mirror of
				https://github.com/mozilla/gecko-dev.git
				synced 2025-11-04 02:09:05 +02:00 
			
		
		
		
	It's suitable for foreground colors only. Differential Revision: https://phabricator.services.mozilla.com/D221557
		
			
				
	
	
		
			1706 lines
		
	
	
	
		
			65 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1706 lines
		
	
	
	
		
			65 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/. */
 | 
						|
 | 
						|
#include "Theme.h"
 | 
						|
#include <utility>
 | 
						|
#include "ThemeCocoa.h"
 | 
						|
 | 
						|
#include "ThemeDrawing.h"
 | 
						|
#include "Units.h"
 | 
						|
#include "mozilla/MathAlgorithms.h"
 | 
						|
#include "mozilla/ClearOnShutdown.h"
 | 
						|
#include "mozilla/dom/Document.h"
 | 
						|
#include "mozilla/dom/HTMLMeterElement.h"
 | 
						|
#include "mozilla/dom/HTMLProgressElement.h"
 | 
						|
#include "mozilla/gfx/Rect.h"
 | 
						|
#include "mozilla/gfx/Types.h"
 | 
						|
#include "mozilla/gfx/Filters.h"
 | 
						|
#include "mozilla/RelativeLuminanceUtils.h"
 | 
						|
#include "mozilla/ScrollContainerFrame.h"
 | 
						|
#include "mozilla/StaticPrefs_widget.h"
 | 
						|
#include "mozilla/webrender/WebRenderAPI.h"
 | 
						|
#include "nsCSSColorUtils.h"
 | 
						|
#include "nsCSSRendering.h"
 | 
						|
#include "nsScrollbarFrame.h"
 | 
						|
#include "nsIScrollbarMediator.h"
 | 
						|
#include "nsDeviceContext.h"
 | 
						|
#include "nsLayoutUtils.h"
 | 
						|
#include "nsRangeFrame.h"
 | 
						|
#include "PathHelpers.h"
 | 
						|
#include "ScrollbarDrawingAndroid.h"
 | 
						|
#include "ScrollbarDrawingCocoa.h"
 | 
						|
#include "ScrollbarDrawingGTK.h"
 | 
						|
#include "ScrollbarDrawingWin.h"
 | 
						|
#include "ScrollbarDrawingWin11.h"
 | 
						|
 | 
						|
#ifdef XP_WIN
 | 
						|
#  include "mozilla/WindowsVersion.h"
 | 
						|
#endif
 | 
						|
 | 
						|
using namespace mozilla;
 | 
						|
using namespace mozilla::dom;
 | 
						|
using namespace mozilla::gfx;
 | 
						|
using namespace mozilla::widget;
 | 
						|
 | 
						|
namespace {
 | 
						|
 | 
						|
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 sColorGrey60(
 | 
						|
    gfx::sRGBColor::UnusualFromARGB(0xff484851));
 | 
						|
 | 
						|
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 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;
 | 
						|
 | 
						|
static constexpr sRGBColor sTransparent = sRGBColor::White(0.0);
 | 
						|
 | 
						|
// This pushes and pops a clip rect to the draw target.
 | 
						|
//
 | 
						|
// This is done to reduce fuzz in places where we may have antialiasing,
 | 
						|
// because skia is not clip-invariant: given different clips, it does not
 | 
						|
// guarantee the same result, even if the painted content doesn't intersect
 | 
						|
// the clips.
 | 
						|
//
 | 
						|
// This is a bit sad, overall, but...
 | 
						|
struct MOZ_RAII AutoClipRect {
 | 
						|
  AutoClipRect(DrawTarget& aDt, const LayoutDeviceRect& aRect) : mDt(aDt) {
 | 
						|
    mDt.PushClipRect(aRect.ToUnknownRect());
 | 
						|
  }
 | 
						|
 | 
						|
  ~AutoClipRect() { mDt.PopClip(); }
 | 
						|
 | 
						|
 private:
 | 
						|
  DrawTarget& mDt;
 | 
						|
};
 | 
						|
 | 
						|
static StaticRefPtr<Theme> gNativeInstance;
 | 
						|
static StaticRefPtr<Theme> gNonNativeInstance;
 | 
						|
static StaticRefPtr<Theme> gRDMInstance;
 | 
						|
 | 
						|
}  // namespace
 | 
						|
 | 
						|
#ifdef ANDROID
 | 
						|
already_AddRefed<Theme> do_CreateNativeThemeDoNotUseDirectly() {
 | 
						|
  // Android doesn't have a native theme.
 | 
						|
  return do_AddRef(new Theme(Theme::ScrollbarStyle()));
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
already_AddRefed<nsITheme> do_GetBasicNativeThemeDoNotUseDirectly() {
 | 
						|
  if (MOZ_UNLIKELY(!gNonNativeInstance)) {
 | 
						|
    UniquePtr<ScrollbarDrawing> scrollbarDrawing = Theme::ScrollbarStyle();
 | 
						|
#ifdef MOZ_WIDGET_COCOA
 | 
						|
    gNonNativeInstance = new ThemeCocoa(std::move(scrollbarDrawing));
 | 
						|
#else
 | 
						|
    gNonNativeInstance = new Theme(std::move(scrollbarDrawing));
 | 
						|
#endif
 | 
						|
    ClearOnShutdown(&gNonNativeInstance);
 | 
						|
  }
 | 
						|
  return do_AddRef(gNonNativeInstance);
 | 
						|
}
 | 
						|
 | 
						|
already_AddRefed<nsITheme> do_GetNativeThemeDoNotUseDirectly() {
 | 
						|
  if (MOZ_UNLIKELY(!gNativeInstance)) {
 | 
						|
    gNativeInstance = do_CreateNativeThemeDoNotUseDirectly();
 | 
						|
    ClearOnShutdown(&gNativeInstance);
 | 
						|
  }
 | 
						|
  return do_AddRef(gNativeInstance);
 | 
						|
}
 | 
						|
 | 
						|
already_AddRefed<nsITheme> do_GetRDMThemeDoNotUseDirectly() {
 | 
						|
  if (MOZ_UNLIKELY(!gRDMInstance)) {
 | 
						|
    gRDMInstance = new Theme(MakeUnique<ScrollbarDrawingAndroid>());
 | 
						|
    ClearOnShutdown(&gRDMInstance);
 | 
						|
  }
 | 
						|
  return do_AddRef(gRDMInstance);
 | 
						|
}
 | 
						|
 | 
						|
namespace mozilla::widget {
 | 
						|
 | 
						|
NS_IMPL_ISUPPORTS_INHERITED(Theme, nsNativeTheme, nsITheme)
 | 
						|
 | 
						|
static constexpr nsLiteralCString kPrefs[] = {
 | 
						|
    "widget.non-native-theme.use-theme-accent"_ns,
 | 
						|
    "widget.non-native-theme.win.scrollbar.use-system-size"_ns,
 | 
						|
    "widget.non-native-theme.scrollbar.size.override"_ns,
 | 
						|
    "widget.non-native-theme.scrollbar.style"_ns,
 | 
						|
};
 | 
						|
 | 
						|
void Theme::Init() {
 | 
						|
  for (const auto& pref : kPrefs) {
 | 
						|
    Preferences::RegisterCallback(PrefChangedCallback, pref);
 | 
						|
  }
 | 
						|
  LookAndFeelChanged();
 | 
						|
}
 | 
						|
 | 
						|
void Theme::Shutdown() {
 | 
						|
  for (const auto& pref : kPrefs) {
 | 
						|
    Preferences::UnregisterCallback(PrefChangedCallback, pref);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/* static */
 | 
						|
void Theme::LookAndFeelChanged() {
 | 
						|
  ThemeColors::RecomputeAccentColors();
 | 
						|
  if (gNonNativeInstance) {
 | 
						|
    gNonNativeInstance->SetScrollbarDrawing(ScrollbarStyle());
 | 
						|
  }
 | 
						|
  if (gNativeInstance) {
 | 
						|
    gNativeInstance->SetScrollbarDrawing(ScrollbarStyle());
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
auto Theme::GetDPIRatio(nsPresContext* aPc,
 | 
						|
                        StyleAppearance aAppearance) -> DPIRatio {
 | 
						|
  // Widgets react to zoom, except scrollbars.
 | 
						|
  if (IsWidgetScrollbarPart(aAppearance)) {
 | 
						|
    return GetScrollbarDrawing().GetDPIRatioForScrollbarPart(aPc);
 | 
						|
  }
 | 
						|
  return DPIRatio(float(AppUnitsPerCSSPixel()) / aPc->AppUnitsPerDevPixel());
 | 
						|
}
 | 
						|
 | 
						|
auto Theme::GetDPIRatio(nsIFrame* aFrame,
 | 
						|
                        StyleAppearance aAppearance) -> DPIRatio {
 | 
						|
  return GetDPIRatio(aFrame->PresContext(), aAppearance);
 | 
						|
}
 | 
						|
 | 
						|
// Checkbox and radio need to preserve aspect-ratio for compat. We also snap the
 | 
						|
// size to exact device pixels to avoid snapping disorting the circles.
 | 
						|
static LayoutDeviceRect CheckBoxRadioRect(const LayoutDeviceRect& aRect) {
 | 
						|
  // Place a square rect in the center of aRect.
 | 
						|
  auto size = std::trunc(std::min(aRect.width, aRect.height));
 | 
						|
  auto position = aRect.Center() - LayoutDevicePoint(size * 0.5, size * 0.5);
 | 
						|
  return LayoutDeviceRect(position, LayoutDeviceSize(size, size));
 | 
						|
}
 | 
						|
 | 
						|
std::tuple<sRGBColor, sRGBColor, sRGBColor> Theme::ComputeCheckboxColors(
 | 
						|
    const ElementState& aState, StyleAppearance aAppearance,
 | 
						|
    const Colors& aColors) {
 | 
						|
  MOZ_ASSERT(aAppearance == StyleAppearance::Checkbox ||
 | 
						|
             aAppearance == StyleAppearance::Radio);
 | 
						|
 | 
						|
  bool isDisabled = aState.HasState(ElementState::DISABLED);
 | 
						|
  bool isChecked = aState.HasState(ElementState::CHECKED);
 | 
						|
  bool isIndeterminate = aAppearance == StyleAppearance::Checkbox &&
 | 
						|
                         aState.HasState(ElementState::INDETERMINATE);
 | 
						|
 | 
						|
  if (isChecked || isIndeterminate) {
 | 
						|
    if (isDisabled) {
 | 
						|
      auto bg = ComputeBorderColor(aState, aColors, OutlineCoversBorder::No);
 | 
						|
      auto fg = aColors.HighContrast()
 | 
						|
                    ? aColors.System(StyleSystemColor::Graytext)
 | 
						|
                    : sRGBColor::White(aColors.IsDark() ? .4f : .8f);
 | 
						|
      return std::make_tuple(bg, bg, fg);
 | 
						|
    }
 | 
						|
 | 
						|
    if (aColors.HighContrast()) {
 | 
						|
      auto bg = aColors.System(StyleSystemColor::Selecteditem);
 | 
						|
      auto fg = aColors.System(StyleSystemColor::Selecteditemtext);
 | 
						|
      return std::make_tuple(bg, bg, fg);
 | 
						|
    }
 | 
						|
 | 
						|
    bool isActive =
 | 
						|
        aState.HasAllStates(ElementState::HOVER | ElementState::ACTIVE);
 | 
						|
    bool isHovered = aState.HasState(ElementState::HOVER);
 | 
						|
    const auto& bg = isActive    ? aColors.Accent().GetDarker()
 | 
						|
                     : isHovered ? aColors.Accent().GetDark()
 | 
						|
                                 : aColors.Accent().Get();
 | 
						|
    const auto& fg = aColors.Accent().GetForeground();
 | 
						|
    return std::make_tuple(bg, bg, fg);
 | 
						|
  }
 | 
						|
 | 
						|
  auto [bg, border] =
 | 
						|
      ComputeTextfieldColors(aState, aColors, OutlineCoversBorder::No);
 | 
						|
  // We don't paint a checkmark in this case so any color would do.
