Start Disobedience switch from _monitor interface to event_ interface.

[disorder] / disobedience / log.c

diff --git a/disobedience/log.c b/disobedience/log.c
index 45d5a9e..ced5eee 100644 (file)
--- a/disobedience/log.c
+++ b/disobedience/log.c
@@ -41,6 +41,7 @@ static void log_removed(void *v, const char *id, const char *user);
 static void log_scratched(void *v, const char *track, const char *user);
 static void log_state(void *v, unsigned long state);
 static void log_volume(void *v, int l, int r);
+static void log_rescanned(void *v);
 
 /** @brief Callbacks for server state monitoring */
 const disorder_eclient_log_callbacks log_callbacks = {
@@ -55,7 +56,8 @@ const disorder_eclient_log_callbacks log_callbacks = {
   log_removed,
   log_scratched,
   log_state,
-  log_volume
+  log_volume,
+  log_rescanned
 };
 
 /** @brief State monitor
@@ -81,10 +83,12 @@ static struct monitor *monitors;
 
 /** @brief Update everything */
 void all_update(void) {
-  queue_update();
-  recent_update();
-  volume_update();
-  added_update();
+  ++suppress_actions;
+  event_raise("queue-changed", 0);
+  event_raise("recent-changed", 0);
+  event_raise("volume-changed", 0);
+  event_raise("added-changed", 0);
+  --suppress_actions;
 }
 
 /** @brief Called when the client connects
@@ -116,7 +120,7 @@ static void log_failed(void attribute((unused)) *v,
 /** @brief Called when some track is moved within the queue */
 static void log_moved(void attribute((unused)) *v,
                       const char attribute((unused)) *user) {
-  queue_update();
+  event_raise("queue-changed", 0);
 }
 
 static void log_playing(void attribute((unused)) *v,
@@ -127,13 +131,13 @@ static void log_playing(void attribute((unused)) *v,
 /** @brief Called when a track is added to the queue */
 static void log_queue(void attribute((unused)) *v,
                       struct queue_entry attribute((unused)) *q) {
-  queue_update();
+  event_raise("queue-changed", 0);
 }
 
 /** @brief Called when a track is added to the recently-played list */
 static void log_recent_added(void attribute((unused)) *v,
                              struct queue_entry attribute((unused)) *q) {
-  recent_update();
+  event_raise("recent-changed", 0);
 }
 
 /** @brief Called when a track is removed from the recently-played list
@@ -149,8 +153,7 @@ static void log_recent_removed(void attribute((unused)) *v,
 static void log_removed(void attribute((unused)) *v,
                         const char attribute((unused)) *id,
                         const char attribute((unused)) *user) {
-
-  queue_update();
+  event_raise("queue-changed", 0);
 }
 
 /** @brief Called when the current track is scratched */
@@ -159,13 +162,26 @@ static void log_scratched(void attribute((unused)) *v,
                           const char attribute((unused)) *user) {
 }
 
+/** @brief Map from state bits to state change events */
+static const struct {
+  unsigned long bit;
+  const char *event;
+} state_events[] = {
+  { DISORDER_PLAYING_ENABLED, "enabled-changed" },
+  { DISORDER_RANDOM_ENABLED, "random-changed" },
+  { DISORDER_TRACK_PAUSED, "pause-changed" },
+  { DISORDER_PLAYING, "playing-changed" },
+};
+#define NSTATE_EVENTS (sizeof state_events / sizeof *state_events)
+
 /** @brief Called when a state change occurs */
 static void log_state(void attribute((unused)) *v,
                       unsigned long state) {
   const struct monitor *m;
   unsigned long changes = state ^ last_state;
   static int first = 1;
-  
+
+  ++suppress_actions;
   if(first) {
     changes = -1UL;
     first = 0;
@@ -175,23 +191,35 @@ static void log_state(void attribute((unused)) *v,
      disorder_eclient_interpret_state(state),
      disorder_eclient_interpret_state(changes)));
   last_state = state;
+  /* Notify interested parties what has changed */
+  for(unsigned n = 0; n < NSTATE_EVENTS; ++n)
+    if(changes & state_events[n].bit)
+      event_raise(state_events[n].event, 0);
   /* Tell anything that cares about the state change */
   for(m = monitors; m; m = m->next) {
     if(changes & m->mask)
       m->callback(m->u);
   }
+  --suppress_actions;
 }
 
 /** @brief Called when volume changes */
 static void log_volume(void attribute((unused)) *v,
                        int l, int r) {
-  if(volume_l != l || volume_r != r) {
+  if(!rtp_supported && (volume_l != l || volume_r != r)) {
     volume_l = l;
     volume_r = r;
-    volume_update();
+    ++suppress_actions;
+    event_raise("volume-changed", 0);
+    --suppress_actions;
   }
 }
 
+/** @brief Called when a rescan completes */
+static void log_rescanned(void attribute((unused)) *v) {
+  event_raise("added-changed", 0);
+}
+
 /** @brief Add a monitor to the list
  * @param callback Function to call
  * @param u User data to pass to @p callback