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// Copyright (c) 2011 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 "base/utf_string_conversions.h"
#include "grit/ui_resources.h"
#include "third_party/skia/include/effects/SkGradientShader.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas_skia.h"
#include "ui/gfx/favicon_size.h"
#include "views/controls/button/text_button.h"
#include "views/controls/menu/menu_config.h"
#include "views/controls/menu/menu_image_util_gtk.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
#if defined(TOUCH_UI)
const int kMinTouchHeight = 46;
#endif
gfx::Size MenuItemView::CalculatePreferredSize() {
const gfx::Font& font = GetFont();
#if defined(TOUCH_UI)
int height = std::max(font.GetHeight(), kMinTouchHeight);
#else
int height = font.GetHeight();
#endif
gfx::Size child_size = GetChildPreferredSize();
return gfx::Size(
font.GetStringWidth(title_) + label_start_ +
item_right_margin_ + child_size.width(),
std::max(height, child_size.height()) + GetBottomMargin() +
GetTopMargin());
}
void MenuItemView::PaintButton(gfx::Canvas* canvas, PaintButtonMode mode) {
const MenuConfig& config = MenuConfig::instance();
bool render_selection =
(mode == PB_NORMAL && IsSelected() &&
parent_menu_item_->GetSubmenu()->GetShowSelection(this) &&
!has_children());
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) {
const SkBitmap* image =
GetRadioButtonImage(GetDelegate()->IsItemChecked(GetCommand()));
gfx::Rect radio_bounds(icon_x,
top_margin +
(height() - top_margin - bottom_margin -
image->height()) / 2,
image->width(),
image->height());
AdjustBoundsForRTLUI(&radio_bounds);
canvas->DrawBitmapInt(*image, radio_bounds.x(), radio_bounds.y());
}
// 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 = GetFont();
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.GetHeight()) / 2, width,
font.GetHeight());
text_bounds.set_x(GetMirroredXForRect(text_bounds));
canvas->DrawStringInt(WideToUTF16Hack(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(GetMirroredXForRect(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);
canvas->DrawBitmapInt(*GetSubmenuArrowImage(),
arrow_bounds.x(), arrow_bounds.y());
}
}
} // namespace views
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