 | 
						|
  return std::make_tuple(bg, border, sTransparent);
 | 
						|
}
 | 
						|
 | 
						|
sRGBColor Theme::ComputeBorderColor(const ElementState& aState,
 | 
						|
                                    const Colors& aColors,
 | 
						|
                                    OutlineCoversBorder aOutlineCoversBorder) {
 | 
						|
  bool isDisabled = aState.HasState(ElementState::DISABLED);
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return aColors.System(isDisabled ? StyleSystemColor::Graytext
 | 
						|
                                     : StyleSystemColor::Buttontext);
 | 
						|
  }
 | 
						|
  bool isActive =
 | 
						|
      aState.HasAllStates(ElementState::HOVER | ElementState::ACTIVE);
 | 
						|
  bool isHovered = aState.HasState(ElementState::HOVER);
 | 
						|
  bool isFocused = aState.HasState(ElementState::FOCUSRING);
 | 
						|
  if (isDisabled) {
 | 
						|
    return sColorGrey40Alpha50;
 | 
						|
  }
 | 
						|
  if (isFocused && aOutlineCoversBorder == OutlineCoversBorder::Yes) {
 | 
						|
    // If we draw the outline over the border, prevent issues where the border
 | 
						|
    // shows underneath if it snaps in the wrong direction by using a
 | 
						|
    // transparent border. An alternative to this is ensuring that we snap the
 | 
						|
    // offset in PaintRoundedFocusRect the same was a we snap border widths, so
 | 
						|
    // that negative offsets are guaranteed to cover the border.
 | 
						|
    // But this looks harder to mess up.
 | 
						|
    return sTransparent;
 | 
						|
  }
 | 
						|
  bool dark = aColors.IsDark();
 | 
						|
  if (isActive) {
 | 
						|
    return dark ? sColorGrey20 : sColorGrey60;
 | 
						|
  }
 | 
						|
  if (isHovered) {
 | 
						|
    return dark ? sColorGrey30 : sColorGrey50;
 | 
						|
  }
 | 
						|
  return sColorGrey40;
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeButtonColors(
 | 
						|
    const ElementState& aState, const Colors& aColors, nsIFrame* aFrame) {
 | 
						|
  bool isActive =
 | 
						|
      aState.HasAllStates(ElementState::HOVER | ElementState::ACTIVE);
 | 
						|
  bool isDisabled = aState.HasState(ElementState::DISABLED);
 | 
						|
  bool isHovered = aState.HasState(ElementState::HOVER);
 | 
						|
 | 
						|
  nscolor backgroundColor = [&] {
 | 
						|
    if (aState.HasState(ElementState::AUTOFILL)) {
 | 
						|
      return aColors.SystemNs(StyleSystemColor::MozAutofillBackground);
 | 
						|
    }
 | 
						|
    if (isDisabled) {
 | 
						|
      return aColors.SystemNs(StyleSystemColor::MozButtondisabledface);
 | 
						|
    }
 | 
						|
    if (isActive) {
 | 
						|
      return aColors.SystemNs(StyleSystemColor::MozButtonactiveface);
 | 
						|
    }
 | 
						|
    if (isHovered) {
 | 
						|
      return aColors.SystemNs(StyleSystemColor::MozButtonhoverface);
 | 
						|
    }
 | 
						|
    return aColors.SystemNs(StyleSystemColor::Buttonface);
 | 
						|
  }();
 | 
						|
 | 
						|
  const sRGBColor borderColor =
 | 
						|
      ComputeBorderColor(aState, aColors, OutlineCoversBorder::Yes);
 | 
						|
  return std::make_pair(sRGBColor::FromABGR(backgroundColor), borderColor);
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeTextfieldColors(
 | 
						|
    const ElementState& aState, const Colors& aColors,
 | 
						|
    OutlineCoversBorder aOutlineCoversBorder) {
 | 
						|
  nscolor backgroundColor = [&] {
 | 
						|
    if (aState.HasState(ElementState::AUTOFILL)) {
 | 
						|
      return aColors.SystemNs(StyleSystemColor::MozAutofillBackground);
 | 
						|
    }
 | 
						|
    if (aState.HasState(ElementState::DISABLED)) {
 | 
						|
      return aColors.SystemNs(StyleSystemColor::MozDisabledfield);
 | 
						|
    }
 | 
						|
    return aColors.SystemNs(StyleSystemColor::Field);
 | 
						|
  }();
 | 
						|
 | 
						|
  const sRGBColor borderColor =
 | 
						|
      ComputeBorderColor(aState, aColors, aOutlineCoversBorder);
 | 
						|
  return std::make_pair(sRGBColor::FromABGR(backgroundColor), borderColor);
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeRangeProgressColors(
 | 
						|
    const ElementState& aState, const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return aColors.SystemPair(StyleSystemColor::Selecteditem,
 | 
						|
                              StyleSystemColor::Buttontext);
 | 
						|
  }
 | 
						|
 | 
						|
  bool isActive =
 | 
						|
      aState.HasAllStates(ElementState::HOVER | ElementState::ACTIVE);
 | 
						|
  bool isDisabled = aState.HasState(ElementState::DISABLED);
 | 
						|
  bool isHovered = aState.HasState(ElementState::HOVER);
 | 
						|
 | 
						|
  if (isDisabled) {
 | 
						|
    return std::make_pair(sColorGrey40Alpha50, sColorGrey40Alpha50);
 | 
						|
  }
 | 
						|
  if (isActive || isHovered) {
 | 
						|
    return std::make_pair(aColors.Accent().GetDark(),
 | 
						|
                          aColors.Accent().GetDarker());
 | 
						|
  }
 | 
						|
  return std::make_pair(aColors.Accent().Get(), aColors.Accent().GetDark());
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeRangeTrackColors(
 | 
						|
    const ElementState& aState, const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return aColors.SystemPair(StyleSystemColor::Window,
 | 
						|
                              StyleSystemColor::Buttontext);
 | 
						|
  }
 | 
						|
  bool isActive =
 | 
						|
      aState.HasAllStates(ElementState::HOVER | ElementState::ACTIVE);
 | 
						|
  bool isDisabled = aState.HasState(ElementState::DISABLED);
 | 
						|
  bool isHovered = aState.HasState(ElementState::HOVER);
 | 
						|
 | 
						|
  if (isDisabled) {
 | 
						|
    return std::make_pair(sColorGrey10Alpha50, sColorGrey40Alpha50);
 | 
						|
  }
 | 
						|
  if (isActive || isHovered) {
 | 
						|
    return std::make_pair(sColorGrey20, sColorGrey50);
 | 
						|
  }
 | 
						|
  return std::make_pair(sColorGrey10, sColorGrey40);
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeRangeThumbColors(
 | 
						|
    const ElementState& aState, const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return aColors.SystemPair(StyleSystemColor::Selecteditemtext,
 | 
						|
                              StyleSystemColor::Selecteditem);
 | 
						|
  }
 | 
						|
 | 
						|
  bool isActive =
 | 
						|
      aState.HasAllStates(ElementState::HOVER | ElementState::ACTIVE);
 | 
						|
  bool isDisabled = aState.HasState(ElementState::DISABLED);
 | 
						|
  bool isHovered = aState.HasState(ElementState::HOVER);
 | 
						|
 | 
						|
  const sRGBColor& backgroundColor = [&] {
 | 
						|
    if (isDisabled) {
 | 
						|
      return sColorGrey40;
 | 
						|
    }
 | 
						|
    if (isActive) {
 | 
						|
      return aColors.Accent().Get();
 | 
						|
    }
 | 
						|
    if (isHovered) {
 | 
						|
      return sColorGrey60;
 | 
						|
    }
 | 
						|
    return sColorGrey50;
 | 
						|
  }();
 | 
						|
 | 
						|
  const sRGBColor borderColor = sRGBColor::OpaqueWhite();
 | 
						|
  return std::make_pair(backgroundColor, borderColor);
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeProgressColors(
 | 
						|
    const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return aColors.SystemPair(StyleSystemColor::Selecteditem,
 | 
						|
                              StyleSystemColor::Buttontext);
 | 
						|
  }
 | 
						|
  return std::make_pair(aColors.Accent().Get(), aColors.Accent().GetDark());
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeProgressTrackColors(
 | 
						|
    const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return aColors.SystemPair(StyleSystemColor::Buttonface,
 | 
						|
                              StyleSystemColor::Buttontext);
 | 
						|
  }
 | 
						|
  return std::make_pair(sColorGrey10, sColorGrey40);
 | 
						|
}
 | 
						|
 | 
						|
std::pair<sRGBColor, sRGBColor> Theme::ComputeMeterchunkColors(
 | 
						|
    const ElementState& aMeterState, const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return ComputeProgressColors(aColors);
 | 
						|
  }
 | 
						|
  sRGBColor borderColor = sColorMeterGreen20;
 | 
						|
  sRGBColor chunkColor = sColorMeterGreen10;
 | 
						|
 | 
						|
  if (aMeterState.HasState(ElementState::SUB_OPTIMUM)) {
 | 
						|
    borderColor = sColorMeterYellow20;
 | 
						|
    chunkColor = sColorMeterYellow10;
 | 
						|
  } else if (aMeterState.HasState(ElementState::SUB_SUB_OPTIMUM)) {
 | 
						|
    borderColor = sColorMeterRed20;
 | 
						|
    chunkColor = sColorMeterRed10;
 | 
						|
  }
 | 
						|
 | 
						|
  return std::make_pair(chunkColor, borderColor);
 | 
						|
}
 | 
						|
 | 
						|
std::array<sRGBColor, 3> Theme::ComputeFocusRectColors(const Colors& aColors) {
 | 
						|
  if (aColors.HighContrast()) {
 | 
						|
    return {aColors.System(StyleSystemColor::Selecteditem),
 | 
						|
            aColors.System(StyleSystemColor::Buttontext),
 | 
						|
            aColors.System(StyleSystemColor::Window)};
 | 
						|
  }
 | 
						|
  const auto& accent = aColors.Accent();
 | 
						|
  const sRGBColor middle =
 | 
						|
      aColors.IsDark() ? sRGBColor::Black(.3f) : sRGBColor::White(.3f);
 | 
						|
  return {accent.Get(), middle, accent.GetLight()};
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintRoundedFocusRect(PaintBackendData& aBackendData,
 | 
						|
                                  const LayoutDeviceRect& aRect,
 | 
						|
                                  const Colors& aColors, DPIRatio aDpiRatio,
 | 
						|
                                  CSSCoord aRadius, CSSCoord aOffset) {
 | 
						|
  // NOTE(emilio): If the widths or offsets here change, make sure to tweak
 | 
						|
  // the GetWidgetOverflow path for FocusOutline.
 | 
						|
  auto [innerColor, middleColor, outerColor] = ComputeFocusRectColors(aColors);
 | 
						|
 | 
						|
  LayoutDeviceRect focusRect(aRect);
 | 
						|
 | 
						|
  // The focus rect is painted outside of the border area (aRect), see:
 | 
						|
  //
 | 
						|
  //   data:text/html,<div style="border: 1px solid; outline: 2px solid
 | 
						|
  //   red">Foobar</div>
 | 
						|
  //
 | 
						|
  // But some controls might provide a negative offset to cover the border, if
 | 
						|
  // necessary.
