MediaPlayer: Add support code for url items

* It needs further work to avoid the AudioSupplier being
recreated every time. It makes the BMediaFile to redo the sniffing
process various times.

src/apps/mediaplayer/playlist/ImportPLItemsCommand.cpp

@@ -59,8 +59,7 @@ ImportPLItemsCommand::ImportPLItemsCommand(Playlist* playlist,
 	// init new entries
 	int32 added = 0;
 	for (int32 i = 0; i < fNewCount; i++) {
-		FilePlaylistItem* fileItem = dynamic_cast<FilePlaylistItem*>(temp.ItemAtFast(i));
-		if (fileItem && !Playlist::ExtraMediaExists(playlist, fileItem->Ref())) {
+		if (!Playlist::ExtraMediaExists(playlist, temp.ItemAtFast(i))) {
 			fNewItems[added] = temp.ItemAtFast(i)->Clone();
 			if (fNewItems[added] == NULL) {
 				// indicate bad object init

src/apps/mediaplayer/playlist/Playlist.cpp

@@ -464,7 +464,7 @@ Playlist::AppendRefs(const BMessage* refsReceivedMessage, int32 appendIndex)
 			if (_IsQuery(type))
 				AppendQueryToPlaylist(ref, &subPlaylist);
 			else {
-				if (!ExtraMediaExists(this, ref)) {
+				if (!_ExtraMediaExists(this, ref)) {
 					AppendToPlaylistRecursive(ref, &subPlaylist);
 				}
 			}
@@ -520,7 +520,7 @@ Playlist::AppendToPlaylistRecursive(const entry_ref& ref, Playlist* playlist)
 		BString mimeString = _MIMEString(&ref);
 		if (_IsMediaFile(mimeString)) {
 			PlaylistItem* item = new (std::nothrow) FilePlaylistItem(ref);
-			if (!ExtraMediaExists(playlist, ref)) {
+			if (!_ExtraMediaExists(playlist, ref)) {
 				_BindExtraMedia(item);
 				if (item != NULL && !playlist->AddItem(item))
 					delete item;
@@ -601,7 +601,26 @@ Playlist::NotifyImportFailed()
 
 
 /*static*/ bool
-Playlist::ExtraMediaExists(Playlist* playlist, const entry_ref& ref)
+Playlist::ExtraMediaExists(Playlist* playlist, PlaylistItem* item)
+{
+	FilePlaylistItem* fileItem = dynamic_cast<FilePlaylistItem*>(item);
+	if (fileItem != NULL)
+		return _ExtraMediaExists(playlist, fileItem->Ref());
+
+	// If we are here let's see if it is an url
+	UrlPlaylistItem* urlItem = dynamic_cast<UrlPlaylistItem*>(item);
+	if (urlItem == NULL)
+		return true;
+
+	return _ExtraMediaExists(playlist, urlItem->Url());
+}
+
+
+// #pragma mark - private
+
+
+/*static*/ bool
+Playlist::_ExtraMediaExists(Playlist* playlist, const entry_ref& ref)
 {
 	BString exceptExtension = _GetExceptExtension(BPath(&ref).Path());
 	
@@ -617,7 +636,18 @@ Playlist::ExtraMediaExists(Playlist* playlist, const entry_ref& ref)
 }
 
 
-// #pragma mark - private
+/*static*/ bool
+Playlist::_ExtraMediaExists(Playlist* playlist, BUrl* url)
+{
+	for (int32 i = 0; i < playlist->CountItems(); i++) {
+		UrlPlaylistItem* compare = dynamic_cast<UrlPlaylistItem*>(playlist->ItemAt(i));
+		if (compare == NULL)
+			continue;
+		if (compare->Url() != url)
+			return true;
+	}
+	return false;
+}
 
 
 /*static*/ bool

src/apps/mediaplayer/playlist/Playlist.h

@@ -24,9 +24,11 @@
 
 #include <List.h>
 #include <Locker.h>
+#include <Url.h>
 
 #include "FilePlaylistItem.h"
 #include "PlaylistItem.h"
+#include "UrlPlaylistItem.h"
 
 class BDataIO;
 class BMessage;
@@ -115,13 +117,15 @@ public:
 
 			void				NotifyImportFailed();
 
-	static	bool				ExtraMediaExists(Playlist* playlist, const entry_ref& ref);
+	static	bool				ExtraMediaExists(Playlist* playlist, PlaylistItem* item);
 
 private:
 								Playlist(const Playlist& other);
 			Playlist&			operator=(const Playlist& other);
 									// unimplemented
 
+	static	bool				_ExtraMediaExists(Playlist* playlist, const entry_ref& ref);
+	static	bool				_ExtraMediaExists(Playlist* playlist, BUrl* url);
 	static	bool 				_IsImageFile(const BString& mimeString);
 	static	bool 				_IsMediaFile(const BString& mimeString);
 	static	bool				_IsTextPlaylist(const BString& mimeString);