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/* SPDX-License-Identifier: GPL-2.0-or-later */
/**********************************************************************
Audacity: A Digital Audio Editor
ImportExport.cpp
Vitaly Sverchinsky
**********************************************************************/
#include "ImportExport.h"
#include "Project.h"
#include "XMLWriter.h"
#include "XMLAttributeValueView.h"
static const AudacityProject::AttachedObjects::RegisteredFactory
sKey{
[]( AudacityProject &){
auto result = std::make_shared< ImportExport >();
return result;
}
};
ImportExport& ImportExport::Get(AudacityProject& project)
{
return project.AttachedObjects::Get<ImportExport>(sKey);
}
const ImportExport& ImportExport::Get(const AudacityProject &project)
{
return Get(const_cast<AudacityProject&>(project));
}
ImportExport::ImportExport() = default;
double ImportExport::GetPreferredExportRate() const
{
return mExportRate;
}
void ImportExport::SetPreferredExportRate(double rate)
{
assert(rate > 0 || rate == InvalidRate);
if(rate > 0 || rate == InvalidRate)
mExportRate = rate;
}
static ProjectFileIORegistry::AttributeWriterEntry entry {
[](const AudacityProject &project, XMLWriter &xmlFile){
xmlFile.WriteAttr(wxT("preferred_export_rate"), ImportExport::Get(project).GetPreferredExportRate());
}
};
static ProjectFileIORegistry::AttributeReaderEntries entries {
// Just a pointer to function, but needing overload resolution as non-const:
(ImportExport& (*)(AudacityProject &)) &ImportExport::Get, {
{ "preferred_export_rate", [](auto &settings, auto value){
const double rate = value.Get(settings.GetPreferredExportRate());
settings.SetPreferredExportRate( rate );
} }
} };
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