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// Copyright (c) 2014 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 "ui/base/x/x11_menu_list.h"
#include <algorithm>
#include "base/memory/singleton.h"
#include "ui/base/x/x11_util.h"
namespace ui {
// static
XMenuList* XMenuList::GetInstance() {
return base::Singleton<XMenuList>::get();
}
XMenuList::XMenuList()
: menu_type_atom_(GetAtom("_NET_WM_WINDOW_TYPE_MENU")) {
}
XMenuList::~XMenuList() {
menus_.clear();
}
void XMenuList::MaybeRegisterMenu(XID menu) {
int value = 0;
if (!GetIntProperty(menu, "_NET_WM_WINDOW_TYPE", &value) ||
static_cast<XAtom>(value) != menu_type_atom_) {
return;
}
menus_.push_back(menu);
}
void XMenuList::MaybeUnregisterMenu(XID menu) {
std::vector<XID>::iterator iter = std::find(menus_.begin(), menus_.end(),
menu);
if (iter == menus_.end())
return;
menus_.erase(iter);
}
void XMenuList::InsertMenuWindowXIDs(std::vector<XID>* stack) {
stack->insert(stack->begin(), menus_.begin(), menus_.end());
}
} // namespace ui
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