ui/views/controls/menu/menu_model_adapter_unittest.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_model_adapter.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/base/models/menu_model.h"
   9 #include "ui/base/models/menu_model_delegate.h"
  10 #include "ui/views/controls/menu/menu_item_view.h"
  11 #include "ui/views/controls/menu/menu_runner.h"
  12 #include "ui/views/controls/menu/submenu_view.h"
  13 #include "ui/views/test/views_test_base.h"
  14
  15 namespace {
  16
  17 // Base command id for test menu and its submenu.
  18 const int kRootIdBase = 100;
  19 const int kSubmenuIdBase = 200;
  20
  21 class MenuModelBase : public ui::MenuModel {
  22  public:
  23   explicit MenuModelBase(int command_id_base)
  24       : command_id_base_(command_id_base),
  25         last_activation_(-1) {
  26   }
  27
  28   virtual ~MenuModelBase() {
  29   }
  30
  31   // ui::MenuModel implementation:
  32
  33   virtual bool HasIcons() const OVERRIDE {
  34     return false;
  35   }
  36
  37   virtual int GetItemCount() const OVERRIDE {
  38     return static_cast<int>(items_.size());
  39   }
  40
  41   virtual ItemType GetTypeAt(int index) const OVERRIDE {
  42     return items_[index].type;
  43   }
  44
  45   virtual ui::MenuSeparatorType GetSeparatorTypeAt(
  46       int index) const OVERRIDE {
  47     return ui::NORMAL_SEPARATOR;
  48   }
  49
  50   virtual int GetCommandIdAt(int index) const OVERRIDE {
  51     return index + command_id_base_;
  52   }
  53
  54   virtual base::string16 GetLabelAt(int index) const OVERRIDE {
  55     return items_[index].label;
  56   }
  57
  58   virtual bool IsItemDynamicAt(int index) const OVERRIDE {
  59     return false;
  60   }
  61
  62   virtual const gfx::FontList* GetLabelFontListAt(int index) const OVERRIDE {
  63     return NULL;
  64   }
  65
  66   virtual bool GetAcceleratorAt(int index,
  67                                 ui::Accelerator* accelerator) const OVERRIDE {
  68     return false;
  69   }
  70
  71   virtual bool IsItemCheckedAt(int index) const OVERRIDE {
  72     return false;
  73   }
  74
  75   virtual int GetGroupIdAt(int index) const OVERRIDE {
  76     return 0;
  77   }
  78
  79   virtual bool GetIconAt(int index, gfx::Image* icon) OVERRIDE {
  80     return false;
  81   }
  82
  83   virtual ui::ButtonMenuItemModel* GetButtonMenuItemAt(
  84       int index) const OVERRIDE {
  85     return NULL;
  86   }
  87
  88   virtual bool IsEnabledAt(int index) const OVERRIDE {
  89     return true;
  90   }
  91
  92   virtual bool IsVisibleAt(int index) const OVERRIDE {
  93     return true;
  94   }
  95
  96   virtual MenuModel* GetSubmenuModelAt(int index) const OVERRIDE {
  97     return items_[index].submenu;
  98   }
  99
 100   virtual void HighlightChangedTo(int index) OVERRIDE {
 101   }
 102
 103   virtual void ActivatedAt(int index) OVERRIDE {
 104     set_last_activation(index);
 105   }
 106
 107   virtual void ActivatedAt(int index, int event_flags) OVERRIDE {
 108     ActivatedAt(index);
 109   }
 110
 111   virtual void MenuWillShow() OVERRIDE {
 112   }
 113
 114   virtual void MenuClosed() OVERRIDE {
 115   }
 116
 117   virtual void SetMenuModelDelegate(
 118       ui::MenuModelDelegate* delegate) OVERRIDE {
 119   }
 120
 121   virtual ui::MenuModelDelegate* GetMenuModelDelegate() const OVERRIDE {
 122     return NULL;
 123   }
 124
 125   // Item definition.
 126   struct Item {
 127     Item(ItemType item_type,
 128          const std::string& item_label,
 129          ui::MenuModel* item_submenu)
 130         : type(item_type),
 131           label(base::ASCIIToUTF16(item_label)),
 132           submenu(item_submenu) {
 133     }
 134
 135     ItemType type;
 136     base::string16 label;
 137     ui::MenuModel* submenu;
 138   };
 139
 140   const Item& GetItemDefinition(int index) {
 141     return items_[index];
 142   }
 143
 144   // Access index argument to ActivatedAt().
 145   int last_activation() const { return last_activation_; }
 146   void set_last_activation(int last_activation) {
 147     last_activation_ = last_activation;
 148   }
 149
 150  protected:
 151   std::vector<Item> items_;
 152
 153  private:
 154   int command_id_base_;
 155   int last_activation_;
 156
 157   DISALLOW_COPY_AND_ASSIGN(MenuModelBase);
 158 };
 159
 160 class SubmenuModel : public MenuModelBase {
 161  public:
 162   SubmenuModel() : MenuModelBase(kSubmenuIdBase) {
 163     items_.push_back(Item(TYPE_COMMAND, "submenu item 0", NULL));
 164     items_.push_back(Item(TYPE_COMMAND, "submenu item 1", NULL));
 165   }
 166
 167   virtual ~SubmenuModel() {
 168   }
 169
 170  private:
 171   DISALLOW_COPY_AND_ASSIGN(SubmenuModel);
 172 };
 173
 174 class RootModel : public MenuModelBase {
 175  public:
 176   RootModel() : MenuModelBase(kRootIdBase) {
 177     submenu_model_.reset(new SubmenuModel);
 178
 179     items_.push_back(Item(TYPE_COMMAND, "command 0", NULL));
 180     items_.push_back(Item(TYPE_CHECK, "check 1", NULL));
 181     items_.push_back(Item(TYPE_SEPARATOR, "", NULL));
 182     items_.push_back(Item(TYPE_SUBMENU, "submenu 3", submenu_model_.get()));
 183     items_.push_back(Item(TYPE_RADIO, "radio 4", NULL));
 184   }
 185
 186   virtual ~RootModel() {
 187   }
 188
 189  private:
 190   scoped_ptr<MenuModel> submenu_model_;
 191
 192   DISALLOW_COPY_AND_ASSIGN(RootModel);
 193 };
 194
 195 }  // namespace
 196
 197 namespace views {
 198
 199 typedef ViewsTestBase MenuModelAdapterTest;
 200
 201 TEST_F(MenuModelAdapterTest, BasicTest) {
 202   // Build model and adapter.
