/*
* Check to see if we're on Win7 and up, and if so, returns the default
* save-to location for the Windows Library passed in through aFolderId.
* Otherwise falls back on pre-win7 GetWindowsFolder.
*/
static nsresult
GetLibrarySaveToPath(int aFallbackFolderId, REFKNOWNFOLDERID aFolderId,
nsIFile** aFile)
{
// Skip off checking for library support if the os is Vista or lower.
if (!IsWin7OrLater()) {
return GetWindowsFolder(aFallbackFolderId, aFile);
}
nsRefPtr<IShellLibrary> shellLib;
nsRefPtr<IShellItem> savePath;
HRESULT hr =
SHLoadLibraryFromKnownFolder(aFolderId, STGM_READ,
IID_IShellLibrary, getter_AddRefs(shellLib));
if (shellLib &&
SUCCEEDED(shellLib->GetDefaultSaveFolder(DSFT_DETECT, IID_IShellItem,
getter_AddRefs(savePath)))) {
wchar_t* str = nullptr;
if (SUCCEEDED(savePath->GetDisplayName(SIGDN_FILESYSPATH, &str))) {
nsAutoString path;
path.Assign(str);
path.Append('\\');
nsresult rv =
NS_NewLocalFile(path, false, aFile);
CoTaskMemFree(str);
return rv;
}
}
return GetWindowsFolder(aFallbackFolderId, aFile);
}
