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// Copyright (c) 2009 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 "views/controls/menu/menu_item_view.h"
#include "app/resource_bundle.h"
#include "gfx/canvas_skia.h"
#include "gfx/favicon_size.h"
#include "grit/app_resources.h"
#include "third_party/skia/include/effects/SkGradientShader.h"
#include "views/controls/button/text_button.h"
#include "views/controls/menu/menu_config.h"
#include "views/controls/menu/submenu_view.h"
namespace views {
// Background color when the menu item is selected.
#if defined(OS_CHROMEOS)
static const SkColor kSelectedBackgroundColor = SkColorSetRGB(0xDC, 0xE4, 0xFA);
#else
static const SkColor kSelectedBackgroundColor = SkColorSetRGB(246, 249, 253);
#endif
// Size of the radio button inciator.
static const int kSelectedIndicatorSize = 5;
static const int kIndicatorSize = 10;
// Used for the radio indicator. See theme_draw for details.
static const double kGradientStop = .5;
static const SkColor kGradient0 = SkColorSetRGB(255, 255, 255);
static const SkColor kGradient1 = SkColorSetRGB(255, 255, 255);
static const SkColor kGradient2 = SkColorSetRGB(0xD8, 0xD8, 0xD8);
static const SkColor kBaseStroke = SkColorSetRGB(0x8F, 0x8F, 0x8F);
static const SkColor kRadioButtonIndicatorGradient0 =
SkColorSetRGB(0, 0, 0);
static const SkColor kRadioButtonIndicatorGradient1 =
SkColorSetRGB(0x83, 0x83, 0x83);
static const SkColor kIndicatorStroke = SkColorSetRGB(0, 0, 0);
gfx::Size MenuItemView::GetPreferredSize() {
const gfx::Font& font = MenuConfig::instance().font;
// TODO(sky): this is a workaround until I figure out why font.height()
// isn't returning the right thing. We really only want to include
// kFavIconSize if we're showing icons.
int content_height = std::max(kFavIconSize, font.height());
return gfx::Size(
font.GetStringWidth(title_) + label_start_ + item_right_margin_ +
GetChildPreferredWidth(),
content_height + GetBottomMargin() + GetTopMargin());
}
void MenuItemView::Paint(gfx::Canvas* canvas, bool for_drag) {
const MenuConfig& config = MenuConfig::instance();
bool render_selection =
(!for_drag && IsSelected() &&
parent_menu_item_->GetSubmenu()->GetShowSelection(this) &&
GetChildViewCount() == 0);
int icon_x = config.item_left_margin;
int top_margin = GetTopMargin();
int bottom_margin = GetBottomMargin();
int icon_y = top_margin + (height() - config.item_top_margin -
bottom_margin - config.check_height) / 2;
int icon_height = config.check_height;
int available_height = height() - top_margin - bottom_margin;
// Render the background. As MenuScrollViewContainer draws the background, we
// only need the background when we want it to look different, as when we're
// selected.
if (render_selection)
canvas->AsCanvasSkia()->drawColor(kSelectedBackgroundColor,
SkXfermode::kSrc_Mode);
// Render the check.
if (type_ == CHECKBOX && GetDelegate()->IsItemChecked(GetCommand())) {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
SkBitmap* check = rb.GetBitmapNamed(IDR_MENU_CHECK);
// Don't use config.check_width here as it's padded to force more padding.
gfx::Rect check_bounds(icon_x, icon_y, check->width(), icon_height);
AdjustBoundsForRTLUI(&check_bounds);
canvas->DrawBitmapInt(*check, check_bounds.x(), check_bounds.y());
} else if (type_ == RADIO) {
// This code comes from theme_draw.cc. See it for details.
