fcanvas.java

A MMS sender written in Java

/*****************************************************************************

 Description: This if a file canvas class used to display the file system on the phone
                    
 Created By: Oscar Vivall 2005-12-14
 @file        FCanvas.java

 COPYRIGHT All rights reserved Sony Ericsson Mobile Communications AB 2004.
 The software is the copyrighted work of Sony Ericsson Mobile Communications AB.
 The use of the software is subject to the terms of the end-user license 
 agreement which accompanies or is included with the software. The software is 
 provided "as is" and Sony Ericsson specifically disclaim any warranty or 
 condition whatsoever regarding merchantability or fitness for a specific 
 purpose, title or non-infringement. No warranty of any kind is made in 
 relation to the condition, suitability, availability, accuracy, reliability, 
 merchantability and/or non-infringement of the software provided herein.

 *****************************************************************************/

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.io.*;
import java.util.*;

public class FCanvas extends Canvas implements Runnable, IFConn{

    private final int WIDTH, HEIGHT;

    private FReader fileReader = null;
    
    private Vector folder = null;
    private boolean newFolder = true;
    int numFolders = 0;
    int fileIndex = 0;
    int dispIndex = 0;
    
    private MIDlet midlet;
    private Display display;
    
    private boolean running = false;
    private final int TOP = 25;
    
    public FCanvas(MIDlet m){
        setFullScreenMode(true);
        WIDTH = getWidth();
        HEIGHT = getHeight();
        
        midlet = m;
        display = Display.getDisplay(midlet);
        
        fileReader = new FReader(this);
        start();
    }
    
    public void fileArrival(InputStream is) {
        System.out.println("fuleArrival");
        display.setCurrent(new MMSForm(is));
    }

    public void folderArrival(String name, boolean isFolder) {
        if(newFolder){
            System.out.println("new Folder arrival");
            numFolders = 0;
            fileIndex = 0;
            
            newFolder = false;
            folder = new Vector();
        }
        if(isFolder){
            numFolders++;
        }
        folder.addElement(name);
    }

    public void paint(Graphics g) {
        g.setColor(0xFFFFFF);
        g.fillRect(0, 0, WIDTH, HEIGHT);
        g.setColor(0x00);
        g.drawString("Select picture to send:", 0, 0, 0);
        g.fillRect(0, 20, WIDTH, 2);
        
        if(folder != null){
            int index=0;
            for(int i=dispIndex; i<folder.size(); i++){
                if(i==fileIndex){
                    g.fillRect(0, index*20 - 1 + TOP, WIDTH, 22);
                    g.setColor(0xFFFFFF);
                    String file = (String)folder.elementAt(i);
                    g.drawString(file, 1, index*20 + TOP, 0);
                    g.setColor(0x00);
                    index++;
                }else{
                    String file = (String)folder.elementAt(i);
                    g.drawString(file, 1, index*20 + TOP, 0);
                    index++;
                }
            }
        }
    }

    public void keyPressed(int key){
        switch(key){
            case -11:
                midlet.notifyDestroyed();
                break;
            case -3:
                System.out.println(fileReader.currentPath());
                break;
            case -1:
                fileIndex = fileIndex > 0?fileIndex-1:0;
                dispIndex = fileIndex>8?fileIndex-8:0;
                break;
            case -2:
                fileIndex = fileIndex < folder.size()-1?fileIndex+1:fileIndex;
                dispIndex = fileIndex>8?fileIndex-8:0;
                break;
            case -5:
                if(fileIndex < numFolders){
                    newFolder = true;
                    String fname = (String)folder.elementAt(fileIndex);
                    if(fileIndex==0 && fname.compareTo("../") == 0){
                        System.out.println("BACK..");
                        String path = fileReader.currentPath();
                        for(int i=path.length()-2; i>0; i--){
                            if(path.charAt(i) == '/'){
                                path = path.substring(0, i+1);
                                if(path.compareTo("file:///")==0){
                                    fileReader.getRoot();
                                }else{
                                    fileReader.getFolder(path);
                                }
                                break;
                            }
                        }
                    }else{
                        newFolder = true;
                        String name = (String) folder.elementAt(fileIndex);
                        fileReader.getFolder(fileReader.currentPath() + name);
                    }
                }else{
                    String name = (String) folder.elementAt(fileIndex);
                    fileReader.getFile(fileReader.currentPath() + name);
                }
                break;
        }
    }

    public void start(){
        running = true;
        new Thread(this).start();
    }
    public void stop(){
        System.out.println("hideNotify()");
        running = false;
    }
    
    public void showNotify(){
    }
    public void hideNotify(){
    }

    public void run() {
        newFolder = true;
        fileReader.getRoot();
        
        while(running){
            repaint();
            try{
                Thread.sleep(10);
            }catch(Exception e){
            }
        }
    }
}