private void OnFrameNavigated(object sender, NavigationEventArgs e)
{
if (e.Content == _frameContentWhenOpened)
{
CloseLoginPage();
}
else if (_facebookLoginPage == null)
{
_facebookLoginPage = e.Content as IFacebookLoginPage;
if (_facebookLoginPage != null)
{
_facebookLoginPage.AppId = AppId;
_facebookLoginPage.ExtendedPermissions = ExtendedPermissions;
_facebookLoginPage.AccessToken = AccessToken;
if (e.Uri.ToString().Contains("action=logout"))
{
_facebookLoginPage.Logout();
}
else
{
_facebookLoginPage.ShowDialog();
}
}
}
}
private void CloseLoginPage()
{
if (_frame != null)
{
_frame.Navigated -= OnFrameNavigated;
_frame.NavigationStopped -= OnFrameNavigationStoppedOrFailed;
_frame.NavigationFailed -= OnFrameNavigationStoppedOrFailed;
_frame = null;
_frameContentWhenOpened = null;
}
if (_facebookLoginPage != null)
{
AccessToken = _facebookLoginPage.AccessToken;
_facebookLoginPage = null;
}
}
private void OnFrameNavigated(object sender, NavigationEventArgs e)
{
if (e.Content == _frameContentWhenOpened) {
CloseLoginPage();
}
else if (_facebookLoginPage == null) {
_facebookLoginPage = e.Content as IFacebookLoginPage;
if (_facebookLoginPage != null) {
_facebookLoginPage.AppId = AppId;
_facebookLoginPage.ExtendedPermissions = ExtendedPermissions;
_facebookLoginPage.AccessToken = AccessToken;
if (e.Uri.ToString().Contains("action=logout")) {
_facebookLoginPage.Logout();
}
else {
_facebookLoginPage.ShowDialog();
}
}
}
}
private void CloseLoginPage()
{
if (_frame != null) {
_frame.Navigated -= OnFrameNavigated;
_frame.NavigationStopped -= OnFrameNavigationStoppedOrFailed;
_frame.NavigationFailed -= OnFrameNavigationStoppedOrFailed;
_frame = null;
_frameContentWhenOpened = null;
}
if (_facebookLoginPage != null) {
AccessToken = _facebookLoginPage.AccessToken;
_facebookLoginPage = null;
}
}
