X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_command.cc;h=b54e5c83980c5efb124b3acbcda5dc26503870c2;hb=93c7aeba048f19df5abee5e4325ef8b0ef62c279;hp=6482de41fb8f7ca6993c0a36e2ea28ac1ccf5978;hpb=dca612e82af4f89dad4f15454cbbb15694fa077c;p=ardour.git

diff --git a/libs/ardour/session_command.cc b/libs/ardour/session_command.cc
index 6482de41fb..b54e5c8398 100644
--- a/libs/ardour/session_command.cc
+++ b/libs/ardour/session_command.cc
@@ -1,7 +1,101 @@
 #include <ardour/session.h>
 #include <ardour/route.h>
+#include <pbd/memento_command.h>
+#include <ardour/diskstream.h>
+#include <ardour/playlist.h>
+#include <ardour/tempo.h>
+#include <ardour/audiosource.h>
+#include <ardour/audioregion.h>
+#include <pbd/error.h>
+using namespace PBD;
+#include "i18n.h"
+
 
 namespace ARDOUR {
+
+void Session::register_with_memento_command_factory(PBD::ID id, StatefulDestructible *ptr)
+{
+    registry[id] = ptr;
+}
+    
+Command *Session::memento_command_factory(XMLNode *n)
+{
+    PBD::ID id;
+    XMLNode *before = 0, *after = 0;
+    XMLNode *child;
+
+    /* 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;
+    }
+
+    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->children().front()->name();
+    if (obj_T == "AudioRegion" || obj_T == "Region")
+    {
+        if (audio_regions.count(id))
+            return new MementoCommand<AudioRegion>(*audio_regions[id], before, after);
+    }
+    else if (obj_T == "AudioSource")
+    {
+        if (audio_sources.count(id))
+            return new MementoCommand<AudioSource>(*audio_sources[id], before, after);
+    }
+    else if (obj_T == "Location")
+        return new MementoCommand<Location>(*_locations.get_location_by_id(id), before, after);
+    else if (obj_T == "Locations")
+        return new MementoCommand<Locations>(_locations, before, after);
+    else if (obj_T == "TempoMap")
+        return new MementoCommand<TempoMap>(*_tempo_map, before, after);
+    else if (obj_T == "Playlist" || obj_T == "AudioPlaylist")
+    {
+        if (Playlist *pl = playlist_by_name(child->property("name")->value()))
+            return new MementoCommand<Playlist>(*pl, before, after);
+    }
+    else if (obj_T == "Route") // inlcudes AudioTrack
+        return new MementoCommand<Route>(*route_by_id(id), before, after);
+    else if (obj_T == "Curve")
+    {
+        if (curves.count(id))
+            return new MementoCommand<Curve>(*curves[id], before, after);
+    }
+    else if (obj_T == "AutomationList")
+    {
+        if (automation_lists.count(id))
+            return new MementoCommand<AutomationList>(*automation_lists[id], before, after);
+    }
+    // For Editor and AutomationLine which are off-limits here
+    else if (registry.count(id))
+        return new MementoCommand<StatefulDestructible>(*registry[id], before, after);
+
+
+    /* we failed */
+    error << _("could not reconstitute MementoCommand from XMLNode. id=") << id.to_s() << endmsg;
+    return 0;
+}
+
 // solo
 Session::GlobalSoloStateCommand::GlobalSoloStateCommand(Session &sess, void *src)
     : sess(sess), src(src)
@@ -20,8 +114,10 @@ void Session::GlobalSoloStateCommand::undo()
 {
     sess.set_global_solo(before, src);
 }
-XMLNode &Session::GlobalSoloStateCommand::serialize()
+XMLNode &Session::GlobalSoloStateCommand::get_state()
 {
+    XMLNode *node = new XMLNode("GlobalSoloStateCommand");
+    return *node;
 }
 
 // mute
@@ -42,8 +138,10 @@ void Session::GlobalMuteStateCommand::undo()
 {
     sess.set_global_mute(before, src);
 }
-XMLNode &Session::GlobalMuteStateCommand::serialize()
+XMLNode &Session::GlobalMuteStateCommand::get_state()
 {
+    XMLNode *node = new XMLNode("GlobalMuteStateCommand");
+    return *node;
 }
 
 // record enable
@@ -64,8 +162,10 @@ void Session::GlobalRecordEnableStateCommand::undo()
 {
     sess.set_global_record_enable(before, src);
 }
-XMLNode &Session::GlobalRecordEnableStateCommand::serialize()
+XMLNode &Session::GlobalRecordEnableStateCommand::get_state()
 {
+    XMLNode *node = new XMLNode("GlobalRecordEnableStateCommand");
+    return *node;
 }
 
 // metering
@@ -86,8 +186,10 @@ void Session::GlobalMeteringStateCommand::undo()
 {
     sess.set_global_route_metering(before, src);
 }
-XMLNode &Session::GlobalMeteringStateCommand::serialize()
+XMLNode &Session::GlobalMeteringStateCommand::get_state()
 {
+    XMLNode *node = new XMLNode("GlobalMeteringStateCommand");
+    return *node;
 }
 
 } // namespace ARDOUR