/* Copyright (c) 2011 Zhihua (Dennis) Jiang
*
* author: Daniel Tizón
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.gwtmobile.phonegap.kitchensink.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
import com.gwtmobile.phonegap.client.plugins.Facebook;
import com.gwtmobile.phonegap.client.plugins.Facebook.Callback;
import com.gwtmobile.phonegap.client.plugins.Facebook.Params;
import com.gwtmobile.phonegap.client.plugins.Facebook.Response;
import com.gwtmobile.phonegap.client.plugins.Facebook.Session;
import com.gwtmobile.ui.client.event.SelectionChangedEvent;
import com.gwtmobile.ui.client.page.Page;
public class FacebookUi extends Page {
private static boolean initialized = false;
@UiField
HTML text;
private static FacebookUiUiBinder uiBinder = GWT
.create(FacebookUiUiBinder.class);
interface FacebookUiUiBinder extends UiBinder<Widget, FacebookUi> {
}
public FacebookUi() {
initWidget(uiBinder.createAndBindUi(this));
}
@UiHandler("list")
void onListSelectionChanged(SelectionChangedEvent e) {
switch (e.getSelection()) {
case 0:
init();
break;
case 1:
login();
break;
case 2:
getLoginStatus();
break;
case 3:
post();
break;
case 4:
logout();
break;
}
}
private void init() {
if (!initialized) {
Facebook.init("240209569368100");
initialized = true;
text.setHTML("Facebook plugin initialized.");
}
else {
text.setHTML("Already initialized.");
}
}
public void login() {
if (!initialized) {
text.setHTML("Facebook plugin not initialized.");
return;
}
Facebook.login(new Callback() {
@Override
public void onSuccess(Response response) {
text.setHTML("Response from login:<br/>" +
"Status:" + response.getStatus() + "<br/>" +
((response.getSession() == null) ? "" :
("AccessToken:" + response.getSession().getAccessToken() + "<br/>" +
"ExpiresIn:" + response.getSession().getExpiresIn() + "<br/>" +
"SignedRequest:" + response.getSession().getSignedRequest() + "<br/>" +
"UserID:" + response.getSession().getUserID())));
}
}, "user_about_me,publish_stream,email");
}
private void getLoginStatus() {
if (!initialized) {
text.setHTML("Facebook plugin not initialized.");
return;
}
Facebook.getLoginStatus(new Callback() {
@Override
public void onSuccess(Response response) {
text.setHTML("Response from getLoginStatus:<br/>" +
"Status:" + response.getStatus() + "<br/>" +
((response.getSession() == null) ? "" :
("AccessToken:" + response.getSession().getAccessToken() + "<br/>" +
"ExpiresIn:" + response.getSession().getExpiresIn() + "<br/>" +
"SignedRequest:" + response.getSession().getSignedRequest() + "<br/>" +
"UserID:" + response.getSession().getUserID())));
}
});
}
private void post() {
if (!initialized) {
text.setHTML("Facebook plugin not initialized.");
return;
}
Facebook.getLoginStatus(new Callback() {
@Override
public void onSuccess(Response response) {
Session session = response.getSession();
if (session == null) {
text.setHTML("Need to login to Facebook first.");
return;
}
String path = session.getUserID() + "/feed";
Params params = Params.createParams();
final String message = "I am checking out the GWT Mobile PhoneGap app!";
params.set("message", message);
Facebook.api(path, "post", params, new Callback() {
@Override
public void onSuccess(Response response) {
if (response.get("id") != null) {
text.setHTML("Message \"" + message + "\" has been posted to your facebook wall.<br/>"
+ "id:" + response.get("id"));
}
else {
text.setHTML(new JSONObject(response).toString());
}
}
});
}
});
}
private void logout() {
if (!initialized) {
text.setHTML("Facebook plugin not initialized.");
return;
}
Facebook.logout(new Callback() {
@Override
public void onSuccess(Response response) {
text.setHTML("Response from logout:<br/>" +
"Status:" + response.getStatus() + "<br/>" +
((response.getSession() == null) ? "" :
("AccessToken:" + response.getSession().getAccessToken() + "<br/>" +
"ExpiresIn:" + response.getSession().getExpiresIn() + "<br/>" +
"SignedRequest:" + response.getSession().getSignedRequest() + "<br/>" +
"UserID:" + response.getSession().getUserID())));
}
});
}
}