/*****************************************************************************
* interaction.c: User interaction functions
*****************************************************************************
- * Copyright (C) 2005-2006 the VideoLAN team
+ * Copyright © 2005-2008 the VideoLAN team
* $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
#include <vlc/vlc.h>
-#include <stdlib.h> /* free(), strtol() */
-#include <stdio.h> /* FILE */
-#include <string.h>
-
#include <vlc_interface.h>
-#include <vlc_playlist.h>
-#include "interface.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static void InteractionInit( playlist_t *p_playlist );
-static interaction_t * InteractionGet( vlc_object_t *p_this );
-static void InteractionSearchInterface( interaction_t *
- p_interaction );
-static interaction_dialog_t *DialogGetById( interaction_t* , int );
-static void DialogDestroy( interaction_dialog_t *p_dialog );
-static int DialogSend( vlc_object_t *p_this, interaction_dialog_t *p_dialog );
-
-/**
- * Destroy the interaction system
- *
- * \param The interaction object to destroy
- * \return nothing
- */
-void intf_InteractionDestroy( interaction_t *p_interaction )
-{
- int i;
- // 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_object_release( p_interaction );
-}
-
-/**
- * The main interaction processing loop
- * This function is called from the playlist loop
- *
- * \param p_playlist the parent playlist
- * \return nothing
- */
-void intf_InteractionManage( playlist_t *p_playlist )
-{
- vlc_value_t val;
- int i_index;
- interaction_t *p_interaction = p_playlist->p_interaction;
-
- // Nothing to do
- if( p_interaction->i_dialogs == 0 ) return;
-
- vlc_mutex_lock( &p_interaction->object_lock );
+static interaction_t * InteractionInit( libvlc_int_t * );
+static interaction_t * InteractionGet( vlc_object_t * );
+static void InteractionSearchInterface( interaction_t * );
+static void InteractionLoop( vlc_object_t * );
+static void InteractionManage( interaction_t * );
- InteractionSearchInterface( p_interaction );
- if( !p_interaction->p_intf )
- {
- // We mark all dialogs as answered with their "default" answer
- for( i_index = 0 ; i_index < p_interaction->i_dialogs; i_index ++ )
- {
- interaction_dialog_t *p_dialog = p_interaction->pp_dialogs[i_index];
- p_dialog->i_return = DIALOG_DEFAULT; // Give default answer
-
- // Pretend we have hidden and destroyed it
- if( p_dialog->i_status == HIDDEN_DIALOG )
- p_dialog->i_status = DESTROYED_DIALOG;
- else
- 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 ++ )
- {
- interaction_dialog_t *p_dialog = p_interaction->pp_dialogs[i_index];
- switch( p_dialog->i_status )
- {
- case ANSWERED_DIALOG:
- // Ask interface to hide it
- p_dialog->i_action = INTERACT_HIDE;
- val.p_address = p_dialog;
- if( p_interaction->p_intf )
- var_Set( p_interaction->p_intf, "interaction", val );
- p_dialog->i_status = HIDING_DIALOG;
- break;
- case UPDATED_DIALOG:
- p_dialog->i_action = INTERACT_UPDATE;
- val.p_address = p_dialog;
- if( p_interaction->p_intf )
- var_Set( p_interaction->p_intf, "interaction", val );
- p_dialog->i_status = SENT_DIALOG;
- break;
- case HIDDEN_DIALOG:
- if( !(p_dialog->i_flags & DIALOG_GOT_ANSWER) ) break;
- p_dialog->i_action = INTERACT_DESTROY;
- val.p_address = p_dialog;
- if( p_interaction->p_intf )
- var_Set( p_interaction->p_intf, "interaction", val );
- break;
- case DESTROYED_DIALOG:
- // Interface has now destroyed it, remove it
- REMOVE_ELEM( p_interaction->pp_dialogs, p_interaction->i_dialogs,
- i_index);
- i_index--;
- DialogDestroy( p_dialog );
- break;
- case NEW_DIALOG:
- // This is truly a new dialog, send it.
