libs/ardour/ardour/midi_patch_manager.h

   1 /*
   2     Copyright (C) 2008 Hans Baier
   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
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id$
  19 */
  20
  21 #ifndef MIDI_PATCH_MANAGER_H_
  22 #define MIDI_PATCH_MANAGER_H_
  23
  24 #include "midi++/midnam_patch.h"
  25 #include "pbd/signals.h"
  26 #include "ardour/session_handle.h"
  27
  28 namespace ARDOUR {
  29         class Session;
  30 }
  31
  32 namespace MIDI
  33 {
  34
  35 namespace Name
  36 {
  37
  38 class LIBARDOUR_API MidiPatchManager : public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr
  39 {
  40         /// Singleton
  41 private:
  42         MidiPatchManager();
  43         MidiPatchManager( const MidiPatchManager& );
  44         MidiPatchManager& operator= (const MidiPatchManager&);
  45
  46         static MidiPatchManager* _manager;
  47
  48 public:
  49         typedef std::map<std::string, boost::shared_ptr<MIDINameDocument> >    MidiNameDocuments;
  50         typedef std::map<std::string, MIDINameDocument::MasterDeviceNamesList> DeviceNamesByMaker;
  51
  52         virtual ~MidiPatchManager() { _manager = 0; }
  53
  54         static MidiPatchManager& instance() {
  55                 if (_manager == 0) {
  56                         _manager = new MidiPatchManager();
  57                 }
  58                 return *_manager;
  59         }
  60
  61         void set_session (ARDOUR::Session*);
  62
  63         boost::shared_ptr<MIDINameDocument> document_by_model(std::string model_name)
  64                 { return _documents[model_name]; }
  65
  66         boost::shared_ptr<MasterDeviceNames> master_device_by_model(std::string model_name)
  67                 { return _master_devices_by_model[model_name]; }
  68
  69         boost::shared_ptr<ChannelNameSet> find_channel_name_set(
  70                         std::string model,
  71                         std::string custom_device_mode,
  72                         uint8_t channel) {
  73                 boost::shared_ptr<MIDI::Name::MasterDeviceNames> master_device = master_device_by_model(model);
  74
  75                 if (master_device != 0 && custom_device_mode != "") {
  76                         return master_device->channel_name_set_by_channel(custom_device_mode, channel);
  77                 } else {
  78                         return boost::shared_ptr<ChannelNameSet>();
  79                 }
  80         }
  81
  82         boost::shared_ptr<Patch> find_patch(
  83                         std::string model,
  84                         std::string custom_device_mode,
  85                         uint8_t channel,
  86                         PatchPrimaryKey patch_key) {
  87
  88                 boost::shared_ptr<ChannelNameSet> channel_name_set = find_channel_name_set(model, custom_device_mode, channel);
  89
  90                 if (channel_name_set) {
  91                         return  channel_name_set->find_patch(patch_key);
  92                 } else {
  93                         return boost::shared_ptr<Patch>();
  94                 }
  95         }
  96
  97         boost::shared_ptr<Patch> previous_patch(
  98                         std::string model,
  99                         std::string custom_device_mode,
 100                         uint8_t channel,
 101                         PatchPrimaryKey patch_key) {
 102
 103                 boost::shared_ptr<ChannelNameSet> channel_name_set = find_channel_name_set(model, custom_device_mode, channel);
 104
 105                 if (channel_name_set) {
 106                         return  channel_name_set->previous_patch(patch_key);
 107                 } else {
 108                         return boost::shared_ptr<Patch>();
 109                 }
 110         }
 111
 112         boost::shared_ptr<Patch> next_patch(
 113                         std::string model,
 114                         std::string custom_device_mode,
 115                         uint8_t channel,
 116                         PatchPrimaryKey patch_key) {
 117
 118                 boost::shared_ptr<ChannelNameSet> channel_name_set = find_channel_name_set(model, custom_device_mode, channel);
 119
 120                 if (channel_name_set) {
 121                         return  channel_name_set->next_patch(patch_key);
 122                 } else {
 123                         return boost::shared_ptr<Patch>();
 124                 }
 125         }
 126
 127         std::list<std::string> custom_device_mode_names_by_model(std::string model_name) {
 128                 if (model_name != "") {
 129                         if (master_device_by_model(model_name)) {
 130                                 return master_device_by_model(model_name)->custom_device_mode_names();
 131                         }
 132                 }
 133                 return std::list<std::string>();
 134         }
 135
 136         const MasterDeviceNames::Models& all_models() const { return _all_models; }
 137
 138         const DeviceNamesByMaker& devices_by_manufacturer() const { return _devices_by_manufacturer; }
 139
 140 private:
 141         void session_going_away();
 142         void refresh();
 143         void add_session_patches();
 144
 145         MidiNameDocuments                       _documents;
 146         MIDINameDocument::MasterDeviceNamesList _master_devices_by_model;
 147         DeviceNamesByMaker                      _devices_by_manufacturer;
 148         MasterDeviceNames::Models               _all_models;
 149 };
 150
 151 } // namespace Name
 152
 153 } // namespace MIDI
 154
 155 #endif /* MIDI_PATCH_MANAGER_H_ */