rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 544 insertions, 0 deletions

diff --git a/libs/ardour/session_command.cc b/libs/ardour/session_command.cc
new file mode 100644
index 0000000000..e8670e7199
--- /dev/null
+++ b/libs/ardour/session_command.cc
@@ -0,0 +1,544 @@
+/*
+    Copyright (C) 2000-2007 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
+    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.
+
+*/
+
+#include <ardour/session.h>
+#include <ardour/route.h>
+#include <pbd/memento_command.h>
+#include <ardour/diskstream.h>
+#include <ardour/playlist.h>
+#include <ardour/audioplaylist.h>
+#include <ardour/audio_track.h>
+#include <ardour/midi_playlist.h>
+#include <ardour/midi_track.h>
+#include <ardour/tempo.h>
+#include <ardour/audiosource.h>
+#include <ardour/audioregion.h>
+#include <ardour/midi_source.h>
+#include <ardour/midi_region.h>
+#include <pbd/error.h>
+#include <pbd/id.h>
+#include <pbd/statefuldestructible.h>
+#include <pbd/failed_constructor.h>
+
+using namespace PBD;
+using namespace ARDOUR;
+
+#include "i18n.h"
+
+void Session::register_with_memento_command_factory(PBD::ID id, PBD::StatefulThingWithGoingAway *ptr)
+{
+    registry[id] = ptr;
+}
+    
+Command *
+Session::memento_command_factory(XMLNode *n)
+{
+    PBD::ID id;
+    XMLNode *before = 0, *after = 0;
+    XMLNode *child = 0;
+
+    /* get id */
+    id = PBD::ID(n->property("obj_id")->value());
+
+    /* get before/after */
+
+    if (n->name() == "MementoCommand") {
+	    before = new XMLNode(*n->children().front());
+	    after = new XMLNode(*n->children().back());
+	    child = before;
+    } else if (n->name() == "MementoUndoCommand") {
+	    before = new XMLNode(*n->children().front());
+	    child = before;
+    } else if (n->name() == "MementoRedoCommand") {
+	    after = new XMLNode(*n->children().front());
+	    child = after;
+    } else if (n->name() == "PlaylistCommand") {
+	    before = new XMLNode(*n->children().front());
+	    after = new XMLNode(*n->children().back());
+	    child = before;
+    }
+		    
+    if (!child)
+    {
+	error << _("Tried to reconstitute a MementoCommand with no contents, failing. id=") << id.to_s() << endmsg;
+	return 0;
+    }
+
+    /* create command */
+    string obj_T = n->property ("type_name")->value();
+    if (obj_T == typeid (AudioRegion).name() || obj_T == typeid (MidiRegion).name() || obj_T == typeid (Region).name()) {
+	    if (regions.count(id)) {
+		    return new MementoCommand<Region>(*regions[id], before, after);
+	    }
+    } else if (obj_T == typeid (AudioSource).name() || obj_T == typeid (MidiSource).name()) {
+	    if (sources.count(id))
+		    return new MementoCommand<Source>(*sources[id], before, after);
+    } else if (obj_T == typeid (Location).name()) {
+	    Location* loc = _locations.get_location_by_id(id);
+	    if (loc) {
+		    return new MementoCommand<Location>(*loc, before, after);
+	    }
+    } else if (obj_T == typeid (Locations).name()) {
+	    return new MementoCommand<Locations>(_locations, before, after);
+    } else if (obj_T == typeid (TempoMap).name()) {
+	    return new MementoCommand<TempoMap>(*_tempo_map, before, after);
+    } else if (obj_T == typeid (Playlist).name() || obj_T == typeid (AudioPlaylist).name() || obj_T == typeid (MidiPlaylist).name()) {
+	    if (boost::shared_ptr<Playlist> pl = playlist_by_name(child->property("name")->value())) {
+		    return new MementoCommand<Playlist>(*(pl.get()), before, after);
+	    }
+    } else if (obj_T == typeid (Route).name() || obj_T == typeid (AudioTrack).name() || obj_T == typeid(MidiTrack).name()) { 