- p_dialog->i_action = INTERACT_NEW;
- val.p_address = p_dialog;
- if( p_interaction->p_intf )
- var_Set( p_interaction->p_intf, "interaction", val );
- p_dialog->i_status = SENT_DIALOG;
- break;
- }
- }
-
- if( p_interaction->p_intf )
- {
- vlc_object_release( p_interaction->p_intf );
- }
-
- vlc_mutex_unlock( &p_playlist->p_interaction->object_lock );
-}
+static interaction_dialog_t *DialogGetById( interaction_t* , int );
+static void DialogDestroy( interaction_dialog_t * );
+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 ) ); \
- p_new->b_cancelled = VLC_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->psz_returned[1] = NULL;
+ DECMALLOC_ERR( p_new, interaction_dialog_t ); \
+ memset( p_new, 0, sizeof( interaction_dialog_t ) ); \
+ p_new->b_cancelled = VLC_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->psz_returned[1] = NULL
#define FORMAT_DESC \
va_start( args, psz_format ); \
- vasprintf( &p_new->psz_description, psz_format, args ); \
- va_end( args );
+ if( vasprintf( &p_new->psz_description, psz_format, args ) == -1 ) \
+ return VLC_EGENERIC; \
+ va_end( args )
/**
* Send an error message, both in a blocking and non-blocking way
DIALOG_INIT( ONEWAY );
p_new->psz_title = strdup( psz_title );
- FORMAT_DESC
+ FORMAT_DESC;
p_new->i_flags = DIALOG_WARNING;
if( !p_interaction ) return;
- vlc_mutex_lock( &p_interaction->object_lock );
+ vlc_object_lock( p_interaction );
p_dialog = DialogGetById( p_interaction, i_id );
if( !p_dialog )
{
- vlc_mutex_unlock( &p_interaction->object_lock ) ;
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
return;
}
p_dialog->i_timeToGo = i_time;
p_dialog->i_status = UPDATED_DIALOG;
- vlc_mutex_unlock( &p_interaction->object_lock) ;
- playlist_Signal( pl_Get( p_this ) );
+ vlc_object_signal_unlocked( p_interaction );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
}
/**
if( !p_interaction ) return VLC_TRUE;
- vlc_mutex_lock( &p_interaction->object_lock );
+ vlc_object_lock( p_interaction );
p_dialog = DialogGetById( p_interaction, i_id );
if( !p_dialog )
{
- vlc_mutex_unlock( &p_interaction->object_lock ) ;
+ vlc_object_unlock( p_interaction ) ;
+ vlc_object_release( p_interaction );
return VLC_TRUE;
}
b_cancel = p_dialog->b_cancelled;
- vlc_mutex_unlock( &p_interaction->object_lock );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
return b_cancel;
}
* \return Clicked button code
*/
int __intf_UserLoginPassword( vlc_object_t *p_this,
- const char *psz_title,
- const char *psz_description,
- char **ppsz_login,
- char **ppsz_password )
+ const char *psz_title,
+ const char *psz_description,
+ char **ppsz_login,
+ char **ppsz_password )
{
int i_ret;
DIALOG_INIT( TWOWAY );
if( i_ret != DIALOG_CANCELLED && i_ret != VLC_EGENERIC )
{
*ppsz_login = p_new->psz_returned[0]?
- strdup( p_new->psz_returned[0] ) : NULL;
+ strdup( p_new->psz_returned[0] ) : NULL;
*ppsz_password = p_new->psz_returned[1]?
- strdup( p_new->psz_returned[1] ) : NULL;
+ strdup( p_new->psz_returned[1] ) : NULL;
}
return i_ret;
}
* \return Clicked button code
*/
int __intf_UserStringInput( vlc_object_t *p_this,
- const char *psz_title,
- const char *psz_description,
- char **ppsz_usersString )
+ const char *psz_title,
+ const char *psz_description,
+ char **ppsz_usersString )
{
int i_ret;
DIALOG_INIT( TWOWAY );
if( i_ret != DIALOG_CANCELLED )
{
*ppsz_usersString = p_new->psz_returned[0]?
