/*****************************************************************************
* item.c : Playlist item creation/deletion/add/removal functions
*****************************************************************************
* Copyright (C) 1999-2007 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@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
* 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "vlc_common.h"
#include <assert.h>
#include "vlc_playlist.h"
#include "playlist_internal.h"
static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
playlist_item_t *p_node, int i_mode, int i_pos );
static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
playlist_item_t *, playlist_item_t * );
static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item );
static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
bool b_stop );
/*****************************************************************************
* An input item has gained a subitem (Event Callback)
*****************************************************************************/
static void input_item_subitem_added( const vlc_event_t * p_event,
void * user_data )
{
playlist_item_t *p_parent_playlist_item = user_data;
playlist_t * p_playlist = p_parent_playlist_item->p_playlist;
input_item_t * p_parent, * p_child;
playlist_item_t * p_child_in_category;
playlist_item_t * p_item_in_category;
bool b_play;
p_parent = p_event->p_obj;
p_child = p_event->u.input_item_subitem_added.p_new_child;
PL_LOCK;
b_play = var_CreateGetBool( p_playlist, "playlist-autostart" );
/* This part is really hakish, but this playlist system isn't simple */
/* First check if we haven't already added the item as we are
* listening using the onelevel and the category representent
* (Because of the playlist design) */
p_child_in_category = playlist_ItemFindFromInputAndRoot(
p_playlist, p_child->i_id,
p_playlist->p_root_category,
false /* Only non-node */ );
if( !p_child_in_category )
{
/* Then, transform to a node if needed */
p_item_in_category = playlist_ItemFindFromInputAndRoot(
p_playlist, p_parent->i_id,
p_playlist->p_root_category,
false /* Only non-node */ );
if( !p_item_in_category )
{
/* Item may have been removed */
PL_UNLOCK;
return;
}
b_play = b_play &&
p_item_in_category == get_current_status_item( p_playlist );
/* If this item is already a node don't transform it */
if( p_item_in_category->i_children == -1 )
{
p_item_in_category = playlist_ItemToNode( p_playlist,
p_item_in_category, pl_Locked );
p_item_in_category->p_input->i_type = ITEM_TYPE_PLAYLIST;
}
int i_ret = playlist_BothAddInput( p_playlist, p_child,
p_item_in_category,
PLAYLIST_APPEND | PLAYLIST_SPREPARSE , PLAYLIST_END,
NULL, NULL, pl_Locked );
if( i_ret == VLC_SUCCESS && b_play )
{
playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
pl_Locked, p_item_in_category, NULL );
}
}
PL_UNLOCK;
}
/*****************************************************************************
* An input item's meta or duration has changed (Event Callback)
*****************************************************************************/
static void input_item_changed( const vlc_event_t * p_event,
void * user_data )
{
(void)p_event;
playlist_item_t * p_item = user_data;
var_SetInteger( p_item->p_playlist, "item-change", p_item->i_id );
}
/*****************************************************************************
* Listen to vlc_InputItemAddSubItem event
*****************************************************************************/
static void install_input_item_observer( playlist_item_t * p_item )
{
vlc_event_manager_t * p_em = &p_item->p_input->event_manager;
vlc_event_attach( p_em, vlc_InputItemSubItemAdded,
input_item_subitem_added, p_item );
vlc_event_attach( p_em, vlc_InputItemDurationChanged,
input_item_changed, p_item );
vlc_event_attach( p_em, vlc_InputItemMetaChanged,
input_item_changed, p_item );
vlc_event_attach( p_em, vlc_InputItemNameChanged,
input_item_changed, p_item );
vlc_event_attach( p_em, vlc_InputItemInfoChanged,
input_item_changed, p_item );
vlc_event_attach( p_em, vlc_InputItemErrorWhenReadingChanged,
input_item_changed, p_item );
}
static void uninstall_input_item_observer( playlist_item_t * p_item )
{
vlc_event_manager_t * p_em = &p_item->p_input->event_manager;
vlc_event_detach( p_em, vlc_InputItemSubItemAdded,
input_item_subitem_added, p_item );
