gov.wa.wsdot.mobile.client.activities.socialmedia.twitter.TwitterActivity.java Source code

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Here is the source code for gov.wa.wsdot.mobile.client.activities.socialmedia.twitter.TwitterActivity.java

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/*
 * 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.twitter;

import com.google.gwt.core.client.JsArray;
import com.google.gwt.jsonp.client.JsonpRequestBuilder;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
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.css.AppBundle;
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.TwitterFeed;
import gov.wa.wsdot.mobile.shared.TwitterFeed.Media;
import gov.wa.wsdot.mobile.shared.TwitterFeed.Urls;
import gov.wa.wsdot.mobile.shared.TwitterItem;

import java.util.ArrayList;
import java.util.HashMap;

public class TwitterActivity extends MGWTAbstractActivity implements TwitterView.Presenter {

    private final ClientFactory clientFactory;
    private TwitterView view;
    private EventBus eventBus;
    private PhoneGap phoneGap;
    private Analytics analytics;
    private InAppBrowser inAppBrowser;
    private Accessibility accessibility;
    private static ArrayList<TwitterItem> twitterItems = new ArrayList<TwitterItem>();
    private static HashMap<String, String> twitterProfileImages = new HashMap<String, String>();
    private static HashMap<String, String> twitterScreenNames = new HashMap<String, String>();
    private static final String TWITTER_FEED_URL = "http://www.wsdot.wa.gov/news/socialroom/posts/twitter";

    public TwitterActivity(ClientFactory clientFactory) {
        this.clientFactory = clientFactory;
    }

    @Override
    public void start(AcceptsOneWidget panel, final EventBus eventBus) {
        view = clientFactory.getTwitterView();
        accessibility = clientFactory.getAccessibility();
        this.eventBus = eventBus;
        phoneGap = clientFactory.getPhoneGap();
        analytics = clientFactory.getAnalytics();
        inAppBrowser = this.phoneGap.getInAppBrowser();

        view.setPresenter(this);
        view.getPullHeader().setHTML("pull down");

        twitterScreenNames.put("All Accounts", "all");
        twitterScreenNames.put("Bertha", "BerthaDigsSR99");
        twitterScreenNames.put("Ferries", "wsferries");
        twitterScreenNames.put("Good To Go!", "GoodToGoWSDOT");
        twitterScreenNames.put("Snoqualmie Pass", "SnoqualmiePass");
        twitterScreenNames.put("WSDOT", "wsdot");
        twitterScreenNames.put("WSDOT 520", "wsdot_520");
        twitterScreenNames.put("WSDOT East", "WSDOT_East");
        twitterScreenNames.put("WSDOT Southwest", "wsdot_sw");
        twitterScreenNames.put("WSDOT Tacoma", "wsdot_tacoma");
        twitterScreenNames.put("WSDOT Traffic", "wsdot_traffic");
        twitterScreenNames.put("WSDOT Jobs", "WSDOTjobs");

        twitterProfileImages.put("wsferries", AppBundle.INSTANCE.css().wsdotFerriesIcon());
        twitterProfileImages.put("GoodToGoWSDOT", AppBundle.INSTANCE.css().wsdotGoodToGoIcon());
        twitterProfileImages.put("SnoqualmiePass", AppBundle.INSTANCE.css().wsdotSnoqualmiePassIcon());
        twitterProfileImages.put("wsdot", AppBundle.INSTANCE.css().wsdotIcon());
        twitterProfileImages.put("BerthaDigsSR99", AppBundle.INSTANCE.css().berthaDigsSR99Icon());
        twitterProfileImages.put("wsdot_520", AppBundle.INSTANCE.css().wsdot520Icon());
        twitterProfileImages.put("WSDOT_East", AppBundle.INSTANCE.css().wsdotEastIcon());
        twitterProfileImages.put("wsdot_sw", AppBundle.INSTANCE.css().wsdotSwIcon());
        twitterProfileImages.put("wsdot_tacoma", AppBundle.INSTANCE.css().wsdotTacomaIcon());
        twitterProfileImages.put("wsdot_traffic", AppBundle.INSTANCE.css().wsdotTrafficIcon());
        twitterProfileImages.put("WSDOTjobs", AppBundle.INSTANCE.css().wsdotJobsIcon());

        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, twitterScreenNames.get(view.getAccountSelected()));
                        view.refresh();
                        callback.onSuccess(null);
                    }

