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Rewrite DirManager::EnsureSafeFileName without downcasts...

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... weakening but not yet eliminating dependency on BlockFile subclasses
This commit is contained in:
Paul Licameli
2019-05-14 12:58:20 -04:00
parent d46bb29e3a
commit 81d4c217e6
5 changed files with 50 additions and 27 deletions
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12
src/blockfile/ODDecodeBlockFile.cpp
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@@ -502,6 +502,18 @@ void ODDecodeBlockFile::UnlockRead() const
mReadDataMutex.Unlock();
}
const wxFileNameWrapper &ODDecodeBlockFile::GetExternalFileName() const
{
if ( !IsDataAvailable() )
return GetEncodedAudioFilename();
return SimpleBlockFile::GetExternalFileName();
}
void ODDecodeBlockFile::SetExternalFileName( wxFileNameWrapper &&newName )
{
ChangeAudioFile( std::move( newName ) );
}
/// Modify this block to point at a different file. This is generally
/// looked down on, but it is necessary in one case: see
/// DirManager::EnsureSafeFilename().