AUP3: AutoRecoveryDialog experiment

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src/ActiveProjects.cpp

@@ -0,0 +1,98 @@
+/**********************************************************************
+
+  Audacity: A Digital Audio Editor
+
+  ActiveProjects.cpp
+
+********************************************************************//**
+
+\class ActiveProjects
+\brief Manages a list of active projects
+
+*//********************************************************************/
+
+#include "Audacity.h"
+#include "ActiveProjects.h"
+#include "prefs.h"
+
+#include <wx/filename.h>
+
+FilePaths ActiveProjects::GetAll()
+{
+   FilePaths files;
+
+   wxString key;
+   long ndx;
+
+   wxString configPath = gPrefs->GetPath();
+   gPrefs->SetPath(wxT("/ActiveProjects"));
+
+   bool more = gPrefs->GetFirstEntry(key, ndx);
+   while (more)
+   {
+      wxFileName path = gPrefs->Read(key, wxT(""));
+
+      files.Add(path.GetFullPath());
+
+      more = gPrefs->GetNextEntry(key, ndx);
+   }
+   gPrefs->SetPath(configPath);
+
+   return files;
+}
+
+void ActiveProjects::Add(const FilePath &path)
+{
+   wxString key = Find(path);
+
+   if (key.empty())
+   {
+      int i = 0;
+      do
+      {
+         key.Printf(wxT("/ActiveProjects/%d"), ++i);
+      } while (gPrefs->HasEntry(key));
+
+      gPrefs->Write(key, path);
+      gPrefs->Flush();
+   }
+}
+
+void ActiveProjects::Remove(const FilePath &path)
+{
+   wxString key = Find(path);
+
+   if (!key.empty())
+   {
+      gPrefs->DeleteEntry(wxT("/ActiveProjects/" + key));
+      gPrefs->Flush();
+   }
+}
+
+wxString ActiveProjects::Find(const FilePath &path)
+{
+   bool found = false;
+
+   wxString key;
+   long ndx;
+
+   wxString configPath = gPrefs->GetPath();
+   gPrefs->SetPath(wxT("/ActiveProjects"));
+
+   bool more = gPrefs->GetFirstEntry(key, ndx);
+   while (more)
+   {
+      if (gPrefs->Read(key, wxT("")).IsSameAs(path))
+      {
+         found = true;
+         break;
+      }
+
+      more = gPrefs->GetNextEntry(key, ndx);
+   }
+
+   gPrefs->SetPath(configPath);
+
+   return found ? key : wxT("");
+}
+