use new syntax for connecting to backend signals that enforces explicit connection...
[ardour.git] / libs / ardour / ardour / export_format_manager.h
1 /*
2     Copyright (C) 2008 Paul Davis
3     Author: Sakari Bergen
4
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19 */
20
21 #ifndef __ardour_export_format_manager_h__
22 #define __ardour_export_format_manager_h__
23
24 #include <list>
25 #include <string>
26
27 #include <boost/shared_ptr.hpp>
28 #include <boost/weak_ptr.hpp>
29
30 #include "pbd/signals.h"
31
32 #include "ardour/export_formats.h"
33
34 namespace ARDOUR
35 {
36
37 class ExportFormat;
38 class ExportFormatCompatibility;
39 class ExportFormatSpecification;
40 class AnyTime;
41
42 class ExportFormatManager : public PBD::ScopedConnectionList
43 {
44   public:
45
46         typedef boost::shared_ptr<ExportFormatCompatibility> CompatPtr;
47         typedef boost::weak_ptr<ExportFormatCompatibility> WeakCompatPtr;
48         typedef std::list<CompatPtr> CompatList;
49
50         typedef boost::shared_ptr<ExportFormat> FormatPtr;
51         typedef boost::weak_ptr<ExportFormat> WeakFormatPtr;
52         typedef std::list<FormatPtr> FormatList;
53
54         typedef HasSampleFormat::SampleFormatPtr SampleFormatPtr;
55         typedef HasSampleFormat::SampleFormatList SampleFormatList;
56         typedef HasSampleFormat::WeakSampleFormatPtr WeakSampleFormatPtr;
57
58         typedef HasSampleFormat::DitherTypePtr DitherTypePtr;
59         typedef HasSampleFormat::WeakDitherTypePtr WeakDitherTypePtr;
60
61         typedef boost::shared_ptr<ExportFormatSpecification> SpecPtr;
62         typedef boost::shared_ptr<ExportFormatBase> FormatBasePtr;
63
64         /* Quality states */
65
66         class QualityState : public ExportFormatBase::SelectableCompatible {
67         public:
68                 QualityState (ExportFormatBase::Quality quality, Glib::ustring name) :
69                         quality (quality) { set_name (name); }
70                 ExportFormatBase::Quality  quality;
71         };
72         typedef boost::shared_ptr<QualityState> QualityPtr;
73         typedef boost::weak_ptr<QualityState> WeakQualityPtr;
74         typedef std::list<QualityPtr> QualityList;
75
76         /* Sample rate states */
77
78         class SampleRateState : public ExportFormatBase::SelectableCompatible {
79           public:
80                 SampleRateState (ExportFormatBase::SampleRate rate, Glib::ustring name)
81                         : rate (rate) { set_name (name); }
82                 ExportFormatBase::SampleRate  rate;
83         };
84         typedef boost::shared_ptr<SampleRateState> SampleRatePtr;
85         typedef boost::weak_ptr<SampleRateState> WeakSampleRatePtr;
86         typedef std::list<SampleRatePtr> SampleRateList;
87
88   public:
89
90         explicit ExportFormatManager (SpecPtr specification);
91         ~ExportFormatManager ();
92
93         /* Signals */
94
95         PBD::Signal1<void,bool> CompleteChanged;
96
97         /* Access to lists */
98
99         CompatList const & get_compatibilities () { return compatibilities; }
100         QualityList const & get_qualities () { return qualities; }
101         FormatList const & get_formats () { return formats; }
102         SampleRateList const & get_sample_rates () { return sample_rates; }
103
104         /* Non interactive selections */
105
106         void set_name (Glib::ustring name);
107
108         void select_src_quality (ExportFormatBase::SRCQuality value);
109         void select_trim_beginning (bool value);
110         void select_silence_beginning (AnyTime const & time);
111         void select_trim_end (bool value);
112         void select_silence_end (AnyTime const & time);
113         void select_normalize (bool value);
114         void select_normalize_target (float value);
115         void select_tagging (bool tag);
116
117   private:
118
119         void init_compatibilities ();
120         void init_qualities ();
121         void init_formats ();
122         void init_sample_rates ();
123
124         void add_compatibility (CompatPtr ptr);
125         void add_quality (QualityPtr ptr);
126         void add_format (FormatPtr ptr);
127         void add_sample_rate (SampleRatePtr ptr);
128
129         /* Connected to signals */
130
131         void change_compatibility_selection (bool select, WeakCompatPtr const & compat);
132         void change_quality_selection (bool select, WeakQualityPtr const & quality);
133         void change_format_selection (bool select, WeakFormatPtr const & format);
134         void change_sample_rate_selection (bool select, WeakSampleRatePtr const & rate);
135
136         void change_sample_format_selection (bool select, WeakSampleFormatPtr const & format);
137         void change_dither_type_selection (bool select, WeakDitherTypePtr const & type);
138
139         /* Do actual selection */
140
141         void select_compatibility (WeakCompatPtr const & compat);
142         void select_quality (QualityPtr const & quality);
143         void select_format (FormatPtr const & format);
144         void select_sample_rate (SampleRatePtr const & rate);
145
146         void select_sample_format (SampleFormatPtr const & format);
147         void select_dither_type (DitherTypePtr const & type);
148
149         bool pending_selection_change;
150         void selection_changed ();
151
152         /* Formats and compatibilities */
153
154         QualityPtr    get_selected_quality ();
155         FormatPtr     get_selected_format ();
156         SampleRatePtr get_selected_sample_rate ();
157
158         SampleFormatPtr get_selected_sample_format ();
159
160         FormatBasePtr get_compatibility_intersection ();
161
162         FormatBasePtr   universal_set;
163         SpecPtr         current_selection;
164
165         CompatList      compatibilities;
166         QualityList     qualities;
167         FormatList      formats;
168         SampleRateList  sample_rates;
169
170 };
171
172 } // namespace ARDOUR
173
174 #endif /* __ardour_export_format_manager_h__ */