/*****************************************************************************
* interaction.c: User interaction functions
*****************************************************************************
- * Copyright (C) 1998-2004 VideoLAN
- * $Id: interface.c 10147 2005-03-05 17:18:30Z gbazin $
+ * Copyright © 2005-2008 the VideoLAN team
+ * $Id$
*
- * Authors: Clément Stenac <zorglub@videolan.org>
+ * Authors: Clément Stenac <zorglub@videolan.org>
+ * Felix Kühne <fkuehne@videolan.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
*
* 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, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
* This file contains functions related to user interaction management
*/
-
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* free(), strtol() */
-#include <stdio.h> /* FILE */
-#include <string.h> /* strerror() */
-#include <vlc/vlc.h>
-#include <vlc/input.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+
+#include <vlc_interface.h>
+#include "interface.h"
+#include "libvlc.h"
+
+#include <assert.h>
+
+/*****************************************************************************
+ * 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 intf_thread_t * SearchInterface( interaction_t * );
+static void* InteractionLoop( void * );
+static void InteractionManage( interaction_t * );
+
+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 ) \
+ 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->psz_returned[1] = NULL
+
+#define FORMAT_DESC \
+ va_start( args, psz_format ); \
+ 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
+ *
+ * \param p_this Parent vlc_object
+ * \param b_blocking Is this dialog blocking or not?
+ * \param psz_title Title for the dialog
+ * \param psz_format The message to display
+ * \return VLC_SUCCESS or VLC_EGENERIC
+ */
+int __intf_UserFatal( vlc_object_t *p_this, bool b_blocking,
+ const char *psz_title,
+ const char *psz_format, ... )
+{
+ va_list args;
+ DIALOG_INIT( ONEWAY );
+
+ p_new->psz_title = strdup( psz_title );
+ FORMAT_DESC;
+
+ if( b_blocking )
+ p_new->i_flags = DIALOG_BLOCKING_ERROR;
+ else
+ p_new->i_flags = DIALOG_NONBLOCKING_ERROR;
+
+ return DialogSend( p_this, p_new );
+}
+
+/**
+ * Helper function to send a warning, which is always shown non-blocking
+ *
+ * \param p_this Parent vlc_object
+ * \param psz_title Title for the dialog
+ * \param psz_format The message to display
+ * \return VLC_SUCCESS or VLC_EGENERIC
+ */
+int __intf_UserWarn( vlc_object_t *p_this,
+ const char *psz_title,
+ const char *psz_format, ... )
+{
+ va_list args;
+ DIALOG_INIT( ONEWAY );
-#include "vlc_interaction.h"
-#include "vlc_interface.h"
-#include "vlc_playlist.h"
+ p_new->psz_title = strdup( psz_title );
+ FORMAT_DESC;
+
+ p_new->i_flags = DIALOG_WARNING;
-static void intf_InteractionInit( playlist_t *p_playlist );
-static int intf_WaitAnswer( intf_thread_t *p_intf, interaction_dialog_t *p_interact );
-static int intf_Send( intf_thread_t *p_intf, interaction_dialog_t *p_interact );
+ return DialogSend( p_this, p_new );
+}
/**
- * Send an interaction element to the user
+ * Helper function to ask a yes-no-cancel question
*
- * \param p_this the calling vlc_object_t
- * \param p_interact the interaction element
- * \return VLC_SUCCESS or an error code
+ * \param p_this Parent vlc_object
+ * \param psz_title Title for the dialog
+ * \param psz_description A description
+ * \param psz_default caption for the default button
+ * \param psz_alternate caption for the alternate button
+ * \param psz_other caption for the optional 3rd button (== cancel)
+ * \return Clicked button code
*/
-int __intf_Interact( vlc_object_t *p_this, interaction_dialog_t *
- p_interact )
+int __intf_UserYesNo( vlc_object_t *p_this,
+ const char *psz_title,
+ const char *psz_description,
+ const char *psz_default,
+ const char *psz_alternate,
+ const char *psz_other )
{
- vlc_list_t *p_list;
- int i_index;
- intf_thread_t *p_chosen_intf;
+ DIALOG_INIT( TWOWAY );
+
+ p_new->psz_title = strdup( psz_title );
+ p_new->psz_description = strdup( psz_description );
+ p_new->i_flags = DIALOG_YES_NO_CANCEL;
+ p_new->psz_default_button = strdup( psz_default );
+ p_new->psz_alternate_button = strdup( psz_alternate );
