Robin Gareus
2ff8f5a5de
This prepares to combine multiple RegionPropertyChanged signals (potentially thousands) into a single signal.
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/*
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* Copyright (C) 2021 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <algorithm>
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#include "ardour/region.h"
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#include "ardour/thawlist.h"
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using namespace ARDOUR;
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ThawList::~ThawList ()
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{
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assert (empty ()); // so far all lists are explicitly release()d
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release ();
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}
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void
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ThawList::add (boost::shared_ptr<Region> r)
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{
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if (std::find (begin (), end (), r) != end ()) {
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return;
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}
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r->suspend_property_changes ();
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push_back (r);
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}
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void
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ThawList::release ()
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{
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Region::ChangeMap cm;
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for (RegionList::iterator i = begin (); i != end (); ++i) {
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(*i)->set_changemap (&cm);
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(*i)->resume_property_changes ();
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(*i)->set_changemap (0);
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}
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for (Region::ChangeMap::const_iterator i = cm.begin (); i != cm.end (); ++i) {
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boost::shared_ptr<RegionList> rl (new RegionList (i->second));
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assert (rl->size () > 0);
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Region::RegionsPropertyChanged (rl, i->first);
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}
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clear ();
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}
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