 | 
						|
  CSSCoord strokeWidth = 2.0f;
 | 
						|
  auto strokeWidthDevPx =
 | 
						|
      LayoutDeviceCoord(ThemeDrawing::SnapBorderWidth(strokeWidth, aDpiRatio));
 | 
						|
  CSSCoord strokeRadius = aRadius;
 | 
						|
  focusRect.Inflate(aOffset * aDpiRatio + strokeWidthDevPx);
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(
 | 
						|
      aBackendData, focusRect, sTransparent, innerColor, strokeWidth,
 | 
						|
      strokeRadius, aDpiRatio);
 | 
						|
 | 
						|
  strokeWidth = CSSCoord(1.0f);
 | 
						|
  strokeWidthDevPx =
 | 
						|
      LayoutDeviceCoord(ThemeDrawing::SnapBorderWidth(strokeWidth, aDpiRatio));
 | 
						|
  strokeRadius += strokeWidth;
 | 
						|
  focusRect.Inflate(strokeWidthDevPx);
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(
 | 
						|
      aBackendData, focusRect, sTransparent, middleColor, strokeWidth,
 | 
						|
      strokeRadius, aDpiRatio);
 | 
						|
 | 
						|
  strokeWidth = CSSCoord(2.0f);
 | 
						|
  strokeWidthDevPx =
 | 
						|
      LayoutDeviceCoord(ThemeDrawing::SnapBorderWidth(strokeWidth, aDpiRatio));
 | 
						|
  strokeRadius += strokeWidth;
 | 
						|
  focusRect.Inflate(strokeWidthDevPx);
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(
 | 
						|
      aBackendData, focusRect, sTransparent, outerColor, strokeWidth,
 | 
						|
      strokeRadius, aDpiRatio);
 | 
						|
}
 | 
						|
 | 
						|
void Theme::PaintCheckboxControl(DrawTarget& aDrawTarget,
 | 
						|
                                 const LayoutDeviceRect& aRect,
 | 
						|
                                 const ElementState& aState,
 | 
						|
                                 const Colors& aColors, DPIRatio aDpiRatio) {
 | 
						|
  auto [backgroundColor, borderColor, checkColor] =
 | 
						|
      ComputeCheckboxColors(aState, StyleAppearance::Checkbox, aColors);
 | 
						|
  {
 | 
						|
    const CSSCoord radius = 2.0f;
 | 
						|
    CSSCoord borderWidth = kCheckboxRadioBorderWidth;
 | 
						|
    if (backgroundColor == borderColor) {
 | 
						|
      borderWidth = 0.0f;
 | 
						|
    }
 | 
						|
    ThemeDrawing::PaintRoundedRectWithRadius(aDrawTarget, aRect,
 | 
						|
                                             backgroundColor, borderColor,
 | 
						|
                                             borderWidth, radius, aDpiRatio);
 | 
						|
  }
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::INDETERMINATE)) {
 | 
						|
    PaintIndeterminateMark(aDrawTarget, aRect, checkColor);
 | 
						|
  } else if (aState.HasState(ElementState::CHECKED)) {
 | 
						|
    PaintCheckMark(aDrawTarget, aRect, checkColor);
 | 
						|
  }
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aDrawTarget, aRect, aColors, aDpiRatio, 5.0f, 1.0f);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
constexpr CSSCoord kCheckboxRadioContentBoxSize = 10.0f;
 | 
						|
constexpr CSSCoord kCheckboxRadioBorderBoxSize =
 | 
						|
    kCheckboxRadioContentBoxSize + kCheckboxRadioBorderWidth * 2.0f;
 | 
						|
 | 
						|
void Theme::PaintCheckMark(DrawTarget& aDrawTarget,
 | 
						|
                           const LayoutDeviceRect& aRect,
 | 
						|
                           const sRGBColor& aColor) {
 | 
						|
  // Points come from the coordinates on a 14X14 (kCheckboxRadioBorderBoxSize)
 | 
						|
  // unit box centered at 0,0
 | 
						|
  const float checkPolygonX[] = {-4.5f, -1.5f, -0.5f, 5.0f, 4.75f,
 | 
						|
                                 3.5f,  -0.5f, -1.5f, -3.5f};
 | 
						|
  const float checkPolygonY[] = {0.5f,  4.0f, 4.0f,  -2.5f, -4.0f,
 | 
						|
                                 -4.0f, 1.0f, 1.25f, -1.0f};
 | 
						|
  const int32_t checkNumPoints = sizeof(checkPolygonX) / sizeof(float);
 | 
						|
  const float scale =
 | 
						|
      ThemeDrawing::ScaleToFillRect(aRect, kCheckboxRadioBorderBoxSize);
 | 
						|
  auto center = aRect.Center().ToUnknownPoint();
 | 
						|
 | 
						|
  RefPtr<PathBuilder> builder = aDrawTarget.CreatePathBuilder();
 | 
						|
  Point p = center + Point(checkPolygonX[0] * scale, checkPolygonY[0] * scale);
 | 
						|
  builder->MoveTo(p);
 | 
						|
  for (int32_t i = 1; i < checkNumPoints; i++) {
 | 
						|
    p = center + Point(checkPolygonX[i] * scale, checkPolygonY[i] * scale);
 | 
						|
    builder->LineTo(p);
 | 
						|
  }
 | 
						|
  RefPtr<Path> path = builder->Finish();
 | 
						|
 | 
						|
  aDrawTarget.Fill(path, ColorPattern(ToDeviceColor(aColor)));
 | 
						|
}
 | 
						|
 | 
						|
void Theme::PaintIndeterminateMark(DrawTarget& aDrawTarget,
 | 
						|
                                   const LayoutDeviceRect& aRect,
 | 
						|
                                   const sRGBColor& aColor) {
 | 
						|
  const CSSCoord borderWidth = 2.0f;
 | 
						|
  const float scale =
 | 
						|
      ThemeDrawing::ScaleToFillRect(aRect, kCheckboxRadioBorderBoxSize);
 | 
						|
 | 
						|
  Rect rect = aRect.ToUnknownRect();
 | 
						|
  rect.y += (rect.height / 2) - (borderWidth * scale / 2);
 | 
						|
  rect.height = borderWidth * scale;
 | 
						|
  rect.x += (borderWidth * scale) + (borderWidth * scale / 8);
 | 
						|
  rect.width -= ((borderWidth * scale) + (borderWidth * scale / 8)) * 2;
 | 
						|
 | 
						|
  aDrawTarget.FillRect(rect, ColorPattern(ToDeviceColor(aColor)));
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintStrokedCircle(PaintBackendData& aPaintData,
 | 
						|
                               const LayoutDeviceRect& aRect,
 | 
						|
                               const sRGBColor& aBackgroundColor,
 | 
						|
                               const sRGBColor& aBorderColor,
 | 
						|
                               const CSSCoord aBorderWidth,
 | 
						|
                               DPIRatio aDpiRatio) {
 | 
						|
  auto radius = LayoutDeviceCoord(aRect.Size().width) / aDpiRatio;
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, aRect, aBackgroundColor,
 | 
						|
                                           aBorderColor, aBorderWidth, radius,
 | 
						|
                                           aDpiRatio);
 | 
						|
}
 | 
						|
 | 
						|
void Theme::PaintCircleShadow(WebRenderBackendData& aWrData,
 | 
						|
                              const LayoutDeviceRect& aBoxRect,
 | 
						|
                              const LayoutDeviceRect& aClipRect,
 | 
						|
                              float aShadowAlpha, const CSSPoint& aShadowOffset,
 | 
						|
                              CSSCoord aShadowBlurStdDev, DPIRatio aDpiRatio) {
 | 
						|
  const bool kBackfaceIsVisible = true;
 | 
						|
  const LayoutDeviceCoord stdDev = aShadowBlurStdDev * aDpiRatio;
 | 
						|
  const LayoutDevicePoint shadowOffset = aShadowOffset * aDpiRatio;
 | 
						|
  const IntSize inflation =
 | 
						|
      gfxAlphaBoxBlur::CalculateBlurRadius(gfxPoint(stdDev, stdDev));
 | 
						|
  LayoutDeviceRect shadowRect = aBoxRect;
 | 
						|
  shadowRect.MoveBy(shadowOffset);
 | 
						|
  shadowRect.Inflate(inflation.width, inflation.height);
 | 
						|
  const auto boxRect = wr::ToLayoutRect(aBoxRect);
 | 
						|
  aWrData.mBuilder.PushBoxShadow(
 | 
						|
      wr::ToLayoutRect(shadowRect), wr::ToLayoutRect(aClipRect),
 | 
						|
      kBackfaceIsVisible, boxRect,
 | 
						|
      wr::ToLayoutVector2D(aShadowOffset * aDpiRatio),
 | 
						|
      wr::ToColorF(DeviceColor(0.0f, 0.0f, 0.0f, aShadowAlpha)), stdDev,
 | 
						|
      /* aSpread = */ 0.0f,
 | 
						|
      wr::ToBorderRadius(gfx::RectCornerRadii(aBoxRect.Size().width)),
 | 
						|
      wr::BoxShadowClipMode::Outset);
 | 
						|
}
 | 
						|
 | 
						|
void Theme::PaintCircleShadow(DrawTarget& aDrawTarget,
 | 
						|
                              const LayoutDeviceRect& aBoxRect,
 | 
						|
                              const LayoutDeviceRect& aClipRect,
 | 
						|
                              float aShadowAlpha, const CSSPoint& aShadowOffset,
 | 
						|
                              CSSCoord aShadowBlurStdDev, DPIRatio aDpiRatio) {
 | 
						|
  Float stdDev = aShadowBlurStdDev * aDpiRatio;
 | 
						|
  Point offset = (aShadowOffset * aDpiRatio).ToUnknownPoint();
 | 
						|
 | 
						|
  RefPtr<FilterNode> blurFilter =
 | 
						|
      aDrawTarget.CreateFilter(FilterType::GAUSSIAN_BLUR);
 | 
						|
  if (!blurFilter) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  blurFilter->SetAttribute(ATT_GAUSSIAN_BLUR_STD_DEVIATION, stdDev);
 | 
						|
 | 
						|
  IntSize inflation =
 | 
						|
      gfxAlphaBoxBlur::CalculateBlurRadius(gfxPoint(stdDev, stdDev));
 | 
						|
  Rect inflatedRect = aBoxRect.ToUnknownRect();
 | 
						|
  inflatedRect.Inflate(inflation.width, inflation.height);
 | 
						|
  Rect sourceRectInFilterSpace =
 | 
						|
      inflatedRect - aBoxRect.TopLeft().ToUnknownPoint();
 | 
						|
  Point destinationPointOfSourceRect = inflatedRect.TopLeft() + offset;
 | 
						|
 | 
						|
  IntSize dtSize = RoundedToInt(aBoxRect.Size().ToUnknownSize());
 | 
						|
  RefPtr<DrawTarget> ellipseDT = aDrawTarget.CreateSimilarDrawTargetForFilter(
 | 
						|
      dtSize, SurfaceFormat::A8, blurFilter, blurFilter,
 | 
						|
      sourceRectInFilterSpace, destinationPointOfSourceRect);
 | 
						|
  if (!ellipseDT) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  AutoClipRect clipRect(aDrawTarget, aClipRect);
 | 
						|
 | 
						|
  RefPtr<Path> ellipse = MakePathForEllipse(
 | 
						|
      *ellipseDT, (aBoxRect - aBoxRect.TopLeft()).Center().ToUnknownPoint(),
 | 
						|
      aBoxRect.Size().ToUnknownSize());
 | 
						|
  ellipseDT->Fill(ellipse,
 | 
						|
                  ColorPattern(DeviceColor(0.0f, 0.0f, 0.0f, aShadowAlpha)));
 | 
						|
  RefPtr<SourceSurface> ellipseSurface = ellipseDT->Snapshot();
 | 
						|
 | 
						|
  blurFilter->SetInput(IN_GAUSSIAN_BLUR_IN, ellipseSurface);
 | 
						|
  aDrawTarget.DrawFilter(blurFilter, sourceRectInFilterSpace,
 | 
						|
                         destinationPointOfSourceRect);
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintRadioControl(PaintBackendData& aPaintData,
 | 
						|
                              const LayoutDeviceRect& aRect,
 | 
						|
                              const ElementState& aState, const Colors& aColors,
 | 
						|
                              DPIRatio aDpiRatio) {
 | 
						|
  auto [backgroundColor, borderColor, checkColor] =
 | 
						|
      ComputeCheckboxColors(aState, StyleAppearance::Radio, aColors);
 | 
						|
  {
 | 
						|
    CSSCoord borderWidth = kCheckboxRadioBorderWidth;
 | 
						|
    if (backgroundColor == borderColor) {
 | 
						|
      borderWidth = 0.0f;
 | 
						|
    }
 | 
						|
    PaintStrokedCircle(aPaintData, aRect, backgroundColor, borderColor,
 | 
						|
                       borderWidth, aDpiRatio);
 | 
						|
  }
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::CHECKED)) {
 | 
						|
    LayoutDeviceRect rect(aRect);
 | 
						|
    auto width = LayoutDeviceCoord(
 | 
						|
        ThemeDrawing::SnapBorderWidth(kCheckboxRadioBorderWidth, aDpiRatio));
 | 
						|
    rect.Deflate(width);
 | 
						|
 | 
						|
    PaintStrokedCircle(aPaintData, rect, backgroundColor, checkColor,
 | 
						|
                       kCheckboxRadioBorderWidth, aDpiRatio);
 | 
						|
  }
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aPaintData, aRect, aColors, aDpiRatio, 5.0f, 1.0f);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintTextField(PaintBackendData& aPaintData,
 | 
						|
                           const LayoutDeviceRect& aRect,
 | 
						|
                           const ElementState& aState, const Colors& aColors,
 | 
