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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/native_menu_views.h"
#include "base/logging.h"
#include "base/utf_string_conversions.h"
#include "ui/base/models/menu_model.h"
#include "ui/gfx/canvas_skia.h"
#include "ui/gfx/skia_util.h"
#include "views/controls/menu/menu_2.h"
#include "views/controls/menu/menu_item_view.h"
#include "views/controls/menu/menu_listener.h"
#include "views/controls/menu/menu_runner.h"
#include "views/controls/menu/submenu_view.h"
namespace views {
NativeMenuViews::NativeMenuViews(Menu2* menu)
: model_(menu->model()),
ALLOW_THIS_IN_INITIALIZER_LIST(root_(new MenuItemView(this))),
menu_runner_(new MenuRunner(root_)) {
}
NativeMenuViews::~NativeMenuViews() {
}
// MenuWrapper implementation:
void NativeMenuViews::RunMenuAt(const gfx::Point& point, int alignment) {
// TODO: this should really return the value from MenuRunner.
UpdateStates();
if (menu_runner_->RunMenuAt(NULL, NULL, gfx::Rect(point, gfx::Size()),
alignment == Menu2::ALIGN_TOPLEFT ? MenuItemView::TOPLEFT :
MenuItemView::TOPRIGHT, MenuRunner::HAS_MNEMONICS) ==
MenuRunner::MENU_DELETED)
return;
}
void NativeMenuViews::CancelMenu() {
NOTIMPLEMENTED();
}
void NativeMenuViews::Rebuild() {
if (SubmenuView* submenu = root_->GetSubmenu())
submenu->RemoveAllChildViews(true);
AddMenuItemsFromModel(root_, model_);
}
void NativeMenuViews::UpdateStates() {
SubmenuView* submenu = root_->CreateSubmenu();
UpdateMenuFromModel(submenu, model_);
}
gfx::NativeMenu NativeMenuViews::GetNativeMenu() const {
NOTIMPLEMENTED();
return NULL;
}
MenuWrapper::MenuAction NativeMenuViews::GetMenuAction() const {
NOTIMPLEMENTED();
return MENU_ACTION_NONE;
}
void NativeMenuViews::AddMenuListener(MenuListener* listener) {
NOTIMPLEMENTED();
}
void NativeMenuViews::RemoveMenuListener(MenuListener* listener) {
NOTIMPLEMENTED();
}
void NativeMenuViews::SetMinimumWidth(int width) {
NOTIMPLEMENTED();
}
// MenuDelegate implementation
bool NativeMenuViews::IsItemChecked(int cmd) const {
int index;
ui::MenuModel* model = model_;
if (!ui::MenuModel::GetModelAndIndexForCommandId(cmd, &model, &index))
return false;
return model->IsItemCheckedAt(index);
}
bool NativeMenuViews::IsCommandEnabled(int cmd) const {
int index;
ui::MenuModel* model = model_;
if (!ui::MenuModel::GetModelAndIndexForCommandId(cmd, &model, &index))
return false;
return model->IsEnabledAt(index);
}
void NativeMenuViews::ExecuteCommand(int cmd) {
int index;
ui::MenuModel* model = model_;
if (!ui::MenuModel::GetModelAndIndexForCommandId(cmd, &model, &index))
return;
model->ActivatedAt(index);
}
bool NativeMenuViews::GetAccelerator(int id, views::Accelerator* accelerator) {
int index;
ui::MenuModel* model = model_;
if (!ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index))
return false;
ui::Accelerator menu_accelerator;
if (!model->GetAcceleratorAt(index, &menu_accelerator))
return false;
*accelerator = views::Accelerator(menu_accelerator.key_code(),
menu_accelerator.modifiers());
return true;
}
// private
void NativeMenuViews::AddMenuItemsFromModel(MenuItemView* parent,
ui::MenuModel* model) {
for (int i = 0; i < model->GetItemCount(); ++i) {
int index = i + model->GetFirstItemIndex(NULL);
MenuItemView* child = parent->AppendMenuItemFromModel(model, index,
model->GetCommandIdAt(index));
if (child && child->GetType() == MenuItemView::SUBMENU) {
AddMenuItemsFromModel(child, model->GetSubmenuModelAt(index));
}
}
}
void NativeMenuViews::UpdateMenuFromModel(SubmenuView* menu,
ui::MenuModel* model) {
for (int i = 0, sep = 0; i < model->GetItemCount(); ++i) {
int index = i + model->GetFirstItemIndex(NULL);
if (model->GetTypeAt(index) == ui::MenuModel::TYPE_SEPARATOR) {
++sep;
continue;
}
// The submenu excludes the separators when counting the menu-items
// in it. So exclude the number of separators to get the correct index.
MenuItemView* mitem = menu->GetMenuItemAt(index - sep);
mitem->SetVisible(model->IsVisibleAt(index));
mitem->SetEnabled(model->IsEnabledAt(index));
if (model->IsItemDynamicAt(index)) {
mitem->SetTitle(model->GetLabelAt(index));
}
SkBitmap icon;
if (model->GetIconAt(index, &icon)) {
// TODO(atwilson): Support removing the icon dynamically
// (http://crbug.com/66508).
mitem->SetIcon(icon);
}
if (model->GetTypeAt(index) == ui::MenuModel::TYPE_SUBMENU) {
DCHECK(mitem->HasSubmenu());
UpdateMenuFromModel(mitem->GetSubmenu(), model->GetSubmenuModelAt(index));
}
}
}
// MenuWrapper, public:
// static
MenuWrapper* MenuWrapper::CreateWrapper(Menu2* menu) {
return new NativeMenuViews(menu);
}
} // namespace views
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