Application.h

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/*
 For more information, please see: http://software.sci.utah.edu

 The MIT License

 Copyright (c) 2012 Scientific Computing and Imaging Institute,
 University of Utah.


 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
 to deal in the Software without restriction, including without limitation
 the rights to use, copy, modify, merge, publish, distribute, sublicense,
 and/or sell copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included
 in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 */

#ifndef CORE_APPLICATION_APPLICATION_H
#define CORE_APPLICATION_APPLICATION_H

#include <boost/filesystem/path.hpp>

#include <Core/Utils/Singleton.h>
#include <Core/CommandLine/CommandLine.h>
#include <Core/Command/CommandFactory.h>
#include <Core/Application/share.h>

namespace SCIRun {
  namespace Dataflow {
    namespace Engine {
      class NetworkEditorController;
    }}}

namespace SCIRun
{
namespace Core
{

/// @class Application
/// @brief Application is the thread that processes all the actions in the program.

class Application;
class ApplicationPrivate;
typedef boost::shared_ptr<ApplicationPrivate> ApplicationPrivateHandle;


class SCISHARE Application : boost::noncopyable //: public EventHandler, public RecursiveLockable
{
    CORE_SINGLETON( Application );

private:
    Application();
    virtual ~Application();

public:
  void readCommandLine(int argc, const char* argv[]);
  
  CommandLine::ApplicationParametersHandle parameters() const;
  boost::shared_ptr<SCIRun::Dataflow::Engine::NetworkEditorController> controller();

  void executeCommandLineRequests(Commands::GlobalCommandFactoryHandle cmdFactory);

  boost::filesystem::path executablePath() const;
  std::string commandHelpString() const;
  std::string version() const;

  /// @todo: following will be useful later
#if 0
public:
    void log_start();
    void log_finish();

  bool get_user_directory( boost::filesystem::path& user_dir, bool config_path = false );
    bool get_config_directory( boost::filesystem::path& config_dir );
    bool get_user_desktop_directory( boost::filesystem::path& user_desktop_dir );
    bool get_user_name( std::string& user_name );
    bool get_application_filepath( boost::filesystem::path& app_filepath );
    bool get_application_filename( boost::filesystem::path& app_filename );

    int get_process_id();

public:
    boost::signals2::signal< void () > reset_signal_;
    boost::signals2::signal< void () > application_start_signal_;
    boost::signals2::signal< void () > application_stop_signal_;
#endif

private:
    ApplicationPrivateHandle private_;
  
//public:
//  static bool IsApplicationThread();
//  static 
//  static int GetMajorVersion();
//  static int GetMinorVersion();
//  static int GetPatchVersion();
//  static bool Is64Bit();
//  static bool Is32Bit();
//  static std::string GetApplicationName();
//  static std::string GetReleaseName();
//  static std::string GetApplicationNameAndVersion();
//  static std::string GetAbout();
};

}}

//#define ASSERT_IS_APPLICATION_THREAD() assert( Core::Application::IsApplicationThread() )

#endif