Move default temporary directory from AudacityApp.h to FileNames

src/AudacityApp.cpp

@@ -1279,10 +1279,12 @@ bool AudacityApp::OnInit()
    if (!envTempDir.empty()) {
       /* On Unix systems, the environment variable TMPDIR may point to
          an unusual path when /tmp and /var/tmp are not desirable. */
-      defaultTempDir.Printf(wxT("%s/audacity-%s"), envTempDir, wxGetUserId());
+      FileNames::SetDefaultTempDir( wxString::Format(
+         wxT("%s/audacity-%s"), envTempDir, wxGetUserId() ) );
    } else {
       /* On Unix systems, the default temp dir is in /var/tmp. */
-      defaultTempDir.Printf(wxT("/var/tmp/audacity-%s"), wxGetUserId());
+      FileNames::SetDefaultTempDir( wxString::Format(
+         wxT("/var/tmp/audacity-%s"), wxGetUserId() ) );
    }
 
 // DA: Path env variable.
@@ -1349,8 +1351,8 @@ bool AudacityApp::OnInit()
 
    // See bug #1271 for explanation of location
    tmpDirLoc = FileNames::MkDir(wxStandardPaths::Get().GetUserLocalDataDir());
-   defaultTempDir.Printf(wxT("%s\\SessionData"),
-      tmpDirLoc);
+   FileNames::SetDefaultTempDir( wxString::Format(
+      wxT("%s\\SessionData"), tmpDirLoc ) );
 #endif //__WXWSW__
 
 #ifdef __WXMAC__
@@ -1368,12 +1370,13 @@ bool AudacityApp::OnInit()
 
    // JKC Bug 1220: Using an actual temp directory for session data on Mac was
    // wrong because it would get cleared out on a reboot.
-   defaultTempDir.Printf(wxT("%s/Library/Application Support/audacity/SessionData"),
-      tmpDirLoc);
+   FileNames::SetDefaultTempDir( wxString::Format(
+      wxT("%s/Library/Application Support/audacity/SessionData"), tmpDirLoc) );
 
-   //defaultTempDir.Printf(wxT("%s/audacity-%s"),
+   //FileNames::SetDefaultTempDir( wxString::Format(
+   //   wxT("%s/audacity-%s"),
    //   tmpDirLoc,
-   //   wxGetUserId());
+   //   wxGetUserId() ) );
 #endif //__WXMAC__
 
    // Define languanges for which we have translations, but that are not yet
@@ -1675,36 +1678,6 @@ void AudacityApp::OnKeyDown(wxKeyEvent &event)
       event.Skip();
 }
 
-// We now disallow temp directory name that puts it where cleaner apps will
-// try to clean out the files.  
-bool AudacityApp::IsTempDirectoryNameOK( const wxString & Name ){
-   if( Name.empty() )
-      return false;
-
-   wxFileName tmpFile;
-   tmpFile.AssignTempFileName(wxT("nn"));
-   // use Long Path to expand out any abbreviated long substrings.
-   wxString BadPath = tmpFile.GetLongPath();
-   ::wxRemoveFile(tmpFile.GetFullPath());
-
-#ifdef __WXMAC__
-   // This test is to fix bug 1220 on a 1.x to 2.x to 2.1.3 upgrade.
-   // It is less permissive than we could be as it stops a path
-   // with this string ANYWHERE within it rather than excluding just
-   // the paths that the earlier Audacities used to create.
-   if( Name.Contains( "/tmp/") )
-      return false;
-   BadPath = BadPath.BeforeLast( '/' ) + "/";
-   wxFileName cmpFile( Name );
-   wxString NameCanonical = cmpFile.GetLongPath( ) + "/";
-#else
-   BadPath = BadPath.BeforeLast( '\\' ) + "\\";
-   wxFileName cmpFile( Name );
-   wxString NameCanonical = cmpFile.GetLongPath( ) + "\\";
-#endif
-   return !(NameCanonical.StartsWith( BadPath ));
-}
-
 // Ensures directory is created and puts the name into result.
 // result is unchanged if unsuccessful.
 void SetToExtantDirectory( wxString & result, const wxString & dir ){
@@ -1726,7 +1699,7 @@ bool AudacityApp::InitTempDir()
    // We need to find a temp directory location.
 
