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+/*
+ This file is part of Ingen.
+ Copyright 2007-2012 David Robillard <http://drobilla.net/>
+
+ Ingen is free software: you can redistribute it and/or modify it under the
+ terms of the GNU Affero General Public License as published by the Free
+ Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with Ingen. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_CLIENT_BLOCKMODEL_HPP
+#define INGEN_CLIENT_BLOCKMODEL_HPP
+
+#include <cstdlib>
+#include <string>
+#include <vector>
+
+#include "raul/SharedPtr.hpp"
+#include "ingen/GraphObject.hpp"
+#include "ingen/client/ObjectModel.hpp"
+#include "ingen/client/PortModel.hpp"
+#include "ingen/client/PluginModel.hpp"
+
+namespace Raul { class Path; }
+
+namespace Ingen {
+
+class URIs;
+
+namespace Client {
+
+class PluginModel;
+class ClientStore;
+
+/** Block model class, used by the client to store engine's state.
+ *
+ * @ingroup IngenClient
+ */
+class BlockModel : public ObjectModel
+{
+public:
+ BlockModel(const BlockModel& copy);
+ virtual ~BlockModel();
+
+ GraphType graph_type() const { return GraphObject::PATCH; }
+
+ typedef std::vector< SharedPtr<const PortModel> > Ports;
+
+ SharedPtr<const PortModel> get_port(const Raul::Symbol& symbol) const;
+
+ GraphObject* port(uint32_t index) const;
+
+ const Raul::URI& plugin_uri() const { return _plugin_uri; }
+ const Plugin* plugin() const { return _plugin.get(); }
+ Plugin* plugin() { return _plugin.get(); }
+ SharedPtr<PluginModel> plugin_model() const { return _plugin; }
+ uint32_t num_ports() const { return _ports.size(); }
+ const Ports& ports() const { return _ports; }
+
+ void default_port_value_range(SharedPtr<const PortModel> port,
+ float& min, float& max, uint32_t srate=1) const;
+
+ void port_value_range(SharedPtr<const PortModel> port,
+ float& min, float& max, uint32_t srate=1) const;
+
+ std::string label() const;
+ std::string port_label(SharedPtr<const PortModel> port) const;
+
+ // Signals
+ INGEN_SIGNAL(new_port, void, SharedPtr<const PortModel>);
+ INGEN_SIGNAL(removed_port, void, SharedPtr<const PortModel>);
+
+protected:
+ friend class ClientStore;
+
+ BlockModel(URIs& uris,
+ const Raul::URI& plugin_uri,
+ const Raul::Path& path);
+ BlockModel(URIs& uris,
+ SharedPtr<PluginModel> plugin,
+ const Raul::Path& path);
+ explicit BlockModel(const Raul::Path& path);
+
+ void add_child(SharedPtr<ObjectModel> c);
+ bool remove_child(SharedPtr<ObjectModel> c);
+ void add_port(SharedPtr<PortModel> pm);
+ void remove_port(SharedPtr<PortModel> pm);
+ void remove_port(const Raul::Path& port_path);
+ void set(SharedPtr<ObjectModel> model);
+
+ virtual void clear();
+
+ Ports _ports; ///< Vector of ports
+ Raul::URI _plugin_uri; ///< Plugin URI (if PluginModel is unknown)
+ SharedPtr<PluginModel> _plugin; ///< The plugin this block is an instance of
+
+private:
+ mutable uint32_t _num_values; ///< Size of _min_values and _max_values
+ mutable float* _min_values; ///< Port min values (cached for LV2)
+ mutable float* _max_values; ///< Port max values (cached for LV2)
+};
+
+} // namespace Client
+} // namespace Ingen
+
+#endif // INGEN_CLIENT_BLOCKMODEL_HPP