]> git.sesse.net Git - vlc/blobdiff - src/playlist/tree.c
Use var_Inherit* instead of var_CreateGet*.
[vlc] / src / playlist / tree.c
index 1a8d0cc9245b64bfb10261f107e24db5e7aab698..196ab807f05c0e8417b17cc6f818fd8bbaa0df14 100644 (file)
@@ -50,14 +50,15 @@ playlist_item_t *GetPrevItem( playlist_t *p_playlist,
  * \param p_playlist the playlist
  * \param psz_name the name of the node
  * \param p_parent the parent node to attach to or NULL if no attach
+ * \param i_pos position of the node in the parent, PLAYLIST_END to append to end.
  * \param p_flags miscellaneous flags
  * \param p_input the input_item to attach to or NULL if it has to be created
  * \return the new node
  */
 playlist_item_t * playlist_NodeCreate( playlist_t *p_playlist,
                                        const char *psz_name,
-                                       playlist_item_t *p_parent, int i_flags,
-                                       input_item_t *p_input )
+                                       playlist_item_t *p_parent, int i_pos,
+                                       int i_flags, input_item_t *p_input )
 {
     input_item_t *p_new_input = NULL;
     playlist_item_t *p_item;
@@ -67,7 +68,7 @@ playlist_item_t * playlist_NodeCreate( playlist_t *p_playlist,
 
     if( !p_input )
         p_new_input = input_item_NewWithType( VLC_OBJECT(p_playlist), NULL,
-                                        psz_name, 0, NULL, -1, ITEM_TYPE_NODE );
+                                        psz_name, 0, NULL, 0, -1, ITEM_TYPE_NODE );
     p_item = playlist_ItemNewFromInput( p_playlist,
                                         p_input ? p_input : p_new_input );
     if( p_new_input )
@@ -79,10 +80,14 @@ playlist_item_t * playlist_NodeCreate( playlist_t *p_playlist,
     ARRAY_APPEND(p_playlist->all_items, p_item);
 
     if( p_parent != NULL )
-        playlist_NodeAppend( p_playlist, p_item, p_parent );
+        playlist_NodeInsert( p_playlist, p_item, p_parent,
+                             i_pos == PLAYLIST_END ? -1 : i_pos );
     playlist_SendAddNotify( p_playlist, p_item->i_id,
                             p_parent ? p_parent->i_id : -1,
                             !( i_flags & PLAYLIST_NO_REBUILD ));
+
+    p_item->i_flags |= i_flags;
+
     return p_item;
 }
 
@@ -138,23 +143,13 @@ int playlist_NodeDelete( playlist_t *p_playlist, playlist_item_t *p_root,
     PL_ASSERT_LOCKED;
     int i;
 
-    if( p_root->i_children == -1 )
-    {
-        return VLC_EGENERIC;
-    }
-
     /* Delete the children */
-    for( i =  p_root->i_children - 1 ; i >= 0; i-- )
+    for( i = p_root->i_children - 1 ; i >= 0; i-- )
     {
-        if( p_root->pp_children[i]->i_children > -1 )
+        if( b_delete_items || p_root->pp_children[i]->i_children > -1 )
         {
             playlist_NodeDelete( p_playlist, p_root->pp_children[i],
-                                 b_delete_items , b_force );
-        }
-        else if( b_delete_items )
-        {
-            playlist_DeleteFromItemId( p_playlist,
-                                       p_root->pp_children[i]->i_id );
+                                 b_delete_items, b_force );
         }
     }
     /* Delete the node */
@@ -163,13 +158,37 @@ int playlist_NodeDelete( playlist_t *p_playlist, playlist_item_t *p_root,
     }
     else
     {
+        pl_priv(p_playlist)->b_reset_currently_playing = true;
+
         int i;
-        var_SetInteger( p_playlist, "item-deleted", p_root->i_id );
+        var_SetInteger( p_playlist, "playlist-item-deleted", p_root->i_id );
         ARRAY_BSEARCH( p_playlist->all_items, ->i_id, int,
                        p_root->i_id, i );
         if( i != -1 )
             ARRAY_REMOVE( p_playlist->all_items, i );
 