vlc_event_detach( p_em, vlc_InputItemMetaChanged,
input_item_changed, p_item );
vlc_event_detach( p_em, vlc_InputItemDurationChanged,
input_item_changed, p_item );
vlc_event_detach( p_em, vlc_InputItemNameChanged,
input_item_changed, p_item );
vlc_event_detach( p_em, vlc_InputItemInfoChanged,
input_item_changed, p_item );
vlc_event_detach( p_em, vlc_InputItemErrorWhenReadingChanged,
input_item_changed, p_item );
}
/*****************************************************************************
* Playlist item creation
*****************************************************************************/
playlist_item_t *playlist_ItemNewFromInput( playlist_t *p_playlist,
input_item_t *p_input )
{
DECMALLOC_NULL( p_item, playlist_item_t );
assert( p_input );
p_item->p_input = p_input;
vlc_gc_incref( p_item->p_input );
p_item->i_id = ++p_playlist->i_last_playlist_id;
p_item->p_parent = NULL;
p_item->i_children = -1;
p_item->pp_children = NULL;
p_item->i_flags = 0;
p_item->p_playlist = p_playlist;
install_input_item_observer( p_item );
return p_item;
}
playlist_item_t * playlist_ItemNewWithType( playlist_t *p_playlist,
const char *psz_uri,
const char *psz_name,
int i_options,
const char *const *ppsz_options,
int i_duration, int i_type )
{
input_item_t *p_input;
if( psz_uri == NULL ) return NULL;
p_input = input_item_NewWithType( VLC_OBJECT(p_playlist), psz_uri,
psz_name, i_options, ppsz_options,
i_duration, i_type );
return playlist_ItemNewFromInput( p_playlist, p_input );
}
/***************************************************************************
* Playlist item destruction
***************************************************************************/
/**
* Release an item
*
* \param p_item item to delete
* \return VLC_SUCCESS
*/
int playlist_ItemRelease( playlist_item_t *p_item )
{
/* For the assert */
playlist_t *p_playlist = p_item->p_playlist;
PL_ASSERT_LOCKED;
/* Surprise, we can't actually do more because we
* don't do refcounting, or eauivalent.
* Because item are not only accessed by their id
* using playlist_item outside the PL_LOCK isn't safe.
* Most of the modules does that.
*
* Who wants to add proper memory management? */
uninstall_input_item_observer( p_item );
ARRAY_APPEND( p_item->p_playlist->items_to_delete, p_item);
return VLC_SUCCESS;
}
/**
* Delete input item
*
* Remove an input item when it appears from a root playlist item
* \param p_playlist playlist object
* \param i_input_id id of the input to delete
* \param p_root root playlist item
* \param b_do_stop must stop or not the playlist
* \return VLC_SUCCESS or VLC_EGENERIC
*/
static int DeleteFromInput( playlist_t *p_playlist, int i_input_id,
playlist_item_t *p_root, bool b_do_stop )
{
int i;
PL_ASSERT_LOCKED;
for( i = 0 ; i< p_root->i_children ; i++ )
{
if( p_root->pp_children[i]->i_children == -1 &&
p_root->pp_children[i]->p_input->i_id == i_input_id )
{
DeleteInner( p_playlist, p_root->pp_children[i], b_do_stop );
return VLC_SUCCESS;
}
else if( p_root->pp_children[i]->i_children >= 0 )
{
int i_ret = DeleteFromInput( p_playlist, i_input_id,
p_root->pp_children[i], b_do_stop );
if( i_ret == VLC_SUCCESS ) return VLC_SUCCESS;
}
}
return VLC_EGENERIC;
}
/**
* Delete input item
*
* Remove an input item when it appears from a root playlist item
* \param p_playlist playlist object
* \param i_input_id id of the input to delete
* \param p_root root playlist item
* \param b_locked TRUE if the playlist is locked
* \return VLC_SUCCESS or VLC_EGENERIC
*/
int playlist_DeleteFromInputInParent( playlist_t *p_playlist, int i_input_id,
playlist_item_t *p_root, bool b_locked )
{
int i_ret;
PL_LOCK_IF( !b_locked );
i_ret = DeleteFromInput( p_playlist, i_input_id,
p_root, true );
PL_UNLOCK_IF( !b_locked );
return i_ret;
}
/**
* Delete from input
*
* Remove an input item from ONELEVEL and CATEGORY
* \param p_playlist playlist object
* \param i_input_id id of the input to delete
* \param b_locked TRUE if the playlist is locked
* \return VLC_SUCCESS or VLC_ENOITEM
*/
int playlist_DeleteFromInput( playlist_t *p_playlist, int i_input_id,
bool b_locked )
{
int i_ret1, i_ret2;
PL_LOCK_IF( !b_locked );
i_ret1 = DeleteFromInput( p_playlist, i_input_id,
p_playlist->p_root_category, true );
i_ret2 = DeleteFromInput( p_playlist, i_input_id,
p_playlist->p_root_onelevel, true );
PL_UNLOCK_IF( !b_locked );
return ( i_ret1 == VLC_SUCCESS || i_ret2 == VLC_SUCCESS ) ?