 203   RootModel model;
 204   views::MenuModelAdapter delegate(&model);
 205
 206   // Create menu.  Build menu twice to check that rebuilding works properly.
 207   MenuItemView* menu = new views::MenuItemView(&delegate);
 208   // MenuRunner takes ownership of menu.
 209   scoped_ptr<MenuRunner> menu_runner(new MenuRunner(menu, 0));
 210   delegate.BuildMenu(menu);
 211   delegate.BuildMenu(menu);
 212   EXPECT_TRUE(menu->HasSubmenu());
 213
 214   // Check top level menu items.
 215   views::SubmenuView* item_container = menu->GetSubmenu();
 216   EXPECT_EQ(5, item_container->child_count());
 217
 218   for (int i = 0; i < item_container->child_count(); ++i) {
 219     const MenuModelBase::Item& model_item = model.GetItemDefinition(i);
 220
 221     const int id = i + kRootIdBase;
 222     MenuItemView* item = menu->GetMenuItemByID(id);
 223     if (!item) {
 224       EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, model_item.type);
 225       continue;
 226     }
 227
 228     // Check placement.
 229     EXPECT_EQ(i, menu->GetSubmenu()->GetIndexOf(item));
 230
 231     // Check type.
 232     switch (model_item.type) {
 233       case ui::MenuModel::TYPE_COMMAND:
 234         EXPECT_EQ(views::MenuItemView::NORMAL, item->GetType());
 235         break;
 236       case ui::MenuModel::TYPE_CHECK:
 237         EXPECT_EQ(views::MenuItemView::CHECKBOX, item->GetType());
 238         break;
 239       case ui::MenuModel::TYPE_RADIO:
 240         EXPECT_EQ(views::MenuItemView::RADIO, item->GetType());
 241         break;
 242       case ui::MenuModel::TYPE_SEPARATOR:
 243       case ui::MenuModel::TYPE_BUTTON_ITEM:
 244         break;
 245       case ui::MenuModel::TYPE_SUBMENU:
 246         EXPECT_EQ(views::MenuItemView::SUBMENU, item->GetType());
 247         break;
 248     }
 249
 250     // Check activation.
 251     static_cast<views::MenuDelegate*>(&delegate)->ExecuteCommand(id);
 252     EXPECT_EQ(i, model.last_activation());
 253     model.set_last_activation(-1);
 254   }
 255
 256   // Check submenu items.
 257   views::MenuItemView* submenu = menu->GetMenuItemByID(103);
 258   views::SubmenuView* subitem_container = submenu->GetSubmenu();
 259   EXPECT_EQ(2, subitem_container->child_count());
 260
 261   for (int i = 0; i < subitem_container->child_count(); ++i) {
 262     MenuModelBase* submodel = static_cast<MenuModelBase*>(
 263         model.GetSubmenuModelAt(3));
 264     EXPECT_TRUE(submodel);
 265
 266     const MenuModelBase::Item& model_item = submodel->GetItemDefinition(i);
 267
 268     const int id = i + kSubmenuIdBase;
 269     MenuItemView* item = menu->GetMenuItemByID(id);
 270     if (!item) {
 271       EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, model_item.type);
 272       continue;
 273     }
 274
 275     // Check placement.
 276     EXPECT_EQ(i, submenu->GetSubmenu()->GetIndexOf(item));
 277
 278     // Check type.
 279     switch (model_item.type) {
 280       case ui::MenuModel::TYPE_COMMAND:
 281         EXPECT_EQ(views::MenuItemView::NORMAL, item->GetType());
 282         break;
 283       case ui::MenuModel::TYPE_CHECK:
 284         EXPECT_EQ(views::MenuItemView::CHECKBOX, item->GetType());
 285         break;
 286       case ui::MenuModel::TYPE_RADIO:
 287         EXPECT_EQ(views::MenuItemView::RADIO, item->GetType());
 288         break;
 289       case ui::MenuModel::TYPE_SEPARATOR:
 290       case ui::MenuModel::TYPE_BUTTON_ITEM:
 291         break;
 292       case ui::MenuModel::TYPE_SUBMENU:
 293         EXPECT_EQ(views::MenuItemView::SUBMENU, item->GetType());
 294         break;
 295     }
 296
 297     // Check activation.
 298     static_cast<views::MenuDelegate*>(&delegate)->ExecuteCommand(id);
 299     EXPECT_EQ(i, submodel->last_activation());
 300     submodel->set_last_activation(-1);
 301   }
 302
 303   // Check that selecting the root item is safe.  The MenuModel does
 304   // not care about the root so MenuModelAdapter should do nothing
 305   // (not hit the NOTREACHED check) when the root is selected.
 306   static_cast<views::MenuDelegate*>(&delegate)->SelectionChanged(menu);
 307 }
 308
 309 }  // namespace views