X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fplaylist_factory.cc;h=5c3d93a0a0f762ed9fc2bf97cecdc1a5f7653576;hb=fe85575a12d8c81e8d2d08b7d91238a88c8febe7;hp=a801bae76c76d58a1e5e31961b7a8990c66d4579;hpb=99904735e066804358f1d0bd138a84f1e9ecda91;p=ardour.git

diff --git a/libs/ardour/playlist_factory.cc b/libs/ardour/playlist_factory.cc
index a801bae76c..5c3d93a0a0 100644
--- a/libs/ardour/playlist_factory.cc
+++ b/libs/ardour/playlist_factory.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2006 Paul Davis 
+    Copyright (C) 2000-2006 Paul Davis
 
     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
@@ -17,95 +17,117 @@
 
 */
 
-#include <pbd/error.h>
+#include "pbd/error.h"
+#include "pbd/xml++.h"
 
-#include <ardour/playlist.h>
-#include <ardour/audioplaylist.h>
-#include <ardour/midi_playlist.h>
-#include <ardour/playlist_factory.h>
+#include "ardour/playlist.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/midi_playlist.h"
+#include "ardour/playlist_factory.h"
 
 #include "i18n.h"
 
+using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistFactory::PlaylistCreated;
+PBD::Signal2<void,boost::shared_ptr<Playlist>, bool> PlaylistFactory::PlaylistCreated;
 
-boost::shared_ptr<Playlist> 
-PlaylistFactory::create (Session& s, const XMLNode& node, bool hidden) 
+boost::shared_ptr<Playlist>
+PlaylistFactory::create (Session& s, const XMLNode& node, bool hidden, bool unused)
 {
 	const XMLProperty* type = node.property("type");
 
 	boost::shared_ptr<Playlist> pl;
 
-	if ( !type || type->value() == "audio" )
-		pl = boost::shared_ptr<Playlist> (new AudioPlaylist (s, node, hidden));
-	else if ( type->value() == "midi" )
-		pl = boost::shared_ptr<Playlist> (new MidiPlaylist (s, node, hidden));
-
-	pl->set_region_ownership ();
-
-	if (pl && !hidden) {
-		PlaylistCreated (pl);
+	try {
+		if (!type || type->value() == "audio") {
+			pl = boost::shared_ptr<Playlist> (new AudioPlaylist (s, node, hidden));
+		} else if (type->value() == "midi") {
+			pl = boost::shared_ptr<Playlist> (new MidiPlaylist (s, node, hidden));
+		}
+		
+		pl->set_region_ownership ();
+		
+		if (pl && !hidden) {
+			PlaylistCreated (pl, unused);
+		}
+		return pl;
+
+	} catch (...) {
+		return boost::shared_ptr<Playlist> ();
 	}
-	return pl;
 }
 
-boost::shared_ptr<Playlist> 
-PlaylistFactory::create (DataType type, Session& s, string name, bool hidden) 
+boost::shared_ptr<Playlist>
+PlaylistFactory::create (DataType type, Session& s, string name, bool hidden)
 {
 	boost::shared_ptr<Playlist> pl;
 
-	if (type == DataType::AUDIO)
-		pl = boost::shared_ptr<Playlist> (new AudioPlaylist (s, name, hidden));
-	else if (type == DataType::MIDI)
-		pl = boost::shared_ptr<Playlist> (new MidiPlaylist (s, name, hidden));
-
-	if (pl && !hidden) {
-		PlaylistCreated (pl);
+	try {
+		if (type == DataType::AUDIO)
+			pl = boost::shared_ptr<Playlist> (new AudioPlaylist (s, name, hidden));
+		else if (type == DataType::MIDI)
+			pl = boost::shared_ptr<Playlist> (new MidiPlaylist (s, name, hidden));
+		
+		if (pl && !hidden) {
+			PlaylistCreated (pl, false);
+		}
+		
+		return pl;
+	} catch (...) {
+		return boost::shared_ptr<Playlist> ();
 	}
-
-	return pl;
 }
 
