Add methods to MediaList

merge-requests/7/merge
T. Okubo 2015-11-30 22:42:25 +09:00
parent 32ac5eb472
commit efa07191c1
1 changed files with 98 additions and 0 deletions

View File

@ -3,11 +3,109 @@
// Licensed under the MIT license, see the LICENSE file.
use ffi;
use ::{Instance, Media, EventManager};
pub struct MediaList {
pub ptr: *mut ffi::libvlc_media_list_t,
}
impl MediaList {
/// Create an empty media list.
pub fn new(instance: &Instance) -> Option<MediaList> {
unsafe{
let p = ffi::libvlc_media_list_new(instance.ptr);
if p.is_null() { None }else{ Some(MediaList{ptr: p}) }
}
}
/// Associate media instance with this media list instance.
/// If another media instance was present it will be released. The libvlc_media_list_lock should NOT be held upon entering this function.
pub fn set_media(&self, md: &Media) {
unsafe{ ffi::libvlc_media_list_set_media(self.ptr, md.ptr); }
}
/// Get media instance from this media list instance.
/// The MediaList::lock should NOT be held upon entering this function.
pub fn media(&self) -> Option<Media> {
unsafe{
let p = ffi::libvlc_media_list_media(self.ptr);
if p.is_null() { None }else{ Some(Media{ptr: p}) }
}
}
/// Add media instance to media list.
/// The MediaList::lock should be held upon entering this function.
pub fn add_media(&self, md: &Media) -> Result<(), ()> {
unsafe{
if ffi::libvlc_media_list_add_media(self.ptr, md.ptr) == 0 { Ok(()) }else{ Err(()) }
}
}
/// Insert media instance in media list on a position.
/// The MediaList::lock should be held upon entering this function.
pub fn insert_media(&self, md: &Media, pos: i32) -> Result<(), ()> {
unsafe{
if ffi::libvlc_media_list_insert_media(self.ptr, md.ptr, pos) == 0 { Ok(()) }else{ Err(()) }
}
}
/// Remove media instance from media list on a position.
/// The MediaList::lock should be held upon entering this function.
pub fn remove_index(&self, pos: i32) -> Result<(), ()> {
unsafe{
if ffi::libvlc_media_list_remove_index(self.ptr, pos) == 0 { Ok(()) }else{ Err(()) }
}
}
/// Get count on media list items.
/// The MediaList::lock should be held upon entering this function.
pub fn count(&self) -> i32 {
unsafe{ ffi::libvlc_media_list_count(self.ptr) }
}
/// List media instance in media list at a position.
/// The MediaList::lock should be held upon entering this function.
pub fn item_at_index(&self, pos: i32) -> Option<Media> {
unsafe{
let p = ffi::libvlc_media_list_item_at_index(self.ptr, pos);
if p.is_null() { None }else{ Some(Media{ptr: p}) }
}
}
/// Find index position of List media instance in media list.
pub fn index_of_item(&self, md: &Media) -> Option<i32> {
unsafe{
let i = ffi::libvlc_media_list_index_of_item(self.ptr, md.ptr);
if i == -1 { None }else{ Some(i) }
}
}
/// This indicates if this media list is read-only from a user point of view.
pub fn is_readonly(&self) -> bool {
unsafe{ if ffi::libvlc_media_list_is_readonly(self.ptr) == 0 { false }else{ true } }
}
/// Get lock on media list items
pub fn lock(&self) {
unsafe{ ffi::libvlc_media_list_lock(self.ptr); }
}
/// Release lock on media list items
/// The libvlc_media_list_lock should be held upon entering this function.
pub fn unlock(&self) {
unsafe{ ffi::libvlc_media_list_unlock(self.ptr); }
}
/// Get EventManager from this media list instance.
pub fn event_manager<'a>(&'a self) -> EventManager<'a> {
unsafe{
let p = ffi::libvlc_media_list_event_manager(self.ptr);
assert!(!p.is_null());
EventManager{ptr: p, _phantomdata: ::std::marker::PhantomData}
}
}
}
impl Drop for MediaList {
fn drop(&mut self) {
unsafe{ ffi::libvlc_media_list_release(self.ptr) };