com.dimdim.conference.ui.common.client.util.RunningClockWidget.java Source code

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Here is the source code for com.dimdim.conference.ui.common.client.util.RunningClockWidget.java

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/*
 **************************************************************************
 *                                                                        *
 *               DDDDD   iii             DDDDD   iii                      *
 *               DD  DD      mm mm mmmm  DD  DD      mm mm mmmm           *
 *               DD   DD iii mmm  mm  mm DD   DD iii mmm  mm  mm          *
 *               DD   DD iii mmm  mm  mm DD   DD iii mmm  mm  mm          *
 *               DDDDDD  iii mmm  mm  mm DDDDDD  iii mmm  mm  mm          *
 *                                                                        *
 **************************************************************************
 **************************************************************************
 *                                                                        *
 * Part of the DimDim V 1.0 Codebase (http://www.dimdim.com)             *
 *                                                                        *
 * Copyright (c) 2006 Communiva Inc. All Rights Reserved.                 *
 *                                                                        *
 *                                                                        *
 * This code is licensed under the DimDim License                         *
 * For details please visit http://www.dimdim.com/license                 *
 *                                                                        *
 **************************************************************************
 */

package com.dimdim.conference.ui.common.client.util;

import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.dimdim.conference.ui.model.client.ConferenceGlobals;

/**
 * This widget requires the page to provide elapsed_time_millis variable which
 * must give the time so far passed in the meeting. This will enable all the
 * attendees to see the same elapsed time.
 */
public class RunningClockWidget extends Composite {
    private long startTime = System.currentTimeMillis();
    private int sec = 0;
    private int min = 0;
    private int hr = 0;
    private Timer timer;
    private HTML confTime;

    public RunningClockWidget() {
        this.confTime = new HTML();
        this.confTime.setStyleName("running-clock");
        this.confTime.setWordWrap(false);
        initWidget(this.confTime);
        try {
            String s = getElapsedTimeSoFar();
            int l = (new Integer(s)).intValue();
            this.startTime -= l;
        } catch (Exception e) {

        }
        this.startConfClock();
    }

    private void setTime() {
        long totalSec = (System.currentTimeMillis() - this.startTime) / 1000;
        this.sec = (int) (totalSec % 60);
        int totalMin = (int) (totalSec / 60);
        this.min = totalMin % 60;
        this.hr = totalMin / 60;

        String str = "<b>" + printInt(this.hr) + " : " + printInt(this.min) + " : " + printInt(this.sec) + "</b>";
        this.confTime.setHTML(str);
    }

    private String printInt(int i) {
        String s = Integer.toString(i);
        if (s.length() == 1) {
            return "0" + s;
        } else {
            return s;
        }
    }

    public void startConfClock() {
        timer = new Timer() {
            public void run() {
                setTime();
            }
        };
        timer.scheduleRepeating(1000);
    }

    private String getElapsedTimeSoFar() {
        return ConferenceGlobals.userInfoDictionary.getStringValue("elapsed_time_millis");
    }
}