/*
* Copyright (c) 2016 Washington State Department of Transportation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
package gov.wa.wsdot.mobile.client.activities.socialmedia.news;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.jsonp.client.JsonpRequestBuilder;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.web.bindery.event.shared.EventBus;
import com.googlecode.gwtphonegap.client.PhoneGap;
import com.googlecode.gwtphonegap.client.inappbrowser.InAppBrowser;
import com.googlecode.gwtphonegap.client.notification.AlertCallback;
import com.googlecode.mgwt.mvp.client.MGWTAbstractActivity;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullArrowStandardHandler;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullArrowStandardHandler.PullActionHandler;
import gov.wa.wsdot.mobile.client.ClientFactory;
import gov.wa.wsdot.mobile.client.event.ActionEvent;
import gov.wa.wsdot.mobile.client.event.ActionNames;
import gov.wa.wsdot.mobile.client.plugins.accessibility.Accessibility;
import gov.wa.wsdot.mobile.client.plugins.analytics.Analytics;
import gov.wa.wsdot.mobile.client.util.Consts;
import gov.wa.wsdot.mobile.shared.NewsFeed;
import gov.wa.wsdot.mobile.shared.NewsItem;
import java.util.ArrayList;
import java.util.Date;
public class NewsActivity extends MGWTAbstractActivity implements
NewsView.Presenter {
private final ClientFactory clientFactory;
private NewsView view;
private EventBus eventBus;
private PhoneGap phoneGap;
private Analytics analytics;
private Accessibility accessibility;
private InAppBrowser inAppBrowser;
private static ArrayList<NewsItem> newsItems = new ArrayList<NewsItem>();
private static final String NEWS_FEED_URL = "http://www.wsdot.wa.gov/news/socialroom/posts/News";
private static DateTimeFormat parseDateFormat = DateTimeFormat.getFormat("EEE, d MMM yyyy HH:mm:ss z");
private static DateTimeFormat displayDateFormat = DateTimeFormat.getFormat("MMMM d, yyyy h:mm a");
public NewsActivity(ClientFactory clientFactory) {
this.clientFactory = clientFactory;
}
@Override
public void start(AcceptsOneWidget panel, final EventBus eventBus) {
view = clientFactory.getNewsView();
accessibility = clientFactory.getAccessibility();
this.eventBus = eventBus;
phoneGap = clientFactory.getPhoneGap();
analytics = clientFactory.getAnalytics();
inAppBrowser = phoneGap.getInAppBrowser();
view.setPresenter(this);
view.getPullHeader().setHTML("pull down");
PullArrowStandardHandler headerHandler = new PullArrowStandardHandler(
view.getPullHeader(), view.getPullPanel());
headerHandler.setErrorText("Error");
headerHandler.setLoadingText("Loading");
headerHandler.setNormalText("pull down");
headerHandler.setPulledText("release to load");
headerHandler.setPullActionHandler(new PullActionHandler() {
@Override
public void onPullAction(final AsyncCallback<Void> callback) {
new Timer() {
@Override
public void run() {
createPostList(view);
view.refresh();
callback.onSuccess(null);
}
}.schedule(1);
}
});
view.setHeaderPullHandler(headerHandler);
createPostList(view);
if (Consts.ANALYTICS_ENABLED) {
analytics.trackScreen("/Social Media/News");
}
panel.setWidget(view);
accessibility.postScreenChangeNotification();
}
@Override
public void onStop() {
view.setPresenter(null);
}
@Override
public void onItemSelected(int index) {
if (Consts.ANALYTICS_ENABLED) {
analytics.trackScreen("/Social Media/News/Details Link");
}
NewsItem item = newsItems.get(index);
inAppBrowser.open(item.getLink(), "_blank",
"enableViewportScale=yes,transitionstyle=fliphorizontal");
}
@Override
public void onBackButtonPressed() {
ActionEvent.fire(eventBus, ActionNames.BACK);
}
private void createPostList(final NewsView view) {
newsItems.clear();
view.showProgressIndicator();
JsonpRequestBuilder jsonp = new JsonpRequestBuilder();
// Set timeout for 30 seconds (30000 milliseconds)
jsonp.setTimeout(30000);
jsonp.requestObject(NEWS_FEED_URL, new AsyncCallback<NewsFeed>() {
@Override
public void onFailure(Throwable caught) {
view.hideProgressIndicator();
phoneGap.getNotification()
.alert("Can't load data. Check your connection.",
new AlertCallback() {
@Override
public void onOkButtonClicked() {
// TODO Auto-generated method stub
}
}, "Connection Error");
}
@Override
public void onSuccess(NewsFeed result) {
NewsItem item = null;
if (result.getNews() != null) {
int numEntries = result.getNews().getItems().length();
for (int i = 0; i < numEntries; i++) {
item = new NewsItem();
item.setTitle(result.getNews().getItems().get(i).getTitle());
item.setDescription(result.getNews().getItems().get(i).getDescription());
item.setLink(result.getNews().getItems().get(i).getLink());
Date date = parseDateFormat.parse(result.getNews()
.getItems().get(i).getPubDate());
item.setPubDate(displayDateFormat.format(date));
newsItems.add(item);
}
view.hideProgressIndicator();
view.render(newsItems);
view.refresh();
accessibility.postScreenChangeNotification();
}
}
});
}
}