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livetrax/libs/ardour/midi_patch_manager.cc

144 lines
4.1 KiB
C++

/*
Copyright (C) 2008 Hans Baier
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <boost/shared_ptr.hpp>
#include "pbd/compose.h"
#include "pbd/file_utils.h"
#include "pbd/error.h"
#include "ardour/session.h"
#include "ardour/session_directory.h"
#include "ardour/midi_patch_manager.h"
#include "ardour/midi_patch_search_path.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace MIDI;
using namespace MIDI::Name;
using namespace PBD;
using namespace PBD::sys;
MidiPatchManager* MidiPatchManager::_manager = 0;
MidiPatchManager::MidiPatchManager ()
{
refresh ();
}
void
MidiPatchManager::set_session (Session* s)
{
SessionHandlePtr::set_session (s);
add_session_patches ();
}
void
MidiPatchManager::add_session_patches ()
{
if (!_session) {
return;
}
path path_to_patches = _session->session_directory().midi_patch_path();
if (!exists (path_to_patches)) {
return;
}
assert(is_directory(path_to_patches));
Glib::PatternSpec pattern(string("*.midnam"));
vector<path> result;
find_matching_files_in_directory (path_to_patches, pattern, result);
info << "Loading " << result.size() << " MIDI patches from " << path_to_patches.to_string() << endmsg;
for (vector<path>::iterator i = result.begin(); i != result.end(); ++i) {
boost::shared_ptr<MIDINameDocument> document(new MIDINameDocument(i->to_string()));
for (MIDINameDocument::MasterDeviceNamesList::const_iterator device =
document->master_device_names_by_model().begin();
device != document->master_device_names_by_model().end();
++device) {
//cerr << "got model " << device->first << endl;
// have access to the documents by model name
_documents[device->first] = document;
// build a list of all master devices from all documents
_master_devices_by_model[device->first] = device->second;
_all_models.push_back(device->first);
// make sure there are no double model names
// TODO: handle this gracefully.
assert(_documents.count(device->first) == 1);
assert(_master_devices_by_model.count(device->first) == 1);
}
}
}
void
MidiPatchManager::refresh()
{
_documents.clear();
_master_devices_by_model.clear();
_all_models.clear();
SearchPath search_path = midi_patch_search_path ();
Glib::PatternSpec pattern (string("*.midnam"));
vector<path> result;
find_matching_files_in_search_path (search_path, pattern, result);
info << "Loading " << result.size() << " MIDI patches from " << search_path.to_string() << endmsg;
for (vector<path>::iterator i = result.begin(); i != result.end(); ++i) {
boost::shared_ptr<MIDINameDocument> document(new MIDINameDocument(i->to_string()));
for (MIDINameDocument::MasterDeviceNamesList::const_iterator device =
document->master_device_names_by_model().begin();
device != document->master_device_names_by_model().end();
++device) {
//cerr << "got model " << device->first << endl;
// have access to the documents by model name
_documents[device->first] = document;
// build a list of all master devices from all documents
_master_devices_by_model[device->first] = device->second;
_all_models.push_back(device->first);
// make sure there are no double model names
// TODO: handle this gracefully.
assert(_documents.count(device->first) == 1);
assert(_master_devices_by_model.count(device->first) == 1);
}
}
if (_session) {
add_session_patches ();
}
}
void
MidiPatchManager::session_going_away ()
{
SessionHandlePtr::session_going_away ();
refresh ();
}