VLC_SUCCESS : VLC_ENOITEM;
}
/**
* Clear the playlist
*
* \param p_playlist playlist object
* \param b_locked TRUE if the playlist is locked
* \return nothing
*/
void playlist_Clear( playlist_t * p_playlist, bool b_locked )
{
PL_LOCK_IF( !b_locked );
playlist_NodeEmpty( p_playlist, p_playlist->p_local_category, true );
playlist_NodeEmpty( p_playlist, p_playlist->p_local_onelevel, true );
PL_UNLOCK_IF( !b_locked );
}
/**
* Delete playlist item
*
* Remove a playlist item from the playlist, given its id
* This function is to be used only by the playlist
* \param p_playlist playlist object
* \param i_id id of the item do delete
* \return VLC_SUCCESS or an error
*/
int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
{
PL_ASSERT_LOCKED;
playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id,
pl_Locked );
if( !p_item ) return VLC_EGENERIC;
return DeleteInner( p_playlist, p_item, true );
}
/***************************************************************************
* Playlist item addition
***************************************************************************/
/**
* Playlist add
*
* Add an item to the playlist or the media library
* \param p_playlist the playlist to add into
* \param psz_uri the mrl to add to the playlist
* \param psz_name a text giving a name or description of this item
* \param i_mode the mode used when adding
* \param i_pos the position in the playlist where to add. If this is
* PLAYLIST_END the item will be added at the end of the playlist
* regardless of its size
* \param b_playlist TRUE for playlist, FALSE for media library
* \param b_locked TRUE if the playlist is locked
* \return The id of the playlist item
*/
int playlist_Add( playlist_t *p_playlist, const char *psz_uri,
const char *psz_name, int i_mode, int i_pos,
bool b_playlist, bool b_locked )
{
return playlist_AddExt( p_playlist, psz_uri, psz_name,
i_mode, i_pos, -1, NULL, 0, b_playlist, b_locked );
}
/**
* Add a MRL into the playlist or the media library, duration and options given
*
* \param p_playlist the playlist to add into
* \param psz_uri the mrl to add to the playlist
* \param psz_name a text giving a name or description of this item
* \param i_mode the mode used when adding
* \param i_pos the position in the playlist where to add. If this is
* PLAYLIST_END the item will be added at the end of the playlist
* regardless of its size
* \param i_duration length of the item in milliseconds.
