/*****************************************************************************
* Local prototypes
*****************************************************************************/
+
+/**
+ * This structure contains the active interaction dialogs, and is
+ * used by the manager
+ */
+struct interaction_t
+{
+ VLC_COMMON_MEMBERS
+
+ vlc_thread_t thread;
+ vlc_cond_t wait;
+
+ int i_dialogs; ///< Number of dialogs
+ interaction_dialog_t **pp_dialogs; ///< Dialogs
+ intf_thread_t *p_intf; ///< Interface to use
+ int i_last_id; ///< Last attributed ID
+};
+
static interaction_t * InteractionGet( vlc_object_t * );
-static void InteractionSearchInterface( interaction_t * );
-static void InteractionLoop( vlc_object_t * );
+static intf_thread_t * SearchInterface( interaction_t * );
+static void* InteractionLoop( void * );
static void InteractionManage( interaction_t * );
static interaction_dialog_t *DialogGetById( interaction_t* , int );
static int DialogSend( vlc_object_t *, interaction_dialog_t * );
#define DIALOG_INIT( type ) \
- DECMALLOC_ERR( p_new, interaction_dialog_t ); \
- memset( p_new, 0, sizeof( interaction_dialog_t ) ); \
+ interaction_dialog_t* p_new = calloc( 1, sizeof( interaction_dialog_t ) ); \
+ if( !p_new ) return VLC_EGENERIC; \
p_new->b_cancelled = false; \
- p_new->i_status = NEW_DIALOG; \
- p_new->i_flags = 0; \
- p_new->i_type = INTERACT_DIALOG_##type; \
- p_new->psz_returned[0] = NULL; \
+ p_new->i_status = NEW_DIALOG; \
+ p_new->i_flags = 0; \
+ p_new->i_type = INTERACT_DIALOG_##type; \
+ p_new->psz_returned[0] = NULL; \
p_new->psz_returned[1] = NULL
#define FORMAT_DESC \
p_dialog->i_status = UPDATED_DIALOG;
- vlc_object_signal_unlocked( p_interaction );
+ vlc_cond_signal( &p_interaction->wait );
vlc_object_unlock( p_interaction );
vlc_object_release( p_interaction );
}
p_new->i_type = INTERACT_DIALOG_TWOWAY;
p_new->psz_title = strdup( psz_title );
p_new->psz_description = strdup( psz_description );
- p_new->psz_default_button = strdup( _("Ok" ) );
+ p_new->psz_default_button = strdup( _("OK" ) );
p_new->psz_alternate_button = strdup( _("Cancel" ) );
p_new->i_flags = DIALOG_LOGIN_PW_OK_CANCEL;
p_dialog = DialogGetById( p_interaction, i_id );
if( p_dialog )
+ {
p_dialog->i_status = ANSWERED_DIALOG;
+ vlc_cond_signal( &p_interaction->wait );
+ }
vlc_object_unlock( p_interaction );
vlc_object_release( p_interaction );
/* Make sure we haven't yet created an interaction object */
assert( libvlc_priv(p_libvlc)->p_interaction == NULL );
- p_interaction = vlc_custom_create( p_libvlc, sizeof( *p_interaction ),
+ p_interaction = vlc_custom_create( VLC_OBJECT(p_libvlc),
+ sizeof( *p_interaction ),
VLC_OBJECT_GENERIC, "interaction" );
if( !p_interaction )
return NULL;
p_interaction->p_intf = NULL;
p_interaction->i_last_id = 0;
- if( vlc_thread_create( p_interaction, "Interaction control",
- InteractionLoop, VLC_THREAD_PRIORITY_LOW,
- false ) )
+ vlc_cond_init( &p_interaction->wait );
+
+ if( vlc_clone( &p_interaction->thread, InteractionLoop, p_interaction,
+ VLC_THREAD_PRIORITY_LOW ) )
{
msg_Err( p_interaction, "Interaction control thread creation failed, "
"interaction will not be displayed" );
return p_interaction;
}
+void interaction_Destroy( interaction_t *p_interaction )
+{
+ if( !p_interaction )
+ return;
+
+ vlc_cancel( p_interaction->thread );
+ vlc_join( p_interaction->thread, NULL );
+ vlc_cond_destroy( &p_interaction->wait );
+
+ /* Remove all dialogs - Interfaces must be able to clean up their data */
+ for( int i = p_interaction->i_dialogs -1 ; i >= 0; i-- )
+ {
+ interaction_dialog_t * p_dialog = p_interaction->pp_dialogs[i];
+ DialogDestroy( p_dialog );
+ REMOVE_ELEM( p_interaction->pp_dialogs, p_interaction->i_dialogs, i );
+ }
+ vlc_object_release( p_interaction );
+}
+
+static vlc_mutex_t intf_lock = VLC_STATIC_MUTEX;
+
+int interaction_Register( intf_thread_t *intf )
+{
+ libvlc_priv_t *priv = libvlc_priv( intf->p_libvlc );
+ int ret = VLC_EGENERIC;
+
+ vlc_mutex_lock( &intf_lock );
+ if( priv->p_interaction_intf == NULL )
+ { /* Since the interface is responsible for unregistering itself before
+ * it terminates, an object reference is not needed. */
+ priv->p_interaction_intf = intf;
+ ret = VLC_SUCCESS;
+ }
+ vlc_mutex_unlock( &intf_lock );
+ return ret;
+}
+
+int interaction_Unregister( intf_thread_t *intf )
+{
+ libvlc_priv_t *priv = libvlc_priv( intf->p_libvlc );
+ int ret = VLC_EGENERIC;
+
