fr.aliasource.webmail.client.LoadSettingsCallback.java Source code

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Here is the source code for fr.aliasource.webmail.client.LoadSettingsCallback.java

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: GPL 2.0
 *
 * The contents of this file are subject to the GNU General Public
 * License Version 2 or later (the "GPL").
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Initial Developer of the Original Code is
 *   MiniG.org project members
 *
 * ***** END LICENSE BLOCK ***** */

package fr.aliasource.webmail.client;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.LocaleInfo;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

import fr.aliasource.webmail.client.ctrl.AjaxCall;
import fr.aliasource.webmail.client.ctrl.WebmailController;
import fr.aliasource.webmail.client.login.LoginUI;
import fr.aliasource.webmail.client.rpc.GetSettings;

/**
 * Callback used for application startup
 * 
 * @author tom
 * 
 */
public class LoadSettingsCallback implements AsyncCallback<HashMap<String, String>> {

    private static Set<String> supportedLocales;

    static {
        supportedLocales = new HashSet<String>();
        supportedLocales.add("fr");
        supportedLocales.add("en");
    }

    private static boolean langRedirectDone = false;

    private RootPanel rp;
    private SplashScreen ss;

    public LoadSettingsCallback(SplashScreen ss, RootPanel rp) {
        this.ss = ss;
        this.rp = rp;
    }

    private String s(Map<String, String> allSettings, String settingKey) {
        return allSettings.get(settingKey);
    }

    private boolean booleanSetting(Map<String, String> allSettings, String settingKey) {
        return "true".equals(s(allSettings, settingKey));
    }

    public void onFailure(Throwable caught) {
        rp.clear();
        VerticalPanel vp = new VerticalPanel();
        vp.add(new Label("Error getting settings"));
        vp.add(new HTML(caught.getMessage()));
        rp.add(vp);
    }

    public void onSuccess(HashMap<String, String> m) {
        if (booleanSetting(m, GetSettings.AJAX_LOGIN)) {
            showAjaxLogin(m);
        } else {
            showWebmail(m);
        }
    }

    private void doLangRedirect(HashMap<String, String> m) {
        if (langRedirectDone) {
            return;
        }

        String lang = m.get(GetSettings.LANGUAGE);
        if (lang == null || !supportedLocales.contains(lang)) {
            lang = "en";
        }
        String locale = LocaleInfo.getCurrentLocale().getLocaleName();
        if (locale.equals("default") || !supportedLocales.contains(locale)) {
            locale = "en";
        }
        if (!locale.equals(lang)) {
            GWT.log("will try to open: " + getHostPageLocation() + "?locale=" + lang, null);
            Window.open(getHostPageLocation() + "?locale=" + lang, "_self", "");
        }
        langRedirectDone = true;
    }

    private AsyncCallback<HashMap<String, String>> getAllSettingsCB(final HashMap<String, String> m) {
        AsyncCallback<HashMap<String, String>> ac = new AsyncCallback<HashMap<String, String>>() {
            public void onFailure(Throwable caught) {
            }

            public void onSuccess(HashMap<String, String> newSettings) {
                m.putAll(newSettings);
                doLangRedirect(m);
                displayMiniG(m);
            }
        };
        return ac;
    }

    private void showWebmail(final HashMap<String, String> m) {
        ss.setPercent(75);
        if (!m.containsKey(GetSettings.SERVER_SETTINGS_LOADED)) {
            AjaxCall.settings.getAllSettings(getAllSettingsCB(m));
        } else {
            doLangRedirect(m);
            displayMiniG(m);
        }
    }

    private void displayMiniG(HashMap<String, String> settings) {
        WebmailController.get().start(rp, settings);
    }

    private void showAjaxLogin(HashMap<String, String> m) {
        doLangRedirect(m);

        rp.clear();
        LoginUI loginUi = new LoginUI(rp, getAllSettingsCB(m), m);
        rp.add(loginUi);
    }

    private static native String getHostPageLocation()
    /*-{
       var s = $doc.location.href;
        
       // Pull off any hash.
       var i = s.indexOf('#');
       if (i != -1)
    s = s.substring(0, i);
        
       // Pull off any query string.
       i = s.indexOf('?');
       if (i != -1)
    s = s.substring(0, i);
        
       // Ensure a final slash if non-empty.
       return s;
    }-*/;

}