+ if( psz_other )
+ p_new->psz_other_button = strdup( psz_other );
+
+ return DialogSend( p_this, p_new );
+}
+/**
+ * Helper function to create a dialogue showing a progress-bar with some info
+ *
+ * \param p_this Parent vlc_object
+ * \param psz_title Title for the dialog (NULL implies main intf )
+ * \param psz_status Current status
+ * \param f_position Current position (0.0->100.0)
+ * \param i_timeToGo Time (in sec) to go until process is finished
+ * \return Dialog id, to give to UserProgressUpdate
+ */
+int __intf_Progress( vlc_object_t *p_this, const char *psz_title,
+ const char *psz_status, float f_pos, int i_time )
+{
+ DIALOG_INIT( ONEWAY );
+ p_new->psz_description = strdup( psz_status );
+ p_new->val.f_float = f_pos;
+ p_new->i_timeToGo = i_time;
+ p_new->psz_alternate_button = strdup( _( "Cancel" ) );
- /* Search a suitable intf */
- p_list = vlc_list_find( p_this, VLC_OBJECT_INTF, FIND_ANYWHERE );
- if( !p_list )
+ if( psz_title )
{
- msg_Err( p_this, "Unable to create module list" );
- return VLC_FALSE;
+ p_new->psz_title = strdup( psz_title );
+ p_new->i_flags = DIALOG_USER_PROGRESS;
}
+ else
+ p_new->i_flags = DIALOG_INTF_PROGRESS;
- p_chosen_intf = NULL;
- for( i_index = 0; i_index < p_list->i_count; i_index ++ )
+ DialogSend( p_this, p_new );
+ return p_new->i_id;
+}
+
+/**
+ * Update a progress bar in a dialogue
+ *
+ * \param p_this Parent vlc_object
+ * \param i_id Identifier of the dialog
+ * \param psz_status New status
+ * \param f_position New position (0.0->100.0)
+ * \param i_timeToGo Time (in sec) to go until process is finished
+ * \return nothing
+ */
+void __intf_ProgressUpdate( vlc_object_t *p_this, int i_id,
+ const char *psz_status, float f_pos, int i_time )
+{
+ interaction_t *p_interaction = InteractionGet( p_this );
+ interaction_dialog_t *p_dialog;
+
+ if( !p_interaction ) return;
+
+ vlc_object_lock( p_interaction );
+ p_dialog = DialogGetById( p_interaction, i_id );
+
+ if( !p_dialog )
{
- intf_thread_t *p_intf = (intf_thread_t *)
- p_list->p_values[i_index].p_object;
- if( p_intf->pf_interact != NULL )
- {
- p_chosen_intf = p_intf;
- break;
- }
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
+ return;
}
- if( !p_chosen_intf )
+
+ free( p_dialog->psz_description );
+ p_dialog->psz_description = strdup( psz_status );
+
+ p_dialog->val.f_float = f_pos;
+ p_dialog->i_timeToGo = i_time;
+
+ p_dialog->i_status = UPDATED_DIALOG;
+
+ vlc_cond_signal( &p_interaction->wait );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
+}
+
+/**
+ * Helper function to communicate dialogue cancellations between the
+ * interface module and the caller
+ *
+ * \param p_this Parent vlc_object
+ * \param i_id Identifier of the dialogue
+ * \return Either true or false
+ */
+bool __intf_UserProgressIsCancelled( vlc_object_t *p_this, int i_id )
+{
+ interaction_t *p_interaction = InteractionGet( p_this );
+ interaction_dialog_t *p_dialog;
+ bool b_cancel;
+
+ if( !p_interaction ) return true;
+
+ vlc_object_lock( p_interaction );
+ p_dialog = DialogGetById( p_interaction, i_id );
+ if( !p_dialog )
{
- msg_Dbg( p_this, "No interface suitable for interaction" );
- return VLC_FALSE;
+ vlc_object_unlock( p_interaction ) ;
+ vlc_object_release( p_interaction );
+ return true;
}
- msg_Dbg( p_this, "found an interface for interaction" );
- /* Find id, if we don't already have one */
- if( p_interact->i_id == 0 )
+ b_cancel = p_dialog->b_cancelled;
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
+ return b_cancel;
+}
+
+/**
+ * Helper function to make a login/password dialogue
+ *
+ * \param p_this Parent vlc_object
+ * \param psz_title Title for the dialog
+ * \param psz_description A description
+ * \param ppsz_login Returned login
+ * \param ppsz_password Returned password
+ * \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 )
+{
+ int i_ret;
+ DIALOG_INIT( TWOWAY );
+ 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_alternate_button = strdup( _("Cancel" ) );
+
+ p_new->i_flags = DIALOG_LOGIN_PW_OK_CANCEL;
+
+ i_ret = DialogSend( p_this, p_new );
+
+ if( i_ret != DIALOG_CANCELLED && i_ret != VLC_EGENERIC )
{
- p_interact->i_id = ++p_chosen_intf->i_last_id;
+ *ppsz_login = p_new->psz_returned[0]?