* \param ppsz_options an array of options
* \param i_options the number of options
* \param b_playlist TRUE for playlist, FALSE for media library
* \param b_locked TRUE if the playlist is locked
* \return The id of the playlist item
*/
int playlist_AddExt( playlist_t *p_playlist, const char * psz_uri,
const char *psz_name, int i_mode, int i_pos,
mtime_t i_duration, const char *const *ppsz_options,
int i_options, bool b_playlist, bool b_locked )
{
int i_ret;
input_item_t *p_input = input_item_NewExt( p_playlist, psz_uri, psz_name,
i_options, ppsz_options,
i_duration );
i_ret = playlist_AddInput( p_playlist, p_input, i_mode, i_pos, b_playlist,
b_locked );
int i_id = (i_ret == VLC_SUCCESS) ? p_input->i_id : -1;
vlc_gc_decref( p_input );
return i_id;
}
/**
* Add an input item to the playlist node
*
* \param p_playlist the playlist to add into
* \param p_input the input item to add
* \param i_mode the mode used when adding
* \param i_pos the position in the playlist where to add. If this is
* PLAYLIST_END the item will be added at the end of the playlist
* regardless of its size
* \param b_playlist TRUE for playlist, FALSE for media library
* \param b_locked TRUE if the playlist is locked
* \return VLC_SUCCESS or VLC_ENOMEM or VLC_EGENERIC
*/
int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
int i_mode, int i_pos, bool b_playlist,
bool b_locked )
{
playlist_item_t *p_item_cat, *p_item_one;
if( p_playlist->b_die ) return VLC_EGENERIC;
if( !p_playlist->b_doing_ml )
PL_DEBUG( "adding item `%s' ( %s )", p_input->psz_name,
p_input->psz_uri );
PL_LOCK_IF( !b_locked );
/* Add to ONELEVEL */
p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
if( p_item_one == NULL ) return VLC_ENOMEM;
AddItem( p_playlist, p_item_one,
b_playlist ? p_playlist->p_local_onelevel :
p_playlist->p_ml_onelevel , i_mode, i_pos );
/* Add to CATEGORY */
p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
if( p_item_cat == NULL ) return VLC_ENOMEM;
AddItem( p_playlist, p_item_cat,
b_playlist ? p_playlist->p_local_category :
p_playlist->p_ml_category , i_mode, i_pos );
GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
PL_UNLOCK_IF( !b_locked );
return VLC_SUCCESS;
}
/**
* Add input
*
* Add an input item to p_direct_parent in the category tree, and to the
* matching top category in onelevel
* \param p_playlist the playlist to add into
* \param p_input the input item to add
* \param p_direct_parent the parent item to add into
* \param i_mode the mode used when adding
* \param i_pos the position in the playlist where to add. If this is
* PLAYLIST_END the item will be added at the end of the playlist
* regardless of its size
* \param i_cat id of the items category
* \param i_one id of the item onelevel category
* \param b_locked TRUE if the playlist is locked
* \return VLC_SUCCESS if success, VLC_EGENERIC if fail, VLC_ENOMEM if OOM
*/
int playlist_BothAddInput( playlist_t *p_playlist,
input_item_t *p_input,
playlist_item_t *p_direct_parent,
int i_mode, int i_pos,
int *i_cat, int *i_one, bool b_locked )
{
playlist_item_t *p_item_cat, *p_item_one, *p_up;
int i_top;
assert( p_input );
if( !vlc_object_alive( p_playlist ) )
return VLC_EGENERIC;
PL_LOCK_IF( !b_locked );
/* Add to category */
p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
if( p_item_cat == NULL ) return VLC_ENOMEM;
AddItem( p_playlist, p_item_cat, p_direct_parent, i_mode, i_pos );
/* Add to onelevel */
/** \todo make a faster case for ml import */
p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
if( p_item_one == NULL ) return VLC_ENOMEM;
p_up = p_direct_parent;
while( p_up->p_parent != p_playlist->p_root_category )
{
p_up = p_up->p_parent;
}
for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
{
if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input->i_id ==
p_up->p_input->i_id )
{
AddItem( p_playlist, p_item_one,
p_playlist->p_root_onelevel->pp_children[i_top],
i_mode, i_pos );
break;
}
}
GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
if( i_cat ) *i_cat = p_item_cat->i_id;
if( i_one ) *i_one = p_item_one->i_id;
PL_UNLOCK_IF( !b_locked );
return VLC_SUCCESS;
}
/**
* Add an input item to a given node
*
* \param p_playlist the playlist to add into
* \param p_input the input item to add
* \param p_parent the parent item to add into
* \param i_mode the mode used when addin
* \param i_pos the position in the playlist where to add. If this is
* PLAYLIST_END the item will be added at the end of the playlist
* regardless of its size
* \param b_locked TRUE if the playlist is locked
* \return the new playlist item
*/
playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
input_item_t *p_input,
playlist_item_t *p_parent,
int i_mode, int i_pos,
bool b_locked )
{
playlist_item_t *p_item;
assert( p_input );
assert( p_parent && p_parent->i_children != -1 );
if( p_playlist->b_die )
return NULL;
PL_LOCK_IF( !b_locked );
p_item = playlist_ItemNewFromInput( p_playlist, p_input );
if( p_item == NULL ) return NULL;
AddItem( p_playlist, p_item, p_parent, i_mode, i_pos );
PL_UNLOCK_IF( !b_locked );
return p_item;
}
/*****************************************************************************
* Playlist item misc operations
*****************************************************************************/
/**
* Item to node
*
* Transform an item to a node. Return the node in the category tree, or NULL
* if not found there
* This function must be entered without the playlist lock
* \param p_playlist the playlist object
* \param p_item the item to transform
* \param b_locked TRUE if the playlist is locked
* \return the item transform in a node
*/
playlist_item_t *playlist_ItemToNode( playlist_t *p_playlist,
playlist_item_t *p_item,
bool b_locked )
{
playlist_item_t *p_item_in_category;
/* What we do
* Find the input in CATEGORY.