-boost::shared_ptr<Playlist> 
-PlaylistFactory::create (boost::shared_ptr<const Playlist> old, string name, bool hidden) 
+boost::shared_ptr<Playlist>
+PlaylistFactory::create (boost::shared_ptr<const Playlist> old, string name, bool hidden)
 {
 	boost::shared_ptr<Playlist> pl;
 	boost::shared_ptr<const AudioPlaylist> apl;
 	boost::shared_ptr<const MidiPlaylist> mpl;
-
-	if ((apl = boost::dynamic_pointer_cast<const AudioPlaylist> (old)) != 0) {
-		pl = boost::shared_ptr<Playlist> (new AudioPlaylist (apl, name, hidden));
-		pl->set_region_ownership ();
-	} else if ((mpl = boost::dynamic_pointer_cast<const MidiPlaylist> (old)) != 0) {
-		pl = boost::shared_ptr<Playlist> (new MidiPlaylist (mpl, name, hidden));
-		pl->set_region_ownership ();
-	}
-
-	if (pl && !hidden) {
-		PlaylistCreated (pl);
+	
+	try {
+
+		if ((apl = boost::dynamic_pointer_cast<const AudioPlaylist> (old)) != 0) {
+			pl = boost::shared_ptr<Playlist> (new AudioPlaylist (apl, name, hidden));
+			pl->set_region_ownership ();
+		} else if ((mpl = boost::dynamic_pointer_cast<const MidiPlaylist> (old)) != 0) {
+			pl = boost::shared_ptr<Playlist> (new MidiPlaylist (mpl, name, hidden));
+			pl->set_region_ownership ();
+		}
+
+		if (pl && !hidden) {
+			PlaylistCreated (pl, false);
+		}
+		
+		return pl;
+	} catch (...) {
+		return boost::shared_ptr<Playlist> ();
 	}
-
-	return pl;
+		
 }
 
-boost::shared_ptr<Playlist> 
-PlaylistFactory::create (boost::shared_ptr<const Playlist> old, nframes_t start, nframes_t cnt, string name, bool hidden) 
+boost::shared_ptr<Playlist>
+PlaylistFactory::create (boost::shared_ptr<const Playlist> old, framepos_t start, framecnt_t cnt, string name, bool hidden)
 {
 	boost::shared_ptr<Playlist> pl;
 	boost::shared_ptr<const AudioPlaylist> apl;
 	boost::shared_ptr<const MidiPlaylist> mpl;
-	
-	if ((apl = boost::dynamic_pointer_cast<const AudioPlaylist> (old)) != 0) {
-		pl = boost::shared_ptr<Playlist> (new AudioPlaylist (apl, start, cnt, name, hidden));
-		pl->set_region_ownership ();
-	} else if ((mpl = boost::dynamic_pointer_cast<const MidiPlaylist> (old)) != 0) {
-		pl = boost::shared_ptr<Playlist> (new MidiPlaylist (mpl, start, cnt, name, hidden));
-		pl->set_region_ownership ();
-	}
 
-	/* this factory method does NOT notify others */
-
-	return pl;
+	try {
+		if ((apl = boost::dynamic_pointer_cast<const AudioPlaylist> (old)) != 0) {
+			pl = boost::shared_ptr<Playlist> (new AudioPlaylist (apl, start, cnt, name, hidden));
+			pl->set_region_ownership ();
+		} else if ((mpl = boost::dynamic_pointer_cast<const MidiPlaylist> (old)) != 0) {
+			pl = boost::shared_ptr<Playlist> (new MidiPlaylist (mpl, start, cnt, name, hidden));
+			pl->set_region_ownership ();
+		}
+		
+		/* this factory method does NOT notify others */
+		
+		return pl;
+	} catch (...) {
+		return boost::shared_ptr<Playlist> ();
+	}
 }