-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

- *

- * Copyright (C) 2008 Lennart Poettering <[email protected]>

- *

- * This program 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.

- *

- * 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 General Public License for more details.

- *

- * You should have received a copy of the GNU General Public License

- * along with this program; if not, write to the Free Software

- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

- *

- */

-

-#include "config.h"

-

-#include <sys/types.h>

-#include <sys/wait.h>

-#include <stdlib.h>

-#include <stdio.h>

-#include <unistd.h>

-#include <string.h>

-#include <errno.h>

-#include <signal.h>

-

-#include <locale.h>

-

-#include <glib.h>

-#include <glib/gi18n.h>

-#include <mateconf/mateconf-client.h>

-#include <gtk/gtk.h>

-

-#ifdef HAVE_PULSE

-#include <pulse/pulseaudio.h>

-#endif

-

-#include "msd-sound-manager.h"

-#include "mate-settings-profile.h"

-

-#define MSD_SOUND_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_SOUND_MANAGER, MsdSoundManagerPrivate))

-

-struct MsdSoundManagerPrivate

-{

- guint mateconf_notify;

- GList* monitors;

- guint timeout;

-};

-

-#define MATECONF_SOUND_DIR "/desktop/mate/sound"

-

-static void msd_sound_manager_class_init (MsdSoundManagerClass *klass);

-static void msd_sound_manager_init (MsdSoundManager *sound_manager);

-static void msd_sound_manager_finalize (GObject *object);

-

-G_DEFINE_TYPE (MsdSoundManager, msd_sound_manager, G_TYPE_OBJECT)

-

-static gpointer manager_object = NULL;

-

-#ifdef HAVE_PULSE

-

-static void

-sample_info_cb (pa_context *c, const pa_sample_info *i, int eol, void *userdata)

-{

- pa_operation *o;

-

- if (!i)

- return;

-

- g_debug ("Found sample %s", i->name);

-

- /* We only flush those samples which have an XDG sound name

- * attached, because only those originate from themeing */

- if (!(pa_proplist_gets (i->proplist, PA_PROP_EVENT_ID)))

- return;

-

- g_debug ("Dropping sample %s from cache", i->name);

-

- if (!(o = pa_context_remove_sample (c, i->name, NULL, NULL))) {

- g_debug ("pa_context_remove_sample (): %s", pa_strerror (pa_context_errno (c)));

- return;

- }

-

- pa_operation_unref (o);

-

- /* We won't wait until the operation is actually executed to

- * speed things up a bit.*/

-}

-

-static void

-flush_cache (void)

-{

- pa_mainloop *ml = NULL;

- pa_context *c = NULL;

- pa_proplist *pl = NULL;

- pa_operation *o = NULL;

-

- g_debug ("Flushing sample cache");

-

- if (!(ml = pa_mainloop_new ())) {

- g_debug ("Failed to allocate pa_mainloop");

- goto fail;

- }

-

- if (!(pl = pa_proplist_new ())) {

- g_debug ("Failed to allocate pa_proplist");

- goto fail;

- }

-

- pa_proplist_sets (pl, PA_PROP_APPLICATION_NAME, PACKAGE_NAME);

- pa_proplist_sets (pl, PA_PROP_APPLICATION_VERSION, PACKAGE_VERSION);

- pa_proplist_sets (pl, PA_PROP_APPLICATION_ID, "org.mate.SettingsDaemon");

-

- if (!(c = pa_context_new_with_proplist (pa_mainloop_get_api (ml), PACKAGE_NAME, pl))) {

- g_debug ("Failed to allocate pa_context");

- goto fail;

- }

-

- pa_proplist_free (pl);

- pl = NULL;

-

- if (pa_context_connect (c, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL) < 0) {

- g_debug ("pa_context_connect(): %s", pa_strerror (pa_context_errno (c)));

- goto fail;

- }

-

- /* Wait until the connection is established */

- while (pa_context_get_state (c) != PA_CONTEXT_READY) {

-

- if (!PA_CONTEXT_IS_GOOD (pa_context_get_state (c))) {

- g_debug ("Connection failed: %s", pa_strerror (pa_context_errno (c)));

- goto fail;

- }

-

- if (pa_mainloop_iterate (ml, TRUE, NULL) < 0) {

- g_debug ("pa_mainloop_iterate() failed");

