Remove uses of GetActiveProject in import

src/ProjectFileManager.cpp

@@ -1620,7 +1620,7 @@ bool ProjectFileManager::Import(
       auto newTags = oldTags->Duplicate();
       Tags::Set( project, newTags );
 
-      bool success = Importer::Get().Import(fileName,
+      bool success = Importer::Get().Import(project, fileName,
                                             &TrackFactory::Get( project ),
                                             newTracks,
                                             newTags.get(),

src/import/Import.cpp

@@ -409,13 +409,14 @@ std::unique_ptr<ExtImportItem> Importer::CreateDefaultImportItem()
 }
 
 // returns number of tracks imported
-bool Importer::Import(const FilePath &fName,
+bool Importer::Import( AudacityProject &project,
+                     const FilePath &fName,
                      TrackFactory *trackFactory,
                      TrackHolders &tracks,
                      Tags *tags,
                      TranslatableString &errorMessage)
 {
-   AudacityProject *pProj = GetActiveProject();
+   AudacityProject *pProj = &project;
    auto cleanup = valueRestorer( pProj->mbBusyImporting, true );
 
    const FileExtension extension{ fName.AfterLast(wxT('.')) };
@@ -589,7 +590,7 @@ bool Importer::Import(const FilePath &fName,
    {
       // Try to open the file with this plugin (probe it)
       wxLogMessage(wxT("Opening with %s"),plugin->GetPluginStringID());
-      auto inFile = plugin->Open(fName);
+      auto inFile = plugin->Open(fName, pProj);
       if ( (inFile != NULL) && (inFile->GetStreamCount() > 0) )
       {
          wxLogMessage(wxT("Open(%s) succeeded"), fName);

src/import/Import.h

@@ -22,6 +22,7 @@
 
 class wxArrayString;
 class wxListBox;
+class AudacityProject;
 class Tags;
 class TrackFactory;
 class Track;
@@ -158,7 +159,8 @@ public:
     std::unique_ptr<ExtImportItem> CreateDefaultImportItem();
 
    // if false, the import failed and errorMessage will be set.
-   bool Import(const FilePath &fName,
+   bool Import( AudacityProject &project,
+              const FilePath &fName,
               TrackFactory *trackFactory,
               TrackHolders &tracks,
               Tags *tags,

src/import/ImportFFmpeg.cpp

@@ -183,7 +183,8 @@ public:
    TranslatableString GetPluginFormatDescription() override;
 
    ///! Probes the file and opens it if appropriate
-   std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject*) override;
    
    unsigned SequenceNumber() const override;
 };
@@ -291,7 +292,8 @@ TranslatableString FFmpegImportPlugin::GetPluginFormatDescription()
    return DESC;
 }
 
-std::unique_ptr<ImportFileHandle> FFmpegImportPlugin::Open(const FilePath &filename)
+std::unique_ptr<ImportFileHandle> FFmpegImportPlugin::Open(
+   const FilePath &filename, AudacityProject*)
 {
    auto handle = std::make_unique<FFmpegImportFileHandle>(filename);
 

src/import/ImportFLAC.cpp

@@ -135,7 +135,8 @@ class FLACImportPlugin final : public ImportPlugin
 
    wxString GetPluginStringID() override { return wxT("libflac"); }
    TranslatableString GetPluginFormatDescription() override;
-   std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename)  override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject*)  override;
 
    unsigned SequenceNumber() const override;
 };
@@ -291,7 +292,8 @@ TranslatableString FLACImportPlugin::GetPluginFormatDescription()
 }
 
 
-std::unique_ptr<ImportFileHandle> FLACImportPlugin::Open(const FilePath &filename)
+std::unique_ptr<ImportFileHandle> FLACImportPlugin::Open(
+   const FilePath &filename, AudacityProject*)
 {
    // First check if it really is a FLAC file
 

src/import/ImportGStreamer.cpp

@@ -247,7 +247,8 @@ public:
    FileExtensions GetSupportedExtensions() override;
 
    ///! Probes the file and opens it if appropriate
-   std::unique_ptr<ImportFileHandle> Open(const wxString &Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const wxString &Filename, AudacityProject*) override;
 
    unsigned SequenceNumber() const override;
 };
@@ -409,7 +410,8 @@ GStreamerImportPlugin::GetSupportedExtensions()
 
 // ----------------------------------------------------------------------------
 // Open the file and return an importer "file handle"
-std::unique_ptr<ImportFileHandle> GStreamerImportPlugin::Open(const wxString &filename)
+std::unique_ptr<ImportFileHandle> GStreamerImportPlugin::Open(
+   const wxString &filename, AudacityProject*)
 {
    auto handle = std::make_unique<GStreamerImportFileHandle>(filename);
 

src/import/ImportLOF.cpp

@@ -114,7 +114,8 @@ public:
 
    wxString GetPluginStringID() override { return wxT("lof"); }
    TranslatableString GetPluginFormatDescription() override;
-   std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject *pProject) override;
 
    unsigned SequenceNumber() const override;
 };
@@ -123,7 +124,8 @@ public:
 class LOFImportFileHandle final : public ImportFileHandle
 {
 public:
-   LOFImportFileHandle(const FilePath & name, std::unique_ptr<wxTextFile> &&file);
+   LOFImportFileHandle( AudacityProject *pProject,
+      const FilePath & name, std::unique_ptr<wxTextFile> &&file);
    ~LOFImportFileHandle();
 
    TranslatableString GetFileDescription() override;
@@ -150,7 +152,7 @@ private:
    std::unique_ptr<wxTextFile> mTextFile;
    wxFileName mLOFFileName;  /**< The name of the LOF file, which is used to
                                 interpret relative paths in it */
-   AudacityProject *mProject{ GetActiveProject() };
+   AudacityProject *mProject{};
 