+	    return new MementoCommand<Route>(*route_by_id(id), before, after);
+    } else if (obj_T == typeid (Curve).name() || obj_T == typeid (AutomationList).name()) {
+	    if (automation_lists.count(id))
+		    return new MementoCommand<AutomationList>(*automation_lists[id], before, after);
+    } else if (registry.count(id)) { // For Editor and AutomationLine which are off-limits here
+	    return new MementoCommand<PBD::StatefulThingWithGoingAway>(*registry[id], before, after);
+    }
+
+    /* we failed */
+    error << string_compose (_("could not reconstitute MementoCommand from XMLNode. object type = %1 id = %2"), obj_T, id.to_s()) << endmsg;
+
+    return 0 ;
+}
+
+Command *
+Session::global_state_command_factory (const XMLNode& node)
+{
+	const XMLProperty* prop;
+	Command* command = 0;
+
+	if ((prop = node.property ("type")) == 0) {
+		error << _("GlobalRouteStateCommand has no \"type\" node, ignoring") << endmsg;
+		return 0;
+	}
+	
+	try {
+
+		if (prop->value() == "solo") {
+			command = new GlobalSoloStateCommand (*this, node);
+		} else if (prop->value() == "mute") {
+			command = new GlobalMuteStateCommand (*this, node);
+		} else if (prop->value() == "rec-enable") {
+			command = new GlobalRecordEnableStateCommand (*this, node);
+		} else if (prop->value() == "metering") {
+			command = new GlobalMeteringStateCommand (*this, node);
+		} else {
+			error << string_compose (_("unknown type of GlobalRouteStateCommand (%1), ignored"), prop->value()) << endmsg;
+		}
+	}
+
+	catch (failed_constructor& err) {
+		return 0;
+	}
+
+	return command;
+}
+
+Session::GlobalRouteStateCommand::GlobalRouteStateCommand (Session& s, void* p)
+	: sess (s), src (p)
+{
+}
+
+Session::GlobalRouteStateCommand::GlobalRouteStateCommand (Session& s, const XMLNode& node)
+	: sess (s), src (this)
+{
+	if (set_state (node)) {
+		throw failed_constructor ();
+	}
+}
+
+int
+Session::GlobalRouteStateCommand::set_state (const XMLNode& node)
+{
+	GlobalRouteBooleanState states;
+	XMLNodeList nlist;
+	const XMLProperty* prop;
+	XMLNode* child;
+	XMLNodeConstIterator niter;
+	int loop;
+
+	before.clear ();
+	after.clear ();
+	
+	for (loop = 0; loop < 2; ++loop) {
+
+		const char *str;
+
+		if (loop) {
+			str = "after";
+		} else {
+			str = "before";
+		}
+		
+		if ((child = node.child (str)) == 0) {
+			warning << string_compose (_("global route state command has no \"%1\" node, ignoring entire command"), str) << endmsg;
+			return -1;
+		}
+
+		nlist = child->children();
+
+		for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+			
+			RouteBooleanState rbs;
+			boost::shared_ptr<Route> route;
+			ID id;
+			
+			prop = (*niter)->property ("id");
+			id = prop->value ();
+			
+			if ((route = sess.route_by_id (id)) == 0) {
+				warning << string_compose (_("cannot find track/bus \"%1\" while rebuilding a global route state command, ignored"), id.to_s()) << endmsg;
+				continue;
+			}
+			
+			rbs.first = boost::weak_ptr<Route> (route);
+			
+			prop = (*niter)->property ("yn");
+			rbs.second = (prop->value() == "1");
+			
+			if (loop) {
+				after.push_back (rbs);
+			} else {
+				before.push_back (rbs);
+			}
+		}
+	}
+
+	return 0;
+}
+
+XMLNode&
+Session::GlobalRouteStateCommand::get_state ()
+{
+	XMLNode* node = new XMLNode (X_("GlobalRouteStateCommand"));
+	XMLNode* nbefore = new XMLNode (X_("before"));
+	XMLNode* nafter = new XMLNode (X_("after"));
+
+	for (Session::GlobalRouteBooleanState::iterator x = before.begin(); x != before.end(); ++x) {
+		XMLNode* child = new XMLNode ("s");
+		boost::shared_ptr<Route> r = x->first.lock();
