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-rw-r--r--src/libs/engine/events/DisconnectAllEvent.cpp183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/libs/engine/events/DisconnectAllEvent.cpp b/src/libs/engine/events/DisconnectAllEvent.cpp
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+++ b/src/libs/engine/events/DisconnectAllEvent.cpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <boost/format.hpp>
+#include <raul/Array.hpp>
+#include <raul/List.hpp>
+#include <raul/Maid.hpp>
+#include <raul/Path.hpp>
+#include "ClientBroadcaster.hpp"
+#include "ConnectionImpl.hpp"
+#include "DisconnectAllEvent.hpp"
+#include "DisconnectionEvent.hpp"
+#include "Engine.hpp"
+#include "InputPort.hpp"
+#include "NodeImpl.hpp"
+#include "ObjectStore.hpp"
+#include "OutputPort.hpp"
+#include "PatchImpl.hpp"
+#include "PortImpl.hpp"
+#include "Responder.hpp"
+#include "util.hpp"
+
+namespace Ingen {
+
+
+DisconnectAllEvent::DisconnectAllEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const string& parent_path, const string& node_path)
+ : QueuedEvent(engine, responder, timestamp)
+ , _parent_path(parent_path)
+ , _path(node_path)
+ , _parent(NULL)
+ , _node(NULL)
+ , _port(NULL)
+ , _lookup(true)
+ , _error(NO_ERROR)
+{
+}
+
+
+/** Internal version for use by other events.
+ */
+DisconnectAllEvent::DisconnectAllEvent(Engine& engine, PatchImpl* parent, GraphObjectImpl* object)
+ : QueuedEvent(engine)
+ , _parent_path(parent->path())
+ , _path(object->path())
+ , _parent(parent)
+ , _node(dynamic_cast<NodeImpl*>(object))
+ , _port(dynamic_cast<PortImpl*>(object))
+ , _lookup(false)
+ , _error(NO_ERROR)
+{
+}
+
+
+DisconnectAllEvent::~DisconnectAllEvent()
+{
+ for (Raul::List<DisconnectionEvent*>::iterator i = _disconnection_events.begin(); i != _disconnection_events.end(); ++i)
+ delete (*i);
+}
+
+
+void
+DisconnectAllEvent::pre_process()
+{
+ if (_lookup) {
+ _parent = _engine.object_store()->find_patch(_parent_path);
+
+ if (_parent == NULL) {
+ _error = PARENT_NOT_FOUND;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ GraphObjectImpl* object = _engine.object_store()->find_object(_path);
+
+ if (object == NULL) {
+ _error = OBJECT_NOT_FOUND;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ if (object->parent_patch() != _parent && object->parent()->parent_patch() != _parent) {
+ _error = INVALID_PARENT_PATH;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ // Only one of these will succeed
+ _node = dynamic_cast<NodeImpl*>(object);
+ _port = dynamic_cast<PortImpl*>(object);
+
+ assert((_node || _port) && !(_node && _port));
+ }
+
+ if (_node) {
+ for (PatchImpl::Connections::const_iterator i = _parent->connections().begin();
+ i != _parent->connections().end(); ++i) {
+ ConnectionImpl* c = (ConnectionImpl*)i->get();
+ if ((c->src_port()->parent_node() == _node || c->dst_port()->parent_node() == _node)
+ && !c->pending_disconnection()) {
+ DisconnectionEvent* ev = new DisconnectionEvent(_engine,
+ SharedPtr<Responder>(new Responder()), _time, c->src_port(), c->dst_port());
+ ev->pre_process();
+ _disconnection_events.push_back(new Raul::List<DisconnectionEvent*>::Node(ev));
+ c->pending_disconnection(true);
+ }
+ }
+ } else { // _port
+ for (PatchImpl::Connections::const_iterator i = _parent->connections().begin();
+ i != _parent->connections().end(); ++i) {
+ ConnectionImpl* c = (ConnectionImpl*)i->get();
+ if ((c->src_port() == _port || c->dst_port() == _port) && !c->pending_disconnection()) {
+ DisconnectionEvent* ev = new DisconnectionEvent(_engine,
+ SharedPtr<Responder>(new Responder()), _time, c->src_port(), c->dst_port());
+ ev->pre_process();
+ _disconnection_events.push_back(new Raul::List<DisconnectionEvent*>::Node(ev));
+ c->pending_disconnection(true);
+ }
+ }
+ }
+
+ QueuedEvent::pre_process();
+}
+
+
+void
+DisconnectAllEvent::execute(ProcessContext& context)
+{
+ QueuedEvent::execute(context);
+
+ if (_error == NO_ERROR) {
+ for (Raul::List<DisconnectionEvent*>::iterator i = _disconnection_events.begin(); i != _disconnection_events.end(); ++i)
+ (*i)->execute(context);
+ }
+}
+
+
+void
+DisconnectAllEvent::post_process()
+{
+ if (_error == NO_ERROR) {
+ if (_responder)
+ _responder->respond_ok();
+ for (Raul::List<DisconnectionEvent*>::iterator i = _disconnection_events.begin();
+ i != _disconnection_events.end(); ++i)
+ (*i)->post_process();
+ } else {
+ if (_responder) {
+ boost::format fmt("Unable to disconnect %1% (%2%)");
+ fmt % _path;
+ switch (_error) {
+ case INVALID_PARENT_PATH:
+ fmt % string("Invalid parent path: ").append(_parent_path);
+ break;
+ case PARENT_NOT_FOUND:
+ fmt % string("Unable to find parent: ").append(_parent_path);
+ break;
+ case OBJECT_NOT_FOUND:
+ fmt % string("Unable to find object");
+ default:
+ break;
+ }
+ _responder->respond_error(fmt.str());
+ }
+ }
+}
+
+
+} // namespace Ingen
+