protected nsNativeTheme, public nsITheme {
protected:
using sRGBColor = mozilla::gfx::sRGBColor;
using CSSCoord = mozilla::CSSCoord;
using CSSPoint = mozilla::CSSPoint;
using CSSIntCoord = mozilla::CSSIntCoord;
using ComputedStyle = mozilla::ComputedStyle;
using EventStates = mozilla::EventStates;
using DrawTarget = mozilla::gfx::DrawTarget;
using Path = mozilla::gfx::Path;
using Rect = mozilla::gfx::Rect;
using Point = mozilla::gfx::Point;
using RectCornerRadii = mozilla::gfx::RectCornerRadii;
using LayoutDeviceCoord = mozilla::LayoutDeviceCoord;
using LayoutDeviceRect = mozilla::LayoutDeviceRect;
class AccentColor;
public:
static void Init();
static void Shutdown();
static void LookAndFeelChanged();
using DPIRatio = mozilla::CSSToLayoutDeviceScale;
NS_DECL_ISUPPORTS_INHERITED
// The nsITheme interface.
NS_IMETHOD DrawWidgetBackground(gfxContext* aContext, nsIFrame*,
StyleAppearance, const nsRect& aRect,
const nsRect& aDirtyRect,
DrawOverflow) override;
struct WebRenderBackendData {
mozilla::wr::DisplayListBuilder& mBuilder;
mozilla::wr::IpcResourceUpdateQueue& mResources;
const mozilla::layers::StackingContextHelper& mSc;
mozilla::layers::RenderRootStateManager* mManager;
};
bool CreateWebRenderCommandsForWidget(
mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
const mozilla::layers::StackingContextHelper& aSc,
mozilla::layers::RenderRootStateManager* aManager, nsIFrame*,
StyleAppearance, const nsRect& aRect) override;
// PaintBackendData will be either a DrawTarget, or a WebRenderBackendData.
//
// The return value represents whether the widget could be painted with the
// given back-end.
template <typename PaintBackendData>
bool DoDrawWidgetBackground(PaintBackendData&, nsIFrame*, StyleAppearance,
const nsRect&, DrawOverflow);
[[nodiscard]] LayoutDeviceIntMargin GetWidgetBorder(nsDeviceContext* aContext,
nsIFrame*,
StyleAppearance) override;
bool GetWidgetPadding(nsDeviceContext* aContext, nsIFrame*, StyleAppearance,
LayoutDeviceIntMargin* aResult) override;
bool GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame*, StyleAppearance,
nsRect* aOverflowRect) override;
NS_IMETHOD GetMinimumWidgetSize(nsPresContext* aPresContext, nsIFrame*,
StyleAppearance,
mozilla::LayoutDeviceIntSize* aResult,
bool* aIsOverridable) override;
Transparency GetWidgetTransparency(nsIFrame*, StyleAppearance) override;
NS_IMETHOD WidgetStateChanged(nsIFrame*, StyleAppearance, nsAtom* aAttribute,
bool* aShouldRepaint,
const nsAttrValue* aOldValue) override;
NS_IMETHOD ThemeChanged() override;
bool WidgetAppearanceDependsOnWindowFocus(StyleAppearance) override;
/*bool NeedToClearBackgroundBehindWidget(
nsIFrame*, StyleAppearance) override;*/
ThemeGeometryType ThemeGeometryTypeForWidget(nsIFrame*,
StyleAppearance) override;
bool ThemeSupportsWidget(nsPresContext*, nsIFrame*, StyleAppearance) override;
bool WidgetIsContainer(StyleAppearance) override;
bool ThemeDrawsFocusForWidget(StyleAppearance) override;
bool ThemeNeedsComboboxDropmarker() override;
ScrollbarSizes GetScrollbarSizes(nsPresContext*, StyleScrollbarWidth,
Overlay) override;
static nscolor AdjustUnthemedScrollbarThumbColor(nscolor, EventStates);
static nscolor GetScrollbarButtonColor(nscolor aTrackColor, EventStates);
static mozilla::Maybe<nscolor> GetScrollbarArrowColor(nscolor aButtonColor);
nscoord GetCheckboxRadioPrefSize() override;
protected:
nsNativeBasicTheme() = default;
virtual ~nsNativeBasicTheme() = default;
static DPIRatio GetDPIRatioForScrollbarPart(nsPresContext*);
static DPIRatio GetDPIRatio(nsPresContext*, StyleAppearance);
static DPIRatio GetDPIRatio(nsIFrame*, StyleAppearance);
static bool IsDateTimeResetButton(nsIFrame*);
static bool IsColorPickerButton(nsIFrame*);
// Whether we should use system colors (for high contrast mode).