+
+		if (r) {
+			child->add_property (X_("id"), r->id().to_s());
+			child->add_property (X_("yn"), (x->second ? "1" : "0"));
+			nbefore->add_child_nocopy (*child);
+		}
+	}
+
+	for (Session::GlobalRouteBooleanState::iterator x = after.begin(); x != after.end(); ++x) {
+		XMLNode* child = new XMLNode ("s");
+		boost::shared_ptr<Route> r = x->first.lock();
+
+		if (r) {
+			child->add_property (X_("id"), r->id().to_s());
+			child->add_property (X_("yn"), (x->second ? "1" : "0"));
+			nafter->add_child_nocopy (*child);
+		}
+	}
+
+	node->add_child_nocopy (*nbefore);
+	node->add_child_nocopy (*nafter);
+
+	return *node;
+}
+
+// solo
+
+Session::GlobalSoloStateCommand::GlobalSoloStateCommand(Session &sess, void *src)
+	: GlobalRouteStateCommand (sess, src)
+{
+    after = before = sess.get_global_route_boolean(&Route::soloed);
+}
+
+Session::GlobalSoloStateCommand::GlobalSoloStateCommand (Session& sess, const XMLNode& node)
+	: Session::GlobalRouteStateCommand (sess, node)
+{
+}
+
+void 
+Session::GlobalSoloStateCommand::mark()
+{
+    after = sess.get_global_route_boolean(&Route::soloed);
+}
+
+void 
+Session::GlobalSoloStateCommand::operator()()
+{
+    sess.set_global_solo(after, src);
+}
+
+void 
+Session::GlobalSoloStateCommand::undo()
+{
+    sess.set_global_solo(before, src);
+}
+
+XMLNode&
+Session::GlobalSoloStateCommand::get_state()
+{
+	XMLNode& node = GlobalRouteStateCommand::get_state();
+	node.add_property ("type", "solo");
+	return node;
+}
+
+// mute
+Session::GlobalMuteStateCommand::GlobalMuteStateCommand(Session &sess, void *src)
+	: GlobalRouteStateCommand (sess, src)
+{
+    after = before = sess.get_global_route_boolean(&Route::muted);
+}
+
+Session::GlobalMuteStateCommand::GlobalMuteStateCommand (Session& sess, const XMLNode& node)
+	: Session::GlobalRouteStateCommand (sess, node)
+{
+}
+
+void 
+Session::GlobalMuteStateCommand::mark()
+{
+	after = sess.get_global_route_boolean(&Route::muted);
+}
+
+void 
+Session::GlobalMuteStateCommand::operator()()
+{
+	sess.set_global_mute(after, src);
+}
+
+void 
+Session::GlobalMuteStateCommand::undo()
+{
+	sess.set_global_mute(before, src);
+}
+
+XMLNode&
+Session::GlobalMuteStateCommand::get_state()
+{
+	XMLNode& node = GlobalRouteStateCommand::get_state();
+	node.add_property ("type", "mute");
+	return node;
+}
+
+// record enable
+Session::GlobalRecordEnableStateCommand::GlobalRecordEnableStateCommand(Session &sess, void *src) 
+	: GlobalRouteStateCommand (sess, src)
+{
+	after = before = sess.get_global_route_boolean(&Route::record_enabled);
+}
+
+Session::GlobalRecordEnableStateCommand::GlobalRecordEnableStateCommand (Session& sess, const XMLNode& node)
+	: Session::GlobalRouteStateCommand (sess, node)
+{
+}
+
+void 
+Session::GlobalRecordEnableStateCommand::mark()
+{
+	after = sess.get_global_route_boolean(&Route::record_enabled);
+}
+
+void 
+Session::GlobalRecordEnableStateCommand::operator()()
+{
+	sess.set_global_record_enable(after, src);
+}
+
+void 
+Session::GlobalRecordEnableStateCommand::undo()
+{
+	sess.set_global_record_enable(before, src);
+}
+
+XMLNode& 
+Session::GlobalRecordEnableStateCommand::get_state()
+{
+	XMLNode& node = GlobalRouteStateCommand::get_state();
+	node.add_property ("type", "rec-enable");
+	return node;
+}
+
+// metering
+Session::GlobalMeteringStateCommand::GlobalMeteringStateCommand(Session &s, void *p) 
+	: sess (s), src (p)
+{
+	after = before = sess.get_global_route_metering();
+}
+
+Session::GlobalMeteringStateCommand::GlobalMeteringStateCommand (Session& s, const XMLNode& node)
+	: sess (s), src (this)
+{
