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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/native_theme/common_theme.h"
#include "base/logging.h"
#include "grit/ui_resources.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/color_utils.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/skia_util.h"
#include "ui/gfx/sys_color_change_listener.h"
namespace {
// Theme colors returned by GetSystemColor().
// MenuItem:
const SkColor kMenuBackgroundColor = SK_ColorWHITE;
const SkColor kMenuHighlightBackgroundColor = SkColorSetRGB(0x42, 0x81, 0xF4);
const SkColor kMenuInvertedSchemeHighlightBackgroundColor =
SkColorSetRGB(48, 48, 48);
const SkColor kMenuBorderColor = SkColorSetRGB(0xBA, 0xBA, 0xBA);
const SkColor kEnabledMenuButtonBorderColor = SkColorSetARGB(36, 0, 0, 0);
const SkColor kFocusedMenuButtonBorderColor = SkColorSetARGB(72, 0, 0, 0);
const SkColor kHoverMenuButtonBorderColor = SkColorSetARGB(72, 0, 0, 0);
const SkColor kMenuSeparatorColor = SkColorSetRGB(0xE9, 0xE9, 0xE9);
const SkColor kEnabledMenuItemForegroundColor = SK_ColorBLACK;
const SkColor kDisabledMenuItemForegroundColor = SkColorSetRGB(161, 161, 146);
const SkColor kHoverMenuItemBackgroundColor =
SkColorSetARGB(204, 255, 255, 255);
} // namespace
namespace ui {
bool CommonThemeGetSystemColor(NativeTheme::ColorId color_id, SkColor* color) {
switch (color_id) {
// MenuItem
case NativeTheme::kColorId_MenuBorderColor:
*color = kMenuBorderColor;
break;
case NativeTheme::kColorId_EnabledMenuButtonBorderColor:
*color = kEnabledMenuButtonBorderColor;
break;
case NativeTheme::kColorId_FocusedMenuButtonBorderColor:
*color = kFocusedMenuButtonBorderColor;
break;
case NativeTheme::kColorId_HoverMenuButtonBorderColor:
*color = kHoverMenuButtonBorderColor;
break;
case NativeTheme::kColorId_MenuSeparatorColor:
*color = kMenuSeparatorColor;
break;
case NativeTheme::kColorId_MenuBackgroundColor:
*color = kMenuBackgroundColor;
break;
case NativeTheme::kColorId_FocusedMenuItemBackgroundColor:
*color = kMenuHighlightBackgroundColor;
break;
case NativeTheme::kColorId_HoverMenuItemBackgroundColor:
*color = kHoverMenuItemBackgroundColor;
break;
case NativeTheme::kColorId_EnabledMenuItemForegroundColor:
*color = kEnabledMenuItemForegroundColor;
break;
case NativeTheme::kColorId_DisabledMenuItemForegroundColor:
*color = kDisabledMenuItemForegroundColor;
break;
case NativeTheme::kColorId_SelectedMenuItemForegroundColor:
*color = SK_ColorWHITE;
break;
case NativeTheme::kColorId_ButtonDisabledColor:
*color = kDisabledMenuItemForegroundColor;
break;
default:
return false;
}
if (gfx::IsInvertedColorScheme()) {
switch (color_id) {
case NativeTheme::kColorId_FocusedMenuItemBackgroundColor:
*color = kMenuInvertedSchemeHighlightBackgroundColor;
break;
default:
*color = color_utils::InvertColor(*color);
}
}
return true;
}
gfx::Size CommonThemeGetPartSize(NativeTheme::Part part,
NativeTheme::State state,
const NativeTheme::ExtraParams& extra) {
gfx::Size size;
switch (part) {
case NativeTheme::kMenuCheck: {
const gfx::ImageSkia* check =
ui::ResourceBundle::GetSharedInstance().GetImageNamed(
IDR_MENU_CHECK_CHECKED).ToImageSkia();
size.SetSize(check->width(), check->height());
break;
}
default:
break;
}
return size;
}
void CommonThemePaintMenuSeparator(
SkCanvas* canvas,
const gfx::Rect& rect,
const NativeTheme::MenuSeparatorExtraParams& extra) {
SkColor color;
CommonThemeGetSystemColor(NativeTheme::kColorId_MenuSeparatorColor, &color);
SkPaint paint;
paint.setColor(kMenuSeparatorColor);
int position_y = rect.y() + rect.height() / 2;
canvas->drawLine(rect.x(), position_y, rect.right(), position_y, paint);
}
void CommonThemePaintMenuGutter(SkCanvas* canvas, const gfx::Rect& rect) {
SkColor color;
CommonThemeGetSystemColor(NativeTheme::kColorId_MenuSeparatorColor, &color);
SkPaint paint;
paint.setColor(kMenuSeparatorColor);
int position_x = rect.x() + rect.width() / 2;
canvas->drawLine(position_x, rect.y(), position_x, rect.bottom(), paint);
}
void CommonThemePaintMenuBackground(SkCanvas* canvas, const gfx::Rect& rect) {
SkColor color;
CommonThemeGetSystemColor(NativeTheme::kColorId_MenuBackgroundColor, &color);
SkPaint paint;
paint.setColor(color);
canvas->drawRect(gfx::RectToSkRect(rect), paint);
}
void CommonThemePaintMenuItemBackground(SkCanvas* canvas,
NativeTheme::State state,
const gfx::Rect& rect) {
SkColor color;
SkPaint paint;
switch (state) {
case NativeTheme::kNormal:
case NativeTheme::kDisabled:
CommonThemeGetSystemColor(NativeTheme::kColorId_MenuBackgroundColor,
&color);
paint.setColor(color);
break;
case NativeTheme::kHovered:
CommonThemeGetSystemColor(
NativeTheme::kColorId_FocusedMenuItemBackgroundColor, &color);
paint.setColor(color);
break;
default:
NOTREACHED() << "Invalid state " << state;
break;
}
canvas->drawRect(gfx::RectToSkRect(rect), paint);
}
} // namespace ui
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