From 0346cdc2810b5bca69e9754fa3865e2eb3035807 Mon Sep 17 00:00:00 2001
From: Tim Mayberry <mojofunk@gmail.com>
Date: Sun, 17 Jun 2007 00:45:50 +0000
Subject: [PATCH] Forward declare the SessionDirectory class in session.h to
 reduce compilation dependencies

git-svn-id: svn://localhost/ardour2/trunk@1996 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/ardour/session.h           |  6 ++++--
 libs/ardour/ardour/session_directory.h |  1 +
 libs/ardour/session.cc                 | 13 +++++++------
 libs/ardour/session_state.cc           |  3 ++-
 4 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 84c334f590..eeb0870792 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -27,6 +27,7 @@
 #include <set>
 #include <stack>
 
+#include <boost/scoped_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/dynamic_bitset.hpp>
 
@@ -53,7 +54,6 @@
 #include <ardour/location.h>
 #include <ardour/gain.h>
 #include <ardour/io.h>
-#include <ardour/session_directory.h>
 
 #include <ardour/smpte.h>
 
@@ -107,6 +107,8 @@ class MidiTrack;
 class MidiRegion;
 class SMFSource;
 
+class SessionDirectory;
+
 struct AudioExportSpecification;
 struct RouteGroup;
 
@@ -1095,7 +1097,7 @@ class Session : public PBD::StatefulDestructible
 	bool                     loop_changing;
 	nframes_t           last_loopend;
 
-	SessionDirectory         _session_dir;
+	boost::scoped_ptr<SessionDirectory>        _session_dir;
 
 	RingBuffer<Event*> pending_events;
 
diff --git a/libs/ardour/ardour/session_directory.h b/libs/ardour/ardour/session_directory.h
index 41667a6807..93340a991a 100644
--- a/libs/ardour/ardour/session_directory.h
+++ b/libs/ardour/ardour/session_directory.h
@@ -33,6 +33,7 @@ using PBD::sys::path;
 class SessionDirectory
 {
 public:
+
 	/**
 	 * @param session_path An absolute path to a session directory.
 	 */
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index ba5edddac1..71653a6896 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -44,6 +44,7 @@
 #include <ardour/audioengine.h>
 #include <ardour/configuration.h>
 #include <ardour/session.h>
+#include <ardour/session_directory.h>
 #include <ardour/utils.h>
 #include <ardour/audio_diskstream.h>
 #include <ardour/audioplaylist.h>
@@ -111,7 +112,7 @@ Session::Session (AudioEngine &eng,
 	  _mmc_port (default_mmc_port),
 	  _mtc_port (default_mtc_port),
 	  _midi_port (default_midi_port),
-	  _session_dir (fullpath),
+	  _session_dir (new SessionDirectory(fullpath)),
 	  pending_events (2048),
 	  //midi_requests (128), // the size of this should match the midi request pool size
 	  _send_smpte_update (false),
@@ -136,7 +137,7 @@ Session::Session (AudioEngine &eng,
 		// try and create a new session directory
 		try
 		{
-			if(!_session_dir.create()) {
+			if(!_session_dir->create()) {
 				// an existing session.
 				// throw a_more_meaningful_exception()
 				destroy ();
@@ -163,7 +164,7 @@ Session::Session (AudioEngine &eng,
 		{
 			// ensure the necessary session subdirectories exist
 			// in case the directory structure has changed etc.
-			_session_dir.create();
+			_session_dir->create();
 		}
 		catch(sys::filesystem_error& ex)
 		{
@@ -212,7 +213,7 @@ Session::Session (AudioEngine &eng,
 	  _mmc_port (default_mmc_port),
 	  _mtc_port (default_mtc_port),
 	  _midi_port (default_midi_port),
-	  _session_dir (fullpath),
+	  _session_dir ( new SessionDirectory(fullpath)),
 	  pending_events (2048),
 	  //midi_requests (16),
 	  _send_smpte_update (false),
@@ -242,7 +243,7 @@ Session::Session (AudioEngine &eng,
 
 	initialize_start_and_end_locations(0, initial_length);
 	
-	if (!_session_dir.create () || !create_session_file ())	{
+	if (!_session_dir->create () || !create_session_file ())	{
 		destroy ();
 		throw failed_constructor ();
 	}
@@ -3366,7 +3367,7 @@ Session::remove_empty_sounds ()
 {
 	PathScanner scanner;
 
-	vector<string *>* possible_audiofiles = scanner (_session_dir.sound_path().to_string (),
+	vector<string *>* possible_audiofiles = scanner (_session_dir->sound_path().to_string (),
 			Config->get_possible_audio_file_regexp (), false, true);
 	
 	Glib::Mutex::Lock lm (source_lock);
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index 793093cf70..29df9477b6 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -63,6 +63,7 @@
 #include <ardour/audioengine.h>
 #include <ardour/configuration.h>
 #include <ardour/session.h>
+#include <ardour/session_directory.h>
 #include <ardour/buffer.h>
 #include <ardour/audio_diskstream.h>
 #include <ardour/midi_diskstream.h>
@@ -2628,7 +2629,7 @@ Session::find_all_sources (string path, set<string>& result)
 			continue;
 		}
 
-		sys::path source_path = _session_dir.sound_path ();
+		sys::path source_path = _session_dir->sound_path ();
 
 		source_path /= prop->value ();