- goto fail;

- }

- }

-

- /* Enumerate all cached samples */

- if (!(o = pa_context_get_sample_info_list (c, sample_info_cb, NULL))) {

- g_debug ("pa_context_get_sample_info_list(): %s", pa_strerror (pa_context_errno (c)));

- goto fail;

- }

-

- /* Wait until our operation is finished and there's nothing

- * more queued to send to the server */

- while (pa_operation_get_state (o) == PA_OPERATION_RUNNING || pa_context_is_pending (c)) {

-

- if (!PA_CONTEXT_IS_GOOD (pa_context_get_state (c))) {

- g_debug ("Connection failed: %s", pa_strerror (pa_context_errno (c)));

- goto fail;

- }

-

- if (pa_mainloop_iterate (ml, TRUE, NULL) < 0) {

- g_debug ("pa_mainloop_iterate() failed");

- goto fail;

- }

- }

-

- g_debug ("Sample cache flushed");

-

-fail:

- if (o) {

- pa_operation_cancel (o);

- pa_operation_unref (o);

- }

-

- if (c) {

- pa_context_disconnect (c);

- pa_context_unref (c);

- }

-

- if (pl)

- pa_proplist_free (pl);

-

- if (ml)

- pa_mainloop_free (ml);

-}

-

-static gboolean

-flush_cb (MsdSoundManager *manager)

-{

- flush_cache ();

- manager->priv->timeout = 0;

- return FALSE;

-}

-

-static void

-trigger_flush (MsdSoundManager *manager)

-{

-

- if (manager->priv->timeout)

- g_source_remove (manager->priv->timeout);

-

- /* We delay the flushing a bit so that we can coalesce

- * multiple changes into a single cache flush */

- manager->priv->timeout = g_timeout_add (500, (GSourceFunc) flush_cb, manager);

-}

-

-static void

-mateconf_client_notify_cb (MateConfClient *client,

- guint cnxn_id,

- MateConfEntry *entry,

- MsdSoundManager *manager)

-{

- trigger_flush (manager);

-}

-

-static gboolean

-register_config_callback (MsdSoundManager *manager, GError **error)

-{

- MateConfClient *client;

- gboolean succ;

-

- client = mateconf_client_get_default ();

-

- mateconf_client_add_dir (client, MATECONF_SOUND_DIR, MATECONF_CLIENT_PRELOAD_NONE, error);

- succ = !error || !*error;

-

- if (!error) {

- manager->priv->mateconf_notify = mateconf_client_notify_add (client, MATECONF_SOUND_DIR, (MateConfClientNotifyFunc) mateconf_client_notify_cb, manager, NULL, error);

- succ = !error || !*error;

- }

-

- g_object_unref (client);

-

- return succ;

-}

-

-static void

-file_monitor_changed_cb (GFileMonitor *monitor,

- GFile *file,

- GFile *other_file,

- GFileMonitorEvent event,

- MsdSoundManager *manager)

-{

- g_debug ("Theme dir changed");

- trigger_flush (manager);

-}

-

-static gboolean

-register_directory_callback (MsdSoundManager *manager,

- const char *path,

- GError **error)

-{

- GFile *f;

- GFileMonitor *m;

- gboolean succ = FALSE;

-

- g_debug ("Registering directory monitor for %s", path);

-

- f = g_file_new_for_path (path);

-

- m = g_file_monitor_directory (f, 0, NULL, error);

-

- if (m != NULL) {

- g_signal_connect (m, "changed", G_CALLBACK (file_monitor_changed_cb), manager);

-

- manager->priv->monitors = g_list_prepend (manager->priv->monitors, m);

-

- succ = TRUE;

- }

-

- g_object_unref (f);

-

- return succ;

-}

-

-#endif

-

-gboolean

-msd_sound_manager_start (MsdSoundManager *manager,

- GError **error)

-{

-

-#ifdef HAVE_PULSE

- char *p, **ps, **k;

- const char *env, *dd;

-#endif

-

- g_debug ("Starting sound manager");

- mate_settings_profile_start (NULL);

-

-#ifdef HAVE_PULSE

-

- /* We listen for change of the selected theme ... */

- register_config_callback (manager, NULL);

-

- /* ... and we listen to changes of the theme base directories

- * in $HOME ...*/

-

- if ((env = g_getenv ("XDG_DATA_HOME")) && *env == '/')

