internal override void PrepareUninstall(IProgressMonitor monitor, AddinStore service)
{
iaddin = service.Registry.GetAddin(info.Id, true);
if (iaddin == null)
{
throw new InstallException(string.Format("The add-in '{0}' is not installed.", info.Name));
}
AddinDescription conf = iaddin.Description;
if (!File.Exists(iaddin.AddinFile))
{
monitor.ReportWarning(string.Format("The add-in '{0}' is scheduled for uninstalling, but the add-in file could not be found.", info.Name));
return;
}
// The add-in is a core application add-in. It can't be uninstalled, so it will be disabled.
if (!service.IsUserAddin(iaddin.AddinFile))
{
disablingOnUninstall = true;
return;
}
// If the add-in assemblies are loaded, or if there is any file with a write lock, delay the uninstallation
HashSet <string> files = new HashSet <string> (GetInstalledFiles(conf));
if (AddinManager.CheckAssembliesLoaded(files) || files.Any(f => HasWriteLock(f)))
{
uninstallingLoaded = true;
return;
}
if (!service.HasWriteAccess(iaddin.AddinFile))
{
throw new InstallException(AddinStore.GetUninstallErrorNoRoot(info));
}
foreach (string path in GetInstalledFiles(conf))
{
if (!service.HasWriteAccess(path))
{
throw new InstallException(AddinStore.GetUninstallErrorNoRoot(info));
}
}
tempFolder = CreateTempFolder();
CopyAddinFiles(monitor, conf, iaddin.AddinFile, tempFolder);
}