1 /*
2  * Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef __ardour_record_enable_control_h__
20 #define __ardour_record_enable_control_h__
21 
22 #include <string>
23 
24 #include <boost/shared_ptr.hpp>
25 #include <boost/dynamic_bitset.hpp>
26 
27 #include "ardour/slavable_automation_control.h"
28 #include "ardour/recordable.h"
29 
30 #include "ardour/libardour_visibility.h"
31 
32 namespace ARDOUR {
33 
34 class Session;
35 
36 class LIBARDOUR_API RecordEnableControl : public SlavableAutomationControl
37 {
38   public:
39 	RecordEnableControl (Session& session, std::string const & name, Recordable& m);
~RecordEnableControl()40 	~RecordEnableControl() {}
41 
42 	/* Most (Slavable)AutomationControls do not override this, but we need
43 	 * to in order to prepare the Recordable for a change that will happen
44 	 * subsequently, in a realtime context. So the change is divided into
45 	 * two parts: the non-RT preparation, executed inside ::set_value(),
46 	 * then the second RT part.
47 	 */
48 
49 	void set_value (double, PBD::Controllable::GroupControlDisposition);
50 
51   protected:
52 	void actually_set_value (double val, Controllable::GroupControlDisposition gcd);
53 	void do_pre_realtime_queue_stuff (double value);
54 
55   private:
56 	Recordable& _recordable;
57 };
58 
59 } /* namespace */
60 
61 #endif /* __libardour_record_enable_control_h__ */
62