record_enable_control.h

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/*
 * Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
 *
 * This program 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.
 *
 * This program 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 more 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __ardour_record_enable_control_h__
#define __ardour_record_enable_control_h__
 
#include <memory>
#include <string>
 
#include "ardour/slavable_automation_control.h"
#include "ardour/recordable.h"
 
#include "ardour/libardour_visibility.h"
 
namespace ARDOUR {
 
class Session;
 
class LIBARDOUR_API RecordEnableControl : public SlavableAutomationControl
{
  public:
        RecordEnableControl (Session& session, std::string const & name, Recordable& m, Temporal::TimeDomainProvider const &);
        ~RecordEnableControl() {}
 
        /* Most (Slavable)AutomationControls do not override this, but we need
         * to in order to prepare the Recordable for a change that will happen
         * subsequently, in a realtime context. So the change is divided into
         * two parts: the non-RT preparation, executed inside ::set_value(),
         * then the second RT part.
         */
 
        void set_value (double, PBD::Controllable::GroupControlDisposition);
 
  protected:
        void actually_set_value (double val, Controllable::GroupControlDisposition gcd);
        void do_pre_realtime_queue_stuff (double value);
 
  private:
        Recordable& _recordable;
};
 
} /* namespace */
 
#endif /* __libardour_record_enable_control_h__ */