                }.schedule(1);
            }

        });

        view.setHeaderPullHandler(headerHandler);
        createPostList(view, twitterScreenNames.get(view.getAccountSelected()));

        if (Consts.ANALYTICS_ENABLED) {
            analytics.trackScreen("/Social Media/Twitter");
        }

        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/Twitter/Details Link");
        }

        TwitterItem item = twitterItems.get(index);

        inAppBrowser.open("https://twitter.com/" + item.getScreenName() + "/status/" + item.getId(), "_blank",
                "enableViewportScale=yes,transitionstyle=fliphorizontal");
    }

    @Override
    public void onAccountSelected(String screenName) {
        createPostList(view, twitterScreenNames.get(screenName));
    }

    @Override
    public void onBackButtonPressed() {
        ActionEvent.fire(eventBus, ActionNames.BACK);
    }

    private void createPostList(final TwitterView view, String screenName) {
        String url;

        if (screenName.equals("all")) {
            url = TWITTER_FEED_URL;
        } else {
            url = TWITTER_FEED_URL + "/" + screenName;
        }

        twitterItems.clear();
        view.showProgressIndicator();
        JsonpRequestBuilder jsonp = new JsonpRequestBuilder();
        // Set timeout for 30 seconds (30000 milliseconds)
        jsonp.setTimeout(30000);
        jsonp.requestObject(url, new AsyncCallback<TwitterFeed>() {

            @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(TwitterFeed result) {
                TwitterItem item = null;
                //String urlPattern = "(https?:\\/\\/[-a-zA-Z0-9._~:\\/?#@!$&\'()*+,;=%]+)";
                //String atPattern = "@+([_a-zA-Z0-9-]+)";
                //String hashPattern = "#+([_a-zA-Z0-9-]+)";
                String text;
                //String htmlText;

                if (result.getPosts() != null) {
                    int numEntries = result.getPosts().length();
                    for (int i = 0; i < numEntries; i++) {
                        item = new TwitterItem();

                        //htmlText = "";
                        text = result.getPosts().get(i).getText();
                        //htmlText = text.replaceAll(urlPattern, "<a href=\"$1\">$1</a>");
                        //htmlText = htmlText.replaceAll(atPattern, "<a href=\"http://twitter.com/#!/$1\">@$1</a>");
                        //htmlText = htmlText.replaceAll(hashPattern, "<a href=\"http://twitter.com/#!/search?q=%23$1\">#$1</a>");

                        item.setText(text);
                        item.setId(result.getPosts().get(i).getId());
                        item.setFormatedHtmlText(text);
                        item.setScreenName(result.getPosts().get(i).getUser().getScreenName());
                        item.setCreatedAt(result.getPosts().get(i).getCreatedAt());

                        item.setUserName(result.getPosts().get(i).getUser().getName());
                        item.setProfileImage(
                                twitterProfileImages.get(result.getPosts().get(i).getUser().getScreenName()));

                        JsArray<Media> media = result.getPosts().get(i).getEntities().getMedia();
                        if (media != null) {
                            item.setMediaUrl(
                                    result.getPosts().get(i).getEntities().getMedia().get(0).getMediaUrl());
                        }

                        if (item.getMediaUrl() == null) {
                            JsArray<Urls> urls = result.getPosts().get(i).getEntities().getUrls();
                            if (urls != null) {
                                if (result.getPosts().get(i).getEntities().getUrls().get(0) != null) {
                                    String expandedUrl = result.getPosts().get(i).getEntities().getUrls().get(0)
                                            .getExpandedUrl();
                                    if (expandedUrl.matches("(.*)twitpic.com(.*)")) {
                                        item.setMediaUrl(expandedUrl);
                                    }
                                }
                            }
                        }

                        if (item.getMediaUrl() == null) {
                            item.setMediaUrl("");
                        }

                        twitterItems.add(item);
                    }

                    view.hideProgressIndicator();
                    view.render(twitterItems);
                    view.refresh();
                    accessibility.postScreenChangeNotification();
                }

            }
        });

    }

    private static SafeHtml makeImage(ImageResource resource) {
        AbstractImagePrototype image = AbstractImagePrototype.create(resource);
        String html = image.getHTML();

        return SafeHtmlUtils.fromTrustedString(html);
    }

}