/**
* Copyright (c) 2013 Nokia Corporation. All rights reserved.
* Nokia and Nokia Connecting People are registered trademarks of Nokia Corporation.
* Oracle and Java are trademarks or registered trademarks of Oracle and/or its
* affiliates. Other product and company names mentioned herein may be trademarks
* or trade names of their respective owners.
* See LICENSE.TXT for license information.
*/
package com.nokia.example.voip.view;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Vector;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.ItemCommandListener;
import javax.microedition.lcdui.StringItem;
import javax.microedition.lcdui.TextField;
import com.nokia.example.voip.ViewManager;
import com.nokia.example.voip.engine.Call;
import com.nokia.example.voip.engine.CallStateListener;
import com.nokia.example.voip.model.Contact;
import com.nokia.example.voip.view.components.Button;
import com.nokia.example.voip.view.components.ToggleButton;
public class CallView
extends Canvas
implements CallStateListener {
private static final int BACKGROUND_COLOR = 0xf4f4f4;
private static final int FOREGROUND_COLOR = 0x555555;
private static Image IMAGE_END_CALL;
private static Image IMAGE_END_CALL_PRESSED;
private static Image IMAGE_SPEAKER_ENABLED;
private static Image IMAGE_SPEAKER_DISABLED;
private static Image IMAGE_MUTE_ENABLED;
private static Image IMAGE_MUTE_DISABLED;
private static Image IMAGE_HOLD_ENABLED;
private static Image IMAGE_HOLD_DISABLED;
private static Image IMAGE_DIALER_ENABLED;
private static Image IMAGE_DIALER_DISABLED;
private Contact contact;
private Call call;
private ViewManager viewManager;
private Vector buttons;
private CallCounter callCounter;
private String callDuration = "";
private Button endCallButton;
private HoldButton holdButton;
private DialerButton dialerButton;
private MuteButton muteButton;
private SpeakerButton speakerButton;
static {
try {
IMAGE_END_CALL = Image.createImage("/end_call.png");
IMAGE_END_CALL_PRESSED = Image.createImage("/end_call_pressed.png");
IMAGE_SPEAKER_ENABLED = Image.createImage("/speaker_enabled.png");
IMAGE_SPEAKER_DISABLED = Image.createImage("/speaker_disabled.png");
IMAGE_MUTE_ENABLED = Image.createImage("/mute_enabled.png");
IMAGE_MUTE_DISABLED = Image.createImage("/mute_disabled.png");
IMAGE_HOLD_ENABLED = Image.createImage("/hold_enabled.png");
IMAGE_HOLD_DISABLED = Image.createImage("/hold_disabled.png");
IMAGE_DIALER_ENABLED = Image
.createImage("/icon_dialer_selected.png");
IMAGE_DIALER_DISABLED = Image
.createImage("/icon_dialer_unselected.png");
}
catch (IOException ex) {
ex.printStackTrace();
}
}
public CallView(ViewManager viewManager, Contact contact, Call call) {
this.viewManager = viewManager;
this.contact = contact;
this.call = call;
setTitle("VoIP call");
setCommandListener(new CallViewCommandListener());
call.setCallStateListener(this);
callCounter = new CallCounter(this, call);
buttons = new Vector();
endCallButton = new EndCallButton();
addButton(
endCallButton,
getWidth() / 2 - endCallButton.getWidth() / 2,
100);
endCallButton.setVisible(true);
int w = (getWidth() - 10) / 2;
int h = 30;
int x0 = 5;
int y0 = 160;
int y1 = 205;
speakerButton = new SpeakerButton();
int x = x0 + w - w / 2 - speakerButton.getWidth() / 2;
int y = y0 + h / 2 - speakerButton.getHeight() / 2;
addButton(speakerButton, x, y);
speakerButton.setVisible(true);
dialerButton = new DialerButton();
x = x0 + 2 * w - w /2 - dialerButton.getWidth() / 2;
y = y0 + h / 2 - dialerButton.getHeight() / 2;
addButton(dialerButton, x, y);
dialerButton.setVisible(true);
muteButton = new MuteButton();
x = x0 + w - w / 2 - muteButton.getWidth() / 2;
y = y1 + h / 2 - muteButton.getHeight() / 2;
addButton(muteButton, x, y);
muteButton.setVisible(false);
holdButton = new HoldButton();
x = x0 + 2 * w - w /2 - holdButton.getWidth() / 2;
y = y1 + h / 2 - holdButton.getHeight() / 2;
addButton(holdButton, x, y);
holdButton.setVisible(false);
}
/**
* @see javax.microedition.lcdui.Canvas#paint(javax.microedition.lcdui.Graphics)
*/
protected void paint(Graphics g) {
g.setColor(BACKGROUND_COLOR);
g.fillRect(0, 0, getWidth(), getHeight());
g.setColor(FOREGROUND_COLOR);
g.setFont(Font.getFont(
Font.FACE_SYSTEM,
Font.STYLE_BOLD,
Font.SIZE_LARGE));
