Partition: add methods TagModified(), SyncWithPlayer()

Move code from class Instance.

Makefile.am

@@ -159,7 +159,7 @@ src_mpd_SOURCES = \
 	src/MusicChunk.cxx src/MusicChunk.hxx \
 	src/Mapper.cxx src/Mapper.hxx \
 	src/Page.cxx src/Page.hxx \
-	src/Partition.hxx \
+	src/Partition.cxx src/Partition.hxx \
 	src/Permission.cxx src/Permission.hxx \
 	src/PlayerThread.cxx src/PlayerThread.hxx \
 	src/PlayerControl.cxx src/PlayerControl.hxx \

src/Instance.cxx

@@ -38,11 +38,11 @@ Instance::DatabaseModified()
 void
 Instance::TagModified()
 {
-	partition->playlist.TagChanged();
+	partition->TagModified();
 }
 
 void
 Instance::SyncWithPlayer()
 {
-	partition->playlist.SyncWithPlayer(partition->pc);
+	partition->SyncWithPlayer();
 }

src/Partition.cxx

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "Partition.hxx"
+
+void
+Partition::TagModified()
+{
+	playlist.TagChanged();
+}
+
+void
+Partition::SyncWithPlayer()
+{
+	playlist.SyncWithPlayer(pc);
+}

src/Partition.hxx

@@ -165,6 +165,17 @@ struct Partition {
 	void SetConsume(bool new_value) {
 		playlist.SetConsume(new_value);
 	}
+
+	/**
+	 * A tag in the play queue has been modified.  Propagate the
+	 * change to all subsystems.
+	 */
+	void TagModified();
+
+	/**
+	 * Synchronize the player with the play queue.
+	 */
+	void SyncWithPlayer();
 };
 
 #endif