canvas->TranslateInt(
icon_x,
top_margin + (height() - top_margin - bottom_margin -
kIndicatorSize) / 2);
SkPoint gradient_points[3];
gradient_points[0].set(SkIntToScalar(0), SkIntToScalar(0));
gradient_points[1].set(
SkIntToScalar(0),
SkIntToScalar(static_cast<int>(kIndicatorSize * kGradientStop)));
gradient_points[2].set(SkIntToScalar(0), SkIntToScalar(kIndicatorSize));
SkColor gradient_colors[3] = { kGradient0, kGradient1, kGradient2 };
SkShader* shader = SkGradientShader::CreateLinear(
gradient_points, gradient_colors, NULL, arraysize(gradient_points),
SkShader::kClamp_TileMode, NULL);
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAntiAlias(true);
paint.setShader(shader);
shader->unref();
int radius = kIndicatorSize / 2;
canvas->AsCanvasSkia()->drawCircle(radius, radius, radius, paint);
paint.setStrokeWidth(SkIntToScalar(0));
paint.setShader(NULL);
paint.setStyle(SkPaint::kStroke_Style);
paint.setColor(kBaseStroke);
canvas->AsCanvasSkia()->drawCircle(radius, radius, radius, paint);
if (GetDelegate()->IsItemChecked(GetCommand())) {
SkPoint selected_gradient_points[2];
selected_gradient_points[0].set(SkIntToScalar(0), SkIntToScalar(0));
selected_gradient_points[1].set(
SkIntToScalar(0),
SkIntToScalar(kSelectedIndicatorSize));
SkColor selected_gradient_colors[2] = { kRadioButtonIndicatorGradient0,
kRadioButtonIndicatorGradient1 };
shader = SkGradientShader::CreateLinear(
selected_gradient_points, selected_gradient_colors, NULL,
arraysize(selected_gradient_points), SkShader::kClamp_TileMode, NULL);
paint.setShader(shader);
shader->unref();
paint.setStyle(SkPaint::kFill_Style);
canvas->AsCanvasSkia()->drawCircle(radius, radius,
kSelectedIndicatorSize / 2, paint);
paint.setStrokeWidth(SkIntToScalar(0));
paint.setShader(NULL);
paint.setStyle(SkPaint::kStroke_Style);
paint.setColor(kIndicatorStroke);
canvas->AsCanvasSkia()->drawCircle(radius, radius,
kSelectedIndicatorSize / 2, paint);
}
canvas->TranslateInt(
-icon_x,
-(top_margin + (height() - top_margin - bottom_margin -
kIndicatorSize) / 2));
}
// Render the foreground.
#if defined(OS_CHROMEOS)
SkColor fg_color =
IsEnabled() ? SK_ColorBLACK : SkColorSetRGB(0x80, 0x80, 0x80);
#else
SkColor fg_color =
IsEnabled() ? TextButton::kEnabledColor : TextButton::kDisabledColor;
#endif
const gfx::Font& font = MenuConfig::instance().font;
int accel_width = parent_menu_item_->GetSubmenu()->max_accelerator_width();
int width = this->width() - item_right_margin_ - label_start_ - accel_width;
gfx::Rect text_bounds(label_start_, top_margin +
(available_height - font.height()) / 2, width,
font.height());
text_bounds.set_x(MirroredLeftPointForRect(text_bounds));
canvas->DrawStringInt(GetTitle(), font, fg_color,
text_bounds.x(), text_bounds.y(), text_bounds.width(),
text_bounds.height(),
GetRootMenuItem()->GetDrawStringFlags());
PaintAccelerator(canvas);
// Render the icon.
if (icon_.width() > 0) {
gfx::Rect icon_bounds(config.item_left_margin,
top_margin + (height() - top_margin -
bottom_margin - icon_.height()) / 2,
icon_.width(),
icon_.height());
icon_bounds.set_x(MirroredLeftPointForRect(icon_bounds));
canvas->DrawBitmapInt(icon_, icon_bounds.x(), icon_bounds.y());
}
// Render the submenu indicator (arrow).
if (HasSubmenu()) {
gfx::Rect arrow_bounds(this->width() - item_right_margin_ +
config.label_to_arrow_padding,
top_margin + (available_height -
config.arrow_width) / 2,
config.arrow_width, height());
AdjustBoundsForRTLUI(&arrow_bounds);
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
canvas->DrawBitmapInt(*rb.GetBitmapNamed(IDR_MENU_ARROW),
arrow_bounds.x(), arrow_bounds.y());
}
}
} // namespace views
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