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| 1 // Copyright (c) 2011 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/native_menu_views.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/utf_string_conversions.h" | |
| 9 #include "ui/base/models/menu_model.h" | |
| 10 #include "ui/gfx/canvas_skia.h" | |
| 11 #include "ui/gfx/skia_util.h" | |
| 12 #include "ui/views/controls/menu/menu_2.h" | |
| 13 #include "ui/views/controls/menu/menu_item_view.h" | |
| 14 #include "ui/views/controls/menu/menu_listener.h" | |
| 15 #include "ui/views/controls/menu/menu_runner.h" | |
| 16 #include "ui/views/controls/menu/submenu_view.h" | |
| 17 | |
| 18 namespace views { | |
| 19 | |
| 20 NativeMenuViews::NativeMenuViews(Menu2* menu) | |
| 21 : model_(menu->model()), | |
| 22 ALLOW_THIS_IN_INITIALIZER_LIST(root_(new MenuItemView(this))), | |
| 23 menu_runner_(new MenuRunner(root_)) { | |
| 24 } | |
| 25 | |
| 26 NativeMenuViews::~NativeMenuViews() { | |
| 27 } | |
| 28 | |
| 29 // MenuWrapper implementation: | |
| 30 void NativeMenuViews::RunMenuAt(const gfx::Point& point, int alignment) { | |
| 31 // TODO: this should really return the value from MenuRunner. | |
| 32 UpdateStates(); | |
| 33 if (menu_runner_->RunMenuAt(NULL, NULL, gfx::Rect(point, gfx::Size()), | |
| 34 alignment == Menu2::ALIGN_TOPLEFT ? MenuItemView::TOPLEFT : | |
| 35 MenuItemView::TOPRIGHT, MenuRunner::HAS_MNEMONICS) == | |
| 36 MenuRunner::MENU_DELETED) | |
| 37 return; | |
| 38 } | |
| 39 | |
| 40 void NativeMenuViews::CancelMenu() { | |
| 41 NOTIMPLEMENTED(); | |
| 42 } | |
| 43 | |
| 44 void NativeMenuViews::Rebuild() { | |
| 45 if (SubmenuView* submenu = root_->GetSubmenu()) | |
| 46 submenu->RemoveAllChildViews(true); | |
| 47 AddMenuItemsFromModel(root_, model_); | |
| 48 } | |
| 49 | |
| 50 void NativeMenuViews::UpdateStates() { | |
| 51 SubmenuView* submenu = root_->CreateSubmenu(); | |
| 52 UpdateMenuFromModel(submenu, model_); | |
| 53 } | |
| 54 | |
| 55 gfx::NativeMenu NativeMenuViews::GetNativeMenu() const { | |
| 56 NOTIMPLEMENTED(); | |
| 57 return NULL; | |
| 58 } | |
| 59 | |
| 60 MenuWrapper::MenuAction NativeMenuViews::GetMenuAction() const { | |
| 61 NOTIMPLEMENTED(); | |
| 62 return MENU_ACTION_NONE; | |
| 63 } | |
| 64 | |
| 65 void NativeMenuViews::AddMenuListener(MenuListener* listener) { | |
| 66 NOTIMPLEMENTED(); | |
| 67 } | |
| 68 | |
| 69 void NativeMenuViews::RemoveMenuListener(MenuListener* listener) { | |
| 70 NOTIMPLEMENTED(); | |
| 71 } | |
| 72 | |
| 73 void NativeMenuViews::SetMinimumWidth(int width) { | |
| 74 NOTIMPLEMENTED(); | |
| 75 } | |
| 76 | |
| 77 // MenuDelegate implementation | |
| 78 | |
| 79 bool NativeMenuViews::IsItemChecked(int cmd) const { | |
| 80 int index; | |
| 81 ui::MenuModel* model = model_; | |
| 82 if (!ui::MenuModel::GetModelAndIndexForCommandId(cmd, &model, &index)) | |
| 83 return false; | |
| 84 return model->IsItemCheckedAt(index); | |
| 85 } | |
| 86 | |
| 87 bool NativeMenuViews::IsCommandEnabled(int cmd) const { | |
| 88 int index; | |
| 89 ui::MenuModel* model = model_; | |
| 90 if (!ui::MenuModel::GetModelAndIndexForCommandId(cmd, &model, &index)) | |
