/*
 * Copyright (C) 1997-1998 Stuart Parmenter and Elliot Lee
 * All rights reserved.
 *
 * This file is part of the Mate Library.
 *
 * The Mate Library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * The Mate Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with the Mate Library; see the file COPYING.LIB.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
/*
  @NOTATION@
 */

#include "config.h"

#include "libmate.h"
#include "mate-sound.h"

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <time.h>
#include <glib.h>

#ifdef HAVE_CANBERRA
	#include <canberra.h>
#endif

G_GNUC_INTERNAL void _mate_sound_set_enabled (gboolean);

#ifdef HAVE_CANBERRA

static gboolean mate_sound_enabled = TRUE;
static ca_context* global_context = NULL;

static ca_context* get_ca_context(const char* hostname)
{
	int rv;

	if (global_context != NULL)
		return global_context;

	if ((rv = ca_context_create(&global_context)) != CA_SUCCESS)
	{
		g_warning ("Failed to create canberra context: %s\n", ca_strerror(rv));
		global_context = NULL;
		return NULL;
	}

	if (hostname != NULL)
	{
		ca_context_change_props(global_context, CA_PROP_APPLICATION_PROCESS_HOST, hostname, NULL);
	}

	return global_context;
}

#endif /* HAVE_CANBERRA */

void G_GNUC_INTERNAL _mate_sound_set_enabled(gboolean enabled)
{
	#ifdef HAVE_CANBERRA
		mate_sound_enabled = enabled;
	#endif
}

/**
 * mate_sound_sample_load:
 * @sample_name: The name of the sample.
 * @filename: The filename where the audio is stored.
 *
 * Loads the audio from @filename and load it into the canberra cache for later
 * playing. Programs will rarely want to call this function directly. Use
 * mate_sound_play() instead for fire and forget sound playing.
 *
 * Returns: -1 or -2
 *
 * @Deprecated: 2.30: Use ca_context_cache() or ca_context_cache_full() instead
 */
int mate_sound_sample_load(const char* sample_name, const char* filename)
{
	#ifdef HAVE_CANBERRA
		ca_context* context;
		int rv;

		g_return_val_if_fail(sample_name != NULL, -2);

		if (!mate_sound_enabled)
			return -2;

		if (!filename || !*filename)
			return -2;

		if ((context = get_ca_context (NULL)) == NULL)
			return -1;

		rv = ca_context_cache(context, CA_PROP_MEDIA_NAME, sample_name, CA_PROP_MEDIA_FILENAME, filename, NULL);


		if (rv != CA_SUCCESS)
			g_warning ("Failed to cache sample '%s' from '%s': %s\n", sample_name, filename, ca_strerror(rv));

		return -1;
	#else /* !HAVE_CANBERRA */
		return -1;
	#endif
}

/**
 * mate_sound_play:
 * @filename: File containing the sound sample.
 *
 * Plays the audio stored in @filename, if possible. Fail quietly if playing is
 * not possible (due to missing sound support or for other reasons).
 *
 * @Deprecated: 2.30: Use ca_context_play(), ca_gtk_play_for_widget() or ca_gtk_play_for_event() instead
 */
void mate_sound_play(const char* filename)
{
	#ifdef HAVE_CANBERRA
		ca_context* context;
		int rv;

		if (!mate_sound_enabled)
			return;

		if (!filename || !*filename)
			return;

		if ((context = get_ca_context(NULL)) == NULL)
			return;

		rv = ca_context_play(context, 0, CA_PROP_MEDIA_FILENAME, filename, NULL);

		if (rv != CA_SUCCESS)
		{
			g_warning("Failed to play file '%s': %s\n", filename, ca_strerror(rv));
		}
	#endif
}

/**
 * mate_sound_init:
 * @hostname: Hostname where esd daemon resides.
 *
 * Initialize the esd connection.
 *
 * @Deprecated: 2.30
 */
void mate_sound_init(const char* hostname)
{
	#ifdef HAVE_CANBERRA
		get_ca_context (hostname);
	#endif
}

/**
 * mate_sound_shutdown:
 *
 * Shuts down the mate sound support.
 *
 * @Deprecated: 2.30
 */
void mate_sound_shutdown(void)
{
	#ifdef HAVE_ESD
		if (global_context != NULL)
		{
			ca_context_destroy (global_context);
			global_context = NULL;
		}
	#endif
}

/**
 * mate_sound_connection_get:
 *
 * Returns: -1
 *
 * @Deprecated: 2.30
 **/
int mate_sound_connection_get(void)
{
	return -1;
}