* - If we find it
* - change it to node
* - we'll return it at the end
* - If we are a direct child of onelevel root, change to node, else
* delete the input from ONELEVEL
* - If we don't find it, just change to node (we are probably in VLM)
* and return NULL
*
* If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
* useful for later BothAddInput )
*/
PL_LOCK_IF( !b_locked );
/* Fast track the media library, no time to loose */
if( p_item == p_playlist->p_ml_category ) {
PL_UNLOCK_IF( !b_locked );
return p_item;
}
/** \todo First look if we don't already have it */
p_item_in_category = playlist_ItemFindFromInputAndRoot(
p_playlist, p_item->p_input->i_id,
p_playlist->p_root_category,
true );
if( p_item_in_category )
{
playlist_item_t *p_item_in_one = playlist_ItemFindFromInputAndRoot(
p_playlist, p_item->p_input->i_id,
p_playlist->p_root_onelevel,
true );
assert( p_item_in_one );
/* We already have it, and there is nothing more to do */
ChangeToNode( p_playlist, p_item_in_category );
/* Item in one is a root, change it to node */
if( p_item_in_one->p_parent == p_playlist->p_root_onelevel )
ChangeToNode( p_playlist, p_item_in_one );
else
{
playlist_item_t *p_status_item = get_current_status_item( p_playlist );
playlist_item_t *p_status_node = get_current_status_node( p_playlist );
if( p_item_in_one == p_status_item )
{
/* We're deleting the current playlist item. Update
* the playlist object to point at the previous item
* so the playlist won't be restarted */
playlist_item_t *p_prev_status_item = NULL;
int i = 0;
while( i < p_status_node->i_children &&
p_status_node->pp_children[i] != p_status_item )
{
p_prev_status_item = p_status_node->pp_children[i];
i++;
}
if( i == p_status_node->i_children )
p_prev_status_item = NULL;
if( p_prev_status_item )
set_current_status_item( p_playlist, p_prev_status_item );
}
DeleteFromInput( p_playlist, p_item_in_one->p_input->i_id,
p_playlist->p_root_onelevel, false );
}
p_playlist->b_reset_currently_playing = true;
vlc_object_signal_unlocked( p_playlist );
var_SetInteger( p_playlist, "item-change", p_item_in_category->
p_input->i_id );
PL_UNLOCK_IF( !b_locked );
return p_item_in_category;
}
else
{
ChangeToNode( p_playlist, p_item );
PL_UNLOCK_IF( !b_locked );
return p_item;
}
}
/**
* Find an item within a root, given its input id.