+	if (set_state (node)) {
+		throw failed_constructor();
+	}
+}
+
+void 
+Session::GlobalMeteringStateCommand::mark()
+{
+	after = sess.get_global_route_metering();
+}
+
+void 
+Session::GlobalMeteringStateCommand::operator()()
+{
+	sess.set_global_route_metering(after, src);
+}
+
+void 
+Session::GlobalMeteringStateCommand::undo()
+{
+	sess.set_global_route_metering(before, src);
+}
+
+XMLNode&
+Session::GlobalMeteringStateCommand::get_state()
+{
+	XMLNode* node = new XMLNode (X_("GlobalRouteStateCommand"));
+	XMLNode* nbefore = new XMLNode (X_("before"));
+	XMLNode* nafter = new XMLNode (X_("after"));
+
+	for (Session::GlobalRouteMeterState::iterator x = before.begin(); x != before.end(); ++x) {
+		XMLNode* child = new XMLNode ("s");
+		boost::shared_ptr<Route> r = x->first.lock();
+
+		if (r) {
+			child->add_property (X_("id"), r->id().to_s());
+
+			const char* meterstr = 0;
+			
+			switch (x->second) {
+			case MeterInput:
+				meterstr = X_("input");
+				break;
+			case MeterPreFader:
+				meterstr = X_("pre");
+				break;
+			case MeterPostFader:
+				meterstr = X_("post");
+				break;
+			default:
+				fatal << string_compose (_("programming error: %1") , "no meter state in Session::GlobalMeteringStateCommand::get_state") << endmsg;
+			}
+
+			child->add_property (X_("meter"), meterstr);
+			nbefore->add_child_nocopy (*child);
+		}
+	}
+
+	for (Session::GlobalRouteMeterState::iterator x = after.begin(); x != after.end(); ++x) {
+		XMLNode* child = new XMLNode ("s");
+		boost::shared_ptr<Route> r = x->first.lock();
+
+		if (r) {
+			child->add_property (X_("id"), r->id().to_s());
+
+			const char* meterstr;
+			
+			switch (x->second) {
+			case MeterInput:
+				meterstr = X_("input");
+				break;
+			case MeterPreFader:
+				meterstr = X_("pre");
+				break;
+			case MeterPostFader:
+				meterstr = X_("post");
+				break;
+			default: meterstr = "";
+			}
+
+			child->add_property (X_("meter"), meterstr);
+			nafter->add_child_nocopy (*child);
+		}
+	}
+
+	node->add_child_nocopy (*nbefore);
+	node->add_child_nocopy (*nafter);
+
+	node->add_property ("type", "metering");
+
+	return *node;
+}
+
+int
+Session::GlobalMeteringStateCommand::set_state (const XMLNode& node)
+{
+	GlobalRouteBooleanState states;
+	XMLNodeList nlist;
+	const XMLProperty* prop;
+	XMLNode* child;
+	XMLNodeConstIterator niter;
+	int loop;
+
+	before.clear ();
+	after.clear ();
+	
+	for (loop = 0; loop < 2; ++loop) {
+
+		const char *str;
+
+		if (loop) {
+			str = "after";
+		} else {
+			str = "before";
+		}
+		
+		if ((child = node.child (str)) == 0) {
+			warning << string_compose (_("global route meter state command has no \"%1\" node, ignoring entire command"), str) << endmsg;
+			return -1;
+		}
+
+		nlist = child->children();
+
+		for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+			
+			RouteMeterState rms;
+			boost::shared_ptr<Route> route;
+			ID id;
+			
+			prop = (*niter)->property ("id");
+			id = prop->value ();
+			
+			if ((route = sess.route_by_id (id)) == 0) {
+				warning << string_compose (_("cannot find track/bus \"%1\" while rebuilding a global route state command, ignored"), id.to_s()) << endmsg;
+				continue;
+			}
+			
+			rms.first = boost::weak_ptr<Route> (route);
+			
+			prop = (*niter)->property ("meter");
+
+			if (prop->value() == X_("pre")) {
+				rms.second = MeterPreFader;
+			} else if (prop->value() == X_("post")) {
+				rms.second = MeterPostFader;
+			} else {
+				rms.second = MeterInput;
+			}
+			
+			if (loop) {
+				after.push_back (rms);
+			} else {
+				before.push_back (rms);
+			}
+		}
+	}
+
+	return 0;
+}