- p = g_build_filename (env, "sounds", NULL);

- else if (((env = g_getenv ("HOME")) && *env == '/') || (env = g_get_home_dir ()))

- p = g_build_filename (env, ".local", "share", "sounds", NULL);

- else

- p = NULL;

-

- if (p) {

- register_directory_callback (manager, p, NULL);

- g_free (p);

- }

-

- /* ... and globally. */

- if (!(dd = g_getenv ("XDG_DATA_DIRS")) || *dd == 0)

- dd = "/usr/local/share:/usr/share";

-

- ps = g_strsplit (dd, ":", 0);

-

- for (k = ps; *k; ++k)

- register_directory_callback (manager, *k, NULL);

-

- g_strfreev (ps);

-#endif

-

- mate_settings_profile_end (NULL);

-

- return TRUE;

-}

-

-void

-msd_sound_manager_stop (MsdSoundManager *manager)

-{

- g_debug ("Stopping sound manager");

-

-#ifdef HAVE_PULSE

- if (manager->priv->mateconf_notify != 0) {

- MateConfClient *client = mateconf_client_get_default ();

-

- mateconf_client_remove_dir (client, MATECONF_SOUND_DIR, NULL);

-

- mateconf_client_notify_remove (client, manager->priv->mateconf_notify);

- manager->priv->mateconf_notify = 0;

-

- g_object_unref (client);

- }

-

- if (manager->priv->timeout) {

- g_source_remove (manager->priv->timeout);

- manager->priv->timeout = 0;

- }

-

- while (manager->priv->monitors) {

- g_file_monitor_cancel (G_FILE_MONITOR (manager->priv->monitors->data));

- g_object_unref (manager->priv->monitors->data);

- manager->priv->monitors = g_list_delete_link (manager->priv->monitors, manager->priv->monitors);

- }

-#endif

-}

-

-static GObject *

-msd_sound_manager_constructor (

- GType type,

- guint n_construct_properties,

- GObjectConstructParam *construct_properties)

-{

- MsdSoundManager *m;

- MsdSoundManagerClass *klass;

-

- klass = MSD_SOUND_MANAGER_CLASS (g_type_class_peek (MSD_TYPE_SOUND_MANAGER));

-

- m = MSD_SOUND_MANAGER (G_OBJECT_CLASS (msd_sound_manager_parent_class)->constructor (

- type,

- n_construct_properties,

- construct_properties));

-

- return G_OBJECT (m);

-}

-

-static void

-msd_sound_manager_dispose (GObject *object)

-{

- MsdSoundManager *manager;

-

- manager = MSD_SOUND_MANAGER (object);

-

- msd_sound_manager_stop (manager);

-

- G_OBJECT_CLASS (msd_sound_manager_parent_class)->dispose (object);

-}

-

-static void

-msd_sound_manager_class_init (MsdSoundManagerClass *klass)

-{

- GObjectClass *object_class = G_OBJECT_CLASS (klass);

-

- object_class->constructor = msd_sound_manager_constructor;

- object_class->dispose = msd_sound_manager_dispose;

- object_class->finalize = msd_sound_manager_finalize;

-

- g_type_class_add_private (klass, sizeof (MsdSoundManagerPrivate));

-}

-

-static void

-msd_sound_manager_init (MsdSoundManager *manager)

-{

- manager->priv = MSD_SOUND_MANAGER_GET_PRIVATE (manager);

-}

-

-static void

-msd_sound_manager_finalize (GObject *object)

-{

- MsdSoundManager *sound_manager;

-

- g_return_if_fail (object != NULL);

- g_return_if_fail (MSD_IS_SOUND_MANAGER (object));

-

- sound_manager = MSD_SOUND_MANAGER (object);

-

- g_return_if_fail (sound_manager->priv);

-

- G_OBJECT_CLASS (msd_sound_manager_parent_class)->finalize (object);

-}

-

-MsdSoundManager *

-msd_sound_manager_new (void)

-{

- if (manager_object) {

- g_object_ref (manager_object);

- } else {

- manager_object = g_object_new (MSD_TYPE_SOUND_MANAGER, NULL);

- g_object_add_weak_pointer (manager_object, (gpointer *) &manager_object);

- }

-

- return MSD_SOUND_MANAGER (manager_object);

-}