/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2010 Oliver Duis <www.oliverduis.de>
 *
 *  RawTherapee 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "soundman.h"
#include "options.h"

#ifdef WIN32
#include <windows.h>
#include <mmsystem.h>
#endif

#ifdef __linux__
#include <canberra-gtk.h>
#endif

void SoundManager::init()
{
#ifdef WIN32
    // TODO: On Windows Vista/7 RT should register with the OS sound system, so
    // it can enjoy application specific volume, safed, process independent etc.
    // from the start. Function call is IAudioClient::Initialize Unfortunately
    // MinGW does not support this yet. If audioclient.h is available, add an
    // Init called once on program start.
    //
    // This mitigation plays an empty file on start, so RT is immediately
    // available in the Windows mixer at least
    playSoundAsync(Glib::ustring("sounds\\Empty.wav"));
#endif
}

// Plays a sound in async mode to not block the main thread
// param is either file name or name of the system event on Windows (e.g.
// "SystemAsterisk" or "SystemDefault").
void SoundManager::playSoundAsync(const Glib::ustring &sound)
{
    if (sound.empty() || !options.sndEnable) {
        return;
    }

#ifdef WIN32
    DWORD sndParam = SND_ASYNC | SND_NODEFAULT;

    if (sound.find('.') != Glib::ustring::npos) {
        // contain dot, so it's a filename
        sndParam |= SND_FILENAME;
    } else {
        // no dot, so it's a system event
        sndParam |= SND_ALIAS;
    }

    wchar_t *wfilename =
        (wchar_t *)g_utf8_to_utf16(sound.c_str(), -1, NULL, NULL, NULL);
    PlaySoundW(wfilename, NULL, sndParam);
    g_free(wfilename);
#elif defined(__linux__)
    ca_context_play(ca_gtk_context_get(), 0, CA_PROP_EVENT_ID, sound.c_str(),
                    CA_PROP_MEDIA_FILENAME, sound.c_str(), NULL);
#endif
}
