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Code Issues Releases Wiki Activity

Change handling of added tracks in ImportAup...

Browse Source 
... Add them to the project, not a temporary array; revoke the addition if
there is a failure.

Preliminary for fixing bug 2570.
This commit is contained in:
Paul Licameli 2020-11-06 07:44:39 -05:00
parent 8ac1cb75aa
commit e9d72ed6df
1 changed files with 18 additions and 22 deletions
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40
src/import/ImportAUP.cpp
View File

@ -206,7 +206,6 @@ private:
std::map<wxString, std::pair<FilePath, std::shared_ptr<SampleBlock>>>;
BlockFileMap mFileMap;
ListOfTracks mTracks;
WaveTrack *mWaveTrack;
WaveClip *mClip;
@ -284,7 +283,16 @@ ProgressResult AUPImportFileHandle::Import(WaveTrackFactory *WXUNUSED(trackFacto
auto &settings = ProjectSettings::Get(mProject);
auto &selman = ProjectSelectionManager::Get(mProject);
auto cleanup = finally([this]{ mTracks.clear(); });
auto oldNumTracks = tracks.size();
auto cleanup = finally([this, &tracks, oldNumTracks]{
if (mUpdateResult != ProgressResult::Success) {
// Revoke additions of tracks
while (oldNumTracks < tracks.size()) {
Track *lastTrack = *tracks.Any().rbegin();
tracks.Remove(lastTrack);
}
}
});
bool isDirty = history.GetDirty() || !tracks.empty();
@ -352,12 +360,8 @@ ProgressResult AUPImportFileHandle::Import(WaveTrackFactory *WXUNUSED(trackFacto
processed += fi.len;
}
// Copy the tracks we just created into the project.
for (auto &track : mTracks)
{
tracks.Add(track);
}
wxASSERT( mUpdateResult == ProgressResult::Success );
// If the active project is "dirty", then bypass the below updates as we don't
// want to going changing things the user may have already set up.
@ -828,9 +832,7 @@ bool AUPImportFileHandle::HandleProject(XMLTagHandler *&handler)
bool AUPImportFileHandle::HandleLabelTrack(XMLTagHandler *&handler)
{
mTracks.push_back(std::make_shared<LabelTrack>());
handler = mTracks.back().get();
handler = TrackList::Get(mProject).Add(std::make_shared<LabelTrack>());
return true;
}
@ -838,9 +840,7 @@ bool AUPImportFileHandle::HandleLabelTrack(XMLTagHandler *&handler)
bool AUPImportFileHandle::HandleNoteTrack(XMLTagHandler *&handler)
{
#if defined(USE_MIDI)
mTracks.push_back( std::make_shared<NoteTrack>());
handler = mTracks.back().get();
handler = TrackList::Get(mProject).Add(std::make_shared<NoteTrack>());
return true;
#else
@ -872,9 +872,8 @@ bool AUPImportFileHandle::HandleTimeTrack(XMLTagHandler *&handler)
}
auto &viewInfo = ViewInfo::Get( mProject );
mTracks.push_back( std::make_shared<TimeTrack>(&viewInfo) );
handler = mTracks.back().get();
handler =
TrackList::Get(mProject).Add(std::make_shared<TimeTrack>(&viewInfo));
return true;
}
@ -882,11 +881,8 @@ bool AUPImportFileHandle::HandleTimeTrack(XMLTagHandler *&handler)
bool AUPImportFileHandle::HandleWaveTrack(XMLTagHandler *&handler)
{
auto &trackFactory = WaveTrackFactory::Get(mProject);
mTracks.push_back(trackFactory.NewWaveTrack());
handler = mTracks.back().get();
mWaveTrack = static_cast<WaveTrack *>(handler);
handler = mWaveTrack =
TrackList::Get(mProject).Add(trackFactory.NewWaveTrack());
// No active clip. In early versions of Audacity, there was a single
// implied clip so we'll create a clip when the first "sequence" is