xbmc/application/ApplicationActionListeners.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "ApplicationActionListeners.h"
  10
  11 #include "interfaces/IActionListener.h"
  12 #include "threads/CriticalSection.h"
  13
  14 #include <algorithm>
  15 #include <mutex>
  16
  17 CApplicationActionListeners::CApplicationActionListeners(CCriticalSection& section)
  18   : m_critSection(section)
  19 {
  20 }
  21
  22 void CApplicationActionListeners::RegisterActionListener(IActionListener* listener)
  23 {
  24   std::unique_lock<CCriticalSection> lock(m_critSection);
  25   const auto it = std::find(m_actionListeners.begin(), m_actionListeners.end(), listener);
  26   if (it == m_actionListeners.end())
  27     m_actionListeners.push_back(listener);
  28 }
  29
  30 void CApplicationActionListeners::UnregisterActionListener(IActionListener* listener)
  31 {
  32   std::unique_lock<CCriticalSection> lock(m_critSection);
  33   auto it = std::find(m_actionListeners.begin(), m_actionListeners.end(), listener);
  34   if (it != m_actionListeners.end())
  35     m_actionListeners.erase(it);
  36 }
  37
  38 bool CApplicationActionListeners::NotifyActionListeners(const CAction& action) const
  39 {
  40   std::unique_lock<CCriticalSection> lock(m_critSection);
  41   for (const auto& listener : m_actionListeners)
  42   {
  43     if (listener->OnAction(action))
  44       return true;
  45   }
  46
  47   return false;
  48 }