/**
* Make a new Graph Request. View:
* https://developers.facebook.com/docs/graph-api/reference/v2.4/request
*
* @param request
* @param callback
*/
public void newGraphRequest(
GDXFacebookGraphRequest request, final GDXFacebookCallback<JsonResult> callback) {
String accessToken = null;
if (getAccessToken() != null) {
accessToken = getAccessToken().getToken();
}
if (request.isUseCurrentAccessToken() && accessToken != null) {
request.putField("access_token", accessToken);
}
Net.HttpRequest httpRequest = new Net.HttpRequest(request.getMethod());
String url = request.getUrl() + config.GRAPH_API_VERSION + "/" + request.getNode();
httpRequest.setUrl(url);
httpRequest.setContent(request.getContentAsString());
httpRequest.setTimeOut(request.getTimeout());
HttpRequestBuilder builder = new HttpRequestBuilder().newRequest();
builder.method(request.getMethod());
Gdx.net.sendHttpRequest(
httpRequest,
new Net.HttpResponseListener() {
@Override
public void handleHttpResponse(Net.HttpResponse httpResponse) {
String resultString = httpResponse.getResultAsString();
int statusCode = httpResponse.getStatus().getStatusCode();
if (statusCode == -1) {
GDXFacebookError error =
new GDXFacebookError(
"Connection time out. Consider increasing timeout value by using setTimeout()");
callback.onError(error);
} else if (statusCode >= 200 && statusCode < 300) {
callback.onSuccess(new JsonResult(resultString));
} else {
GDXFacebookError error = new GDXFacebookError("Error: " + resultString);
callback.onError(error);
}
}
@Override
public void failed(Throwable t) {
t.printStackTrace();
callback.onFail(t);
}
@Override
public void cancelled() {
callback.onCancel();
}
});
}
protected void startSilentSignIn() {
if (accessToken != null) {
Gdx.app.debug(GDXFacebookVars.LOG_TAG, "Starting silent sign in.");
GDXFacebookGraphRequest request = new GDXFacebookGraphRequest();
request.setMethod(Net.HttpMethods.POST);
request.setNode("");
request.putField(
"batch",
"[{\"method\":\"GET\", \"relative_url\":\"me\"},{\"method\":\"GET\", \"relative_url\":\"me/permissions\"}]");
request.putField("include_headers", "false");
request.useCurrentAccessToken();
newGraphRequest(
request,
new GDXFacebookCallback<JsonResult>() {
@Override
public void onSuccess(JsonResult result) {
JsonValue value = result.getJsonValue();
if (value != null && value.isArray()) {
JsonValue meValue = value.get(0);
JsonValue permissionsValue = value.get(1);
if (jsonHasCode200AndBody(meValue) && jsonHasCode200AndBody(permissionsValue)) {
JsonReader reader = new JsonReader();
JsonValue permissionBodyValue = reader.parse(permissionsValue.getString("body"));
JsonValue permissionArray = permissionBodyValue.get("data");
Array<String> grantedPermissions = new Array<String>();
for (int i = 0; i < permissionArray.size; i++) {
JsonValue permission = permissionArray.get(i);
if (permission.getString("status").equals("granted")) {
grantedPermissions.add(permission.getString("permission").toLowerCase());
}
}
if (arePermissionsGranted(grantedPermissions)) {
Gdx.app.debug(
GDXFacebookVars.LOG_TAG,
"Silent sign in successful. Current token is still valid.");
callback.onSuccess(
new SignInResult(
accessToken,
"Silent sign in successful. Current token is still valid."));
} else {
signOut();
Gdx.app.debug(
GDXFacebookVars.LOG_TAG,
"Used access_token is valid but new permissions need to be granted. Need GUI sign in.");
callback.onError(
new GDXFacebookError(
"Used access_token is valid but new permissions need to be granted. Need GUI sign in."));
startGUISignIn();
}
} else {
signOut();
Gdx.app.debug(
GDXFacebookVars.LOG_TAG, "Silent sign in error: " + value.toString());
callback.onError(new GDXFacebookError(value.toString()));
startGUISignIn();
}
} else {
callback.onError(
new GDXFacebookError(
"Unexpected error occurred while trying to sign in. Error unknown, possible timeout."));
}
}
private boolean arePermissionsGranted(Array<String> grantedPermissions) {
for (int i = 0; i < permissions.size; i++) {
if (!grantedPermissions.contains(permissions.get(i).toLowerCase(), false)) {
return false;
}
}
return true;
}
@Override
public void onError(GDXFacebookError error) {
signOut();
Gdx.app.debug(
GDXFacebookVars.LOG_TAG, "Silent sign in error: " + error.getErrorMessage());
callback.onError(error);
startGUISignIn();
}
@Override
public void onFail(Throwable t) {
signOut();
Gdx.app.debug(GDXFacebookVars.LOG_TAG, "Silent sign in failed: " + t);
callback.onFail(t);
startGUISignIn();
}
@Override
public void onCancel() {
signOut();
Gdx.app.debug(GDXFacebookVars.LOG_TAG, "Silent sign in cancelled");
callback.onCancel();
startGUISignIn();
}
});
} else {
Gdx.app.debug(GDXFacebookVars.LOG_TAG, "Silent sign in cancelled. No existing access token.");
}
};