X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=mood.c;h=93461ee845c558ec30c0da78bf548939f1247857;hp=f3ce9e0aa11a691202397039ecd275c1fd05268a;hb=bda95f9508b456dcea89d300f6d4104e30ab9f3e;hpb=ec354cf583bc2838ecfac64c428d3f992681c5fc

diff --git a/mood.c b/mood.c
index f3ce9e0a..93461ee8 100644
--- a/mood.c
+++ b/mood.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2011 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -35,7 +35,7 @@ struct afs_statistics {
 	/** Number of admissible files */
 	unsigned num;
 };
-struct afs_statistics statistics;
+static struct afs_statistics statistics;
 
 /**
  * Each line of the current mood corresponds to a mood_item.
@@ -79,13 +79,13 @@ struct mood {
 static struct mood *current_mood;
 
 /**
- *  Rough approximation to sqrt.
+ * Rough approximation to sqrt.
  *
- *  \param x Integer of which to calculate the sqrt.
+ * \param x Integer of which to calculate the sqrt.
  *
- *  \return An integer res with res * res <= x.
+ * \return An integer res with res * res <= x.
  */
-static uint64_t int_sqrt(uint64_t x)
+__a_const static uint64_t int_sqrt(uint64_t x)
 {
 	uint64_t op, res, one = 1;
 	op = x;
@@ -873,7 +873,7 @@ out:
  *
  * \sa mood_open(), mood_close().
  */
-int reload_current_mood(void)
+static int reload_current_mood(void)
 {
 	int ret;
 	char *mood_name = NULL;
@@ -890,10 +890,25 @@ int reload_current_mood(void)
 	return ret;
 }
 
+/**
+ * Notification callback for the moods table.
+ *
+ * \param event Type of the event just occurred.
+ * \param pb Unused.
+ * \param data Its type depends on the event.
+ *
+ * This function performs actions required due to the occurrence of the given
+ * event. Possible actions include reload of the current mood and update of the
+ * score of an audio file.
+ */
 int moods_event_handler(enum afs_events event, __a_unused struct para_buffer *pb,
 		void *data)
 {
-	switch(event) {
+	int ret;
+
+	if (!current_mood)
+		return 0;
+	switch (event) {
 	/*
 	 * The three blob events might change the set of admissible files,
 	 * so we must reload the score list.
@@ -903,6 +918,10 @@ int moods_event_handler(enum afs_events event, __a_unused struct para_buffer *pb
 	case BLOB_ADD:
 		if (data == moods_table || data == playlists_table)
 			return 1; /* no reload necessary for these */
+		ret = clear_score_table();
+		if (ret < 0)
+			PARA_CRIT_LOG("clear score table returned %s\n",
+				para_strerror(-ret));
 		return reload_current_mood();
 	/* these also require reload of the score table */
 	case ATTRIBUTE_ADD:
@@ -924,4 +943,3 @@ int moods_event_handler(enum afs_events event, __a_unused struct para_buffer *pb
 		return 1;
 	}
 }
-