						|
                           DPIRatio aDpiRatio) {
 | 
						|
  auto [backgroundColor, borderColor] =
 | 
						|
      ComputeTextfieldColors(aState, aColors, OutlineCoversBorder::Yes);
 | 
						|
 | 
						|
  const CSSCoord radius = 2.0f;
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, aRect, backgroundColor,
 | 
						|
                                           borderColor, kTextFieldBorderWidth,
 | 
						|
                                           radius, aDpiRatio);
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aPaintData, aRect, aColors, aDpiRatio,
 | 
						|
                          radius + kTextFieldBorderWidth,
 | 
						|
                          -kTextFieldBorderWidth);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintListbox(PaintBackendData& aPaintData,
 | 
						|
                         const LayoutDeviceRect& aRect,
 | 
						|
                         const ElementState& aState, const Colors& aColors,
 | 
						|
                         DPIRatio aDpiRatio) {
 | 
						|
  const CSSCoord radius = 2.0f;
 | 
						|
  auto [backgroundColor, borderColor] =
 | 
						|
      ComputeTextfieldColors(aState, aColors, OutlineCoversBorder::Yes);
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, aRect, backgroundColor,
 | 
						|
                                           borderColor, kMenulistBorderWidth,
 | 
						|
                                           radius, aDpiRatio);
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aPaintData, aRect, aColors, aDpiRatio,
 | 
						|
                          radius + kMenulistBorderWidth, -kMenulistBorderWidth);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintMenulist(PaintBackendData& aDrawTarget,
 | 
						|
                          const LayoutDeviceRect& aRect,
 | 
						|
                          const ElementState& aState, const Colors& aColors,
 | 
						|
                          DPIRatio aDpiRatio) {
 | 
						|
  const CSSCoord radius = 4.0f;
 | 
						|
  auto [backgroundColor, borderColor] = ComputeButtonColors(aState, aColors);
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aDrawTarget, aRect, backgroundColor,
 | 
						|
                                           borderColor, kMenulistBorderWidth,
 | 
						|
                                           radius, aDpiRatio);
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aDrawTarget, aRect, aColors, aDpiRatio,
 | 
						|
                          radius + kMenulistBorderWidth, -kMenulistBorderWidth);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
enum class PhysicalArrowDirection {
 | 
						|
  Right,
 | 
						|
  Left,
 | 
						|
  Bottom,
 | 
						|
};
 | 
						|
 | 
						|
void Theme::PaintMenulistArrow(nsIFrame* aFrame, DrawTarget& aDrawTarget,
 | 
						|
                               const LayoutDeviceRect& aRect) {
 | 
						|
  // not const: these may be negated in-place below
 | 
						|
  float polygonX[] = {-4.0f, -0.5f, 0.5f, 4.0f,  4.0f,
 | 
						|
                      3.0f,  0.0f,  0.0f, -3.0f, -4.0f};
 | 
						|
  float polygonY[] = {-1,    3.0f, 3.0f, -1.0f, -2.0f,
 | 
						|
                      -2.0f, 1.5f, 1.5f, -2.0f, -2.0f};
 | 
						|
 | 
						|
  const float kPolygonSize = kMinimumDropdownArrowButtonWidth;
 | 
						|
  const auto direction = [&] {
 | 
						|
    const auto wm = aFrame->GetWritingMode();
 | 
						|
    switch (wm.GetBlockDir()) {
 | 
						|
      case WritingMode::BlockDir::LR:
 | 
						|
        return PhysicalArrowDirection::Right;
 | 
						|
      case WritingMode::BlockDir::RL:
 | 
						|
        return PhysicalArrowDirection::Left;
 | 
						|
      case WritingMode::BlockDir::TB:
 | 
						|
        return PhysicalArrowDirection::Bottom;
 | 
						|
    }
 | 
						|
    MOZ_ASSERT_UNREACHABLE("Unknown direction?");
 | 
						|
    return PhysicalArrowDirection::Bottom;
 | 
						|
  }();
 | 
						|
 | 
						|
  auto const [xs, ys] = [&] {
 | 
						|
    using Pair = std::pair<const float*, const float*>;
 | 
						|
    switch (direction) {
 | 
						|
      case PhysicalArrowDirection::Left:
 | 
						|
        // rotate 90°: [[0,1],[-1,0]]
 | 
						|
        for (float& f : polygonY) {
 | 
						|
          f = -f;
 | 
						|
        }
 | 
						|
        return Pair(polygonY, polygonX);
 | 
						|
 | 
						|
      case PhysicalArrowDirection::Right:
 | 
						|
        // rotate 270°: [[0,-1],[1,0]]
 | 
						|
        for (float& f : polygonX) {
 | 
						|
          f = -f;
 | 
						|
        }
 | 
						|
        return Pair(polygonY, polygonX);
 | 
						|
 | 
						|
      case PhysicalArrowDirection::Bottom:
 | 
						|
        // rotate 0°: [[1,0],[0,1]]
 | 
						|
        return Pair(polygonX, polygonY);
 | 
						|
    }
 | 
						|
    MOZ_ASSERT_UNREACHABLE("Unknown direction?");
 | 
						|
    return Pair(polygonX, polygonY);
 | 
						|
  }();
 | 
						|
 | 
						|
  const auto arrowColor = sRGBColor::FromABGR(
 | 
						|
      nsLayoutUtils::GetTextColor(aFrame, &nsStyleText::mWebkitTextFillColor));
 | 
						|
  ThemeDrawing::PaintArrow(aDrawTarget, aRect, xs, ys, kPolygonSize,
 | 
						|
                           ArrayLength(polygonX), arrowColor);
 | 
						|
}
 | 
						|
 | 
						|
void Theme::PaintSpinnerButton(nsIFrame* aFrame, DrawTarget& aDrawTarget,
 | 
						|
                               const LayoutDeviceRect& aRect,
 | 
						|
                               const ElementState& aState,
 | 
						|
                               StyleAppearance aAppearance,
 | 
						|
                               const Colors& aColors, DPIRatio aDpiRatio) {
 | 
						|
  auto [backgroundColor, borderColor] = ComputeButtonColors(aState, aColors);
 | 
						|
 | 
						|
  aDrawTarget.FillRect(aRect.ToUnknownRect(),
 | 
						|
                       ColorPattern(ToDeviceColor(backgroundColor)));
 | 
						|
 | 
						|
  const float kPolygonX[] = {-3.5f, -0.5f, 0.5f, 3.5f,  3.5f,
 | 
						|
                             2.5f,  0.0f,  0.0f, -2.5f, -3.5f};
 | 
						|
  float polygonY[] = {-1.5f, 1.5f, 1.5f, -1.5f, -2.5f,
 | 
						|
                      -2.5f, 0.0f, 0.0f, -2.5f, -2.5f};
 | 
						|
 | 
						|
  const float kPolygonSize = kMinimumSpinnerButtonHeight;
 | 
						|
  if (aAppearance == StyleAppearance::SpinnerUpbutton) {
 | 
						|
    for (auto& coord : polygonY) {
 | 
						|
      coord = -coord;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  ThemeDrawing::PaintArrow(aDrawTarget, aRect, kPolygonX, polygonY,
 | 
						|
                           kPolygonSize, ArrayLength(kPolygonX), borderColor);
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintRange(nsIFrame* aFrame, PaintBackendData& aPaintData,
 | 
						|
                       const LayoutDeviceRect& aRect,
 | 
						|
                       const ElementState& aState, const Colors& aColors,
 | 
						|
                       DPIRatio aDpiRatio, bool aHorizontal) {
 | 
						|
  nsRangeFrame* rangeFrame = do_QueryFrame(aFrame);
 | 
						|
  if (!rangeFrame) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  auto tickMarks = rangeFrame->TickMarks();
 | 
						|
  double progress = rangeFrame->GetValueAsFractionOfRange();
 | 
						|
  auto rect = aRect;
 | 
						|
  LayoutDeviceRect thumbRect(0, 0, kMinimumRangeThumbSize * aDpiRatio,
 | 
						|
                             kMinimumRangeThumbSize * aDpiRatio);
 | 
						|
  LayoutDeviceRect progressClipRect(aRect);
 | 
						|
  LayoutDeviceRect trackClipRect(aRect);
 | 
						|
  const LayoutDeviceCoord verticalSize = kRangeHeight * aDpiRatio;
 | 
						|
  const LayoutDeviceCoord tickMarkWidth(
 | 
						|
      ThemeDrawing::SnapBorderWidth(1.0f, aDpiRatio));
 | 
						|
  const LayoutDeviceCoord tickMarkHeight(
 | 
						|
      ThemeDrawing::SnapBorderWidth(5.0f, aDpiRatio));
 | 
						|
  LayoutDevicePoint tickMarkOrigin, tickMarkDirection;
 | 
						|
  LayoutDeviceSize tickMarkSize;
 | 
						|
  if (aHorizontal) {
 | 
						|
    rect.height = verticalSize;
 | 
						|
    rect.y = aRect.y + (aRect.height - rect.height) / 2;
 | 
						|
    tickMarkSize = LayoutDeviceSize(tickMarkWidth, tickMarkHeight);
 | 
						|
    thumbRect.y = aRect.y + (aRect.height - thumbRect.height) / 2;
 | 
						|
 | 
						|
    if (IsFrameRTL(aFrame)) {
 | 
						|
      tickMarkOrigin =
 | 
						|
          LayoutDevicePoint(aRect.XMost() - thumbRect.width / 2, aRect.YMost());
 | 
						|
      tickMarkDirection = LayoutDevicePoint(-1.0f, 0.0f);
 | 
						|
      thumbRect.x =
 | 
						|
          aRect.x + (aRect.width - thumbRect.width) * (1.0 - progress);
 | 
						|
      float midPoint = thumbRect.Center().X();
 | 
						|
      trackClipRect.SetBoxX(aRect.X(), midPoint);
 | 
						|
      progressClipRect.SetBoxX(midPoint, aRect.XMost());
 | 
						|
    } else {
 | 
						|
      tickMarkOrigin =
 | 
						|
          LayoutDevicePoint(aRect.x + thumbRect.width / 2, aRect.YMost());
 | 
						|
      tickMarkDirection = LayoutDevicePoint(1.0, 0.0f);
 | 
						|
      thumbRect.x = aRect.x + (aRect.width - thumbRect.width) * progress;
 | 
						|
      float midPoint = thumbRect.Center().X();
 | 
						|
      progressClipRect.SetBoxX(aRect.X(), midPoint);
 | 
						|
      trackClipRect.SetBoxX(midPoint, aRect.XMost());
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    rect.width = verticalSize;
 | 
						|
    rect.x = aRect.x + (aRect.width - rect.width) / 2;
 | 
						|
    tickMarkOrigin = LayoutDevicePoint(aRect.XMost() - tickMarkHeight / 4,
 | 
						|
                                       aRect.YMost() - thumbRect.width / 2);
 | 
						|
    tickMarkDirection = LayoutDevicePoint(0.0f, -1.0f);
 | 
						|
    tickMarkSize = LayoutDeviceSize(tickMarkHeight, tickMarkWidth);
 | 
						|
    thumbRect.x = aRect.x + (aRect.width - thumbRect.width) / 2;
 | 
						|
 | 
						|
    if (rangeFrame->IsUpwards()) {
 | 
						|
      thumbRect.y =
 | 
						|
          aRect.y + (aRect.height - thumbRect.height) * (1.0 - progress);
 | 
						|
      float midPoint = thumbRect.Center().Y();
 | 
						|
      trackClipRect.SetBoxY(aRect.Y(), midPoint);
 | 
						|
      progressClipRect.SetBoxY(midPoint, aRect.YMost());
 | 
						|
    } else {
 | 
						|
      thumbRect.y = aRect.y + (aRect.height - thumbRect.height) * progress;
 | 
						|
      float midPoint = thumbRect.Center().Y();
 | 
						|
      trackClipRect.SetBoxY(midPoint, aRect.YMost());
 | 
						|
      progressClipRect.SetBoxY(aRect.Y(), midPoint);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  const CSSCoord borderWidth = 1.0f;
 | 
						|
  const CSSCoord radius = 3.0f;
 | 
						|
 | 
						|
  auto [progressColor, progressBorderColor] =
 | 
						|
      ComputeRangeProgressColors(aState, aColors);
 | 
						|
  auto [trackColor, trackBorderColor] =
 | 
						|
      ComputeRangeTrackColors(aState, aColors);
 | 
						|
  auto tickMarkColor = trackBorderColor;
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, rect, progressClipRect,
 | 
						|
                                           progressColor, progressBorderColor,
 | 
						|
                                           borderWidth, radius, aDpiRatio);
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, rect, trackClipRect,
 | 
						|
                                           trackColor, trackBorderColor,
 | 
						|
                                           borderWidth, radius, aDpiRatio);
 | 
						|
 | 
						|
  if (!aState.HasState(ElementState::DISABLED)) {
 | 
						|
    // Ensure the shadow doesn't expand outside of our overflow rect declared in
 | 
						|
    // GetWidgetOverflow().
