/*
    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>

    This file is part of DCP-o-matic.

    DCP-o-matic is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    DCP-o-matic 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.

*/

/** @file  src/lib/cross.h
 *  @brief Cross-platform compatibility code.
 */

#ifndef DCPOMATIC_CROSS_H
#define DCPOMATIC_CROSS_H

#ifdef DCPOMATIC_OSX
#include <IOKit/pwr_mgt/IOPMLib.h>
#endif
#include <boost/filesystem.hpp>

#ifdef DCPOMATIC_WINDOWS
#define WEXITSTATUS(w) (w)
#endif

class Log;
struct AVIOContext;

void dcpomatic_sleep (int);
extern std::string cpu_info ();
extern void run_ffprobe (boost::filesystem::path, boost::filesystem::path);
extern std::list<std::pair<std::string, std::string> > mount_info ();
extern boost::filesystem::path openssl_path ();
#ifdef DCPOMATIC_OSX
extern boost::filesystem::path app_contents ();
#endif
#ifdef DCPOMATIC_WINDOWS
extern void maybe_open_console ();
#endif
extern boost::filesystem::path shared_path ();
extern FILE * fopen_boost (boost::filesystem::path, std::string);
extern int dcpomatic_fseek (FILE *, int64_t, int);
extern void start_batch_converter (boost::filesystem::path dcpomatic);
extern void start_player (boost::filesystem::path dcpomatic);
extern uint64_t thread_id ();
extern int avio_open_boost (AVIOContext** s, boost::filesystem::path file, int flags);
extern boost::filesystem::path home_directory ();
extern std::string command_and_read (std::string cmd);

/** @class Waker
 *  @brief A class which tries to keep the computer awake on various operating systems.
 *
 *  Create a Waker to prevent sleep, and call nudge() every so often (every minute or so).
 *  Destroy the Waker to allow sleep again.
 */
class Waker
{
public:
	Waker ();
	~Waker ();

	void nudge ();

private:
#ifdef DCPOMATIC_OSX
	IOPMAssertionID _assertion_id;
#endif
};

#endif