HRESULT SystemProperties::loadSettings(const settings::SystemProperties &data)
{
    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);

    HRESULT rc = S_OK;

    rc = setDefaultMachineFolder(data.strDefaultMachineFolder);
    if (FAILED(rc)) return rc;

    rc = setDefaultHardDiskFormat(data.strDefaultHardDiskFormat);
    if (FAILED(rc)) return rc;

    rc = setVRDEAuthLibrary(data.strVRDEAuthLibrary);
    if (FAILED(rc)) return rc;

    rc = setWebServiceAuthLibrary(data.strWebServiceAuthLibrary);
    if (FAILED(rc)) return rc;

    rc = setDefaultVRDEExtPack(data.strDefaultVRDEExtPack);
    if (FAILED(rc)) return rc;

    m->ulLogHistoryCount = data.ulLogHistoryCount;

    rc = setAutostartDatabasePath(data.strAutostartDatabasePath);
    if (FAILED(rc)) return rc;

    return S_OK;
}
HRESULT SystemProperties::loadSettings(const settings::SystemProperties &data)
{
    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);

    HRESULT rc = S_OK;

    rc = setDefaultMachineFolder(data.strDefaultMachineFolder);
    if (FAILED(rc)) return rc;

    rc = setLoggingLevel(data.strLoggingLevel);
    if (FAILED(rc)) return rc;

    rc = setDefaultHardDiskFormat(data.strDefaultHardDiskFormat);
    if (FAILED(rc)) return rc;

    rc = setVRDEAuthLibrary(data.strVRDEAuthLibrary);
    if (FAILED(rc)) return rc;

    rc = setWebServiceAuthLibrary(data.strWebServiceAuthLibrary);
    if (FAILED(rc)) return rc;

    rc = setDefaultVRDEExtPack(data.strDefaultVRDEExtPack);
    if (FAILED(rc)) return rc;

    m->ulLogHistoryCount = data.ulLogHistoryCount;
    m->fExclusiveHwVirt  = data.fExclusiveHwVirt;

    rc = setAutostartDatabasePath(data.strAutostartDatabasePath);
    if (FAILED(rc)) return rc;

    {
        /* must ignore errors signalled here, because the guest additions
         * file may not exist, and in this case keep the empty string */
        ErrorInfoKeeper eik;
        (void)setDefaultAdditionsISO(data.strDefaultAdditionsISO);
    }

    rc = setDefaultFrontend(data.strDefaultFrontend);
    if (FAILED(rc)) return rc;

    return S_OK;
}
STDMETHODIMP SystemProperties::COMSETTER(AutostartDatabasePath)(IN_BSTR aAutostartDbPath)
{
    AutoCaller autoCaller(this);
    if (FAILED(autoCaller.rc())) return autoCaller.rc();

    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
    HRESULT rc = setAutostartDatabasePath(aAutostartDbPath);
    alock.release();

    if (SUCCEEDED(rc))
    {
        // VirtualBox::saveSettings() needs vbox write lock
        AutoWriteLock vboxLock(mParent COMMA_LOCKVAL_SRC_POS);
        rc = mParent->saveSettings();
    }

    return rc;
}