notify.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:11k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * notify.c : libnotify notification plugin
- *****************************************************************************
- * Copyright (C) 2006-2009 the VideoLAN team
- * $Id: 6fa084af1bfda1805226444c465b636ab616ad3c $
- *
- * Authors: Christophe Mutricy <xtophe -at- videolan -dot- org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_interface.h>
- #include <vlc_playlist.h>
- #include <vlc_url.h>
- #include <gdk-pixbuf/gdk-pixbuf.h>
- #include <libnotify/notify.h>
- /*****************************************************************************
- * Module descriptor
- ****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close ( vlc_object_t * );
- #define APPLICATION_NAME "VLC media player"
- #define TIMEOUT_TEXT N_("Timeout (ms)")
- #define TIMEOUT_LONGTEXT N_("How long the notification will be displayed ")
- vlc_module_begin ()
- set_category( CAT_INTERFACE )
- set_subcategory( SUBCAT_INTERFACE_CONTROL )
- set_shortname( N_( "Notify" ) )
- set_description( N_("LibNotify Notification Plugin") )
- add_integer( "notify-timeout", 4000, NULL,
- TIMEOUT_TEXT, TIMEOUT_LONGTEXT, true )
- set_capability( "interface", 0 )
- set_callbacks( Open, Close )
- vlc_module_end ()
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static int ItemChange( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
- static int Notify( vlc_object_t *, const char *, GdkPixbuf *, intf_thread_t * );
- #define MAX_LENGTH 256
- struct intf_sys_t
- {
- NotifyNotification *notification;
- vlc_mutex_t lock;
- bool b_has_actions;
- };
- /*****************************************************************************
- * Open: initialize and create stuff
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- intf_thread_t *p_intf = (intf_thread_t *)p_this;
- intf_sys_t *p_sys = malloc( sizeof( *p_sys ) );
- if( !p_sys )
- return VLC_ENOMEM;
- if( !notify_init( APPLICATION_NAME ) )
- {
- free( p_sys );
- msg_Err( p_intf, "can't find notification daemon" );
- return VLC_EGENERIC;
- }
- p_intf->p_sys = p_sys;
- vlc_mutex_init( &p_sys->lock );
- p_sys->notification = NULL;
- p_sys->b_has_actions = false;
- GList *p_caps = notify_get_server_caps ();
- if( p_caps )
- {
- for( GList *c = p_caps; c != NULL; c = c->next )
- {
- if( !strcmp( (char*)c->data, "actions" ) )
- {
- p_sys->b_has_actions = true;
- break;
- }
- }
- g_list_foreach( p_caps, (GFunc)g_free, NULL );
- g_list_free( p_caps );
- }
- /* */
- playlist_t *p_playlist = pl_Hold( p_intf );
- var_AddCallback( p_playlist, "item-current", ItemChange, p_intf );
- pl_Release( p_intf );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Close: destroy interface stuff
- *****************************************************************************/
- static void Close( vlc_object_t *p_this )
- {
- intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
- intf_sys_t *p_sys = p_intf->p_sys;
- playlist_t *p_playlist = pl_Hold( p_this );
- var_DelCallback( p_playlist, "item-current", ItemChange, p_this );
- pl_Release( p_this );
- if( p_sys->notification )
- {
- GError *p_error = NULL;
- notify_notification_close( p_sys->notification, &p_error );
- g_object_unref( p_sys->notification );
- }
- vlc_mutex_destroy( &p_sys->lock );
- free( p_sys );
- notify_uninit();
- }
- /*****************************************************************************
- * ItemChange: Playlist item change callback
- *****************************************************************************/
- static int ItemChange( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *param )
- {
- VLC_UNUSED(psz_var); VLC_UNUSED(oldval); VLC_UNUSED(newval);
- char psz_tmp[MAX_LENGTH];
- char psz_notify[MAX_LENGTH];
- char *psz_title = NULL;
- char *psz_artist = NULL;
- char *psz_album = NULL;
- char *psz_arturl = NULL;
- input_thread_t *p_input = playlist_CurrentInput(
- (playlist_t*) p_this );
- intf_thread_t *p_intf = param;
- intf_sys_t *p_sys = p_intf->p_sys;
- if( !p_input )
- return VLC_SUCCESS;
- if( p_input->b_dead )
- {
- /* Not playing anything ... */
- vlc_object_release( p_input );
- return VLC_SUCCESS;
- }
- /* Wait a tad so the meta has been fetched
- * FIXME that's awfully wrong */
- msleep( 1000*4 );
- /* Playing something ... */
