native_theme_aura.cc | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/native_theme/native_theme_aura.h"

#include <limits>
#include <utility>

#include "base/check_op.h"
#include "base/containers/fixed_flat_map.h"
#include "base/no_destructor.h"
#include "base/notreached.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "cc/paint/paint_canvas.h"
#include "cc/paint/paint_flags.h"
#include "third_party/skia/include/core/SkPath.h"
#include "ui/base/ui_base_features.h"
#include "ui/color/color_provider.h"
#include "ui/gfx/animation/tween.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rrect_f.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/skia_conversions.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/native_theme/common_theme.h"
#include "ui/native_theme/native_theme_features.h"
#include "ui/native_theme/native_theme_fluent.h"
#include "ui/native_theme/overlay_scrollbar_constants_aura.h"

namespace ui {

namespace {

// Constants for painting overlay scrollbars. Other properties needed outside
// this painting code are defined in overlay_scrollbar_constants_aura.h.
constexpr int kOverlayScrollbarMinimumLength = …;
// 2 pixel border with 1 pixel center patch. The border is 2 pixels despite the
// stroke width being 1 so that the inner pixel can match the center tile
// color. This prevents color interpolation between the patches.
constexpr int kOverlayScrollbarBorderPatchWidth = …;
constexpr int kOverlayScrollbarCenterPatchSize = …;

// This radius let scrollbar arrows fit in the default rounded border of some
// form controls. TODO(crbug.com/40285711): We should probably let blink pass
// the actual border radii.
const SkScalar kScrollbarArrowRadius = …;
// Killswitch for the changed behavior (only drawing rounded corner for form
// controls). Should remove after M120 ships.
BASE_FEATURE(…);

}  // namespace

////////////////////////////////////////////////////////////////////////////////
// NativeTheme:

#if !BUILDFLAG(IS_APPLE)
// static
NativeTheme* NativeTheme::GetInstanceForWeb() { … }

#if !BUILDFLAG(IS_WIN)
// static
NativeTheme* NativeTheme::GetInstanceForNativeUi() { … }

NativeTheme* NativeTheme::GetInstanceForDarkUI() { … }
#endif  // !BUILDFLAG(IS_WIN)
#endif  // !BUILDFLAG(IS_APPLE)

////////////////////////////////////////////////////////////////////////////////
// NativeThemeAura:

NativeThemeAura::NativeThemeAura(bool use_overlay_scrollbars,
                                 bool should_only_use_dark_colors,
                                 ui::SystemTheme system_theme,
                                 bool configure_web_instance)
    : … { … }

NativeThemeAura::~NativeThemeAura() { … }

// static
NativeThemeAura* NativeThemeAura::web_instance() { … }

SkColor4f NativeThemeAura::FocusRingColorForBaseColor(
    SkColor4f base_color) const { … }

void NativeThemeAura::ConfigureWebInstance() { … }

void NativeThemeAura::PaintMenuPopupBackground(
    cc::PaintCanvas* canvas,
    const ColorProvider* color_provider,
    const gfx::Size& size,
    const MenuBackgroundExtraParams& menu_background,
    ColorScheme color_scheme) const { … }

void NativeThemeAura::PaintMenuItemBackground(
    cc::PaintCanvas* canvas,
    const ColorProvider* color_provider,
    State state,
    const gfx::Rect& rect,
    const MenuItemExtraParams& menu_item,
    ColorScheme color_scheme) const { … }

void NativeThemeAura::PaintArrowButton(
    cc::PaintCanvas* canvas,
    const ColorProvider* color_provider,
    const gfx::Rect& rect,
    Part direction,
    State state,
    ColorScheme color_scheme,
    bool in_forced_colors,
    const ScrollbarArrowExtraParams& extra_params) const { … }

void NativeThemeAura::PaintScrollbarTrack(
    cc::PaintCanvas* canvas,
    const ColorProvider* color_provider,
    Part part,
    State state,
    const ScrollbarTrackExtraParams& extra_params,
    const gfx::Rect& rect,
    ColorScheme color_scheme,
    bool in_forced_colors) const { … }

void NativeThemeAura::PaintScrollbarThumb(
    cc::PaintCanvas* canvas,
    const ColorProvider* color_provider,
    Part part,
    State state,
    const gfx::Rect& rect,
    const ScrollbarThumbExtraParams& extra_params,
    ColorScheme color_scheme) const { … }

gfx::Insets NativeThemeAura::GetScrollbarSolidColorThumbInsets(
    Part part) const { … }

SkColor4f NativeThemeAura::GetScrollbarThumbColor(
    const ui::ColorProvider& color_provider,
    State state,
    const ScrollbarThumbExtraParams& extra_params) const { … }

void NativeThemeAura::PaintScrollbarCorner(
    cc::PaintCanvas* canvas,
    const ColorProvider* color_provider,
    State state,
    const gfx::Rect& rect,
    const ScrollbarTrackExtraParams& extra_params,
    ColorScheme color_scheme) const { … }

gfx::Size NativeThemeAura::GetPartSize(Part part,
                                       State state,
                                       const ExtraParams& extra) const { … }

void NativeThemeAura::DrawPartiallyRoundRect(cc::PaintCanvas* canvas,
                                             const gfx::Rect& rect,
                                             const SkScalar upper_left_radius,
                                             const SkScalar upper_right_radius,
                                             const SkScalar lower_right_radius,
                                             const SkScalar lower_left_radius,
                                             const cc::PaintFlags& flags) { … }

bool NativeThemeAura::SupportsNinePatch(Part part) const { … }

gfx::Size NativeThemeAura::GetNinePatchCanvasSize(Part part) const { … }

gfx::Rect NativeThemeAura::GetNinePatchAperture(Part part) const { … }

}  // namespace ui
chromium/ui/native_theme/native_theme_aura.cc