+        if( p_root->i_children == -1 ) {
+            ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_root->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_root )
+        {
+            /* Stop */
+            playlist_Control( p_playlist, PLAYLIST_STOP, pl_Locked );
+            msg_Info( p_playlist, "stopping playback" );
+            /* This item can't be the next one to be played ! */
+            set_current_status_item( p_playlist, NULL );
+        }
+
+        ARRAY_BSEARCH( p_playlist->current,->i_id, int, p_root->i_id, i );
+        if( i != -1 )
+            ARRAY_REMOVE( p_playlist->current, i );
+
+        PL_DEBUG( "deleting item `%s'", p_root->p_input->psz_name );
+
         /* Remove the item from its parent */
         if( p_root->p_parent )
             playlist_NodeRemoveItem( p_playlist, p_root, p_root->p_parent );
@@ -201,16 +220,17 @@ int playlist_NodeInsert( playlist_t *p_playlist,
                          int i_position )
 {
     PL_ASSERT_LOCKED;
-   (void)p_playlist;
-   assert( p_parent && p_parent->i_children != -1 );
-   if( i_position == -1 ) i_position = p_parent->i_children ;
-
-   INSERT_ELEM( p_parent->pp_children,
-                p_parent->i_children,
-                i_position,
-                p_item );
-   p_item->p_parent = p_parent;
-   return VLC_SUCCESS;
+    (void)p_playlist;
+    assert( p_parent && p_parent->i_children != -1 );
+    if( i_position == -1 ) i_position = p_parent->i_children ;
+    assert( i_position <= p_parent->i_children);
+
+    INSERT_ELEM( p_parent->pp_children,
+                 p_parent->i_children,
+                 i_position,
+                 p_item );
+    p_item->p_parent = p_parent;
+    return VLC_SUCCESS;
 }
 
 /**
@@ -226,46 +246,25 @@ int playlist_NodeRemoveItem( playlist_t *p_playlist,
                         playlist_item_t *p_parent )
 {
     PL_ASSERT_LOCKED;
-   (void)p_playlist;
-
-   for(int i= 0; i< p_parent->i_children ; i++ )
-   {
-       if( p_parent->pp_children[i] == p_item )
-       {
-           REMOVE_ELEM( p_parent->pp_children, p_parent->i_children, i );
-       }
-   }
-
-   return VLC_SUCCESS;
-}
-
-
-/**
- * Count the children of a node
- *
- * \param p_playlist the playlist
- * \param p_node the node
- * \return the number of children
- */
-int playlist_NodeChildrenCount( playlist_t *p_playlist, playlist_item_t*p_node)
-{
-    PL_ASSERT_LOCKED;
-    int i;
-    int i_nb = 0;
+    (void)p_playlist;
 
-    if( p_node->i_children == -1 )
-        return 0;
+    int ret = VLC_EGENERIC;
 
-    i_nb = p_node->i_children;
-    for( i=0 ; i< p_node->i_children;i++ )
+    for(int i= 0; i< p_parent->i_children ; i++ )
     {
-        if( p_node->pp_children[i]->i_children == -1 )
-            break;
-        else
-            i_nb += playlist_NodeChildrenCount( p_playlist,
-                                                p_node->pp_children[i] );
+        if( p_parent->pp_children[i] == p_item )
+        {
+            REMOVE_ELEM( p_parent->pp_children, p_parent->i_children, i );
+            ret = VLC_SUCCESS;
+        }
+    }
+
+    if( ret == VLC_SUCCESS ) {
+        assert( p_item->p_parent == p_parent );
+        p_item->p_parent = NULL;
     }
-    return i_nb;
+
+    return ret;
 }
 
 /**
@@ -296,96 +295,9 @@ playlist_item_t *playlist_ChildSearchName( playlist_item_t *p_node,
     return NULL;
 }
 