    wxString tempFromPrefs = gPrefs->Read(wxT("/Directories/TempDir"), wxT(""));
-   wxString tempDefaultLoc = wxGetApp().defaultTempDir;
+   auto tempDefaultLoc = FileNames::DefaultTempDir();
 
    wxString temp;
 
@@ -1740,7 +1713,7 @@ bool AudacityApp::InitTempDir()
    wxLogNull logNo;
 
    // Try temp dir that was stored in prefs first
-   if( IsTempDirectoryNameOK( tempFromPrefs ) )
+   if( FileNames::IsTempDirectoryNameOK( tempFromPrefs ) )
       SetToExtantDirectory( temp, tempFromPrefs );
 
    // If that didn't work, try the default location
@@ -1763,7 +1736,7 @@ bool AudacityApp::InitTempDir()
 
    if (temp.empty()) {
       // Failed
-      if( !IsTempDirectoryNameOK( tempFromPrefs ) ) {
+      if( !FileNames::IsTempDirectoryNameOK( tempFromPrefs ) ) {
          AudacityMessageBox(_("Audacity could not find a safe place to store temporary files.\nAudacity needs a place where automatic cleanup programs won't delete the temporary files.\nPlease enter an appropriate directory in the preferences dialog."));
       } else {
          AudacityMessageBox(_("Audacity could not find a place to store temporary files.\nPlease enter an appropriate directory in the preferences dialog."));

src/AudacityApp.h

@@ -123,9 +123,6 @@ class AudacityApp final : public wxApp {
     * which contains the Audacity program. */
    FilePaths audacityPathList;
 
-   /** \brief Default temp directory */
-   wxString defaultTempDir;
-
    // Useful functions for working with search paths
    static void AddUniquePathToPathList(const FilePath &path,
                                        FilePaths &pathList);
@@ -135,7 +132,6 @@ class AudacityApp final : public wxApp {
                                    const FilePaths & pathList,
                                    FilePaths &results,
                                    int flags = wxDIR_FILES);
-   static bool IsTempDirectoryNameOK( const wxString & Name );
 
    bool GetWindowRectAlreadySaved()const {return mWindowRectAlreadySaved;}
    void SetWindowRectAlreadySaved(bool alreadySaved) {mWindowRectAlreadySaved = alreadySaved;}

src/FileNames.cpp

@@ -475,3 +475,47 @@ FileNames::SelectFile(Operation op,
             wildcard, flags, parent, wxDefaultCoord, wxDefaultCoord);
    });
 }
+
+/** \brief Default temp directory */
+static FilePath sDefaultTempDir;
+
+const FilePath &FileNames::DefaultTempDir()
+{
+   return sDefaultTempDir;
+}
+
+void FileNames::SetDefaultTempDir( const FilePath &tempDir )
+{
+   sDefaultTempDir = tempDir;
+}
+
+// We now disallow temp directory name that puts it where cleaner apps will
+// try to clean out the files.  
+bool FileNames::IsTempDirectoryNameOK( const FilePath & Name )
+{
+   if( Name.empty() )
+      return false;
+
+   wxFileName tmpFile;
+   tmpFile.AssignTempFileName(wxT("nn"));
+   // use Long Path to expand out any abbreviated long substrings.
+   wxString BadPath = tmpFile.GetLongPath();
+   ::wxRemoveFile(tmpFile.GetFullPath());
+
+#ifdef __WXMAC__
+   // This test is to fix bug 1220 on a 1.x to 2.x to 2.1.3 upgrade.
+   // It is less permissive than we could be as it stops a path
+   // with this string ANYWHERE within it rather than excluding just
+   // the paths that the earlier Audacities used to create.
+   if( Name.Contains( "/tmp/") )
+      return false;
+   BadPath = BadPath.BeforeLast( '/' ) + "/";
+   wxFileName cmpFile( Name );
+   wxString NameCanonical = cmpFile.GetLongPath( ) + "/";
+#else
+   BadPath = BadPath.BeforeLast( '\\' ) + "\\";
+   wxFileName cmpFile( Name );
+   wxString NameCanonical = cmpFile.GetLongPath( ) + "\\";
+#endif
+   return !(NameCanonical.StartsWith( BadPath ));
+}