 | 
						|
    auto overflowRect = aRect;
 | 
						|
    overflowRect.Inflate(CSSCoord(6.0f) * aDpiRatio);
 | 
						|
    // Thumb shadow
 | 
						|
    PaintCircleShadow(aPaintData, thumbRect, overflowRect, 0.3f,
 | 
						|
                      CSSPoint(0.0f, 2.0f), 2.0f, aDpiRatio);
 | 
						|
  }
 | 
						|
 | 
						|
  tickMarkDirection.x *= aRect.width - thumbRect.width;
 | 
						|
  tickMarkDirection.y *= aRect.height - thumbRect.height;
 | 
						|
  tickMarkOrigin -=
 | 
						|
      LayoutDevicePoint(tickMarkSize.width, tickMarkSize.height) / 2;
 | 
						|
  auto tickMarkRect = LayoutDeviceRect(tickMarkOrigin, tickMarkSize);
 | 
						|
  for (auto tickMark : tickMarks) {
 | 
						|
    auto tickMarkOffset =
 | 
						|
        tickMarkDirection *
 | 
						|
        float(rangeFrame->GetDoubleAsFractionOfRange(tickMark));
 | 
						|
    ThemeDrawing::FillRect(aPaintData, tickMarkRect + tickMarkOffset,
 | 
						|
                           tickMarkColor);
 | 
						|
  }
 | 
						|
 | 
						|
  // Draw the thumb on top.
 | 
						|
  const CSSCoord thumbBorderWidth = 2.0f;
 | 
						|
  auto [thumbColor, thumbBorderColor] =
 | 
						|
      ComputeRangeThumbColors(aState, aColors);
 | 
						|
 | 
						|
  PaintStrokedCircle(aPaintData, thumbRect, thumbColor, thumbBorderColor,
 | 
						|
                     thumbBorderWidth, aDpiRatio);
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aPaintData, aRect, aColors, aDpiRatio, radius, 1.0f);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintProgress(nsIFrame* aFrame, PaintBackendData& aPaintData,
 | 
						|
                          const LayoutDeviceRect& aRect,
 | 
						|
                          const ElementState& aState, const Colors& aColors,
 | 
						|
                          DPIRatio aDpiRatio, bool aIsMeter) {
 | 
						|
  const CSSCoord borderWidth = 1.0f;
 | 
						|
  const CSSCoord radius = aIsMeter ? 6.0f : 3.0f;
 | 
						|
 | 
						|
  LayoutDeviceRect rect(aRect);
 | 
						|
  const LayoutDeviceCoord thickness =
 | 
						|
      (aIsMeter ? kMeterHeight : kProgressbarHeight) * aDpiRatio;
 | 
						|
 | 
						|
  const bool isHorizontal = !nsNativeTheme::IsVerticalProgress(aFrame);
 | 
						|
  if (isHorizontal) {
 | 
						|
    // Center it vertically.
 | 
						|
    rect.y += (rect.height - thickness) / 2;
 | 
						|
    rect.height = thickness;
 | 
						|
  } else {
 | 
						|
    // Center it horizontally.
 | 
						|
    rect.x += (rect.width - thickness) / 2;
 | 
						|
    rect.width = thickness;
 | 
						|
  }
 | 
						|
 | 
						|
  {
 | 
						|
    // Paint the track, unclipped.
 | 
						|
    auto [backgroundColor, borderColor] = ComputeProgressTrackColors(aColors);
 | 
						|
    ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, rect, rect,
 | 
						|
                                             backgroundColor, borderColor,
 | 
						|
                                             borderWidth, radius, aDpiRatio);
 | 
						|
  }
 | 
						|
 | 
						|
  // Now paint the chunk, clipped as needed.
 | 
						|
  LayoutDeviceRect clipRect = rect;
 | 
						|
  if (aState.HasState(ElementState::INDETERMINATE)) {
 | 
						|
    // For indeterminate progress, we paint an animated chunk of 1/3 of the
 | 
						|
    // progress size.
 | 
						|
    //
 | 
						|
    // Animation speed and math borrowed from GTK.
 | 
						|
    const LayoutDeviceCoord size = isHorizontal ? rect.width : rect.height;
 | 
						|
    const LayoutDeviceCoord barSize = size * 0.3333f;
 | 
						|
    const LayoutDeviceCoord travel = 2.0f * (size - barSize);
 | 
						|
 | 
						|
    // Period equals to travel / pixelsPerMillisecond where pixelsPerMillisecond
 | 
						|
    // equals progressSize / 1000.0.  This is equivalent to 1600.
 | 
						|
    const unsigned kPeriod = 1600;
 | 
						|
 | 
						|
    const int t = PR_IntervalToMilliseconds(PR_IntervalNow()) % kPeriod;
 | 
						|
    const LayoutDeviceCoord dx = travel * float(t) / float(kPeriod);
 | 
						|
    if (isHorizontal) {
 | 
						|
      rect.width = barSize;
 | 
						|
      rect.x += (dx < travel * .5f) ? dx : travel - dx;
 | 
						|
    } else {
 | 
						|
      rect.height = barSize;
 | 
						|
      rect.y += (dx < travel * .5f) ? dx : travel - dx;
 | 
						|
    }
 | 
						|
    clipRect = rect;
 | 
						|
    // Queue the next frame if needed.
 | 
						|
    if (!QueueAnimatedContentForRefresh(aFrame->GetContent(), 60)) {
 | 
						|
      NS_WARNING("Couldn't refresh indeterminate <progress>");
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    // This is the progress chunk, clip it to the right amount.
 | 
						|
    double position = [&] {
 | 
						|
      if (aIsMeter) {
 | 
						|
        auto* meter = dom::HTMLMeterElement::FromNode(aFrame->GetContent());
 | 
						|
        if (!meter) {
 | 
						|
          return 0.0;
 | 
						|
        }
 | 
						|
        return meter->Position();
 | 
						|
      }
 | 
						|
      auto* progress = dom::HTMLProgressElement::FromNode(aFrame->GetContent());
 | 
						|
      if (!progress) {
 | 
						|
        return 0.0;
 | 
						|
      }
 | 
						|
      return progress->Position();
 | 
						|
    }();
 | 
						|
    if (isHorizontal) {
 | 
						|
      double clipWidth = rect.width * position;
 | 
						|
      clipRect.width = clipWidth;
 | 
						|
      if (IsFrameRTL(aFrame)) {
 | 
						|
        clipRect.x += rect.width - clipWidth;
 | 
						|
      }
 | 
						|
    } else {
 | 
						|
      double clipHeight = rect.height * position;
 | 
						|
      clipRect.height = clipHeight;
 | 
						|
      clipRect.y += rect.height - clipHeight;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  auto [backgroundColor, borderColor] =
 | 
						|
      aIsMeter ? ComputeMeterchunkColors(aState, aColors)
 | 
						|
               : ComputeProgressColors(aColors);
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, rect, clipRect,
 | 
						|
                                           backgroundColor, borderColor,
 | 
						|
                                           borderWidth, radius, aDpiRatio);
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintButton(nsIFrame* aFrame, PaintBackendData& aPaintData,
 | 
						|
                        const LayoutDeviceRect& aRect,
 | 
						|
                        StyleAppearance aAppearance, const ElementState& aState,
 | 
						|
                        const Colors& aColors, DPIRatio aDpiRatio) {
 | 
						|
  const CSSCoord radius = 4.0f;
 | 
						|
  auto [backgroundColor, borderColor] =
 | 
						|
      ComputeButtonColors(aState, aColors, aFrame);
 | 
						|
 | 
						|
  if (aAppearance == StyleAppearance::Toolbarbutton &&
 | 
						|
      (!aState.HasState(ElementState::HOVER) ||
 | 
						|
       aState.HasState(ElementState::DISABLED))) {
 | 
						|
    borderColor = sTransparent;
 | 
						|
  }
 | 
						|
 | 
						|
  ThemeDrawing::PaintRoundedRectWithRadius(aPaintData, aRect, backgroundColor,
 | 
						|
                                           borderColor, kButtonBorderWidth,
 | 
						|
                                           radius, aDpiRatio);
 | 
						|
 | 
						|
  if (aState.HasState(ElementState::FOCUSRING)) {
 | 
						|
    PaintRoundedFocusRect(aPaintData, aRect, aColors, aDpiRatio,
 | 
						|
                          radius + kButtonBorderWidth, -kButtonBorderWidth);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
NS_IMETHODIMP
 | 
						|
Theme::DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
 | 
						|
                            StyleAppearance aAppearance, const nsRect& aRect,
 | 
						|
                            const nsRect& /* aDirtyRect */,
 | 
						|
                            DrawOverflow aDrawOverflow) {
 | 
						|
  if (!DoDrawWidgetBackground(*aContext->GetDrawTarget(), aFrame, aAppearance,
 | 
						|
                              aRect, aDrawOverflow)) {
 | 
						|
    return NS_ERROR_NOT_IMPLEMENTED;
 | 
						|
  }
 | 
						|
  return NS_OK;
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::CreateWebRenderCommandsForWidget(
 | 
						|
    mozilla::wr::DisplayListBuilder& aBuilder,
 | 
						|
    mozilla::wr::IpcResourceUpdateQueue& aResources,
 | 
						|
    const mozilla::layers::StackingContextHelper& aSc,
 | 
						|
    mozilla::layers::RenderRootStateManager* aManager, nsIFrame* aFrame,
 | 
						|
    StyleAppearance aAppearance, const nsRect& aRect) {
 | 
						|
  WebRenderBackendData data{aBuilder, aResources, aSc, aManager};
 | 
						|
  return DoDrawWidgetBackground(data, aFrame, aAppearance, aRect,
 | 
						|
                                DrawOverflow::Yes);
 | 
						|
}
 | 
						|
 | 
						|
static LayoutDeviceRect ToSnappedRect(const nsRect& aRect,
 | 
						|
                                      nscoord aTwipsPerPixel, DrawTarget& aDt) {
 | 
						|
  return LayoutDeviceRect::FromUnknownRect(
 | 
						|
      NSRectToSnappedRect(aRect, aTwipsPerPixel, aDt));
 | 
						|
}
 | 
						|
 | 
						|
static LayoutDeviceRect ToSnappedRect(const nsRect& aRect,
 | 
						|
                                      nscoord aTwipsPerPixel,
 | 
						|
                                      WebRenderBackendData& aDt) {
 | 
						|
  // TODO: Do we need to do any more snapping here?
