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From: Bharat Bhusan Panda <bharat.panda@samsung.com>
To: linux-bluetooth@vger.kernel.org
Cc: cpgs@samsung.com
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In-reply-to: <1445346988-12782-2-git-send-email-bharat.panda@samsung.com>
Subject: RE: [PATCH  2/3] audio/avrcp: Handle PlaylistChanged signal
Date: Fri, 27 Nov 2015 16:51:30 +0530
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> -----Original Message-----
> From: linux-bluetooth-owner@vger.kernel.org [mailto:linux-bluetooth-
> owner@vger.kernel.org] On Behalf Of Bharat Panda
> Sent: Tuesday, October 20, 2015 6:46 PM
> To: linux-bluetooth@vger.kernel.org
> Cc: cpgs@samsung.com; Bharat Panda
> Subject: [PATCH 2/3] audio/avrcp: Handle PlaylistChanged signal
> 
> Added signal handler for "PlaylistChanged" on MediaPlayer2.Playlists
> interface.
> ---
>  profiles/audio/media.c | 79
> ++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 79 insertions(+)
> 
> diff --git a/profiles/audio/media.c b/profiles/audio/media.c index
> 1b5246d..94fce79 100644
> --- a/profiles/audio/media.c
> +++ b/profiles/audio/media.c
> @@ -113,6 +113,7 @@ struct media_player {
>  	guint			watch;
>  	guint			properties_watch;
>  	guint			seek_watch;
> +	guint			playlist_watch;
>  	char			*status;
>  	uint32_t		position;
>  	uint32_t		duration;
> @@ -973,6 +974,7 @@ static void media_player_free(gpointer data)
>  	g_dbus_remove_watch(conn, mp->watch);
>  	g_dbus_remove_watch(conn, mp->properties_watch);
>  	g_dbus_remove_watch(conn, mp->seek_watch);
> +	g_dbus_remove_watch(conn, mp->playlist_watch);
> 
>  	if (mp->track)
>  		g_hash_table_unref(mp->track);
> @@ -1913,6 +1915,76 @@ static gboolean
> position_changed(DBusConnection *connection, DBusMessage *msg,
>  	return TRUE;
>  }
> 
> +static struct media_playlist *find_playlist_by_id(struct media_player
*mp,
> +						char *playlist_id)
> +{
> +	GSList *l;
> +
> +	for (l = mp->playlists; l; l = l->next) {
> +		struct media_playlist *playlist = l->data;
> +
> +		if (g_strcmp0(playlist->id, playlist_id) == 0) {
> +			return playlist;
> +		}
> +	}
> +
> +	return NULL;
> +}
> +
> +static gboolean playlist_changed(DBusConnection *connection,
> +						DBusMessage *msg,
> +						void *user_data)
> +{
> +	struct media_player *mp = user_data;
> +	struct media_playlist *playlist;
> +	DBusMessageIter iter;
> +	DBusMessageIter entry;
> +	char *playlist_id;
> +	char *name;
> +	char *icon;
> +
> +	dbus_message_iter_init(msg, &iter);
> +	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRUCT)
> +		return FALSE;
> +
> +	dbus_message_iter_recurse(&iter, &entry);
> +
> +	if (dbus_message_iter_get_arg_type(&entry) !=
> +			DBUS_TYPE_OBJECT_PATH)
> +		return FALSE;
> +
> +	dbus_message_iter_get_basic(&entry, &playlist_id);
> +
> +	dbus_message_iter_next(&entry);
> +	if (dbus_message_iter_get_arg_type(&entry) !=
> +			DBUS_TYPE_STRING)
> +		return FALSE;
> +
> +	dbus_message_iter_get_basic(&entry, &name);
> +
> +	dbus_message_iter_next(&entry);
> +	if (dbus_message_iter_get_arg_type(&entry) !=
> +			DBUS_TYPE_STRING)
> +		return FALSE;
> +
> +	dbus_message_iter_get_basic(&entry, &icon);
> +
> +	playlist = find_playlist_by_id(mp, playlist_id);
> +
> +	if (playlist) {
> +		playlist->name = g_strdup(name);
> +		playlist->icon = g_strdup(icon);
> +	} else {
> +		playlist = g_new0(struct media_playlist, 1);
> +
> +		playlist->id = playlist_id;
> +		playlist->name = g_strdup(name);
> +		playlist->icon = g_strdup(icon);
> +	}
> +
> +	return TRUE;
> +}
> +
>  static struct media_player *media_player_create(struct media_adapter
> *adapter,
>  						const char *sender,
>  						const char *path,
> @@ -1995,6 +2067,13 @@ static DBusMessage
> *register_player(DBusConnection *conn, DBusMessage *msg,
>  	if (!get_playlists(mp))
>  		DBG("Error fetching playlists");
> 
> +	mp->playlist_watch = g_dbus_add_signal_watch(conn,
> +					sender, path,
> +
> 	MEDIA_PLAYER_PLAYLIST_INTERFACE,
> +					"PlaylistChanged",
> +					playlist_changed,
> +					mp, NULL);
> +
>  	return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);  }
> 
> --
> 1.9.1
> 
> --
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