+ vlc_mutex_lock( &intf_lock );
+ if( priv->p_interaction_intf == intf )
+ {
+ priv->p_interaction_intf = NULL;
+ ret = VLC_SUCCESS;
+ }
+ vlc_mutex_unlock( &intf_lock );
+ return ret;
+}
+
/**********************************************************************
* The following functions are local
**********************************************************************/
{
interaction_t *obj = libvlc_priv(p_this->p_libvlc)->p_interaction;
if( obj )
- vlc_object_yield( obj );
+ vlc_object_hold( obj );
return obj;
}
-/* Look for an interface suitable for interaction */
-static void InteractionSearchInterface( interaction_t *p_interaction )
+/* Look for an interface suitable for interaction, and hold it. */
+static intf_thread_t *SearchInterface( interaction_t *p_interaction )
{
- vlc_list_t *p_list;
- int i_index;
-
- p_interaction->p_intf = NULL;
+ libvlc_priv_t *priv = libvlc_priv( p_interaction->p_libvlc );
+ intf_thread_t *intf;
- p_list = vlc_list_find( p_interaction, VLC_OBJECT_INTF, FIND_ANYWHERE );
- if( !p_list )
- {
- msg_Err( p_interaction, "unable to create module list" );
- return;
- }
+ vlc_mutex_lock( &intf_lock );
+ intf = priv->p_interaction_intf;
+ if( intf != NULL )
+ vlc_object_hold( intf );
+ vlc_mutex_unlock( &intf_lock );
- for( i_index = 0; i_index < p_list->i_count; i_index ++ )
- {
- intf_thread_t *p_intf = (intf_thread_t *)
- p_list->p_values[i_index].p_object;
- if( p_intf->b_interaction )
- {
- p_interaction->p_intf = p_intf;
- break;
- }
- }
- vlc_list_release ( p_list );
+ return intf;
}
/* Find an interaction dialog by its id */
{
interaction_t *p_interaction = InteractionGet( p_this );
+ if( !p_interaction )
+ return VLC_EGENERIC;
+
/* Get an id, if we don't already have one */
+ vlc_object_lock( p_interaction );
if( p_dialog->i_id == 0 )
p_dialog->i_id = ++p_interaction->i_last_id;
+ vlc_object_unlock( p_interaction );
- if( p_this->i_flags & OBJECT_FLAGS_NOINTERACT ) return VLC_EGENERIC;
+ if( p_this->i_flags & OBJECT_FLAGS_NOINTERACT )
+ {
+ vlc_object_release( p_interaction );
+ return VLC_EGENERIC;
+ }
if( config_GetInt( p_this, "interact" ) ||
p_dialog->i_flags & DIALOG_BLOCKING_ERROR ||
if( p_dialog->i_type == INTERACT_DIALOG_TWOWAY ) /* Wait for answer */
{
- vlc_object_signal_unlocked( p_interaction );
+ vlc_cond_signal( &p_interaction->wait );
while( p_dialog->i_status != ANSWERED_DIALOG &&
p_dialog->i_status != HIDING_DIALOG &&
p_dialog->i_status != HIDDEN_DIALOG &&
p_dialog->i_status = ANSWERED_DIALOG;
}
p_dialog->i_flags |= DIALOG_GOT_ANSWER;
- vlc_object_signal_unlocked( p_interaction );
+ vlc_cond_signal( &p_interaction->wait );
vlc_object_unlock( p_interaction );
vlc_object_release( p_interaction );
return p_dialog->i_return;
{
/* Pretend we already retrieved the "answer" */
p_dialog->i_flags |= DIALOG_GOT_ANSWER;
- vlc_object_signal_unlocked( p_interaction );
+ vlc_cond_signal( &p_interaction->wait );
vlc_object_unlock( p_interaction );
vlc_object_release( p_interaction );
return VLC_SUCCESS;
}
}
-static void InteractionLoop( vlc_object_t *p_this )
+static void* InteractionLoop( void *p_this )
{
- int i;
- interaction_t *p_interaction = (interaction_t*) p_this;
+ interaction_t *p_interaction = p_this;
- vlc_object_lock( p_this );
- while( vlc_object_alive( p_this ) )
+ vlc_object_lock( p_interaction );
+ mutex_cleanup_push( &(vlc_internals(p_interaction)->lock) );
+ for( ;; )
{
+ int canc = vlc_savecancel();
InteractionManage( p_interaction );
- vlc_object_wait( p_this );
- }
- vlc_object_unlock( p_this );
+ vlc_restorecancel( canc );
- /* Remove all dialogs - Interfaces must be able to clean up their data */
- for( i = p_interaction->i_dialogs -1 ; i >= 0; i-- )
- {
- interaction_dialog_t * p_dialog = p_interaction->pp_dialogs[i];
- DialogDestroy( p_dialog );
- REMOVE_ELEM( p_interaction->pp_dialogs, p_interaction->i_dialogs, i );
+ vlc_cond_wait( &p_interaction->wait, &(vlc_internals(p_interaction)->lock) );
}
+ vlc_cleanup_pop( );
+ assert( 0 );
}
/**
/* Nothing to do */
if( p_interaction->i_dialogs == 0 ) return;
- InteractionSearchInterface( p_interaction );
+ p_interaction->p_intf = SearchInterface( p_interaction );
if( !p_interaction->p_intf )
{
/* We mark all dialogs as answered with their "default" answer */
p_dialog->i_status = HIDING_DIALOG;
}
}
- else
- vlc_object_yield( p_interaction->p_intf );
for( i_index = 0 ; i_index < p_interaction->i_dialogs; i_index ++ )
{