From 8d6fedf8177d0d2ced81e6d93d35c368b2ac69db Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Wed, 5 Feb 2014 23:20:33 +0100
Subject: Mixer: add class MixerListener

Use a listener interface instead of GlobalEvents.
---
 src/Partition.hxx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/Partition.hxx')

diff --git a/src/Partition.hxx b/src/Partition.hxx
index 57dc9a5f4..cbdce2e86 100644
--- a/src/Partition.hxx
+++ b/src/Partition.hxx
@@ -22,6 +22,7 @@
 
 #include "Playlist.hxx"
 #include "output/MultipleOutputs.hxx"
+#include "mixer/Listener.hxx"
 #include "PlayerControl.hxx"
 
 struct Instance;
@@ -32,7 +33,7 @@ class SongLoader;
  * A partition of the Music Player Daemon.  It is a separate unit with
  * a playlist, a player, outputs etc.
  */
-struct Partition {
+struct Partition final : private MixerListener {
 	Instance &instance;
 
 	struct playlist playlist;
@@ -46,6 +47,7 @@ struct Partition {
 		  unsigned buffer_chunks,
 		  unsigned buffered_before_play)
 		:instance(_instance), playlist(max_length),
+		 outputs(*this),
 		 pc(outputs, buffer_chunks, buffered_before_play) {}
 
 	void ClearQueue() {
@@ -188,6 +190,10 @@ struct Partition {
 	 * Synchronize the player with the play queue.
 	 */
 	void SyncWithPlayer();
+
+private:
+	/* virtual methods from class MixerListener */
+	virtual void OnMixerVolumeChanged(Mixer &mixer, int volume) override;
 };
 
 #endif
-- 
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