- strdup( p_new->psz_returned[0] ) : NULL;
+ strdup( p_new->psz_returned[0] ) : NULL;
}
return i_ret;
}
if( !p_interaction ) return;
- vlc_mutex_lock( &p_interaction->object_lock );
+ vlc_object_lock( p_interaction );
p_dialog = DialogGetById( p_interaction, i_id );
- if( !p_dialog )
- {
- vlc_mutex_unlock( &p_interaction->object_lock );
- return;
- }
+ if( p_dialog )
+ p_dialog->i_status = ANSWERED_DIALOG;
- p_dialog->i_status = ANSWERED_DIALOG;
- vlc_mutex_unlock( &p_interaction->object_lock );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
}
/**********************************************************************
/* Get the interaction object. Create it if needed */
static interaction_t * InteractionGet( vlc_object_t *p_this )
{
- interaction_t *p_interaction;
- playlist_t *p_playlist = pl_Yield( p_this );
-
- PL_LOCK;
- if( p_playlist->p_interaction == NULL )
- InteractionInit( p_playlist );
+ interaction_t *p_interaction =
+ vlc_object_find( p_this, VLC_OBJECT_INTERACTION, FIND_ANYWHERE );
- p_interaction = p_playlist->p_interaction;
- PL_UNLOCK;
+ if( !p_interaction )
+ p_interaction = InteractionInit( p_this->p_libvlc );
- pl_Release( p_this );
return p_interaction;
}
/* Create the interaction object in the given playlist object */
-static void InteractionInit( playlist_t *p_playlist )
+static interaction_t * InteractionInit( libvlc_int_t *p_libvlc )
{
- interaction_t *p_interaction = vlc_object_create( VLC_OBJECT( p_playlist ),
- sizeof( interaction_t ) );
- if( !p_interaction )
+ interaction_t *p_interaction =
+ vlc_object_create( p_libvlc, VLC_OBJECT_INTERACTION );
+
+ if( p_interaction )
{
- msg_Err( p_playlist,"out of memory" );
- return;
+ vlc_object_attach( p_interaction, p_libvlc );
+
+ p_interaction->i_dialogs = 0;
+ p_interaction->pp_dialogs = 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,
+ VLC_FALSE ) )
+ {
+ msg_Err( p_interaction, "Interaction control thread creation failed"
+ ", interaction will not be displayed" );
+ vlc_object_detach( p_interaction );
+ vlc_object_release( p_interaction );
+ p_interaction = NULL;
+ }
+ else
+ vlc_object_yield( p_interaction );
}
- p_interaction->psz_object_name = "interaction";
- p_interaction->i_dialogs = 0;
- p_interaction->pp_dialogs = NULL;
- p_interaction->p_intf = NULL;
- p_interaction->i_last_id = 0;
-
- vlc_mutex_init( p_interaction , &p_interaction->object_lock );
- p_playlist->p_interaction = p_interaction;
+ return p_interaction;
}
/* Look for an interface suitable for interaction */
p_dialog->p_parent = p_this;
/* Check if we have already added this dialog */
- vlc_mutex_lock( &p_interaction->object_lock );
+ vlc_object_lock( p_interaction );
for( i = 0 ; i< p_interaction->i_dialogs; i++ )
{
if( p_interaction->pp_dialogs[i]->i_id == p_dialog->i_id )
else
p_dialog->i_status = UPDATED_DIALOG;
- if( p_dialog->i_type == INTERACT_DIALOG_TWOWAY ) // Wait for answer
+ if( p_dialog->i_type == INTERACT_DIALOG_TWOWAY ) /* Wait for answer */
{
- playlist_Signal( pl_Get( p_this ) );
+ vlc_object_signal_unlocked( p_interaction );
while( p_dialog->i_status != ANSWERED_DIALOG &&
p_dialog->i_status != HIDING_DIALOG &&
p_dialog->i_status != HIDDEN_DIALOG &&
!p_dialog->p_parent->b_die )
{
- vlc_mutex_unlock( &p_interaction->object_lock );
+ vlc_object_unlock( p_interaction );
msleep( 100000 );
- vlc_mutex_lock( &p_interaction->object_lock );
+ vlc_object_lock( p_interaction );
}
if( p_dialog->p_parent->b_die )
{
p_dialog->i_status = ANSWERED_DIALOG;