enum class UseSystemColors : bool { No, Yes };
static UseSystemColors ShouldUseSystemColors(const mozilla::dom::Document&);
std::pair<sRGBColor, sRGBColor> ComputeCheckboxColors(const EventStates&,
StyleAppearance,
const AccentColor&,
UseSystemColors);
sRGBColor ComputeCheckmarkColor(const EventStates&, const AccentColor&,
UseSystemColors);
sRGBColor ComputeBorderColor(const EventStates&, UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeButtonColors(const EventStates&,
UseSystemColors,
nsIFrame* = nullptr);
std::pair<sRGBColor, sRGBColor> ComputeTextfieldColors(const EventStates&,
UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeRangeProgressColors(const EventStates&,
const AccentColor&,
UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeRangeTrackColors(const EventStates&,
UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeRangeThumbColors(const EventStates&,
const AccentColor&,
UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeProgressColors(const AccentColor&,
UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeProgressTrackColors(UseSystemColors);
std::pair<sRGBColor, sRGBColor> ComputeMeterchunkColors(
const EventStates& aMeterState, UseSystemColors);
std::array<sRGBColor, 3> ComputeFocusRectColors(const AccentColor&,
UseSystemColors);
static bool ShouldUseDarkScrollbar(nsIFrame*, const ComputedStyle&);
sRGBColor ComputeScrollbarTrackColor(nsIFrame*, const ComputedStyle&,
const EventStates& aDocumentState,
UseSystemColors);
sRGBColor ComputeScrollbarThumbColor(nsIFrame*, const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors);
// Returned colors are button, arrow.
std::pair<sRGBColor, sRGBColor> ComputeScrollbarButtonColors(
nsIFrame*, StyleAppearance, const ComputedStyle&,
const EventStates& aElementState, const EventStates& aDocumentState,
UseSystemColors);
template <typename PaintBackendData>
void PaintRoundedFocusRect(PaintBackendData&, const LayoutDeviceRect&,
const AccentColor&, UseSystemColors, DPIRatio,
CSSCoord aRadius, CSSCoord aOffset);
template <typename PaintBackendData>
void PaintAutoStyleOutline(nsIFrame*, PaintBackendData&,
const LayoutDeviceRect&, const AccentColor&,
UseSystemColors, DPIRatio);
static void PaintRoundedRectWithRadius(DrawTarget&,
const LayoutDeviceRect& aRect,
const LayoutDeviceRect& aClipRect,
const sRGBColor& aBackgroundColor,
const sRGBColor& aBorderColor,
CSSCoord aBorderWidth,
CSSCoord aRadius, DPIRatio);
static void PaintRoundedRectWithRadius(WebRenderBackendData&,
const LayoutDeviceRect& aRect,
const LayoutDeviceRect& aClipRect,
const sRGBColor& aBackgroundColor,
const sRGBColor& aBorderColor,
CSSCoord aBorderWidth,
CSSCoord aRadius, DPIRatio);
template <typename PaintBackendData>
static void PaintRoundedRectWithRadius(PaintBackendData& aData,
const LayoutDeviceRect& aRect,
const sRGBColor& aBackgroundColor,
const sRGBColor& aBorderColor,
CSSCoord aBorderWidth,
CSSCoord aRadius, DPIRatio aDpiRatio) {
PaintRoundedRectWithRadius(aData, aRect, aRect, aBackgroundColor,
aBorderColor, aBorderWidth, aRadius, aDpiRatio);
}
static void FillRect(DrawTarget&, const LayoutDeviceRect&, const sRGBColor&);
static void FillRect(WebRenderBackendData&, const LayoutDeviceRect&,
const sRGBColor&);
void PaintCheckboxControl(DrawTarget& aDrawTarget, const LayoutDeviceRect&,
const EventStates&, const AccentColor&,
UseSystemColors, DPIRatio);
void PaintCheckMark(DrawTarget&, const LayoutDeviceRect&, const EventStates&,
const AccentColor&, UseSystemColors);
void PaintIndeterminateMark(DrawTarget&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&,
UseSystemColors);
template <typename PaintBackendData>
void PaintStrokedCircle(PaintBackendData&, const LayoutDeviceRect&,
const sRGBColor& aBackgroundColor,
const sRGBColor& aBorderColor,
const CSSCoord aBorderWidth, DPIRatio);
void PaintCircleShadow(DrawTarget&, const LayoutDeviceRect& aBoxRect,
const LayoutDeviceRect& aClipRect, float aShadowAlpha,
const CSSPoint& aShadowOffset,
CSSCoord aShadowBlurStdDev, DPIRatio);
void PaintCircleShadow(WebRenderBackendData&,
const LayoutDeviceRect& aBoxRect,
const LayoutDeviceRect& aClipRect, float aShadowAlpha,
const CSSPoint& aShadowOffset,
CSSCoord aShadowBlurStdDev, DPIRatio);
template <typename PaintBackendData>
void PaintRadioControl(PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&,
