src/control: Implement hierarchical_media_list_view.

include/vlc/libvlc.h

@@ -526,6 +526,10 @@ VLC_PUBLIC_API libvlc_media_list_view_t *
     libvlc_media_list_flat_view( libvlc_media_list_t *,
                                  libvlc_exception_t * );
 
+VLC_PUBLIC_API libvlc_media_list_view_t *
+    libvlc_media_list_hierarchical_view( libvlc_media_list_t *,
+                                         libvlc_exception_t * );
+
 VLC_PUBLIC_API libvlc_event_manager_t *
     libvlc_media_list_event_manager( libvlc_media_list_t *,
                                      libvlc_exception_t * );

src/Makefile.am

@@ -336,6 +336,7 @@ SOURCES_libvlc_control = \
 	control/dynamic_media_list.c \
 	control/event.c \
 	control/flat_media_list_view.c \
+	control/hierarchical_media_list_view.c \
 	control/media_descriptor.c \
 	control/media_instance.c \
 	control/media_list.c \

src/control/hierarchical_media_list_view.c

+/*****************************************************************************
+ * hierarchical_media_list_view.c: libvlc hierarchical media list view functs.
+ *****************************************************************************
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id: flat_media_list.c 21287 2007-08-20 01:28:12Z pdherbemont $
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # 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.
+ *****************************************************************************/
+
+#include "libvlc_internal.h"
+#include <vlc/libvlc.h>
+#include <assert.h>
+#include "vlc_arrays.h"
+
+//#define DEBUG_HIERARCHICAL_VIEW
+
+#ifdef DEBUG_HIERARCHICAL_VIEW
+# define trace( fmt, ... ) printf( "%s(): " fmt, __FUNCTION__, ##__VA_ARGS__ )
+#else
+# define trace( ... )
+#endif
+
+struct libvlc_media_list_view_private_t
+{
+    vlc_array_t array;
+};
+
+/*
+ * Private functions
+ */
+
+/**************************************************************************
+ *       flat_media_list_view_count  (private)
+ * (called by media_list_view_count)
+ **************************************************************************/
+static int
+hierarch_media_list_view_count( libvlc_media_list_view_t * p_mlv,
+                                libvlc_exception_t * p_e )
+{
+    return libvlc_media_list_count( p_mlv->p_mlist, p_e );
+}
+
+/**************************************************************************
+ *       flat_media_list_view_item_at_index  (private)
+ * (called by flat_media_list_view_item_at_index)
+ **************************************************************************/
+static libvlc_media_descriptor_t *
+hierarch_media_list_view_item_at_index( libvlc_media_list_view_t * p_mlv,
+                                    int index,
+                                    libvlc_exception_t * p_e )
+{
+    return libvlc_media_list_item_at_index( p_mlv->p_mlist, index, p_e );
+}
+
+/**************************************************************************
+ *       flat_media_list_view_item_at_index  (private)
+ * (called by flat_media_list_view_item_at_index)
+ **************************************************************************/
+static libvlc_media_list_view_t *
+hierarch_media_list_view_children_at_index( libvlc_media_list_view_t * p_mlv,
+                                        int index,
+                                        libvlc_exception_t * p_e )
+{
+    libvlc_media_descriptor_t * p_md;
+    libvlc_media_list_t * p_submlist;
+    p_md = libvlc_media_list_item_at_index( p_mlv->p_mlist, index, p_e );
+    if( !p_md ) return NULL;
+    p_submlist = libvlc_media_descriptor_subitems( p_md, p_e );
+    if( !p_submlist ) return NULL;
+    return libvlc_media_list_hierarchical_view( p_submlist, p_e );
+}
+
+/**************************************************************************
+ *       flat_media_list_view_release (private)
+ * (called by media_list_view_release)
+ **************************************************************************/
+static void
+hierarch_media_list_view_release( libvlc_media_list_view_t * p_mlv )
+{
+}
+
+/*
+ * Public libvlc functions
+ */
+
+/**************************************************************************
+ *       libvlc_media_list_flat_view (Public)
+ **************************************************************************/
+libvlc_media_list_view_t *
+libvlc_media_list_hierarchical_view( libvlc_media_list_t * p_mlist,
+                                     libvlc_exception_t * p_e )
+{
+    trace("\n");
+    libvlc_media_list_view_t * p_mlv;
+    libvlc_media_list_lock( p_mlist );
+    p_mlv = libvlc_media_list_view_new( p_mlist,
+                                        hierarch_media_list_view_count,
+                                        hierarch_media_list_view_item_at_index,
+                                        hierarch_media_list_view_children_at_index,
+                                        hierarch_media_list_view_release,
+                                        NULL,
+                                        p_e );
+    libvlc_media_list_unlock( p_mlist );
+    return p_mlv;
+}

src/control/libvlc_internal.h

@@ -152,8 +152,8 @@ struct libvlc_media_list_view_t
     libvlc_media_list_view_release_func_t            pf_release;
 
     /* Notification callback */
-    void (*pf_ml_item_added)(const libvlc_event_t *, void *);
-    void (*pf_ml_item_removed)(const libvlc_event_t *, void *);
+    void (*pf_ml_item_added)(const libvlc_event_t *, libvlc_media_list_view_t *);
+    void (*pf_ml_item_removed)(const libvlc_event_t *, libvlc_media_list_view_t *);
 };
 
 struct libvlc_dynamic_media_list_t