-/**
- * Create a pair of nodes in the category and onelevel trees.
- * They share the same input item.
- * \param p_playlist the playlist
- * \param psz_name the name of the nodes
- * \param pp_node_cat pointer to return the node in category tree
- * \param pp_node_one pointer to return the node in onelevel tree
- * \param b_for_sd For Services Discovery ? (make node read-only and unskipping)
- */
-void playlist_NodesPairCreate( playlist_t *p_playlist, const char *psz_name,
-                               playlist_item_t **pp_node_cat,
-                               playlist_item_t **pp_node_one,
-                               bool b_for_sd )
-{
-    PL_ASSERT_LOCKED;
-    *pp_node_cat = playlist_NodeCreate( p_playlist, psz_name,
-                                        p_playlist->p_root_category, 0, NULL );
-    *pp_node_one = playlist_NodeCreate( p_playlist, psz_name,
-                                        p_playlist->p_root_onelevel, 0,
-                                        (*pp_node_cat)->p_input );
-    if( b_for_sd )
-    {
-        (*pp_node_cat)->i_flags |= PLAYLIST_RO_FLAG;
-        (*pp_node_cat)->i_flags |= PLAYLIST_SKIP_FLAG;
-        (*pp_node_one)->i_flags |= PLAYLIST_RO_FLAG;
-        (*pp_node_one)->i_flags |= PLAYLIST_SKIP_FLAG;
-    }
-}
-
-/**
- * Get the node in the preferred tree from a node in one of category
- * or onelevel tree.
- */
-playlist_item_t * playlist_GetPreferredNode( playlist_t *p_playlist,
-                                             playlist_item_t *p_node )
-{
-    PL_ASSERT_LOCKED;
-    int i;
-    if( p_node->p_parent == p_playlist->p_root_category )
-    {
-        if( p_playlist->b_tree )
-            return p_node;
-        for( i = 0 ; i< p_playlist->p_root_onelevel->i_children; i++ )
-        {
-            if( p_playlist->p_root_onelevel->pp_children[i]->p_input->i_id ==
-                    p_node->p_input->i_id )
-                return p_playlist->p_root_onelevel->pp_children[i];
-        }
-    }
-    else if( p_node->p_parent == p_playlist->p_root_onelevel )
-    {
-        if( !p_playlist->b_tree )
-            return p_node;
-        for( i = 0 ; i< p_playlist->p_root_category->i_children; i++ )
-        {
-            if( p_playlist->p_root_category->pp_children[i]->p_input->i_id ==
-                    p_node->p_input->i_id )
-                return p_playlist->p_root_category->pp_children[i];
-        }
-    }
-    return NULL;
-}
-
 /**********************************************************************
  * Tree walking functions
  **********************************************************************/
-
-playlist_item_t *playlist_GetLastLeaf(playlist_t *p_playlist,
-                                      playlist_item_t *p_root )
-{
-    PL_ASSERT_LOCKED;
-    int i;
-    playlist_item_t *p_item;
-    for ( i = p_root->i_children - 1; i >= 0; i-- )
-    {
-        if( p_root->pp_children[i]->i_children == -1 )
-            return p_root->pp_children[i];
-        else if( p_root->pp_children[i]->i_children > 0)
-        {
-             p_item = playlist_GetLastLeaf( p_playlist,
-                                            p_root->pp_children[i] );
-            if ( p_item != NULL )
-                return p_item;
-        }
-        else if( i == 0 )
-            return NULL;
-    }
-    return NULL;
-}
-
 /**
  * Finds the next item to play
  *
@@ -444,7 +356,7 @@ playlist_item_t *playlist_GetPrevLeaf( playlist_t *p_playlist,
     PL_ASSERT_LOCKED;
     playlist_item_t *p_prev;
 
-    PL_DEBUG2( "finding previous os %s within %s", PLI_NAME( p_item ),
+    PL_DEBUG2( "finding previous of %s within %s", PLI_NAME( p_item ),
                                                    PLI_NAME( p_root ) );
     assert( p_root && p_root->i_children != -1 );
 
@@ -481,41 +393,40 @@ playlist_item_t *GetNextItem( playlist_t *p_playlist,
                               playlist_item_t *p_root,
                               playlist_item_t *p_item )
 {
-    playlist_item_t *p_parent;
-    int i;
+    /* If the item is NULL, return the firt child of root */
+    if( p_item == NULL )
+    {
+        if( p_root->i_children > 0 )
+            return p_root->pp_children[0];
+        else
+            return NULL;
+    }
 
     /* Node with children, get the first one */
-    if( p_item && p_item->i_children > 0 )
+    if( p_item->i_children > 0 )
         return p_item->pp_children[0];
 
-    if( p_item != NULL )
-        p_parent = p_item->p_parent;
-    else
-        p_parent = p_root;
-    for( i= 0 ; i < p_parent->i_children ; i++ )
+    playlist_item_t* p_parent = p_item->p_parent;
+    for( int i = 0 ; i < p_parent->i_children ; i++ )
     {
-        if( p_item == NULL || p_parent->pp_children[i] == p_item )
+        if( p_parent->pp_children[i] == p_item )
         {
-            if( p_item == NULL )
-                i = -1;
-
-            if( i+1 >= p_parent->i_children )
+            // Return the next children
+            if( i + 1 < p_parent->i_children )
+                return p_parent->pp_children[i+1];
+            // We are the least one, so try to have uncles
+            else
             {
-                /* Was already the last sibling. Look for uncles */
                 PL_DEBUG2( "Current item is the last of the node,"
                            "looking for uncle from %s",
                             p_parent->p_input->psz_name );
-
                 if( p_parent == p_root )
                 {
                     PL_DEBUG2( "already at root" );
                     return NULL;
                 }
-                return GetNextUncle( p_playlist, p_item, p_root );
-            }
-            else
-            {
-                return  p_parent->pp_children[i+1];
+                else
+                    return GetNextUncle( p_playlist, p_item, p_root );
             }
         }
     }