src/gui/guiapplicationcomponent.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #pragma once
  30
  31 #include "base/applicationcomponent.h"
  32
  33 class IGUIApplication;
  34
  35 template <typename Base>
  36 class GUIApplicationComponent : public Base, public ApplicationComponentBase
  37 {
  38 public:
  39     template <typename... Args>
  40     explicit GUIApplicationComponent(IGUIApplication *app, Args&&... args)
  41         : Base(std::forward<Args>(args)...)
  42         , ApplicationComponentBase(reinterpret_cast<IApplication *>(app))
  43     {
  44     }
  45
  46     IGUIApplication *app() const
  47     {
  48         return reinterpret_cast<IGUIApplication *>(ApplicationComponentBase::app());
  49     }
  50 };
  51
  52 template <IsApplicationComponent Base>
  53 class GUIApplicationComponent<Base> : public Base
  54 {
  55 public:
  56     template <typename... Args>
  57     explicit GUIApplicationComponent(IGUIApplication *app, Args&&... args)
  58         : Base(reinterpret_cast<IApplication *>(app), std::forward<Args>(args)...)
  59     {
  60     }
  61
  62     IGUIApplication *app() const
  63     {
  64         return reinterpret_cast<IGUIApplication *>(ApplicationComponentBase::app());
  65     }
  66 };