diff options
author | David Robillard <d@drobilla.net> | 2008-09-30 16:50:21 +0000 |
---|---|---|
committer | David Robillard <d@drobilla.net> | 2008-09-30 16:50:21 +0000 |
commit | 93850c202de8b073a1ce1dd8bd246d407bce4e2f (patch) | |
tree | 6910b135bf4eff12de1af116cef73f6e9c107cd0 /src/engine/events/ClearPatchEvent.cpp | |
parent | a8bf5272d096de73507d2eab47f282c345f4ca8a (diff) | |
download | ingen-93850c202de8b073a1ce1dd8bd246d407bce4e2f.tar.gz ingen-93850c202de8b073a1ce1dd8bd246d407bce4e2f.tar.bz2 ingen-93850c202de8b073a1ce1dd8bd246d407bce4e2f.zip |
Flatten ingen source directory heirarchy a bit.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/events/ClearPatchEvent.cpp')
-rw-r--r-- | src/engine/events/ClearPatchEvent.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/engine/events/ClearPatchEvent.cpp b/src/engine/events/ClearPatchEvent.cpp new file mode 100644 index 00000000..c1fb0749 --- /dev/null +++ b/src/engine/events/ClearPatchEvent.cpp @@ -0,0 +1,133 @@ +/* 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 <raul/Maid.hpp> +#include "ClearPatchEvent.hpp" +#include "Responder.hpp" +#include "Engine.hpp" +#include "PatchImpl.hpp" +#include "ClientBroadcaster.hpp" +#include "util.hpp" +#include "EngineStore.hpp" +#include "PortImpl.hpp" +#include "NodeImpl.hpp" +#include "ConnectionImpl.hpp" +#include "QueuedEventSource.hpp" +#include "AudioDriver.hpp" +#include "MidiDriver.hpp" + +namespace Ingen { + + +ClearPatchEvent::ClearPatchEvent(Engine& engine, SharedPtr<Responder> responder, FrameTime time, QueuedEventSource* source, const string& patch_path) + : QueuedEvent(engine, responder, time, true, source) + , _patch_path(patch_path) + , _driver_port(NULL) + , _process(false) + , _ports_array(NULL) + , _compiled_patch(NULL) +{ +} + + +void +ClearPatchEvent::pre_process() +{ + EngineStore::Objects::iterator patch_iterator = _engine.engine_store()->find(_patch_path); + + if (patch_iterator != _engine.engine_store()->end()) { + _patch = PtrCast<PatchImpl>(patch_iterator->second); + if (_patch) { + _process = _patch->enabled(); + _removed_table = _engine.engine_store()->remove_children(patch_iterator); + _patch->nodes().clear(); + _patch->connections().clear(); + _ports_array = _patch->build_ports_array(); + if (_patch->enabled()) + _compiled_patch = _patch->compile(); + } + } + + QueuedEvent::pre_process(); +} + + +void +ClearPatchEvent::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + + if (_patch && _removed_table) { + _patch->disable(); + + if (_patch->compiled_patch() != NULL) { + _engine.maid()->push(_patch->compiled_patch()); + _patch->compiled_patch(NULL); + } + + _patch->clear_ports(); + _patch->connections().clear(); + _patch->compiled_patch(_compiled_patch); + Raul::Array<PortImpl*>* old_ports = _patch->external_ports(); + _patch->external_ports(_ports_array); + _ports_array = old_ports; + + // Remove driver ports, if necessary + if (_patch->parent() == NULL) { + for (EngineStore::Objects::iterator i = _removed_table->begin(); i != _removed_table->end(); ++i) { + SharedPtr<PortImpl> port = PtrCast<PortImpl>(i->second); + if (port && port->type() == DataType::AUDIO) + _driver_port = _engine.audio_driver()->remove_port(port->path()); + else if (port && port->type() == DataType::EVENT) + _driver_port = _engine.midi_driver()->remove_port(port->path()); + } + } + } +} + + +void +ClearPatchEvent::post_process() +{ + if (_patch != NULL) { + delete _ports_array; + delete _driver_port; + + // Restore patch's run state + if (_process) + _patch->enable(); + else + _patch->disable(); + + // Make sure everything's sane + assert(_patch->nodes().size() == 0); + assert(_patch->num_ports() == 0); + assert(_patch->connections().size() == 0); + + // Reply + _responder->respond_ok(); + _engine.broadcaster()->send_patch_cleared(_patch_path); + } else { + _responder->respond_error(string("Patch ") + _patch_path + " not found"); + } + + _source->unblock(); // FIXME: can be done earlier in execute? +} + + +} // namespace Ingen + |