+ strdup( p_new->psz_returned[0] ) : NULL;
+ *ppsz_password = p_new->psz_returned[1]?
+ strdup( p_new->psz_returned[1] ) : NULL;
}
+ return i_ret;
+}
- if( p_interact->i_type == INTERACT_ASK )
+/**
+ * Helper function to make a dialogue asking the user for !password string
+ *
+ * \param p_this Parent vlc_object
+ * \param psz_title Title for the dialog
+ * \param psz_description A description
+ * \param ppsz_usersString Returned login
+ * \return Clicked button code
+ */
+int __intf_UserStringInput( vlc_object_t *p_this,
+ const char *psz_title,
+ const char *psz_description,
+ char **ppsz_usersString )
+{
+ int i_ret;
+ DIALOG_INIT( TWOWAY );
+ p_new->i_type = INTERACT_DIALOG_TWOWAY;
+ p_new->psz_title = strdup( psz_title );
+ p_new->psz_description = strdup( psz_description );
+
+ p_new->i_flags = DIALOG_PSZ_INPUT_OK_CANCEL;
+
+ i_ret = DialogSend( p_this, p_new );
+
+ if( i_ret != DIALOG_CANCELLED )
{
- return intf_WaitAnswer( p_chosen_intf, p_interact );
+ *ppsz_usersString = p_new->psz_returned[0]?
+ strdup( p_new->psz_returned[0] ) : NULL;
}
- else
+ return i_ret;
+}
+
+/**
+ * Hide an interaction dialog
+ *
+ * \param p_this the parent vlc object
+ * \param i_id the id of the item to hide
+ * \return nothing
+ */
+void __intf_UserHide( vlc_object_t *p_this, int i_id )
+{
+ interaction_t *p_interaction = InteractionGet( p_this );
+ interaction_dialog_t *p_dialog;
+
+ if( !p_interaction ) return;
+
+ vlc_object_lock( p_interaction );
+ 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 );
+}
+
+/**
+ * Create the initial interaction object
+ * (should only be used in libvlc_InternalInit, LibVLC private)
+ *
+ * \return a vlc_object_t that should be freed when done.