 | 
						|
  return LayoutDeviceRect::FromAppUnits(aRect, aTwipsPerPixel);
 | 
						|
}
 | 
						|
 | 
						|
static ScrollbarDrawing::ScrollbarKind ComputeScrollbarKind(
 | 
						|
    nsIFrame* aFrame, bool aIsHorizontal) {
 | 
						|
  if (aIsHorizontal) {
 | 
						|
    return ScrollbarDrawing::ScrollbarKind::Horizontal;
 | 
						|
  }
 | 
						|
  nsIFrame* scrollbar = ScrollbarDrawing::GetParentScrollbarFrame(aFrame);
 | 
						|
  if (NS_WARN_IF(!scrollbar)) {
 | 
						|
    return ScrollbarDrawing::ScrollbarKind::VerticalRight;
 | 
						|
  }
 | 
						|
  MOZ_ASSERT(scrollbar->IsScrollbarFrame());
 | 
						|
  nsIScrollbarMediator* sm =
 | 
						|
      static_cast<nsScrollbarFrame*>(scrollbar)->GetScrollbarMediator();
 | 
						|
  if (NS_WARN_IF(!sm)) {
 | 
						|
    return ScrollbarDrawing::ScrollbarKind::VerticalRight;
 | 
						|
  }
 | 
						|
  return sm->IsScrollbarOnRight()
 | 
						|
             ? ScrollbarDrawing::ScrollbarKind::VerticalRight
 | 
						|
             : ScrollbarDrawing::ScrollbarKind::VerticalLeft;
 | 
						|
}
 | 
						|
 | 
						|
static ScrollbarDrawing::ScrollbarKind ComputeScrollbarKindForScrollCorner(
 | 
						|
    nsIFrame* aFrame) {
 | 
						|
  ScrollContainerFrame* sf = do_QueryFrame(aFrame->GetParent());
 | 
						|
  if (!sf) {
 | 
						|
    return ScrollbarDrawing::ScrollbarKind::VerticalRight;
 | 
						|
  }
 | 
						|
  return sf->IsScrollbarOnRight()
 | 
						|
             ? ScrollbarDrawing::ScrollbarKind::VerticalRight
 | 
						|
             : ScrollbarDrawing::ScrollbarKind::VerticalLeft;
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
bool Theme::DoDrawWidgetBackground(PaintBackendData& aPaintData,
 | 
						|
                                   nsIFrame* aFrame,
 | 
						|
                                   StyleAppearance aAppearance,
 | 
						|
                                   const nsRect& aRect,
 | 
						|
                                   DrawOverflow aDrawOverflow) {
 | 
						|
  static_assert(std::is_same_v<PaintBackendData, DrawTarget> ||
 | 
						|
                std::is_same_v<PaintBackendData, WebRenderBackendData>);
 | 
						|
 | 
						|
  const nsPresContext* pc = aFrame->PresContext();
 | 
						|
  const nscoord twipsPerPixel = pc->AppUnitsPerDevPixel();
 | 
						|
  const auto devPxRect = ToSnappedRect(aRect, twipsPerPixel, aPaintData);
 | 
						|
 | 
						|
  const DocumentState docState = pc->Document()->State();
 | 
						|
  ElementState elementState = GetContentState(aFrame, aAppearance);
 | 
						|
  // Paint the outline iff we're asked to draw overflow and we have
 | 
						|
  // outline-style: auto.
 | 
						|
  if (aDrawOverflow == DrawOverflow::Yes &&
 | 
						|
      aFrame->StyleOutline()->mOutlineStyle.IsAuto()) {
 | 
						|
    elementState |= ElementState::FOCUSRING;
 | 
						|
  } else {
 | 
						|
    elementState &= ~ElementState::FOCUSRING;
 | 
						|
  }
 | 
						|
 | 
						|
  // Hack to avoid skia fuzziness: Add a dummy clip if the widget doesn't
 | 
						|
  // overflow devPxRect.
 | 
						|
  Maybe<AutoClipRect> maybeClipRect;
 | 
						|
  if constexpr (std::is_same_v<PaintBackendData, DrawTarget>) {
 | 
						|
    if (aAppearance != StyleAppearance::FocusOutline &&
 | 
						|
        aAppearance != StyleAppearance::Range &&
 | 
						|
        !elementState.HasState(ElementState::FOCUSRING)) {
 | 
						|
      maybeClipRect.emplace(aPaintData, devPxRect);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  const Colors colors(aFrame, aAppearance);
 | 
						|
  DPIRatio dpiRatio = GetDPIRatio(aFrame, aAppearance);
 | 
						|
 | 
						|
  switch (aAppearance) {
 | 
						|
    case StyleAppearance::Radio: {
 | 
						|
      auto rect = CheckBoxRadioRect(devPxRect);
 | 
						|
      PaintRadioControl(aPaintData, rect, elementState, colors, dpiRatio);
 | 
						|
      break;
 | 
						|
    }
 | 
						|
    case StyleAppearance::Checkbox: {
 | 
						|
      if constexpr (std::is_same_v<PaintBackendData, WebRenderBackendData>) {
 | 
						|
        // TODO: Need to figure out how to best draw this using WR.
 | 
						|
        return false;
 | 
						|
      } else {
 | 
						|
        auto rect = CheckBoxRadioRect(devPxRect);
 | 
						|
        PaintCheckboxControl(aPaintData, rect, elementState, colors, dpiRatio);
 | 
						|
      }
 | 
						|
      break;
 | 
						|
    }
 | 
						|
    case StyleAppearance::Textarea:
 | 
						|
    case StyleAppearance::Textfield:
 | 
						|
    case StyleAppearance::NumberInput:
 | 
						|
    case StyleAppearance::PasswordInput:
 | 
						|
      PaintTextField(aPaintData, devPxRect, elementState, colors, dpiRatio);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Listbox:
 | 
						|
      PaintListbox(aPaintData, devPxRect, elementState, colors, dpiRatio);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::MenulistButton:
 | 
						|
    case StyleAppearance::Menulist:
 | 
						|
      PaintMenulist(aPaintData, devPxRect, elementState, colors, dpiRatio);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::MozMenulistArrowButton:
 | 
						|
      if constexpr (std::is_same_v<PaintBackendData, WebRenderBackendData>) {
 | 
						|
        // TODO: Need to figure out how to best draw this using WR.
 | 
						|
        return false;
 | 
						|
      } else {
 | 
						|
        PaintMenulistArrow(aFrame, aPaintData, devPxRect);
 | 
						|
      }
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Tooltip: {
 | 
						|
      const CSSCoord strokeWidth(1.0f);
 | 
						|
      const CSSCoord strokeRadius(2.0f);
 | 
						|
      ThemeDrawing::PaintRoundedRectWithRadius(
 | 
						|
          aPaintData, devPxRect,
 | 
						|
          colors.System(StyleSystemColor::Infobackground),
 | 
						|
          colors.System(StyleSystemColor::Infotext), strokeWidth, strokeRadius,
 | 
						|
          dpiRatio);
 | 
						|
      break;
 | 
						|
    }
 | 
						|
    case StyleAppearance::SpinnerUpbutton:
 | 
						|
    case StyleAppearance::SpinnerDownbutton:
 | 
						|
      if constexpr (std::is_same_v<PaintBackendData, WebRenderBackendData>) {
 | 
						|
        // TODO: Need to figure out how to best draw this using WR.
 | 
						|
        return false;
 | 
						|
      } else {
 | 
						|
        PaintSpinnerButton(aFrame, aPaintData, devPxRect, elementState,
 | 
						|
                           aAppearance, colors, dpiRatio);
 | 
						|
      }
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Range:
 | 
						|
      PaintRange(aFrame, aPaintData, devPxRect, elementState, colors, dpiRatio,
 | 
						|
                 IsRangeHorizontal(aFrame));
 | 
						|
      break;
 | 
						|
    case StyleAppearance::RangeThumb:
 | 
						|
      // Painted as part of StyleAppearance::Range.
 | 
						|
      break;
 | 
						|
    case StyleAppearance::ProgressBar:
 | 
						|
      PaintProgress(aFrame, aPaintData, devPxRect, elementState, colors,
 | 
						|
                    dpiRatio,
 | 
						|
                    /* aIsMeter = */ false);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Progresschunk:
 | 
						|
      /* Painted as part of the progress bar */
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Meter:
 | 
						|
      PaintProgress(aFrame, aPaintData, devPxRect, elementState, colors,
 | 
						|
                    dpiRatio,
 | 
						|
                    /* aIsMeter = */ true);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Meterchunk:
 | 
						|
      /* Painted as part of the meter bar */
 | 
						|
      break;
 | 
						|
    case StyleAppearance::ScrollbarthumbHorizontal:
 | 
						|
    case StyleAppearance::ScrollbarthumbVertical: {
 | 
						|
      bool isHorizontal =
 | 
						|
          aAppearance == StyleAppearance::ScrollbarthumbHorizontal;
 | 
						|
      auto kind = ComputeScrollbarKind(aFrame, isHorizontal);
 | 
						|
      return GetScrollbarDrawing().PaintScrollbarThumb(
 | 
						|
          aPaintData, devPxRect, kind, aFrame,
 | 
						|
          *nsLayoutUtils::StyleForScrollbar(aFrame), elementState, docState,
 | 
						|
          colors, dpiRatio);
 | 
						|
    }
 | 
						|
    case StyleAppearance::ScrollbartrackHorizontal:
 | 
						|
    case StyleAppearance::ScrollbartrackVertical: {
 | 
						|
      bool isHorizontal =
 | 
						|
          aAppearance == StyleAppearance::ScrollbartrackHorizontal;
 | 
						|
      auto kind = ComputeScrollbarKind(aFrame, isHorizontal);
 | 
						|
      return GetScrollbarDrawing().PaintScrollbarTrack(
 | 
						|
          aPaintData, devPxRect, kind, aFrame,
 | 
						|
          *nsLayoutUtils::StyleForScrollbar(aFrame), docState, colors,
 | 
						|
          dpiRatio);
 | 
						|
    }
 | 
						|
    case StyleAppearance::ScrollbarHorizontal:
 | 
						|
    case StyleAppearance::ScrollbarVertical: {
 | 
						|
      bool isHorizontal = aAppearance == StyleAppearance::ScrollbarHorizontal;
 | 
						|
      auto kind = ComputeScrollbarKind(aFrame, isHorizontal);
 | 
						|
      return GetScrollbarDrawing().PaintScrollbar(
 | 
						|
          aPaintData, devPxRect, kind, aFrame,
 | 
						|
          *nsLayoutUtils::StyleForScrollbar(aFrame), elementState, docState,
 | 
						|
          colors, dpiRatio);
 | 
						|
    }
 | 
						|
    case StyleAppearance::Scrollcorner: {
 | 
						|
      auto kind = ComputeScrollbarKindForScrollCorner(aFrame);
 | 
						|
      return GetScrollbarDrawing().PaintScrollCorner(
 | 
						|
          aPaintData, devPxRect, kind, aFrame,
 | 
						|
          *nsLayoutUtils::StyleForScrollbar(aFrame), docState, colors,
 | 
						|
          dpiRatio);
 | 
						|
    }
 | 
						|
    case StyleAppearance::ScrollbarbuttonUp:
 | 
						|
    case StyleAppearance::ScrollbarbuttonDown:
 | 
						|
    case StyleAppearance::ScrollbarbuttonLeft:
 | 
						|
    case StyleAppearance::ScrollbarbuttonRight: {
 | 
						|
      // For scrollbar-width:thin, we don't display the buttons.
