FlashWhiteboard.java

package edu.stanford.hci.r3.flash.whiteboard;

import java.awt.Color;
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import net.sf.wraplog.SystemLogger;

import edu.stanford.ejalbert.BrowserLauncher;
import edu.stanford.ejalbert.exception.BrowserLaunchingExecutionException;
import edu.stanford.ejalbert.exception.BrowserLaunchingInitializingException;
import edu.stanford.ejalbert.exception.UnsupportedOperatingSystemException;
import edu.stanford.hci.r3.PaperToolkit;
import edu.stanford.hci.r3.actions.types.OpenURL2Action;
import edu.stanford.hci.r3.flash.FlashCommunicationServer;
import edu.stanford.hci.r3.flash.FlashListener;
import edu.stanford.hci.r3.pen.Pen;
import edu.stanford.hci.r3.pen.PenSample;
import edu.stanford.hci.r3.pen.streaming.listeners.PenListener;
import edu.stanford.hci.r3.util.DebugUtils;
import edu.stanford.hci.r3.util.files.FileUtils;

public class FlashWhiteboard {

        private FlashCommunicationServer flash;

        private List<Pen> pens = new ArrayList<Pen>();

        private int port;

        private Color swatchColor;

        private String title;

        public FlashWhiteboard(int portNum) {
                port = portNum;
        }

        public void load() {
                // start the local server for sending ink over to the Flash client app
                flash = new FlashCommunicationServer(port);
                flash.addFlashClientListener(new FlashListener() {
                        @Override
                        public void messageReceived(String command) {
                                if (command.equals("Flash Client Connected")) {
                                        DebugUtils.println("Connected!");
                                        flash.sendMessage("<swatchColor r='" + swatchColor.getRed() + "' g='"
                                                        + swatchColor.getGreen() + "' b='" + swatchColor.getBlue() + "'/>");
                                        flash.sendMessage("<title value='" + title + "'/>");
                                } else {
                                        DebugUtils.println("Unhandled command: " + command);
                                }
                        }

                });

                File r3RootPath = PaperToolkit.getToolkitRootPath();
                File whiteBoardHTML = new File(r3RootPath, "flash/bin/Whiteboard.html");
                String fileStr = FileUtils.readFileIntoStringBuffer(whiteBoardHTML, true).toString();
                fileStr = fileStr.replace("PORT_NUM", port + "");
                whiteBoardHTML = new File(r3RootPath, "flash/bin/Whiteboard_" + port + ".html");
                FileUtils.writeStringToFile(fileStr, whiteBoardHTML);
                URI uri = whiteBoardHTML.toURI();
                try {
                        DebugUtils.println("Loading the Flash GUI...");
                        Desktop.getDesktop().browse(uri);
                } catch (IOException e) {
                        e.printStackTrace();
                }
        }

        public void addPen(Pen pen) {
                pens.add(pen);
                pen.startLiveMode();
                pen.addLivePenListener(new PenListener() {

                        @Override
                        public void penDown(PenSample sample) {
                                flash.sendMessage("<penDownEvent/>");
                                flash.sendMessage(sample.toXMLString());
                        }

                        @Override
                        public void penUp(PenSample sample) {
                                flash.sendMessage(sample.toXMLString());
                        }

                        @Override
                        public void sample(PenSample sample) {
                                flash.sendMessage(sample.toXMLString());
                        }

                });
        }

        public void setSwatchColor(Color color) {
                swatchColor = color;
        }

        public void setTitle(String titleStr) {
                title = titleStr;
        }
}

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