    // In order to know whether or not to create a NEW window
    bool              windowCalledOnce{ false };
@@ -164,11 +166,12 @@ private:
    double            scrollOffset{ 0 };
 };
 
-LOFImportFileHandle::LOFImportFileHandle
-   (const FilePath & name, std::unique_ptr<wxTextFile> &&file)
-:  ImportFileHandle(name),
-   mTextFile(std::move(file))
+LOFImportFileHandle::LOFImportFileHandle( AudacityProject *pProject,
+   const FilePath & name, std::unique_ptr<wxTextFile> &&file)
+:  ImportFileHandle(name)
+   , mTextFile(std::move(file))
    , mLOFFileName{name}
+   , mProject{ pProject }
 {
 }
 
@@ -177,7 +180,8 @@ TranslatableString LOFImportPlugin::GetPluginFormatDescription()
     return DESC;
 }
 
-std::unique_ptr<ImportFileHandle> LOFImportPlugin::Open(const FilePath &filename)
+std::unique_ptr<ImportFileHandle> LOFImportPlugin::Open(
+   const FilePath &filename, AudacityProject *pProject)
 {
    // Check if it is a binary file
    {
@@ -208,7 +212,8 @@ std::unique_ptr<ImportFileHandle> LOFImportPlugin::Open(const FilePath &filename
    if (!file->IsOpened())
       return nullptr;
 
-   return std::make_unique<LOFImportFileHandle>(filename, std::move(file));
+   return std::make_unique<LOFImportFileHandle>(
+      pProject, filename, std::move(file));
 }
 
 TranslatableString LOFImportFileHandle::GetFileDescription()

src/import/ImportMP3.cpp

@@ -115,7 +115,8 @@ public:
 
    wxString GetPluginStringID() override { return wxT("libmad"); }
    TranslatableString GetPluginFormatDescription() override;
-   std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject*) override;
 
    unsigned SequenceNumber() const override;
 };
@@ -177,7 +178,8 @@ TranslatableString MP3ImportPlugin::GetPluginFormatDescription()
    return DESC;
 }
 
-std::unique_ptr<ImportFileHandle> MP3ImportPlugin::Open(const FilePath &Filename)
+std::unique_ptr<ImportFileHandle> MP3ImportPlugin::Open(
+   const FilePath &Filename, AudacityProject*)
 {
    auto file = std::make_unique<wxFile>(Filename);
 

src/import/ImportOGG.cpp

@@ -89,7 +89,8 @@ public:
 
    wxString GetPluginStringID() override { return wxT("liboggvorbis"); }
    TranslatableString GetPluginFormatDescription() override;
-   std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject*) override;
 
    unsigned SequenceNumber() const override;
 };
@@ -167,7 +168,8 @@ TranslatableString OggImportPlugin::GetPluginFormatDescription()
     return DESC;
 }
 
-std::unique_ptr<ImportFileHandle> OggImportPlugin::Open(const FilePath &filename)
+std::unique_ptr<ImportFileHandle> OggImportPlugin::Open(
+   const FilePath &filename, AudacityProject*)
 {
    // Suppress some compiler warnings about unused global variables in the library header
    wxUnusedVar(OV_CALLBACKS_DEFAULT);

src/import/ImportPCM.cpp

@@ -87,7 +87,8 @@ public:
 
    wxString GetPluginStringID() override { return wxT("libsndfile"); }
    TranslatableString GetPluginFormatDescription() override;
-   std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject*) override;
 
    unsigned SequenceNumber() const override;
 };
@@ -126,7 +127,8 @@ TranslatableString PCMImportPlugin::GetPluginFormatDescription()
     return DESC;
 }
 
-std::unique_ptr<ImportFileHandle> PCMImportPlugin::Open(const FilePath &filename)
+std::unique_ptr<ImportFileHandle> PCMImportPlugin::Open(
+   const FilePath &filename, AudacityProject*)
 {
    SF_INFO info;
    wxFile f;   // will be closed when it goes out of scope

src/import/ImportPlugin.h

@@ -52,6 +52,7 @@ but little else.
 
 #include "ImportRaw.h" // defines TrackHolders
 
+class AudacityProject;
 class wxArrayString;
 class ProgressDialog;
 enum class ProgressResult : unsigned;
@@ -92,7 +93,8 @@ public:
    // Open the given file, returning true if it is in a recognized
    // format, false otherwise.  This puts the importer into the open
    // state.
-   virtual std::unique_ptr<ImportFileHandle> Open(const FilePath &Filename) = 0;
+   virtual std::unique_ptr<ImportFileHandle> Open(
+      const FilePath &Filename, AudacityProject*) = 0;
 
    virtual unsigned SequenceNumber() const = 0;
 

src/import/ImportQT.cpp

@@ -122,7 +122,8 @@ class QTImportPlugin final : public ImportPlugin
    wxString GetPluginStringID() override { return wxT("quicktime"); }
 
    TranslatableString GetPluginFormatDescription() override;
-   std::unique_ptr<ImportFileHandle> Open(const wxString & Filename) override;
+   std::unique_ptr<ImportFileHandle> Open(
+      const wxString & Filename, AudacityProject*) override;
 
    unsigned SequenceNumber() const override;
 
@@ -180,7 +181,8 @@ TranslatableString QTImportPlugin::GetPluginFormatDescription()
    return DESC;
 }
 
-std::unique_ptr<ImportFileHandle> QTImportPlugin::Open(const wxString & Filename)
+std::unique_ptr<ImportFileHandle> QTImportPlugin::Open(
+   const wxString & Filename, AudacityProject*)
 {
    OSErr err;
    FSRef inRef;