/// <summary>
/// Installs application using specified installation options.
/// </summary>
/// <param name="application">SteamApplication object.</param>
/// <param name="installOptions">InstallOptions object.</param>
/// <param name="filesSize">Size of files for installation. Method calculate this size if parameter equals to -1.</param>
/// <param name="worker">BackgroundWorker object.</param>
/// <returns>Size of installed files.</returns>
private Int64 InstallApplication(SteamApplication application, InstallOptions installOptions, Int64 filesSize, BackgroundWorker worker)
{
Int64 copiedFilesSize = 0L;
if (installOptions.FilesType != SteamDepotFileTypes.None)
{
SteamDepotFile[] files = application.GetFiles(installOptions);
if (files != null)
{
DirectoryInfo destDirectory = new DirectoryInfo(installOptions.InstallPath);
if (filesSize == -1L)
filesSize = application.GetFilesSize(application, installOptions);
foreach (SteamDepotFile file in files)
{
if (worker.CancellationPending)
break;
copiedFilesSize += SgiUtils.CopyFile(file, Path.Combine(destDirectory.FullName, file.RelativeName),
filesSize, copiedFilesSize, worker);
}
}
}
if (filesSize == 0L)
worker.ReportProgress(100);
return copiedFilesSize;
}
/// <summary>
/// Returns size of application files in bytes for specified installation options.
/// </summary>
/// <param name="application">SteamApplication object.</param>
/// <param name="installOptions">Installation options.</param>
/// <returns>Size of application files in bytes for specified installation options.</returns>
private Int64 GetFilesSize(SteamApplication application, InstallOptions installOptions)
{
Int64 size = 0L;
if (installOptions.FilesType != SteamDepotFileTypes.None)
{
SteamDepotFile[] files = application.GetFiles(installOptions);
if (files != null)
{
foreach (SteamDepotFile file in files)
size += new FileInfo(file.FullName).Length;
}
}
return size;
}