| 91 return false; | |
| 92 return model->IsEnabledAt(index); | |
| 93 } | |
| 94 | |
| 95 void NativeMenuViews::ExecuteCommand(int cmd) { | |
| 96 int index; | |
| 97 ui::MenuModel* model = model_; | |
| 98 if (!ui::MenuModel::GetModelAndIndexForCommandId(cmd, &model, &index)) | |
| 99 return; | |
| 100 model->ActivatedAt(index); | |
| 101 } | |
| 102 | |
| 103 bool NativeMenuViews::GetAccelerator(int id, ui::Accelerator* accelerator) { | |
| 104 int index; | |
| 105 ui::MenuModel* model = model_; | |
| 106 if (!ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) | |
| 107 return false; | |
| 108 | |
| 109 ui::Accelerator menu_accelerator; | |
| 110 if (!model->GetAcceleratorAt(index, &menu_accelerator)) | |
| 111 return false; | |
| 112 | |
| 113 *accelerator = ui::Accelerator(menu_accelerator.key_code(), | |
| 114 menu_accelerator.modifiers()); | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 // private | |
| 119 void NativeMenuViews::AddMenuItemsFromModel(MenuItemView* parent, | |
| 120 ui::MenuModel* model) { | |
| 121 for (int i = 0; i < model->GetItemCount(); ++i) { | |
| 122 int index = i + model->GetFirstItemIndex(NULL); | |
| 123 MenuItemView* child = parent->AppendMenuItemFromModel(model, index, | |
| 124 model->GetCommandIdAt(index)); | |
| 125 | |
| 126 if (child && child->GetType() == MenuItemView::SUBMENU) { | |
| 127 AddMenuItemsFromModel(child, model->GetSubmenuModelAt(index)); | |
| 128 } | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 void NativeMenuViews::UpdateMenuFromModel(SubmenuView* menu, | |
| 133 ui::MenuModel* model) { | |
| 134 for (int i = 0, sep = 0; i < model->GetItemCount(); ++i) { | |
| 135 int index = i + model->GetFirstItemIndex(NULL); | |
| 136 if (model->GetTypeAt(index) == ui::MenuModel::TYPE_SEPARATOR) { | |
| 137 ++sep; | |
| 138 continue; | |
| 139 } | |
| 140 | |
| 141 // The submenu excludes the separators when counting the menu-items | |
| 142 // in it. So exclude the number of separators to get the correct index. | |
| 143 MenuItemView* mitem = menu->GetMenuItemAt(index - sep); | |
| 144 mitem->SetVisible(model->IsVisibleAt(index)); | |
| 145 mitem->SetEnabled(model->IsEnabledAt(index)); | |
| 146 if (model->IsItemDynamicAt(index)) { | |
| 147 mitem->SetTitle(model->GetLabelAt(index)); | |
| 148 } | |
| 149 | |
| 150 SkBitmap icon; | |
| 151 if (model->GetIconAt(index, &icon)) { | |
| 152 // TODO(atwilson): Support removing the icon dynamically | |
| 153 // (http://crbug.com/66508). | |
| 154 mitem->SetIcon(icon); | |
| 155 } | |
| 156 | |
| 157 if (model->GetTypeAt(index) == ui::MenuModel::TYPE_SUBMENU) { | |
| 158 DCHECK(mitem->HasSubmenu()); | |
| 159 UpdateMenuFromModel(mitem->GetSubmenu(), model->GetSubmenuModelAt(index)); | |
| 160 } | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 // MenuWrapper, public: | |
| 165 | |
| 166 // static | |
| 167 MenuWrapper* MenuWrapper::CreateWrapper(Menu2* menu) { | |
| 168 return new NativeMenuViews(menu); | |
| 169 } | |
| 170 | |
| 171 } // namespace views | |
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