Bug 328 (P2) - do not allow writing to paths that are also missing alias files.

src/Dependencies.h

@@ -14,8 +14,27 @@
 #ifndef __AUDACITY_DEPENDENCIES__
 #define __AUDACITY_DEPENDENCIES__
 
+#include <wx/dynarray.h>
+
 class AudacityProject;
 
+class AliasedFile 
+{
+public:
+   AliasedFile(wxFileName fileName, wxLongLong byteCount, bool bOriginalExists) 
+   {
+      mFileName = fileName;
+      mByteCount = byteCount;
+      mbOriginalExists = bOriginalExists;
+   };
+   wxFileName  mFileName;
+   wxLongLong  mByteCount; // if stored as current default sample format
+   bool        mbOriginalExists;
+};
+
+WX_DECLARE_OBJARRAY(AliasedFile, AliasedFileArray);
+
+
 // Checks for alias block files, modifies the project if the
 // user requests it, and returns True if the user continues.
 // Returns false if the user clicks Cancel, meaning that they do
@@ -23,4 +42,8 @@ class AudacityProject;
 bool ShowDependencyDialogIfNeeded(AudacityProject *project,
                                   bool isSaving);
 
+// Returns a list of aliased files associated with a project.
+void FindDependencies(AudacityProject *project,
+                      AliasedFileArray *outAliasedFiles);
+
 #endif