Actually added the code mentioned in my last commit. Whoops.

git-svn-id: svn://localhost/ardour2/branches/midi@643 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 109 insertions, 0 deletions

diff --git a/libs/ardour/ardour/midi_playlist.h b/libs/ardour/ardour/midi_playlist.h
new file mode 100644
index 0000000000..da3a72a3fd
--- /dev/null
+++ b/libs/ardour/ardour/midi_playlist.h
@@ -0,0 +1,109 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+	Written by Dave Robillard, 2006
+ 
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __ardour_midi_playlist_h__
+#define __ardour_midi_playlist_h__
+
+#include <vector>
+#include <list>
+
+#include <ardour/ardour.h>
+#include <ardour/playlist.h>
+
+namespace ARDOUR
+{
+
+class Session;
+class Region;
+class MidiRegion;
+class Source;
+
+class MidiPlaylist : public ARDOUR::Playlist
+{
+private:
+
+	struct State : public ARDOUR::StateManager::State
+	{
+		RegionList regions;
+		std::list<UndoAction> region_states;
+
+		State (std::string why) : ARDOUR::StateManager::State (why)
+		{}
+		~State ();
+	};
+
+public:
+	MidiPlaylist (Session&, const XMLNode&, bool hidden = false);
+	MidiPlaylist (Session&, string name, bool hidden = false);
+	MidiPlaylist (const MidiPlaylist&, string name, bool hidden = false);
+	MidiPlaylist (const MidiPlaylist&, jack_nframes_t start, jack_nframes_t cnt,
+	              string name, bool hidden = false);
+
+	jack_nframes_t read (unsigned char *dst, unsigned char *mixdown,
+	                     char * workbuf, jack_nframes_t start, jack_nframes_t cnt, uint32_t chan_n=0);
+
+	int set_state (const XMLNode&);
+	UndoAction get_memento() const;
+
+	template<class T>
+	void apply_to_history (T& obj, void (T::*method)(const ARDOUR::StateManager::StateMap&, state_id_t))
+	{
+		RegionLock rlock (this);
+		(obj.*method) (states, _current_state_id);
+	}
+
+	bool destroy_region (Region*);
+
+	void get_equivalent_regions (const MidiRegion&, std::vector<MidiRegion*>&);
+	void get_region_list_equivalent_regions (const MidiRegion&, std::vector<MidiRegion*>&);
+
+	void drop_all_states ();
+
+protected:
+
+	/* state management */
+
+	StateManager::State* state_factory (std::string) const;
+	Change restore_state (StateManager::State&);
+	void send_state_change (Change);
+
+	/* playlist "callbacks" */
+	void flush_notifications ();
+
+	void finalize_split_region (Region *orig, Region *left, Region *right);
+
+	void refresh_dependents (Region& region);
+	void check_dependents (Region& region, bool norefresh);
+	void remove_dependents (Region& region);
+
+protected:
+	~MidiPlaylist (); /* public should use unref() */
+
+private:
+	XMLNode& state (bool full_state);
+	void dump () const;
+
+	bool region_changed (Change, Region*);
+};
+
+} /* namespace ARDOUR */
+
+#endif	/* __ardour_midi_playlist_h__ */
+
+