 | 
						|
      if (!ScrollbarDrawing::IsScrollbarWidthThin(aFrame)) {
 | 
						|
        if constexpr (std::is_same_v<PaintBackendData, WebRenderBackendData>) {
 | 
						|
          // TODO: Need to figure out how to best draw this using WR.
 | 
						|
          return false;
 | 
						|
        } else {
 | 
						|
          bool isHorizontal =
 | 
						|
              aAppearance == StyleAppearance::ScrollbarbuttonLeft ||
 | 
						|
              aAppearance == StyleAppearance::ScrollbarbuttonRight;
 | 
						|
          auto kind = ComputeScrollbarKind(aFrame, isHorizontal);
 | 
						|
          GetScrollbarDrawing().PaintScrollbarButton(
 | 
						|
              aPaintData, aAppearance, devPxRect, kind, aFrame,
 | 
						|
              *nsLayoutUtils::StyleForScrollbar(aFrame), elementState, docState,
 | 
						|
              colors, dpiRatio);
 | 
						|
        }
 | 
						|
      }
 | 
						|
      break;
 | 
						|
    }
 | 
						|
    case StyleAppearance::Button:
 | 
						|
    case StyleAppearance::Toolbarbutton:
 | 
						|
      PaintButton(aFrame, aPaintData, devPxRect, aAppearance, elementState,
 | 
						|
                  colors, dpiRatio);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::FocusOutline:
 | 
						|
      PaintAutoStyleOutline(aFrame, aPaintData, devPxRect, colors, dpiRatio);
 | 
						|
      break;
 | 
						|
    default:
 | 
						|
      // Various appearance values are used for XUL elements.  Normally these
 | 
						|
      // will not be available in content documents (and thus in the content
 | 
						|
      // processes where the native basic theme can be used), but tests are
 | 
						|
      // run with the remote XUL pref enabled and so we can get in here.  So
 | 
						|
      // we just return an error rather than assert.
 | 
						|
      return false;
 | 
						|
  }
 | 
						|
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
template <typename PaintBackendData>
 | 
						|
void Theme::PaintAutoStyleOutline(nsIFrame* aFrame,
 | 
						|
                                  PaintBackendData& aPaintData,
 | 
						|
                                  const LayoutDeviceRect& aRect,
 | 
						|
                                  const Colors& aColors, DPIRatio aDpiRatio) {
 | 
						|
  const auto& accentColor = aColors.Accent();
 | 
						|
  LayoutDeviceCoord strokeWidth(ThemeDrawing::SnapBorderWidth(2.0f, aDpiRatio));
 | 
						|
 | 
						|
  LayoutDeviceRect rect(aRect);
 | 
						|
  rect.Inflate(strokeWidth);
 | 
						|
 | 
						|
  const nscoord a2d = aFrame->PresContext()->AppUnitsPerDevPixel();
 | 
						|
  nscoord cssOffset = aFrame->StyleOutline()->mOutlineOffset.ToAppUnits();
 | 
						|
  nscoord cssRadii[8] = {0};
 | 
						|
  if (!aFrame->GetBorderRadii(cssRadii)) {
 | 
						|
    const auto twoPixels = 2 * AppUnitsPerCSSPixel();
 | 
						|
    const nscoord radius =
 | 
						|
        cssOffset >= 0 ? twoPixels : std::max(twoPixels + cssOffset, 0);
 | 
						|
    cssOffset = -twoPixels;
 | 
						|
    for (auto& r : cssRadii) {
 | 
						|
      r = radius;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  auto offset = LayoutDevicePixel::FromAppUnits(cssOffset, a2d);
 | 
						|
  RectCornerRadii innerRadii;
 | 
						|
  nsCSSRendering::ComputePixelRadii(cssRadii, a2d, &innerRadii);
 | 
						|
 | 
						|
  // NOTE(emilio): This doesn't use PaintRoundedRectWithRadius because we need
 | 
						|
  // to support arbitrary radii.
 | 
						|
  auto DrawRect = [&](const sRGBColor& aColor) {
 | 
						|
    RectCornerRadii outerRadii;
 | 
						|
    if constexpr (std::is_same_v<PaintBackendData, WebRenderBackendData>) {
 | 
						|
      const Float widths[4] = {strokeWidth + offset, strokeWidth + offset,
 | 
						|
                               strokeWidth + offset, strokeWidth + offset};
 | 
						|
      nsCSSBorderRenderer::ComputeOuterRadii(innerRadii, widths, &outerRadii);
 | 
						|
      const auto dest = wr::ToLayoutRect(rect);
 | 
						|
      const auto side =
 | 
						|
          wr::ToBorderSide(ToDeviceColor(aColor), StyleBorderStyle::Solid);
 | 
						|
      const wr::BorderSide sides[4] = {side, side, side, side};
 | 
						|
      const bool kBackfaceIsVisible = true;
 | 
						|
      const auto wrWidths = wr::ToBorderWidths(strokeWidth, strokeWidth,
 | 
						|
                                               strokeWidth, strokeWidth);
 | 
						|
      const auto wrRadius = wr::ToBorderRadius(outerRadii);
 | 
						|
      aPaintData.mBuilder.PushBorder(dest, dest, kBackfaceIsVisible, wrWidths,
 | 
						|
                                     {sides, 4}, wrRadius);
 | 
						|
    } else {
 | 
						|
      const LayoutDeviceCoord halfWidth = strokeWidth * 0.5f;
 | 
						|
      const Float widths[4] = {halfWidth + offset, halfWidth + offset,
 | 
						|
                               halfWidth + offset, halfWidth + offset};
 | 
						|
      nsCSSBorderRenderer::ComputeOuterRadii(innerRadii, widths, &outerRadii);
 | 
						|
      LayoutDeviceRect dest(rect);
 | 
						|
      dest.Deflate(halfWidth);
 | 
						|
      RefPtr<Path> path =
 | 
						|
          MakePathForRoundedRect(aPaintData, dest.ToUnknownRect(), outerRadii);
 | 
						|
      aPaintData.Stroke(path, ColorPattern(ToDeviceColor(aColor)),
 | 
						|
                        StrokeOptions(strokeWidth));
 | 
						|
    }
 | 
						|
  };
 | 
						|
 | 
						|
  auto primaryColor = aColors.HighContrast()
 | 
						|
                          ? aColors.System(StyleSystemColor::Selecteditem)
 | 
						|
                          : accentColor.Get();
 | 
						|
  DrawRect(primaryColor);
 | 
						|
 | 
						|
  offset += strokeWidth;
 | 
						|
 | 
						|
  strokeWidth =
 | 
						|
      LayoutDeviceCoord(ThemeDrawing::SnapBorderWidth(1.0f, aDpiRatio));
 | 
						|
  rect.Inflate(strokeWidth);
 | 
						|
 | 
						|
  auto secondaryColor = aColors.HighContrast()
 | 
						|
                            ? aColors.System(StyleSystemColor::Canvastext)
 | 
						|
                            : accentColor.GetForeground();
 | 
						|
  DrawRect(secondaryColor);
 | 
						|
}
 | 
						|
 | 
						|
LayoutDeviceIntMargin Theme::GetWidgetBorder(nsDeviceContext* aContext,
 | 
						|
                                             nsIFrame* aFrame,
 | 
						|
                                             StyleAppearance aAppearance) {
 | 
						|
  switch (aAppearance) {
 | 
						|
    case StyleAppearance::Textfield:
 | 
						|
    case StyleAppearance::Textarea:
 | 
						|
    case StyleAppearance::NumberInput:
 | 
						|
    case StyleAppearance::PasswordInput:
 | 
						|
    case StyleAppearance::Listbox:
 | 
						|
    case StyleAppearance::Menulist:
 | 
						|
    case StyleAppearance::MenulistButton:
 | 
						|
    case StyleAppearance::Button:
 | 
						|
    case StyleAppearance::Toolbarbutton:
 | 
						|
      // Return the border size from the UA sheet, even though what we paint
 | 
						|
      // doesn't actually match that. We know this is the UA sheet border
 | 
						|
      // because we disable native theming when different border widths are
 | 
						|
      // specified by authors, see Theme::IsWidgetStyled.
 | 
						|
      //
 | 
						|
      // The Rounded() bit is technically redundant, but needed to appease the
 | 
						|
      // type system, we should always end up with full device pixels due to
 | 
						|
      // round_border_to_device_pixels at style time.
 | 
						|
      return LayoutDeviceIntMargin::FromAppUnits(
 | 
						|
                 aFrame->StyleBorder()->GetComputedBorder(),
 | 
						|
                 aFrame->PresContext()->AppUnitsPerDevPixel())
 | 
						|
          .Rounded();
 | 
						|
    case StyleAppearance::Checkbox:
 | 
						|
    case StyleAppearance::Radio: {
 | 
						|
      DPIRatio dpiRatio = GetDPIRatio(aFrame, aAppearance);
 | 
						|
      LayoutDeviceIntCoord w =
 | 
						|
          ThemeDrawing::SnapBorderWidth(kCheckboxRadioBorderWidth, dpiRatio);
 | 
						|
      return LayoutDeviceIntMargin(w, w, w, w);
 | 
						|
    }
 | 
						|
    default:
 | 
						|
      return LayoutDeviceIntMargin();
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::GetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame,
 | 
						|
                             StyleAppearance aAppearance,
 | 
						|
                             LayoutDeviceIntMargin* aResult) {
 | 
						|
  switch (aAppearance) {
 | 
						|
    // Radios and checkboxes return a fixed size in GetMinimumWidgetSize
 | 
						|
    // and have a meaningful baseline, so they can't have
 | 
						|
    // author-specified padding.
 | 
						|
    case StyleAppearance::Radio:
 | 
						|
    case StyleAppearance::Checkbox:
 | 
						|
      aResult->SizeTo(0, 0, 0, 0);
 | 
						|
      return true;
 | 
						|
    default:
 | 
						|
      break;
 | 
						|
  }
 | 
						|
  return false;
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFrame,
 | 
						|
                              StyleAppearance aAppearance,
 | 
						|
                              nsRect* aOverflowRect) {
 | 
						|
  CSSIntMargin overflow;
 | 
						|
  switch (aAppearance) {
 | 
						|
    case StyleAppearance::FocusOutline: {
 | 
						|
      const auto width = 3;
 | 
						|
      overflow.SizeTo(width, width, width, width);
 | 
						|
      break;
 | 
						|
    }
 | 
						|
    case StyleAppearance::Radio:
 | 
						|
    case StyleAppearance::Checkbox:
 | 
						|
    case StyleAppearance::Range:
 | 
						|
      // 2px for each outline segment, plus 1px separation, plus we paint with a
 | 
						|
      // 1px extra offset, so 6px.
