X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=playlist.c;h=826280b9270ff9bc8c9a37f46e376d69a1422671;hp=56e19fed307459fb7fd487bfa82c02db7c7b2f8b;hb=9492ba2d1b8f21af37436b121569e51a9b1df0c0;hpb=c2ac39f76d245816a919d94790672fb66e9a7253

diff --git a/playlist.c b/playlist.c
index 56e19fed..826280b9 100644
--- a/playlist.c
+++ b/playlist.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
 #include "para.h"
 #include "error.h"
 #include "string.h"
@@ -22,7 +28,7 @@ static struct playlist_info current_playlist;
  *
  * \return The return value of score_update().
  */
-int playlist_update_audio_file(struct osl_row *aft_row)
+static int playlist_update_audio_file(const struct osl_row *aft_row)
 {
 	/* always re-insert to the top of the tree */
 	return score_update(aft_row, 0);
@@ -78,18 +84,6 @@ err:
 	return 1;
 }
 
-static int load_first_available_playlist(struct playlist_info *playlist)
-{
-	int ret = osl_rbtree_loop(playlists_table, BLOBCOL_NAME, playlist,
-		load_playlist);
-	if (ret == -E_PLAYLIST_LOADED) /* success */
-		return 1;
-	if (ret < 0)
-		return ret; /* error */
-	PARA_NOTICE_LOG("no valid playlist found\n");
-	return -E_NO_PLAYLIST;
-}
-
 static int check_playlist_path(char *path, void *data)
 {
 	struct para_buffer *pb = data;
@@ -150,6 +144,8 @@ int playlist_check_callback(__a_unused const struct osl_object *query,
  */
 void playlist_close(void)
 {
+	if (!current_playlist.name)
+		return;
 	free(current_playlist.name);
 	current_playlist.name = NULL;
 }
@@ -159,12 +155,10 @@ void playlist_close(void)
  *
  * \param name The name of the playlist to open.
  *
- * If name is \p NULL, load the first available playlist. Files which are
- * listed in the playlist, but not contained in the database are ignored.
- * This is not considered an error.
+ * Files which are listed in the playlist, but not contained in the database
+ * are ignored.  This is not considered an error.
  *
- * \return Positive on success, negative on errors. Possible errors
- * include: Given playlist not found, -E_NO_PLAYLIST (no playlist defined).
+ * \return Standard.
  */
 int playlist_open(char *name)
 {
@@ -172,8 +166,6 @@ int playlist_open(char *name)
 	int ret;
 	struct osl_row *row;
 
-	if (!name)
-		return load_first_available_playlist(&current_playlist);
 	obj.data = name;
 	obj.size = strlen(obj.data);
 	ret = osl_get_row(playlists_table, BLOBCOL_NAME, &obj, &row);
@@ -181,8 +173,9 @@ int playlist_open(char *name)
 		PARA_NOTICE_LOG("failed to load playlist %s\n", name);
 		return ret;
 	}
+	playlist_close();
 	ret = load_playlist(row, &current_playlist);
-	return (ret == -E_PLAYLIST_LOADED)? 1 : ret;
+	return (ret == -E_PLAYLIST_LOADED)? current_playlist.length : ret;
 }
 
 static int search_path(char *path, void *data)
@@ -230,12 +223,24 @@ static int handle_audio_file_event(enum afs_events event, void *data)
 	return score_add(row, 0); /* play it immediately */
 }
 
-int playlists_event_handler(enum afs_events event, struct para_buffer *pb,
-		void *data)
+/**
+ * Handle afs events relevant to playlists.
+ *
+ * \param event The event type.
+ * \param pb Unused.
+ * \param data Depends on the event type.
+ *
+ * \return Standard.
+ */
+int playlists_event_handler(enum afs_events event,
+	__a_unused struct para_buffer *pb, void *data)
 {
 	int ret;
+	struct afsi_change_event_data *aced = data;
 
 	switch(event) {
+	case AFSI_CHANGE:
+		return playlist_update_audio_file(aced->aft_row);
 	case AUDIO_FILE_RENAME:
 	case AUDIO_FILE_ADD:
 		return handle_audio_file_event(event, data);