*
* \param p_playlist the playlist object
* \param i_input_id id of the input
* \param p_root root playlist item
* \param b_items_only TRUE if we want the item himself
* \return the first found item, or NULL if not found
*/
playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
int i_input_id,
playlist_item_t *p_root,
bool b_items_only )
{
int i;
for( i = 0 ; i< p_root->i_children ; i++ )
{
if( ( b_items_only ? p_root->pp_children[i]->i_children == -1 : 1 ) &&
p_root->pp_children[i]->p_input->i_id == i_input_id )
{
return p_root->pp_children[i];
}
else if( p_root->pp_children[i]->i_children >= 0 )
{
playlist_item_t *p_search =
playlist_ItemFindFromInputAndRoot( p_playlist, i_input_id,
p_root->pp_children[i],
b_items_only );
if( p_search ) return p_search;
}
}
return NULL;
}
static int TreeMove( playlist_t *p_playlist, playlist_item_t *p_item,
playlist_item_t *p_node, int i_newpos )
{
int j;
playlist_item_t *p_detach = p_item->p_parent;
(void)p_playlist;
if( p_node->i_children == -1 ) return VLC_EGENERIC;
for( j = 0; j < p_detach->i_children; j++ )
{
if( p_detach->pp_children[j] == p_item ) break;
}
REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, j );
/* If j < i_newpos, we are moving the element from the top to the
* down of the playlist. So when removing the element we change have
* to change the position as we loose one element
*/
if( j < i_newpos )
i_newpos--;
/* Attach to new parent */
INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
p_item->p_parent = p_node;
return VLC_SUCCESS;
}
/**
* Moves an item
*
* This function must be entered with the playlist lock
*
* \param p_playlist the playlist
* \param p_item the item to move
* \param p_node the new parent of the item
* \param i_newpos the new position under this new parent
* \return VLC_SUCCESS or an error
*/
int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
playlist_item_t *p_node, int i_newpos )
{
int i_ret;
PL_ASSERT_LOCKED;
/* Drop on a top level node. Move in the two trees */
if( p_node->p_parent == p_playlist->p_root_category ||
p_node->p_parent == p_playlist->p_root_onelevel )
{
/* Fixme: avoid useless lookups but we need some clean helpers */
{
/* Fixme: if we try to move a node on a top-level node, it will
* fail because the node doesn't exist in onelevel and we will
* do some shit in onelevel. We should recursively move all items
* within the node */
playlist_item_t *p_node_onelevel;
playlist_item_t *p_item_onelevel;
p_node_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
p_node->p_input->i_id,
p_playlist->p_root_onelevel,
false );
p_item_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
p_item->p_input->i_id,
p_playlist->p_root_onelevel,
false );
if( p_node_onelevel && p_item_onelevel )
TreeMove( p_playlist, p_item_onelevel, p_node_onelevel, i_newpos );
}
{
playlist_item_t *p_node_category;
playlist_item_t *p_item_category;
p_node_category = playlist_ItemFindFromInputAndRoot( p_playlist,
p_node->p_input->i_id,
p_playlist->p_root_category,
false );
p_item_category = playlist_ItemFindFromInputAndRoot( p_playlist,
p_item->p_input->i_id,
p_playlist->p_root_category,
false );
if( p_node_category && p_item_category )
TreeMove( p_playlist, p_item_category, p_node_category, 0 );
}
i_ret = VLC_SUCCESS;
}
else
i_ret = TreeMove( p_playlist, p_item, p_node, i_newpos );
p_playlist->b_reset_currently_playing = true;
vlc_object_signal_unlocked( p_playlist );
return i_ret;
}
/**
* Send a notification that an item has been added to a node
*
* \param p_playlist the playlist object
* \param i_item_id id of the item added
* \param i_node_id id of the node in wich the item was added
* \param b_signal TRUE if the function must send a signal
* \return nothing
*/
void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
int i_node_id, bool b_signal )
{
vlc_value_t val;
PL_ASSERT_LOCKED;
playlist_add_t *p_add = (playlist_add_t *)malloc( sizeof( playlist_add_t) );
if( !p_add )
return;
p_add->i_item = i_item_id;
p_add->i_node = i_node_id;
val.p_address = p_add;
p_playlist->b_reset_currently_playing = true;
if( b_signal )
vlc_object_signal_unlocked( p_playlist );
var_Set( p_playlist, "item-append", val );
free( p_add );
}
/*****************************************************************************
