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-rw-r--r--src/libs/engine/events/DisconnectNodeEvent.cpp140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/libs/engine/events/DisconnectNodeEvent.cpp b/src/libs/engine/events/DisconnectNodeEvent.cpp
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+++ b/src/libs/engine/events/DisconnectNodeEvent.cpp
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "DisconnectNodeEvent.h"
+#include <iostream>
+#include "Responder.h"
+#include "Om.h"
+#include "OmApp.h"
+#include "Maid.h"
+#include "List.h"
+#include "Node.h"
+#include "ConnectionBase.h"
+#include "DisconnectionEvent.h"
+#include "Port.h"
+#include "Array.h"
+#include "InputPort.h"
+#include "OutputPort.h"
+#include "Patch.h"
+#include "ClientBroadcaster.h"
+#include "util.h"
+#include "ObjectStore.h"
+#include "util/Path.h"
+
+using std::cerr; using std::endl;
+
+namespace Om {
+
+
+DisconnectNodeEvent::DisconnectNodeEvent(CountedPtr<Responder> responder, const string& node_path)
+: QueuedEvent(responder),
+ m_node_path(node_path),
+ m_patch(NULL),
+ m_node(NULL),
+ m_succeeded(true),
+ m_lookup(true)
+{
+}
+
+
+/** Internal version, disconnects parent port as well (in the case of InputNode, etc).
+ */
+DisconnectNodeEvent::DisconnectNodeEvent(Node* node)
+: QueuedEvent(),
+ m_node_path(""),
+ m_patch(node->parent_patch()),
+ m_node(node),
+ m_succeeded(true),
+ m_lookup(false)
+{
+}
+
+
+DisconnectNodeEvent::~DisconnectNodeEvent()
+{
+ for (List<DisconnectionEvent*>::iterator i = m_disconnection_events.begin(); i != m_disconnection_events.end(); ++i)
+ delete (*i);
+}
+
+
+void
+DisconnectNodeEvent::pre_process()
+{
+ typedef List<Connection*>::const_iterator ConnectionListIterator;
+
+ // cerr << "Preparing disconnection event...\n";
+
+ if (m_lookup) {
+ m_patch = om->object_store()->find_patch(m_node_path.parent());
+
+ if (m_patch == NULL) {
+ m_succeeded = false;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ m_node = om->object_store()->find_node(m_node_path);
+
+ if (m_node == NULL) {
+ m_succeeded = false;
+ QueuedEvent::pre_process();
+ return;
+ }
+ }
+
+ Connection* c = NULL;
+ for (ConnectionListIterator i = m_patch->connections().begin(); i != m_patch->connections().end(); ++i) {
+ c = (*i);
+ if ((c->src_port()->parent_node() == m_node || c->dst_port()->parent_node() == m_node) && !c->pending_disconnection()) {
+ DisconnectionEvent* ev = new DisconnectionEvent(CountedPtr<Responder>(new Responder()), c->src_port(), c->dst_port());
+ ev->pre_process();
+ m_disconnection_events.push_back(new ListNode<DisconnectionEvent*>(ev));
+ c->pending_disconnection(true);
+ }
+ }
+
+ m_succeeded = true;
+ QueuedEvent::pre_process();
+}
+
+
+void
+DisconnectNodeEvent::execute(samplecount offset)
+{
+ if (m_succeeded) {
+ for (List<DisconnectionEvent*>::iterator i = m_disconnection_events.begin(); i != m_disconnection_events.end(); ++i)
+ (*i)->execute(offset);
+ }
+
+ QueuedEvent::execute(offset);
+}
+
+
+void
+DisconnectNodeEvent::post_process()
+{
+ if (m_succeeded) {
+ m_responder->respond_ok();
+ for (List<DisconnectionEvent*>::iterator i = m_disconnection_events.begin(); i != m_disconnection_events.end(); ++i)
+ (*i)->post_process();
+ } else {
+ m_responder->respond_error("Unable to disconnect all ports.");
+ }
+}
+
+
+} // namespace Om
+