src/FileNames.h

@@ -36,6 +36,10 @@ public:
    static wxString MkDir(const wxString &Str);
    static wxString TempDir();
 
+   static const FilePath &DefaultTempDir();
+   static void SetDefaultTempDir( const FilePath &tempDir );
+   static bool IsTempDirectoryNameOK( const FilePath & Name );
+
    // originally an ExportMultiple method. Append suffix if newName appears in otherNames.
    static void MakeNameUnique(
       FilePaths &otherNames, wxFileName &newName);

src/prefs/DirectoriesPrefs.cpp

@@ -32,8 +32,8 @@
 #include <wx/filename.h>
 #include <wx/utils.h>
 
+#include "../FileNames.h"
 #include "../Prefs.h"
-#include "../AudacityApp.h"
 #include "../ShuttleGui.h"
 #include "../widgets/ErrorDialog.h"
 
@@ -147,14 +147,15 @@ void DirectoriesPrefs::PopulateOrExchange(ShuttleGui & S)
 
 void DirectoriesPrefs::OnChooseTempDir(wxCommandEvent & e)
 {
-   wxString oldTempDir = gPrefs->Read(wxT("/Directories/TempDir"), wxGetApp().defaultTempDir);
+   wxString oldTempDir =
+      gPrefs->Read(wxT("/Directories/TempDir"), FileNames::DefaultTempDir());
 
    // Because we went through InitTempDir() during initialisation,
    // the old temp directory name in prefs should already be OK.  Just in case there is 
    // some way we hadn't thought of for it to be not OK, 
    // we avoid prompting with it in that case and use the suggested default instead.
-   if( !AudacityApp::IsTempDirectoryNameOK( oldTempDir ) )
-      oldTempDir = wxGetApp().defaultTempDir;
+   if( !FileNames::IsTempDirectoryNameOK( oldTempDir ) )
+      oldTempDir = FileNames::DefaultTempDir();
 
    wxDirDialogWrapper dlog(this,
                     _("Choose a location to place the temporary directory"),
@@ -182,7 +183,7 @@ void DirectoriesPrefs::OnChooseTempDir(wxCommandEvent & e)
       // If the default temp dir or user's pref dir don't end in '/' they cause
       // wxFileName's == operator to construct a wxFileName representing a file
       // (that doesn't exist) -- hence the constructor calls
-      if (tmpDirPath != wxFileName(wxGetApp().defaultTempDir, wxT("")) &&
+      if (tmpDirPath != wxFileName(FileNames::DefaultTempDir(), wxT("")) &&
             tmpDirPath != wxFileName(mTempDir->GetValue(), wxT("")) &&
             (dirsInPath.size() == 0 ||
              dirsInPath[dirsInPath.size()-1] != newDirName))
@@ -225,7 +226,7 @@ bool DirectoriesPrefs::Validate()
    tempDir.SetPath(mTempDir->GetValue());
 
    wxString path{tempDir.GetPath()};
-   if( !AudacityApp::IsTempDirectoryNameOK( path ) ) {
+   if( !FileNames::IsTempDirectoryNameOK( path ) ) {
       AudacityMessageBox(
          wxString::Format(_("Directory %s is not suitable (at risk of being cleaned out)"),
                            path),