}
p_dialog->i_flags |= DIALOG_GOT_ANSWER;
- vlc_mutex_unlock( &p_interaction->object_lock );
- playlist_Signal( pl_Get( p_this ) );
+ vlc_object_signal_unlocked( p_interaction );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
return p_dialog->i_return;
}
else
{
- // Pretend we already retrieved the "answer"
+ /* Pretend we already retrieved the "answer" */
p_dialog->i_flags |= DIALOG_GOT_ANSWER;
- vlc_mutex_unlock( &p_interaction->object_lock );
- playlist_Signal( pl_Get( p_this ) );
+ vlc_object_signal_unlocked( p_interaction );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
return VLC_SUCCESS;
}
}
else
+ {
+ vlc_object_release( p_interaction );
return VLC_EGENERIC;
+ }
+}
+
+static void InteractionLoop( vlc_object_t *p_this )
+{
+ int i;
+ interaction_t *p_interaction = (interaction_t*) p_this;
+
+ while( !p_this->b_die )
+ {
+ vlc_object_lock( p_this );
+ if( vlc_object_wait( p_this ) )
+ {
+ vlc_object_unlock( p_this );
+ break;
+ }
+ InteractionManage( p_interaction );
+ vlc_object_unlock( p_this );
+ }
+
+ /* 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_object_detach( p_this );
+ vlc_object_release( p_this );
+}
+
+/**
+ * The main interaction processing loop
+ *
+ * \param p_interaction the interaction object
+ * \return nothing
+ */
+
+static void InteractionManage( interaction_t *p_interaction )
+{
+ vlc_value_t val;
+ int i_index;
+
+ /* Nothing to do */
+ if( p_interaction->i_dialogs == 0 ) return;
+
+ InteractionSearchInterface( p_interaction );
+ if( !p_interaction->p_intf )
+ {
+ /* We mark all dialogs as answered with their "default" answer */
+ for( i_index = 0 ; i_index < p_interaction->i_dialogs; i_index ++ )
+ {
+ interaction_dialog_t *p_dialog = p_interaction->pp_dialogs[i_index];
+ p_dialog->i_return = DIALOG_DEFAULT; /* Give default answer */
+
+ /* Pretend we have hidden and destroyed it */
+ if( p_dialog->i_status == HIDDEN_DIALOG )
+ p_dialog->i_status = DESTROYED_DIALOG;
+ else
+ 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 ++ )
+ {
+ interaction_dialog_t *p_dialog = p_interaction->pp_dialogs[i_index];
+ switch( p_dialog->i_status )
+ {
+ case ANSWERED_DIALOG:
+ /* Ask interface to hide it */
+ p_dialog->i_action = INTERACT_HIDE;
+ val.p_address = p_dialog;
+ if( p_interaction->p_intf )
+ var_Set( p_interaction->p_intf, "interaction", val );
+ p_dialog->i_status = HIDING_DIALOG;
+ break;
+ case UPDATED_DIALOG:
+ p_dialog->i_action = INTERACT_UPDATE;
+ val.p_address = p_dialog;
+ if( p_interaction->p_intf )
+ var_Set( p_interaction->p_intf, "interaction", val );
+ p_dialog->i_status = SENT_DIALOG;
+ break;
+ case HIDDEN_DIALOG:
+ if( !(p_dialog->i_flags & DIALOG_GOT_ANSWER) ) break;
+ p_dialog->i_action = INTERACT_DESTROY;
+ val.p_address = p_dialog;
+ if( p_interaction->p_intf )
+ var_Set( p_interaction->p_intf, "interaction", val );
+ break;
+ case DESTROYED_DIALOG:
+ /* Interface has now destroyed it, remove it */
+ REMOVE_ELEM( p_interaction->pp_dialogs, p_interaction->i_dialogs,
+ i_index);
+ i_index--;
+ DialogDestroy( p_dialog );
+ break;
+ case NEW_DIALOG:
+ /* This is truly a new dialog, send it. */
+
+ p_dialog->i_action = INTERACT_NEW;
+ val.p_address = p_dialog;
+ if( p_interaction->p_intf )
+ var_Set( p_interaction->p_intf, "interaction", val );
+ p_dialog->i_status = SENT_DIALOG;
+ break;
+ }
+ }
+
+ if( p_interaction->p_intf )
+ vlc_object_release( p_interaction->p_intf );
}
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