vaikene.ee Git - evaf/blob - src/libs/Common/registry.h

   1 /**
   2  * @file Common/registry.h
   3  * @brief Common registry implementation
   4  * @author Enar Vaikene
   5  *
   6  * Copyright (c) 2011-2019 Enar Vaikene
   7  *
   8  * This file is part of the eVaf C++ cross-platform application development framework.
   9  *
  10  * This file can be used under the terms of the GNU General Public License
  11  * version 3.0 as published by the Free Software Foundation and appearing in
  12  * the file LICENSE included in the packaging of this file. Please review the
  13  * the following information to ensure the GNU General Public License version
  14  * 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
  15  *
  16  * Alternatively, this file may be used in accordance with the Commercial License
  17  * Agreement provided with the Software.
  18  */
  19
  20 #ifndef __COMMON_REGISTRY_H
  21 #define __COMMON_REGISTRY_H
  22
  23 #include "iregistry.h"
  24
  25 #include <QObject>
  26 #include <QString>
  27 #include <QHash>
  28
  29 namespace eVaf {
  30 namespace Common {
  31 namespace Internal {
  32
  33 /**
  34  * iRegistry interface implementation.
  35  *
  36  * This class implements the global registry for interfaces. Interfaces are stored in a QHash container
  37  * and quarded with QWeakPointer.
  38  */
  39 class Registry : public iRegistry
  40 {
  41     Q_OBJECT
  42
  43 public:
  44
  45     Registry();
  46
  47     virtual ~Registry();
  48
  49     /*
  50         iRegistry interface
  51     */
  52
  53     virtual bool registerInterface(QString const & name, QObject * obj);
  54
  55     virtual QObject * queryInterface(QString const & name) const;
  56
  57
  58 private:
  59
  60     /// All the registered interfaces
  61     typedef QHash<QString, QObject *> Interfaces;
  62     Interfaces mInterfaces;
  63
  64
  65 private slots:
  66
  67     /// Interface object destroyed
  68     /// We need to remove the interface from the list of registered interfaces
  69     void interfaceDestroyed(QObject * obj = nullptr);
  70
  71 };
  72
  73 } // namespace eVaf::Common::Internal
  74 } // namespace eVaf::Common
  75 } // namespace eVaf
  76
  77 #endif // registry.h