int stringWidth = g.getFont().stringWidth(contact.getName());
g.drawString(
contact.getName(),
getWidth() / 2 - stringWidth / 2,
20,
Graphics.TOP | Graphics.LEFT);
g.setFont(Font.getDefaultFont());
stringWidth = g.getFont().stringWidth(contact.getVoipAddress());
g.drawString(
contact.getVoipAddress(),
getWidth() / 2 - stringWidth / 2,
60,
Graphics.TOP | Graphics.LEFT);
int durationStrWidth = g.getFont().stringWidth(callDuration);
g.drawString(callDuration, getWidth() / 2 - durationStrWidth / 2,
140, Graphics.TOP | Graphics.LEFT);
}
public final void addButton(Button button, int x, int y) {
buttons.addElement(button);
button.setPosition(x, y);
button.setParent(this);
}
/**
* @see javax.microedition.lcdui.Canvas#pointerPressed(int, int)
*/
public void pointerPressed(int x, int y) {
Enumeration e = buttons.elements();
while (e.hasMoreElements()) {
Button b = (Button) e.nextElement();
if (b.contains(x, y)) {
b.pointerPressed(x, y);
}
}
}
/**
* @see javax.microedition.lcdui.Canvas#pointerReleased(int, int)
*/
public void pointerReleased(int x, int y) {
Enumeration e = buttons.elements();
while (e.hasMoreElements()) {
Button b = (Button) e.nextElement();
if (b.contains(x, y)) {
b.pointerReleased(x, y);
}
}
}
public void showMuteHold(boolean toggle) {
muteButton.setVisible(toggle);
muteButton.repaint();
holdButton.setVisible(toggle);
holdButton.repaint();
repaint();
}
public void onCallDisconnected() {
call.setCallStateListener(null);
viewManager.popView();
}
/**
* mutator method for defining the call duration string
* prior to calling the repaint.
*/
protected void setCallDuration(String callDuration) {
this.callDuration = callDuration;
}
private void confirmEndCall() {
final Alert alert = new Alert("End call");
alert.setType(AlertType.CONFIRMATION);
alert.setString("Terminate call?");
alert.addCommand(new Command("OK", Command.OK, 0));
alert.addCommand(new Command("Cancel", Command.CANCEL, 1));
alert.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable d) {
if (c.getCommandType() == Command.OK) {
call.end();
callCounter.cancel();
viewManager.popView();
}
else if (c.getCommandType() == Command.CANCEL) {
viewManager.show(CallView.this);
}
}
});
viewManager.show(alert);
}
private class EndCallButton
extends Button {
public EndCallButton() {
super(IMAGE_END_CALL, IMAGE_END_CALL_PRESSED);
}
public void onClick() {
call.end();
callCounter.cancel();
}
}
private class SpeakerButton
extends ToggleButton {
public SpeakerButton() {
super(IMAGE_SPEAKER_DISABLED, IMAGE_SPEAKER_ENABLED);
}
public void onClick() {
System.out.println("speaker button clicked");
call.setSpeaker(isToggled());
}
}
private class MuteButton
extends ToggleButton {
public MuteButton() {
super(IMAGE_MUTE_DISABLED, IMAGE_MUTE_ENABLED);
}
public void onClick() {
System.out.println("mute button clicked");
call.setMute(isToggled());
}
}
private class HoldButton
extends ToggleButton {
public HoldButton() {
super(IMAGE_HOLD_DISABLED, IMAGE_HOLD_ENABLED);
}
public void onClick() {
System.out.println("hold button clicked");
call.setHold(isToggled());
}
}
private class DialerButton
extends Button {
public DialerButton() {
super(IMAGE_DIALER_DISABLED, IMAGE_DIALER_ENABLED);
}
public void onClick() {
System.out.println("dialer button clicked");
viewManager.pushView(new DTMFView());
}
}
private class CallViewCommandListener
implements CommandListener {
public void commandAction(Command c, Displayable d) {
if (c.getCommandType() == Command.BACK) {
confirmEndCall();
}
}
}
private class DTMFView
extends Form {
private TextField dialerField;
private Item callButton;
public DTMFView() {
super("Send DTMF tones");
dialerField = new TextField(
null,
null,
Integer.MAX_VALUE,
TextField.PHONENUMBER);
dialerField.setString("");
append(dialerField);
callButton = new StringItem("", "Send DTMF", StringItem.BUTTON);
Command sendCommand = new Command("Send DTMF", Command.ITEM, 0);
callButton.setDefaultCommand(sendCommand);
callButton.setItemCommandListener(new ItemCommandListener() {
public void commandAction(Command c, Item item) {
String dtmf = dialerField.getString();
if (dtmf.length() > 0) {
call.sendDTMF(dtmf);
}
viewManager.popView();
}
});
append(callButton);
setCommandListener(viewManager.getGlobalCommandListener());
}
}
}