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-rw-r--r--include/ingen/client/ThreadedSigClientInterface.hpp151
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diff --git a/include/ingen/client/ThreadedSigClientInterface.hpp b/include/ingen/client/ThreadedSigClientInterface.hpp
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-/* This file is part of Ingen.
- * Copyright 2007-2011 David 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
- */
-
-#ifndef INGEN_CLIENT_THREADEDSIGCLIENTINTERFACE_HPP
-#define INGEN_CLIENT_THREADEDSIGCLIENTINTERFACE_HPP
-
-#include <stdint.h>
-
-#include <string>
-
-#undef nil
-#include <sigc++/sigc++.h>
-#include <glibmm/thread.h>
-
-#include "raul/Atom.hpp"
-#include "raul/SRSWQueue.hpp"
-
-#include "ingen/ClientInterface.hpp"
-#include "ingen/client/SigClientInterface.hpp"
-
-/** Returns nothing and takes no parameters (because they have all been bound) */
-typedef sigc::slot<void> Closure;
-
-namespace Ingen {
-
-class ServerInterface;
-
-namespace Client {
-
-/** A LibSigC++ signal emitting interface for clients to use.
- *
- * This emits signals (possibly) in a different thread than the ClientInterface
- * functions are called. It must be explicitly driven with the emit_signals()
- * function, which fires all enqueued signals up until the present. You can
- * use this in a GTK idle callback for receiving thread safe engine signals.
- */
-class ThreadedSigClientInterface : public SigClientInterface
-{
-public:
- ThreadedSigClientInterface(uint32_t queue_size)
- : _sigs(queue_size)
- , response_slot(_signal_response.make_slot())
- , error_slot(_signal_error.make_slot())
- , new_port_slot(_signal_new_port.make_slot())
- , put_slot(_signal_put.make_slot())
- , connection_slot(_signal_connection.make_slot())
- , object_deleted_slot(_signal_object_deleted.make_slot())
- , object_moved_slot(_signal_object_moved.make_slot())
- , disconnection_slot(_signal_disconnection.make_slot())
- , disconnect_all_slot(_signal_disconnect_all.make_slot())
- , variable_change_slot(_signal_variable_change.make_slot())
- , property_change_slot(_signal_property_change.make_slot())
- , port_value_slot(_signal_port_value.make_slot())
- , activity_slot(_signal_activity.make_slot())
- {}
-
- virtual Raul::URI uri() const { return "http://drobilla.net/ns/ingen#internal"; }
-
- void bundle_begin()
- { push_sig(bundle_begin_slot); }
-
- void bundle_end()
- { push_sig(bundle_end_slot); }
-
- void response(int32_t id, Status status)
- { push_sig(sigc::bind(response_slot, id, status)); }
-
- void error(const std::string& msg)
- { push_sig(sigc::bind(error_slot, msg)); }
-
- void put(const Raul::URI& path,
- const Resource::Properties& properties,
- Resource::Graph ctx=Resource::DEFAULT)
- { push_sig(sigc::bind(put_slot, path, properties, ctx)); }
-
- void delta(const Raul::URI& path,
- const Resource::Properties& remove,
- const Resource::Properties& add)
- { push_sig(sigc::bind(delta_slot, path, remove, add)); }
-
- void connect(const Raul::Path& src_port_path, const Raul::Path& dst_port_path)
- { push_sig(sigc::bind(connection_slot, src_port_path, dst_port_path)); }
-
- void del(const Raul::URI& uri)
- { push_sig(sigc::bind(object_deleted_slot, uri)); }
-
- void move(const Raul::Path& old_path, const Raul::Path& new_path)
- { push_sig(sigc::bind(object_moved_slot, old_path, new_path)); }
-
- void disconnect(const Raul::URI& src, const Raul::URI& dst)
- { push_sig(sigc::bind(disconnection_slot, src, dst)); }
-
- void disconnect_all(const Raul::Path& parent_patch_path, const Raul::Path& path)
- { push_sig(sigc::bind(disconnect_all_slot, parent_patch_path, path)); }
-
- void set_property(const Raul::URI& subject, const Raul::URI& key, const Raul::Atom& value)
- { push_sig(sigc::bind(property_change_slot, subject, key, value)); }
-
- void activity(const Raul::Path& port_path, const Raul::Atom& value)
- { push_sig(sigc::bind(activity_slot, port_path, value)); }
-
- /** Process all queued events - Called from GTK thread to emit signals. */
- bool emit_signals();
-
-private:
- void push_sig(Closure ev);
-
- Glib::Mutex _mutex;
- Glib::Cond _cond;
-
- Raul::SRSWQueue<Closure> _sigs;
-
- sigc::slot<void> bundle_begin_slot;
- sigc::slot<void> bundle_end_slot;
- sigc::slot<void, int32_t, Status> response_slot;
- sigc::slot<void, std::string> error_slot;
- sigc::slot<void, Raul::URI, Raul::URI, Raul::Symbol> new_plugin_slot;
- sigc::slot<void, Raul::Path, Raul::URI, uint32_t, bool> new_port_slot;
- sigc::slot<void, Raul::URI, Resource::Properties,
- Resource::Graph> put_slot;
- sigc::slot<void, Raul::URI, Resource::Properties,
- Resource::Properties> delta_slot;
- sigc::slot<void, Raul::Path, Raul::Path> connection_slot;
- sigc::slot<void, Raul::URI> object_deleted_slot;
- sigc::slot<void, Raul::Path, Raul::Path> object_moved_slot;
- sigc::slot<void, Raul::URI, Raul::URI> disconnection_slot;
- sigc::slot<void, Raul::Path, Raul::Path> disconnect_all_slot;
- sigc::slot<void, Raul::URI, Raul::URI, Raul::Atom> variable_change_slot;
- sigc::slot<void, Raul::URI, Raul::URI, Raul::Atom> property_change_slot;
- sigc::slot<void, Raul::Path, Raul::Atom> port_value_slot;
- sigc::slot<void, Raul::Path, Raul::Atom> activity_slot;
-};
-
-} // namespace Client
-} // namespace Ingen
-
-#endif