+ */
+interaction_t * interaction_Init( libvlc_int_t *p_libvlc )
+{
+ interaction_t *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( VLC_OBJECT(p_libvlc),
+ sizeof( *p_interaction ),
+ VLC_OBJECT_GENERIC, "interaction" );
+ if( !p_interaction )
+ return NULL;
+
+ 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;
+
+ vlc_cond_init( &p_interaction->wait );
+
+ if( vlc_clone( &p_interaction->thread, InteractionLoop, p_interaction,
+ VLC_THREAD_PRIORITY_LOW ) )
{
- return intf_Send( p_chosen_intf, p_interact );
+ msg_Err( p_interaction, "Interaction control thread creation failed, "
+ "interaction will not be displayed" );
+ vlc_object_detach( p_interaction );
+ vlc_object_release( p_interaction );
+ return NULL;
}
+
+ return p_interaction;
}
-int intf_WaitAnswer( intf_thread_t *p_intf, interaction_dialog_t *p_interact )
+void interaction_Destroy( interaction_t *p_interaction )
{
- // TODO: Add to queue, wait for answer
- return VLC_SUCCESS;
+ 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 );
}
-int intf_Send( intf_thread_t *p_intf, interaction_dialog_t *p_interact )
+static vlc_mutex_t intf_lock = VLC_STATIC_MUTEX;
+
+int interaction_Register( intf_thread_t *intf )
{
- // TODO: Add to queue, return
- return VLC_SUCCESS;
+ 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;
}
-// The playlist manages the user interaction to avoid creating another thread
-void intf_InteractionManage( playlist_t *p_playlist )
+int interaction_Unregister( intf_thread_t *intf )
{
- if( p_playlist->p_interaction == NULL )
+ libvlc_priv_t *priv = libvlc_priv( intf->p_libvlc );
+ int ret = VLC_EGENERIC;
+
+ vlc_mutex_lock( &intf_lock );
+ if( priv->p_interaction_intf == intf )
{
- intf_InteractionInit( p_playlist );
+ priv->p_interaction_intf = NULL;
+ ret = VLC_SUCCESS;
}
+ vlc_mutex_unlock( &intf_lock );
+ return ret;
+}
- vlc_mutex_lock( &p_playlist->p_interaction->object_lock );
+/**********************************************************************
+ * The following functions are local
+ **********************************************************************/
- /* Todo:
- * - Walk the queue
- * - If blocking
- * - If have answer, signal what is waiting (vlc_cond ? dangerous in case of pb ?)
- * And then, if not reusable, destroy
- * - If have update, send update
- */
+/* Get the interaction object. Create it if needed */
+static interaction_t * InteractionGet( vlc_object_t *p_this )
+{
+ interaction_t *obj = libvlc_priv(p_this->p_libvlc)->p_interaction;
+ if( obj )
+ vlc_object_hold( obj );
+ return obj;
+}
+
+
+/* Look for an interface suitable for interaction, and hold it. */
+static intf_thread_t *SearchInterface( interaction_t *p_interaction )
+{
+ libvlc_priv_t *priv = libvlc_priv( p_interaction->p_libvlc );
+ intf_thread_t *intf;
+
+ vlc_mutex_lock( &intf_lock );
+ intf = priv->p_interaction_intf;
+ if( intf != NULL )
+ vlc_object_hold( intf );
+ vlc_mutex_unlock( &intf_lock );
- vlc_mutex_unlock( &p_playlist->p_interaction->object_lock );
+ return intf;
}
-static void intf_InteractionInit( playlist_t *p_playlist )
+/* Find an interaction dialog by its id */
+static interaction_dialog_t *DialogGetById( interaction_t *p_interaction,
+ int i_id )
{
- interaction_t *p_interaction;
- p_interaction = vlc_object_create( VLC_OBJECT( p_playlist ), sizeof( interaction_t ) );
- if( !p_interaction )
+ int i;
+ for( i = 0 ; i< p_interaction->i_dialogs; i++ )
{
- msg_Err( p_playlist,"out of memory" );
- return;
+ if( p_interaction->pp_dialogs[i]->i_id == i_id )
+ return p_interaction->pp_dialogs[i];
}
+ return NULL;
+}
- p_interaction->i_dialogs = 0;
- p_interaction->pp_dialogs = NULL;
+/* Destroy a dialog */
+static void DialogDestroy( interaction_dialog_t *p_dialog )
+{
+ free( p_dialog->psz_title );
+ free( p_dialog->psz_description );
+ free( p_dialog->psz_default_button );
+ free( p_dialog->psz_alternate_button );
+ free( p_dialog->psz_other_button );
+ free( p_dialog );
}
-/** Helper function to build a progress bar */
