public void ShowCaptchaRequest(VKCaptchaUserRequest captchaUserRequest, Action<VKCaptchaUserResponse> callback)
{
Visibility = Visibility.Visible;
textBoxCaptcha.Text = string.Empty;
imageCaptcha.Source = new BitmapImage(new Uri(captchaUserRequest.Url));
_captchaUserRequest = captchaUserRequest;
_callback = callback;
}
public void ShowCaptchaRequest(VKCaptchaUserRequest captchaUserRequest, Action<VKCaptchaUserResponse> callback)
{
textBoxCaptcha.Text = string.Empty;
imageCaptcha.Source = new BitmapImage(new Uri(captchaUserRequest.Url));
_captchaUserRequest = captchaUserRequest;
_callback = callback;
ShowInPopup(Window.Current.Bounds.Width, Window.Current.Bounds.Height);
}
private void CaptchaRequest(VKCaptchaUserRequest captchaUserRequest, Action<VKCaptchaUserResponse> action)
{
this.Focus();
if (captchaRequestControl != null)
{
captchaRequestControl.ShowCaptchaRequest(captchaUserRequest, action);
}
}
private void CaptchaRequest(VKCaptchaUserRequest captchaUserRequest, Action<VKCaptchaUserResponse> action)
{
new VKCaptchaRequestUserControl().ShowCaptchaRequest(captchaUserRequest, action);
}
private void DoDispatch <T>(
Dictionary <string, string> parametersDict,
Action <VKBackendResult <T> > callback,
Func <string, T> customDeserializationFunc = null)
{
parametersDict["v"] = VKSDK.API_VERSION;
var accessToken = VKSDK.GetAccessToken();
if (accessToken != null)
{
parametersDict["access_token"] = accessToken.AccessToken;
}
var dispatchUri = string.Format(REQUEST_BASE_URI_FRM, _parameters.MethodName);
VKHttpRequestHelper.DispatchHTTPRequest(
dispatchUri,
parametersDict,
(httpResult) =>
{
if (httpResult.IsSucceeded)
{
var backendResult = GetBackendResultFromString <T>(httpResult.Data, customDeserializationFunc);
if (backendResult.ResultCode == VKResultCode.CaptchaRequired)
{
var captchaRequest = new VKCaptchaUserRequest
{
CaptchaSid = backendResult.Error.captcha_sid,
Url = backendResult.Error.captcha_img
};
VKSDK.InvokeCaptchaRequest(captchaRequest,
(captchaResponse) =>
{
if (!captchaResponse.IsCancelled)
{
var parametersWithCaptcha = new Dictionary <string, string>(parametersDict);
parametersWithCaptcha["captcha_sid"] = captchaResponse.Request.CaptchaSid;
parametersWithCaptcha["captcha_key"] = captchaResponse.EnteredString;
DoDispatch(parametersWithCaptcha,
callback,
customDeserializationFunc);
}
else
{
InvokeSafely(() => callback(new VKBackendResult <T>()
{
ResultCode = VKResultCode.CaptchaControlCancelled
}));
}
});
}
else if (backendResult.ResultCode == VKResultCode.ValidationRequired)
{
var validationRequest = new VKValidationRequest
{
ValidationUri = backendResult.Error.redirect_uri
};
VKSDK.InvokeValidationRequest(validationRequest,
(vr) =>
{
if (vr.IsSucceeded)
{
DoDispatch(parametersDict, callback, customDeserializationFunc);
}
else
{
InvokeSafely(() => callback(new VKBackendResult <T> {
ResultCode = VKResultCode.ValidationCanceslledOrFailed
}));
}
});
}
else
{
InvokeSafely(() => callback(backendResult));
}
}
else
{
var backendResult = new VKBackendResult <T> {
ResultCode = VKResultCode.CommunicationFailed
};
InvokeSafely(() => callback(backendResult));
}
});
}
internal static void InvokeCaptchaRequest(VKCaptchaUserRequest request, Action<VKCaptchaUserResponse> callback)
{
if (CaptchaRequest == null)
{
// no handlers are registered
callback(
new VKCaptchaUserResponse()
{
Request = request,
EnteredString = string.Empty,
IsCancelled = true
});
}
else
{
VKExecute.ExecuteOnUIThread(() =>
{
CaptchaRequest(request,
callback);
});
}
}
