ui/base/x/x11_menu_list.cc

   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
  13 XMenuList* XMenuList::GetInstance() {
  14   return base::Singleton<XMenuList>::get();
  15 }
  16
  17 XMenuList::XMenuList()
  18     : menu_type_atom_(GetAtom("_NET_WM_WINDOW_TYPE_MENU")) {
  19 }
  20
  21 XMenuList::~XMenuList() {
  22   menus_.clear();
  23 }
  24
  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
  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
  42 void XMenuList::InsertMenuWindowXIDs(std::vector<XID>* stack) {
  43   stack->insert(stack->begin(), menus_.begin(), menus_.end());
  44 }
  45
  46 }  // namespace ui