- input_item_t *p_input_item = input_GetItem( p_input );
- psz_artist = input_item_GetArtist( p_input_item );
- psz_album = input_item_GetAlbum( p_input_item );
- psz_title = input_item_GetTitleFbName( p_input_item );
- if( EMPTY_STR( psz_title ) )
- { /* Not enough metadata ... */
- free( psz_title );
- free( psz_artist );
- free( psz_album );
- vlc_object_release( p_input );
- return VLC_SUCCESS;
- }
- if( EMPTY_STR( psz_artist ) )
- {
- free( psz_artist );
- psz_artist = NULL;
- }
- if( EMPTY_STR( psz_album ) )
- {
- free( psz_album );
- psz_album = NULL;
- }
- if( psz_artist && psz_album )
- snprintf( psz_tmp, MAX_LENGTH, "<b>%s</b>n%sn[%s]",
- psz_title, psz_artist, psz_album );
- else if( psz_artist )
- snprintf( psz_tmp, MAX_LENGTH, "<b>%s</b>n%s",
- psz_title, psz_artist );
- else
- snprintf( psz_tmp, MAX_LENGTH, "<b>%s</b>", psz_title );
- free( psz_title );
- free( psz_artist );
- free( psz_album );
- GdkPixbuf *pix = NULL;
- psz_arturl = input_item_GetArtURL( p_input_item );
- vlc_object_release( p_input );
- if( psz_arturl && !strncmp( psz_arturl, "file://", 7 ) &&
- decode_URI( psz_arturl + 7 ) )
- { /* scale the art to show it in notify popup */
- GError *p_error = NULL;
- pix = gdk_pixbuf_new_from_file_at_scale( &psz_arturl[7],
- 72, 72, TRUE, &p_error );
- }
- else /* else we show state-of-the art logo */
- {
- GError *p_error = NULL;
- char *psz_pixbuf;
- if( asprintf( &psz_pixbuf, "%s/vlc48x48.png", config_GetDataDir() ) >= 0 )
- {
- pix = gdk_pixbuf_new_from_file( psz_pixbuf, &p_error );
- free( psz_pixbuf );
- }
- }
- free( psz_arturl );
- /* we need to replace '&' with '&' because '&' is a keyword of
- * notification-daemon parser */
- const int i_len = strlen( psz_tmp );
- int i_notify = 0;
- for( int i = 0; i < i_len && i_notify < ( MAX_LENGTH - 5 ); i++ )
- { /* we use MAX_LENGTH - 5 because if the last char of psz_tmp is '&'
- * we will need 5 more characters: 'amp; ' .
- * however that's unlikely to happen because the last char is ' ' */
- if( psz_tmp[i] != '&' )
- {
- psz_notify[i_notify] = psz_tmp[i];
- }
- else
- {
- snprintf( &psz_notify[i_notify], 6, "&" );
- i_notify += 4;
- }
- i_notify++;
- }
- psz_notify[i_notify] = ' ';
- vlc_mutex_lock( &p_sys->lock );
- Notify( p_this, psz_notify, pix, p_intf );
- vlc_mutex_unlock( &p_sys->lock );
- return VLC_SUCCESS;
- }
- static void Next( NotifyNotification *notification, gchar *psz, gpointer p )
- { /* libnotify callback, called when the "Next" button is pressed */
- vlc_object_t *p_object = (vlc_object_t*)p;
- VLC_UNUSED(psz);
- notify_notification_close( notification, NULL );
- playlist_t *p_playlist = pl_Hold( p_object );
- playlist_Next( p_playlist );
- pl_Release( p_object );
- }
- static void Prev( NotifyNotification *notification, gchar *psz, gpointer p )
- { /* libnotify callback, called when the "Previous" button is pressed */
- vlc_object_t *p_object = (vlc_object_t*)p;
- VLC_UNUSED(psz);
- notify_notification_close( notification, NULL );
- playlist_t *p_playlist = pl_Hold( p_object );
- playlist_Prev( p_playlist );
- pl_Release( p_object );
- }
- static int Notify( vlc_object_t *p_this, const char *psz_temp, GdkPixbuf *pix,
- intf_thread_t *p_intf )
- {
- intf_sys_t *p_sys = p_intf->p_sys;
- NotifyNotification * notification;
- /* Close previous notification if still active */
- if( p_sys->notification )
- {
- GError *p_error = NULL;
- notify_notification_close( p_sys->notification, &p_error );
- g_object_unref( p_sys->notification );
- }
- notification = notify_notification_new( _("Now Playing"),
- psz_temp, NULL, NULL );
- notify_notification_set_timeout( notification,
- config_GetInt(p_this, "notify-timeout") );
- notify_notification_set_urgency( notification, NOTIFY_URGENCY_LOW );
- if( pix )
- {
- notify_notification_set_icon_from_pixbuf( notification, pix );
- gdk_pixbuf_unref( pix );
- }
- /* Adds previous and next buttons in the notification if actions are supported. */
- if( p_sys->b_has_actions )
- {
- notify_notification_add_action( notification, "previous", _("Previous"), Prev,
- (gpointer*)p_intf, NULL );
- notify_notification_add_action( notification, "next", _("Next"), Next,
- (gpointer*)p_intf, NULL );
- }
- notify_notification_show( notification, NULL);
- /* Stores the notification to be able to close it */
- p_sys->notification = notification;
- return VLC_SUCCESS;
- }