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1 // Copyright (c) 2014 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/base/x/x11_menu_list.h"
6 
7 #include "base/memory/singleton.h"
8 #include "ui/base/x/x11_util.h"
9 
10 namespace ui {
11 
12 // static
GetInstance()13 XMenuList* XMenuList::GetInstance() {
14   return Singleton<XMenuList>::get();
15 }
16 
XMenuList()17 XMenuList::XMenuList()
18     : menu_type_atom_(GetAtom("_NET_WM_WINDOW_TYPE_MENU")) {
19 }
20 
~XMenuList()21 XMenuList::~XMenuList() {
22   menus_.clear();
23 }
24 
MaybeRegisterMenu(XID menu)25 void XMenuList::MaybeRegisterMenu(XID menu) {
26   int value = 0;
27   if (!GetIntProperty(menu, "_NET_WM_WINDOW_TYPE", &value) ||
28       static_cast<XAtom>(value) != menu_type_atom_) {
29     return;
30   }
31   menus_.push_back(menu);
32 }
33 
MaybeUnregisterMenu(XID menu)34 void XMenuList::MaybeUnregisterMenu(XID menu) {
35   std::vector<XID>::iterator iter = std::find(menus_.begin(), menus_.end(),
36                                               menu);
37   if (iter == menus_.end())
38     return;
39   menus_.erase(iter);
40 }
41 
InsertMenuWindowXIDs(std::vector<XID> * stack)42 void XMenuList::InsertMenuWindowXIDs(std::vector<XID>* stack) {
43   stack->insert(stack->begin(), menus_.begin(), menus_.end());
44 }
45 
46 }  // namespace ui
47