UseSystemColors, DPIRatio);
template <typename PaintBackendData>
void PaintRadioCheckmark(PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, DPIRatio);
template <typename PaintBackendData>
void PaintTextField(PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor& aAccent,
UseSystemColors, DPIRatio);
template <typename PaintBackendData>
void PaintListbox(PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&, UseSystemColors,
DPIRatio);
template <typename PaintBackendData>
void PaintMenulist(PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&, UseSystemColors,
DPIRatio);
void PaintArrow(DrawTarget&, const LayoutDeviceRect&,
const float aArrowPolygonX[], const float aArrowPolygonY[],
const float aArrowPolygonSize, const int32_t aArrowNumPoints,
const sRGBColor aFillColor);
void PaintMenulistArrowButton(nsIFrame*, DrawTarget&, const LayoutDeviceRect&,
const EventStates&, UseSystemColors);
void PaintSpinnerButton(nsIFrame*, DrawTarget&, const LayoutDeviceRect&,
const EventStates&, StyleAppearance, UseSystemColors,
DPIRatio);
template <typename PaintBackendData>
void PaintRange(nsIFrame*, PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&, UseSystemColors,
DPIRatio, bool aHorizontal);
template <typename PaintBackendData>
void PaintProgress(nsIFrame*, PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&, UseSystemColors,
DPIRatio, bool aIsMeter);
template <typename PaintBackendData>
void PaintButton(nsIFrame*, PaintBackendData&, const LayoutDeviceRect&,
const EventStates&, const AccentColor&, UseSystemColors,
DPIRatio);
void PaintScrollbarButton(DrawTarget&, StyleAppearance,
const LayoutDeviceRect&, nsIFrame*,
const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState, UseSystemColors,
DPIRatio);
virtual bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect&,
bool aHorizontal, nsIFrame*,
const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
virtual bool PaintScrollbarThumb(WebRenderBackendData&,
const LayoutDeviceRect&, bool aHorizontal,
nsIFrame*, const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
template <typename PaintBackendData>
bool DoPaintDefaultScrollbarThumb(PaintBackendData&, const LayoutDeviceRect&,
bool aHorizontal, nsIFrame*,
const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors aUseSystemColors, DPIRatio);
virtual bool PaintScrollbar(DrawTarget&, const LayoutDeviceRect&,
bool aHorizontal, nsIFrame*, const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
virtual bool PaintScrollbar(WebRenderBackendData&, const LayoutDeviceRect&,
bool aHorizontal, nsIFrame*, const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
template <typename PaintBackendData>
bool DoPaintDefaultScrollbar(PaintBackendData&, const LayoutDeviceRect&,
bool aHorizontal, nsIFrame*,
const ComputedStyle&,
const EventStates& aElementState,
const EventStates& aDocumentState,
UseSystemColors aUseSystemColors, DPIRatio);
virtual bool PaintScrollbarTrack(DrawTarget&, const LayoutDeviceRect&,
bool aHorizontal, nsIFrame*,
const ComputedStyle&,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio) {
// Draw nothing by default. Subclasses can override this.
return true;
}
virtual bool PaintScrollbarTrack(WebRenderBackendData&,
const LayoutDeviceRect&, bool aHorizontal,
nsIFrame*, const ComputedStyle&,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio) {
// Draw nothing by default. Subclasses can override this.
return true;
}
virtual bool PaintScrollCorner(DrawTarget&, const LayoutDeviceRect&,
nsIFrame*, const ComputedStyle&,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
virtual bool PaintScrollCorner(WebRenderBackendData&, const LayoutDeviceRect&,
nsIFrame*, const ComputedStyle&,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
template <typename PaintBackendData>
bool DoPaintDefaultScrollCorner(PaintBackendData&, const LayoutDeviceRect&,
nsIFrame*, const ComputedStyle&,
const EventStates& aDocumentState,
UseSystemColors, DPIRatio);
static CSSIntCoord sHorizontalScrollbarHeight;
static CSSIntCoord sVerticalScrollbarWidth;
static bool sOverlayScrollbars;
static void PrefChangedCallback(const char*, void*) { LookAndFeelChanged(); }
static void RecomputeAccentColors();
static void RecomputeScrollbarParams();
};
#endif
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