Add methods to MediaList

src/media_list.rs

@@ -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) };