private void btnLogin_Click(object sender, EventArgs e)
{
FacebookSettings fbSettings = new FacebookSettings {
ApplicationKey = txtApiKey.Text
};
FacebookLoginForm fbLoginDlg = new FacebookLoginForm(fbSettings);
FacebookAuthenticationResult fbAuthResult;
if (fbLoginDlg.ShowDialog() == DialogResult.OK)
{
MessageBox.Show("You are logged in.");
fbAuthResult = fbLoginDlg.FacebookAuthenticationResult;
txtAccessToken.Text = fbAuthResult.AccessToken;
txtExpiresIn.Text = fbAuthResult.ExpiresIn.ToString();
btnGetMyInfo.Enabled = true;
}
else
{
MessageBox.Show("You must login inorder to access Facebook features.");
if (fbLoginDlg.FacebookAuthenticationResult != null)
{ // it can be null if the user just cancelled.
fbAuthResult = fbLoginDlg.FacebookAuthenticationResult;
MessageBox.Show(fbAuthResult.ErrorReasonText);
}
}
}
private void loginButton_Click(object sender, EventArgs e)
{
var loginPopup = new FacebookLoginForm(Constants.LoginUrl);
loginPopup.Authorized += async(_, args) =>
{
loginPopup.Close();
var client = new TwainCloudClient(Constants.ApiRoot, args.Tokens);
_applicationManager = new ApplicationManager(client);
await LoadScanners();
};
loginPopup.ShowDialog();
}
/// <summary>
/// Take us through the signin process...
/// </summary>
/// <param name="a_szApiRoot">our cloud url</param>
/// <param name="a_szSigninUrl">our signin url</param>
/// <returns></returns>
public TwainLocalScannerClient Signin(string a_szApiRoot, string a_szSigninUrl)
{
// Cleanup...
m_twaincloudclient = null;
m_twaincloudtokens = null;
if (m_twainlocalscannerclient != null)
{
m_twainlocalscannerclient.Dispose();
m_twainlocalscannerclient = null;
}
// Remember stuff...
m_szApiRoot = a_szApiRoot;
m_szSigninUrl = a_szSigninUrl;
// Signin...
AutoResetEvent autoresetevent = new AutoResetEvent(false);
Invoke(new MethodInvoker(delegate {
FacebookLoginForm facebookloginform = new FacebookLoginForm(m_szSigninUrl);
facebookloginform.Authorized += async(_, args) =>
{
// Form goes bye-bye...
facebookloginform.Close();
// Squirrel this away...
m_twaincloudtokens = args.Tokens;
// Put the authorization bearer token where we can get it...
m_twainlocalscannerclient = new TwainLocalScannerClient(EventCallback, this, false);
m_twaincloudclient = new TwainCloudClient(m_szApiRoot, m_twaincloudtokens);
await m_twainlocalscannerclient.ConnectToCloud(m_twaincloudclient);
m_twainlocalscannerclient.m_dictionaryExtraHeaders.Add("Authorization", m_twaincloudtokens.AuthorizationToken);
autoresetevent.Set();
};
}));
autoresetevent.WaitOne();
// All done...
return(m_twainlocalscannerclient);
}
