ui/views/controls/menu/menu_separator_views.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/controls/menu/menu_separator.h"
   6
   7 #include "third_party/skia/include/core/SkColor.h"
   8 #include "ui/gfx/canvas.h"
   9 #include "ui/native_theme/native_theme.h"
  10 #include "ui/views/controls/menu/menu_config.h"
  11 #include "ui/views/controls/menu/menu_item_view.h"
  12
  13 namespace {
  14
  15 const int kSeparatorHeight = 1;
  16
  17 }  // namespace
  18
  19 namespace views {
  20
  21 #if !defined(OS_WIN)
  22 void MenuSeparator::OnPaint(gfx::Canvas* canvas) {
  23   OnPaintAura(canvas);
  24 }
  25 #endif
  26
  27 gfx::Size MenuSeparator::GetPreferredSize() const {
  28   const MenuConfig& menu_config = parent_menu_item_->GetMenuConfig();
  29   int height = menu_config.separator_height;
  30   switch(type_) {
  31     case ui::SPACING_SEPARATOR:
  32       height = menu_config.separator_spacing_height;
  33       break;
  34     case ui::LOWER_SEPARATOR:
  35       height = menu_config.separator_lower_height;
  36       break;
  37     case ui::UPPER_SEPARATOR:
  38       height = menu_config.separator_upper_height;
  39       break;
  40     default:
  41       height = menu_config.separator_height;
  42       break;
  43   }
  44   return gfx::Size(10,  // Just in case we're the only item in a menu.
  45                    height);
  46 }
  47
  48 gfx::Rect MenuSeparator::GetPaintBounds() {
  49   int pos = 0;
  50   switch (type_) {
  51     case ui::LOWER_SEPARATOR:
  52       pos = height() - kSeparatorHeight;
  53       break;
  54     case ui::SPACING_SEPARATOR:
  55       return gfx::Rect();
  56     case ui::UPPER_SEPARATOR:
  57       break;
  58     default:
  59       pos = height() / 2;
  60       break;
  61   }
  62
  63   gfx::Rect paint_rect(0, pos, width(), kSeparatorHeight);
  64   if (parent_menu_item_->GetMenuConfig().use_outer_border)
  65     paint_rect.Inset(1, 0);
  66   return paint_rect;
  67 }
  68
  69 void MenuSeparator::OnPaintAura(gfx::Canvas* canvas) {
  70   canvas->FillRect(GetPaintBounds(),
  71                    GetNativeTheme()->GetSystemColor(
  72                        ui::NativeTheme::kColorId_MenuSeparatorColor));
  73 }
  74
  75 }  // namespace views