#include "content/nw/src/browser/menubar_controller.h"

#include "base/stl_util.h"

#include "content/nw/src/browser/menubar_view.h"

#include "ui/views/controls/button/menu_button.h"

#include "ui/views/controls/menu/menu_item_view.h"

#include "ui/views/widget/widget.h"

namespace nw {

MenuBarController::ModelToMenuMap MenuBarController::model_to_menu_map_;

MenuBarController* MenuBarController::master_;

MenuBarController::MenuBarController(MenuBarView* menubar, ui::MenuModel* menu_model, MenuBarController* master)

:MenuModelAdapter(menu_model), menubar_(menubar) {

views::MenuItemView* menu = MenuBarController::CreateMenu(menubar, menu_model, this);

if (!master) {

master_ = this;

menu_runner_.reset(new views::MenuRunner(menu, views::MenuRunner::HAS_MNEMONICS));

}

}

MenuBarController::~MenuBarController() {

if (master_ == this) {

STLDeleteElements(&controllers_);

model_to_menu_map_.clear();

}

}

views::MenuItemView* MenuBarController::GetSiblingMenu(

views::MenuItemView* menu,

const gfx::Point& screen_point,

views::MenuAnchorPosition* anchor,

bool* has_mnemonics,

views::MenuButton** button) {

if (!menubar_)

return NULL;

gfx::Point menubar_loc(screen_point);

views::View::ConvertPointFromScreen(menubar_, &menubar_loc);

ui::MenuModel* model;

if (!menubar_->GetMenuButtonAtLocation(menubar_loc, &model, button))

return NULL;

*has_mnemonics = false;

*anchor = views::MENU_ANCHOR_TOPLEFT;

if (!model_to_menu_map_[model]) {

MenuBarController* controller = new MenuBarController(menubar_, model, master_);

CreateMenu(menubar_, model, controller);

controllers_.push_back(controller);

}

return model_to_menu_map_[model];

}

views::MenuItemView* MenuBarController::CreateMenu(MenuBarView* menubar,

ui::MenuModel* model,

MenuBarController* controller) {

views::MenuItemView* menu = new views::MenuItemView(controller);

controller->BuildMenu(menu);

model_to_menu_map_[model] = menu;

return menu;

}

void MenuBarController::RunMenuAt(views::View* view, const gfx::Point& point) {

ignore_result(menu_runner_->RunMenuAt(view->GetWidget()->GetTopLevelWidget(),

static_cast<views::MenuButton*>(view),

gfx::Rect(point, gfx::Size()),

views::MENU_ANCHOR_TOPRIGHT,

ui::MENU_SOURCE_NONE));

delete this;

}

} //namespace nw