* Playlist item accessors
*****************************************************************************/
/**
* Set the name of a playlist item
*
* \param p_item the item
* \param psz_name the name
* \return VLC_SUCCESS or VLC_EGENERIC
*/
int playlist_ItemSetName( playlist_item_t *p_item, const char *psz_name )
{
if( psz_name && p_item )
{
input_item_SetName( p_item->p_input, psz_name );
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
/***************************************************************************
* The following functions are local
***************************************************************************/
/* Enqueue an item for preparsing, and play it, if needed */
static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
playlist_item_t *p_item_cat,
playlist_item_t *p_item_one )
{
PL_ASSERT_LOCKED;
if( (i_mode & PLAYLIST_GO ) )
{
playlist_item_t *p_parent = p_item_one;
playlist_item_t *p_toplay = NULL;
while( p_parent )
{
if( p_parent == p_playlist->p_root_category )
{
p_toplay = p_item_cat; break;
}
else if( p_parent == p_playlist->p_root_onelevel )
{
p_toplay = p_item_one; break;
}
p_parent = p_parent->p_parent;
}
assert( p_toplay );
p_playlist->request.b_request = true;
p_playlist->request.i_skip = 0;
p_playlist->request.p_item = p_toplay;
if( p_playlist->p_input )
input_StopThread( p_playlist->p_input );
p_playlist->request.i_status = PLAYLIST_RUNNING;
vlc_object_signal_unlocked( p_playlist );
}
/* Preparse if PREPARSE or SPREPARSE & not enough meta */
char *psz_artist = input_item_GetArtist( p_item_cat->p_input );
char *psz_album = input_item_GetAlbum( p_item_cat->p_input );
if( p_playlist->b_auto_preparse &&
(i_mode & PLAYLIST_PREPARSE ||
( i_mode & PLAYLIST_SPREPARSE &&
( EMPTY_STR( psz_artist ) || ( EMPTY_STR( psz_album ) ) )
) ) )
playlist_PreparseEnqueue( p_playlist, p_item_cat->p_input );
/* If we already have it, signal it */
else if( !EMPTY_STR( psz_artist ) && !EMPTY_STR( psz_album ) )
input_item_SetPreparsed( p_item_cat->p_input, true );
free( psz_artist );
free( psz_album );
}
/* Add the playlist item to the requested node and fire a notification */
static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
playlist_item_t *p_node, int i_mode, int i_pos )
{
PL_ASSERT_LOCKED;
ARRAY_APPEND(p_playlist->items, p_item);
ARRAY_APPEND(p_playlist->all_items, p_item);
if( i_pos == PLAYLIST_END )
playlist_NodeAppend( p_playlist, p_item, p_node );
else
playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
if( !p_playlist->b_doing_ml )
playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id,
!( i_mode & PLAYLIST_NO_REBUILD ) );
}
/* Actually convert an item to a node */
static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
{
int i;
if( p_item->i_children == -1 )
p_item->i_children = 0;
/* Remove it from the array of available items */
ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_item->i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->items, i );
}
/* Do the actual removal */
static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
bool b_stop )
{
int i;
int i_id = p_item->i_id;
PL_ASSERT_LOCKED;
if( p_item->i_children > -1 )
{
return playlist_NodeDelete( p_playlist, p_item, true, false );
}
p_playlist->b_reset_currently_playing = true;
var_SetInteger( p_playlist, "item-deleted", i_id );
/* Remove the item from the bank */
ARRAY_BSEARCH( p_playlist->all_items,->i_id, int, i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->all_items, i );
ARRAY_BSEARCH( p_playlist->items,->i_id, int, i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->items, i );
/* Check if it is the current item */
if( get_current_status_item( p_playlist ) == p_item )
{
/* Hack we don't call playlist_Control for lock reasons */
if( b_stop )
{
p_playlist->request.i_status = PLAYLIST_STOPPED;
p_playlist->request.b_request = true;
p_playlist->request.p_item = NULL;
msg_Info( p_playlist, "stopping playback" );
vlc_object_signal_unlocked( VLC_OBJECT(p_playlist) );
}
}
PL_DEBUG( "deleting item `%s'", p_item->p_input->psz_name );
/* Remove the item from its parent */
playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
playlist_ItemRelease( p_item );
return VLC_SUCCESS;
}