-interaction_dialog_t *__intf_ProgressBuild( vlc_object_t *p_this,
- const char *psz_text )
+/* Ask for the dialog to be sent to the user. Wait for answer
+ * if required */
+static int DialogSend( vlc_object_t *p_this, interaction_dialog_t *p_dialog )
{
- interaction_dialog_t *p_new = (interaction_dialog_t *)malloc(
- sizeof( interaction_dialog_t ) );
+ 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 )
+ {
+ vlc_object_release( p_interaction );
+ return VLC_EGENERIC;
+ }
+
+ if( config_GetInt( p_this, "interact" ) ||
+ p_dialog->i_flags & DIALOG_BLOCKING_ERROR ||
+ p_dialog->i_flags & DIALOG_NONBLOCKING_ERROR )
+ {
+ bool b_found = false;
+ int i;
+ p_dialog->p_interaction = p_interaction;
+ p_dialog->p_parent = p_this;
+ /* Check if we have already added this dialog */
+ 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 )
+ b_found = true;
+ }
+ /* Add it to the queue, the main loop will send the orders to the
+ * interface */
+ if( ! b_found )
+ {
+ INSERT_ELEM( p_interaction->pp_dialogs,
+ p_interaction->i_dialogs,
+ p_interaction->i_dialogs,
+ p_dialog );
+ }
+ else
+ p_dialog->i_status = UPDATED_DIALOG;
- return p_new;
+ if( p_dialog->i_type == INTERACT_DIALOG_TWOWAY ) /* Wait for answer */
+ {
+ 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->p_parent->b_die )
+ {
+ vlc_object_unlock( p_interaction );
+ msleep( 100000 );
+ vlc_object_lock( p_interaction );
+ }
+ if( p_dialog->p_parent->b_die )
+ {
+ p_dialog->i_return = DIALOG_CANCELLED;
+ p_dialog->i_status = ANSWERED_DIALOG;
+ }
+ p_dialog->i_flags |= DIALOG_GOT_ANSWER;
+ vlc_cond_signal( &p_interaction->wait );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
+ return p_dialog->i_return;
+ }
+ else
+ {
+ /* Pretend we already retrieved the "answer" */
+ p_dialog->i_flags |= DIALOG_GOT_ANSWER;
+ vlc_cond_signal( &p_interaction->wait );
+ vlc_object_unlock( p_interaction );
+ vlc_object_release( p_interaction );
+ return VLC_SUCCESS;
+ }
+ }
+ else
+ {
+ vlc_object_release( p_interaction );
+ return VLC_EGENERIC;
+ }
}
-#define INTERACT_INIT( new ) \
- interaction_dialog_t *new = (interaction_dialog_t*)malloc( \
- sizeof( interaction_dialog_t ) ); \
- new->i_widgets = 0; \
- new->pp_widgets = NULL; \
- new->psz_title = NULL; \
- new->psz_description = NULL; \
- new->i_id = 0;
+static void* InteractionLoop( void *p_this )
+{
+ interaction_t *p_interaction = p_this;
-#define INTERACT_FREE( new ) \
- if( new->psz_title ) free( new->psz_title ); \
- if( new->psz_description ) free( new->psz_description );
+ vlc_object_lock( p_interaction );
+ mutex_cleanup_push( &(vlc_internals(p_interaction)->lock) );
+ for( ;; )
+ {
+ int canc = vlc_savecancel();
+ InteractionManage( p_interaction );
+ vlc_restorecancel( canc );
-/** Helper function to send a fatal message */
-void intf_UserFatal( vlc_object_t *p_this, const char *psz_title,
- const char *psz_format, ... )
+ vlc_cond_wait( &p_interaction->wait, &(vlc_internals(p_interaction)->lock) );
+ }
+ vlc_cleanup_pop( );
+ assert( 0 );
+}
+
+/**
+ * The main interaction processing loop
+ *
+ * \param p_interaction the interaction object
+ * \return nothing
+ */
+
+static void InteractionManage( interaction_t *p_interaction )
{
- va_list args;
+ vlc_value_t val;
+ int i_index;
- INTERACT_INIT( p_new );
- p_new->i_type = INTERACT_FATAL;
- p_new->psz_title = strdup( psz_title );
+ /* Nothing to do */
+ if( p_interaction->i_dialogs == 0 ) return;
+
+ p_interaction->p_intf = SearchInterface( 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 */
- va_start( args, psz_format );
- vasprintf( &p_new->psz_description, psz_format, args );
- va_end( args );
+ /* 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;
+ }
+ }
+
+ 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. */
- intf_Interact( p_this, p_new );
+ 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;
+ }
+ }
- INTERACT_FREE( p_new );
+ if( p_interaction->p_intf )
+ vlc_object_release( p_interaction->p_intf );
}