Partition: eliminate GlobalEvents.hxx, add mask constants

Makefile.am

@@ -132,7 +132,6 @@ libmpd_a_SOURCES = \
 	src/IOThread.cxx src/IOThread.hxx \
 	src/Instance.cxx src/Instance.hxx \
 	src/win32/Win32Main.cxx \
-	src/GlobalEvents.hxx \
 	src/MixRampInfo.hxx \
 	src/MusicBuffer.cxx src/MusicBuffer.hxx \
 	src/MusicPipe.cxx src/MusicPipe.hxx \

src/GlobalEvents.hxx

@@ -1,35 +0,0 @@
-/*
- * Copyright 2003-2016 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.
- */
-
-#ifndef MPD_GLOBAL_EVENTS_HXX
-#define MPD_GLOBAL_EVENTS_HXX
-
-namespace GlobalEvents {
-	enum Event {
-		/** must call playlist_sync() */
-		PLAYLIST,
-
-		/** the current song's tag has changed */
-		TAG,
-
-		MAX
-	};
-}
-
-#endif /* MAIN_NOTIFY_H */

src/Partition.cxx

@@ -23,7 +23,6 @@
 #include "DetachedSong.hxx"
 #include "mixer/Volume.hxx"
 #include "Idle.hxx"
-#include "GlobalEvents.hxx"
 
 Partition::Partition(Instance &_instance,
 		     unsigned max_length,
@@ -37,15 +36,6 @@ Partition::Partition(Instance &_instance,
 {
 }
 
-void
-Partition::EmitGlobalEvent(GlobalEvents::Event event)
-{
-	assert((unsigned)event < GlobalEvents::MAX);
-
-	const unsigned mask = 1u << unsigned(event);
-	global_events.OrMask(mask);
-}
-
 void
 Partition::EmitIdle(unsigned mask)
 {
@@ -106,13 +96,13 @@ Partition::OnQueueSongStarted()
 void
 Partition::OnPlayerSync()
 {
-	EmitGlobalEvent(GlobalEvents::PLAYLIST);
+	EmitGlobalEvent(SYNC_WITH_PLAYER);
 }
 
 void
 Partition::OnPlayerTagModified()
 {
-	EmitGlobalEvent(GlobalEvents::TAG);
+	EmitGlobalEvent(TAG_MODIFIED);
 }
 
 void
@@ -127,9 +117,9 @@ Partition::OnMixerVolumeChanged(gcc_unused Mixer &mixer, gcc_unused int volume)
 void
 Partition::OnGlobalEvent(unsigned mask)
 {
-	if ((mask & (1u << unsigned(GlobalEvents::TAG))) != 0)
+	if ((mask & TAG_MODIFIED) != 0)
 		TagModified();
 
-	if ((mask & (1u << unsigned(GlobalEvents::PLAYLIST))) != 0)
+	if ((mask & SYNC_WITH_PLAYER) != 0)
 		SyncWithPlayer();
 }

src/Partition.hxx

@@ -21,7 +21,6 @@
 #define MPD_PARTITION_HXX
 
 #include "event/MaskMonitor.hxx"
-#include "GlobalEvents.hxx"
 #include "queue/Playlist.hxx"
 #include "queue/Listener.hxx"
 #include "output/MultipleOutputs.hxx"
@@ -40,6 +39,9 @@ class SongLoader;
  * a playlist, a player, outputs etc.
  */
 struct Partition final : QueueListener, PlayerListener, MixerListener {
+	static constexpr unsigned TAG_MODIFIED = 0x1;
+	static constexpr unsigned SYNC_WITH_PLAYER = 0x2;
+
 	Instance &instance;
 
 	CallbackMaskMonitor<Partition> global_events;
@@ -55,7 +57,9 @@ struct Partition final : QueueListener, PlayerListener, MixerListener {
 		  unsigned buffer_chunks,
 		  unsigned buffered_before_play);
 
-	void EmitGlobalEvent(GlobalEvents::Event event);
+	void EmitGlobalEvent(unsigned mask) {
+		global_events.OrMask(mask);
+	}
 
 	void EmitIdle(unsigned mask);