/**
* Create a new media list item for a give native media instance.
*
* @param mediaInstance native media instance
* @return media list item
*/
private MediaListItem NewMediaListItem(IntPtr mediaInstance)
{
string name = NativeString.GetNativeString(LibVlc.libvlc_media_get_meta(mediaInstance, (int)libvlc_meta_e.libvlc_meta_Title));
string mrl = NativeString.GetNativeString(LibVlc.libvlc_media_get_mrl(mediaInstance));
List <MediaListItem> subItems;
IntPtr subItemList = LibVlc.libvlc_media_subitems(mediaInstance);
if (subItemList != IntPtr.Zero)
{
try {
LibVlc.libvlc_media_list_lock(subItemList);
subItems = new List <MediaListItem>();
for (int i = 0; i < LibVlc.libvlc_media_list_count(subItemList); i++)
{
IntPtr subItemInstance = LibVlc.libvlc_media_list_item_at_index(subItemList, i);
subItems.Add(NewMediaListItem(subItemInstance));
LibVlc.libvlc_media_release(subItemInstance);
}
}
finally {
LibVlc.libvlc_media_list_unlock(subItemList);
}
LibVlc.libvlc_media_list_release(subItemList);
}
else
{
subItems = new List <MediaListItem>(0);
}
return(new MediaListItem(name, mrl, subItems));
}
/**
* Get the number of items currently in the list.
*
* @return item count
*/
public int Size()
{
Logger.Debug("Size()");
try {
LockList();
int size = LibVlc.libvlc_media_list_count(mediaListInstance);
return(size);
}
finally {
UnlockList();
}
}
/**
* Clear the list.
*/
public void Clear()
{
Logger.Debug("Clear()");
try {
LockList();
// Traverse the list from the end back to the start...
for (int i = LibVlc.libvlc_media_list_count(mediaListInstance) - 1; i >= 0; i--)
{
LibVlc.libvlc_media_list_remove_index(mediaListInstance, i);
}
}
finally {
UnlockList();
}
}
/**
* Get the list of items.
*
* @return list of items
*/
// FIXME readonly collection?
public List <MediaListItem> Items()
{
Logger.Debug("Items()");
List <MediaListItem> result = new List <MediaListItem>();
try {
LockList();
for (int i = 0; i < LibVlc.libvlc_media_list_count(mediaListInstance); i++)
{
IntPtr mediaInstance = LibVlc.libvlc_media_list_item_at_index(mediaListInstance, i);
result.Add(NewMediaListItem(mediaInstance));
}
}
finally {
UnlockList();
}
return(result);
}
