/**
 * Stone of Orthanc
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2018 Osimis S.A., Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "../../Framework/Viewport/WidgetViewport.h"
#include "../../Framework/Volumes/ISlicedVolume.h"
#include "../../Framework/Volumes/IVolumeLoader.h"

#include <list>
#include <boost/thread.hpp>
#include "../BasicApplicationContext.h"

namespace OrthancStone
{
  class BasicSdlApplicationContext : public BasicApplicationContext
  {
  private:

    static void UpdateThread(BasicSdlApplicationContext* that);

    boost::mutex        globalMutex_;
    std::unique_ptr<WidgetViewport>      centralViewport_;
    boost::thread       updateThread_;
    bool                stopped_;
    unsigned int        updateDelay_;

  public:
    class GlobalMutexLocker: public boost::noncopyable
    {
      boost::mutex::scoped_lock  lock_;
    public:
      GlobalMutexLocker(BasicSdlApplicationContext& that):
        lock_(that.globalMutex_)
      {}
    };

//    class ViewportLocker : public boost::noncopyable
//    {
//    private:
//      boost::mutex::scoped_lock  lock_;
//      IViewport&                 viewport_;

//    public:
//      ViewportLocker(BasicSdlApplicationContext& that) :
//        lock_(that.viewportMutex_),
//        viewport_(*(that.centralViewport_.get()))
//      {
//      }

//      IViewport& GetViewport() const
//      {
//        return viewport_;
//      }
//    };

    
    BasicSdlApplicationContext();

    virtual ~BasicSdlApplicationContext() {}

    virtual IWidget& SetCentralWidget(IWidget* widget);   // Takes ownership
    IViewport& GetCentralViewport() {return *(centralViewport_.get());}

    void Start();

    void Stop();

    void SetUpdateDelay(unsigned int delay)  // In milliseconds
    {
      updateDelay_ = delay;
    }
  };
}