 | 
						|
      overflow.SizeTo(6, 6, 6, 6);
 | 
						|
      break;
 | 
						|
    case StyleAppearance::Textarea:
 | 
						|
    case StyleAppearance::Textfield:
 | 
						|
    case StyleAppearance::NumberInput:
 | 
						|
    case StyleAppearance::PasswordInput:
 | 
						|
    case StyleAppearance::Listbox:
 | 
						|
    case StyleAppearance::MenulistButton:
 | 
						|
    case StyleAppearance::Menulist:
 | 
						|
    case StyleAppearance::Button:
 | 
						|
    case StyleAppearance::Toolbarbutton:
 | 
						|
      // 2px for each segment, plus 1px separation, but we paint 1px inside
 | 
						|
      // the border area so 4px overflow.
 | 
						|
      overflow.SizeTo(4, 4, 4, 4);
 | 
						|
      break;
 | 
						|
    default:
 | 
						|
      return false;
 | 
						|
  }
 | 
						|
 | 
						|
  // TODO: This should convert from device pixels to app units, not from CSS
 | 
						|
  // pixels. And it should take the dpi ratio into account.
 | 
						|
  // Using CSS pixels can cause the overflow to be too small if the page is
 | 
						|
  // zoomed out.
 | 
						|
  aOverflowRect->Inflate(CSSPixel::ToAppUnits(overflow));
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
LayoutDeviceIntCoord Theme::GetScrollbarSize(const nsPresContext* aPresContext,
 | 
						|
                                             StyleScrollbarWidth aWidth,
 | 
						|
                                             Overlay aOverlay) {
 | 
						|
  return GetScrollbarDrawing().GetScrollbarSize(aPresContext, aWidth, aOverlay);
 | 
						|
}
 | 
						|
 | 
						|
nscoord Theme::GetCheckboxRadioPrefSize() {
 | 
						|
  return CSSPixel::ToAppUnits(kCheckboxRadioContentBoxSize);
 | 
						|
}
 | 
						|
 | 
						|
/* static */
 | 
						|
UniquePtr<ScrollbarDrawing> Theme::ScrollbarStyle() {
 | 
						|
  switch (StaticPrefs::widget_non_native_theme_scrollbar_style()) {
 | 
						|
    case 1:
 | 
						|
      return MakeUnique<ScrollbarDrawingCocoa>();
 | 
						|
    case 2:
 | 
						|
      return MakeUnique<ScrollbarDrawingGTK>();
 | 
						|
    case 3:
 | 
						|
      return MakeUnique<ScrollbarDrawingAndroid>();
 | 
						|
    case 4:
 | 
						|
      return MakeUnique<ScrollbarDrawingWin>();
 | 
						|
    case 5:
 | 
						|
      return MakeUnique<ScrollbarDrawingWin11>();
 | 
						|
    default:
 | 
						|
      break;
 | 
						|
  }
 | 
						|
    // Default to native scrollbar style for each platform.
 | 
						|
#ifdef XP_WIN
 | 
						|
  if (IsWin11OrLater()) {
 | 
						|
    return MakeUnique<ScrollbarDrawingWin11>();
 | 
						|
  }
 | 
						|
  return MakeUnique<ScrollbarDrawingWin>();
 | 
						|
#elif defined(MOZ_WIDGET_COCOA) || defined(MOZ_WIDGET_UIKIT)
 | 
						|
  return MakeUnique<ScrollbarDrawingCocoa>();
 | 
						|
#elif MOZ_WIDGET_GTK
 | 
						|
  return MakeUnique<ScrollbarDrawingGTK>();
 | 
						|
#elif ANDROID
 | 
						|
  return MakeUnique<ScrollbarDrawingAndroid>();
 | 
						|
#else
 | 
						|
#  error "Unknown platform, need scrollbar implementation."
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
LayoutDeviceIntSize Theme::GetMinimumWidgetSize(nsPresContext* aPresContext,
 | 
						|
                                                nsIFrame* aFrame,
 | 
						|
                                                StyleAppearance aAppearance) {
 | 
						|
  DPIRatio dpiRatio = GetDPIRatio(aFrame, aAppearance);
 | 
						|
 | 
						|
  if (IsWidgetScrollbarPart(aAppearance)) {
 | 
						|
    return GetScrollbarDrawing().GetMinimumWidgetSize(aPresContext, aAppearance,
 | 
						|
                                                      aFrame);
 | 
						|
  }
 | 
						|
 | 
						|
  LayoutDeviceIntSize result;
 | 
						|
  switch (aAppearance) {
 | 
						|
    case StyleAppearance::RangeThumb:
 | 
						|
      result.SizeTo((kMinimumRangeThumbSize * dpiRatio).Rounded(),
 | 
						|
                    (kMinimumRangeThumbSize * dpiRatio).Rounded());
 | 
						|
      break;
 | 
						|
    case StyleAppearance::MozMenulistArrowButton:
 | 
						|
      result.width = (kMinimumDropdownArrowButtonWidth * dpiRatio).Rounded();
 | 
						|
      break;
 | 
						|
    case StyleAppearance::SpinnerUpbutton:
 | 
						|
    case StyleAppearance::SpinnerDownbutton:
 | 
						|
      result.width = (kMinimumSpinnerButtonWidth * dpiRatio).Rounded();
 | 
						|
      result.height = (kMinimumSpinnerButtonHeight * dpiRatio).Rounded();
 | 
						|
      break;
 | 
						|
    default:
 | 
						|
      break;
 | 
						|
  }
 | 
						|
  return result;
 | 
						|
}
 | 
						|
 | 
						|
nsITheme::Transparency Theme::GetWidgetTransparency(
 | 
						|
    nsIFrame* aFrame, StyleAppearance aAppearance) {
 | 
						|
  if (auto scrollbar = GetScrollbarDrawing().GetScrollbarPartTransparency(
 | 
						|
          aFrame, aAppearance)) {
 | 
						|
    return *scrollbar;
 | 
						|
  }
 | 
						|
  if (aAppearance == StyleAppearance::Tooltip) {
 | 
						|
    // We draw a rounded rect, so we need transparency.
 | 
						|
    return eTransparent;
 | 
						|
  }
 | 
						|
  return eUnknownTransparency;
 | 
						|
}
 | 
						|
 | 
						|
NS_IMETHODIMP
 | 
						|
Theme::WidgetStateChanged(nsIFrame* aFrame, StyleAppearance aAppearance,
 | 
						|
                          nsAtom* aAttribute, bool* aShouldRepaint,
 | 
						|
                          const nsAttrValue* aOldValue) {
 | 
						|
  if (!aAttribute) {
 | 
						|
    // Hover/focus/active changed.  Always repaint.
 | 
						|
    *aShouldRepaint = true;
 | 
						|
  } else {
 | 
						|
    // Check the attribute to see if it's relevant.
 | 
						|
    // disabled, checked, dlgtype, default, etc.
 | 
						|
    *aShouldRepaint = false;
 | 
						|
    if (aAttribute == nsGkAtoms::disabled || aAttribute == nsGkAtoms::checked ||
 | 
						|
        aAttribute == nsGkAtoms::selected ||
 | 
						|
        aAttribute == nsGkAtoms::visuallyselected ||
 | 
						|
        aAttribute == nsGkAtoms::menuactive ||
 | 
						|
        aAttribute == nsGkAtoms::sortDirection ||
 | 
						|
        aAttribute == nsGkAtoms::focused || aAttribute == nsGkAtoms::_default ||
 | 
						|
        aAttribute == nsGkAtoms::open || aAttribute == nsGkAtoms::hover) {
 | 
						|
      *aShouldRepaint = true;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return NS_OK;
 | 
						|
}
 | 
						|
 | 
						|
NS_IMETHODIMP
 | 
						|
Theme::ThemeChanged() { return NS_OK; }
 | 
						|
 | 
						|
bool Theme::WidgetAppearanceDependsOnWindowFocus(StyleAppearance aAppearance) {
 | 
						|
  return IsWidgetScrollbarPart(aAppearance);
 | 
						|
}
 | 
						|
 | 
						|
nsITheme::ThemeGeometryType Theme::ThemeGeometryTypeForWidget(
 | 
						|
    nsIFrame* aFrame, StyleAppearance aAppearance) {
 | 
						|
  return eThemeGeometryTypeUnknown;
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* aFrame,
 | 
						|
                                StyleAppearance aAppearance) {
 | 
						|
  switch (aAppearance) {
 | 
						|
    case StyleAppearance::Radio:
 | 
						|
    case StyleAppearance::Checkbox:
 | 
						|
    case StyleAppearance::FocusOutline:
 | 
						|
    case StyleAppearance::Textarea:
 | 
						|
    case StyleAppearance::Textfield:
 | 
						|
    case StyleAppearance::Range:
 | 
						|
    case StyleAppearance::RangeThumb:
 | 
						|
    case StyleAppearance::ProgressBar:
 | 
						|
    case StyleAppearance::Progresschunk:
 | 
						|
    case StyleAppearance::Meter:
 | 
						|
    case StyleAppearance::Meterchunk:
 | 
						|
    case StyleAppearance::ScrollbarbuttonUp:
 | 
						|
    case StyleAppearance::ScrollbarbuttonDown:
 | 
						|
    case StyleAppearance::ScrollbarbuttonLeft:
 | 
						|
    case StyleAppearance::ScrollbarbuttonRight:
 | 
						|
    case StyleAppearance::ScrollbarthumbHorizontal:
 | 
						|
    case StyleAppearance::ScrollbarthumbVertical:
 | 
						|
    case StyleAppearance::ScrollbartrackHorizontal:
 | 
						|
    case StyleAppearance::ScrollbartrackVertical:
 | 
						|
    case StyleAppearance::ScrollbarHorizontal:
 | 
						|
    case StyleAppearance::ScrollbarVertical:
 | 
						|
    case StyleAppearance::Scrollcorner:
 | 
						|
    case StyleAppearance::Button:
 | 
						|
    case StyleAppearance::Toolbarbutton:
 | 
						|
    case StyleAppearance::Listbox:
 | 
						|
    case StyleAppearance::Menulist:
 | 
						|
    case StyleAppearance::MenulistButton:
 | 
						|
    case StyleAppearance::NumberInput:
 | 
						|
    case StyleAppearance::PasswordInput:
 | 
						|
    case StyleAppearance::MozMenulistArrowButton:
 | 
						|
    case StyleAppearance::SpinnerUpbutton:
 | 
						|
    case StyleAppearance::SpinnerDownbutton:
 | 
						|
    case StyleAppearance::Tooltip:
 | 
						|
      return !IsWidgetStyled(aPresContext, aFrame, aAppearance);
 | 
						|
    default:
 | 
						|
      return false;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::WidgetIsContainer(StyleAppearance aAppearance) {
 | 
						|
  switch (aAppearance) {
 | 
						|
    case StyleAppearance::MozMenulistArrowButton:
 | 
						|
    case StyleAppearance::Radio:
 | 
						|
    case StyleAppearance::Checkbox:
 | 
						|
      return false;
 | 
						|
    default:
 | 
						|
      return true;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::ThemeDrawsFocusForWidget(nsIFrame*, StyleAppearance) {
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
bool Theme::ThemeNeedsComboboxDropmarker() { return true; }
 | 
						|
 | 
						|
bool Theme::ThemeSupportsScrollbarButtons() {
 | 
						|
  return GetScrollbarDrawing().ShouldDrawScrollbarButtons();
 | 
						|
}
 | 
						|
 | 
						|
}  // namespace mozilla::widget
 |