/*
* @(#)DefaultControlPanel.java 1.55 02/08/21
*
* Copyright (c) 1996-2002 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.media.ui;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.media.*;
import com.sun.media.controls.*;
import com.sun.media.util.*;
import javax.media.format.*;
import javax.media.format.*;
import javax.media.format.*;
import javax.media.control.*;
public class DefaultControlPanel extends BufferedPanelLight
implements ActionListener, ItemListener, ControllerListener, GainChangeListener, ComponentListener {
/*************************************************************************
* Variables
*************************************************************************/
static final Color colorBackground = new Color(192, 192, 192);
private static final String MENU_PROPERTIES = JMFI18N.getResource("mediaplayer.properties");
private static final String MENU_RATE_1_4 = JMFI18N.getResource("mediaplayer.rate.1:4");
private static final String MENU_RATE_1_2 = JMFI18N.getResource("mediaplayer.rate.1:2");
private static final String MENU_RATE_1_1 = JMFI18N.getResource("mediaplayer.rate.1:1");
private static final String MENU_RATE_2_1 = JMFI18N.getResource("mediaplayer.rate.2:1");
private static final String MENU_RATE_4_1 = JMFI18N.getResource("mediaplayer.rate.4:1");
private static final String MENU_RATE_8_1 = JMFI18N.getResource("mediaplayer.rate.8:1");
private static final String MENU_MEDIA = JMFI18N.getResource("mediaplayer.menu.media");
private static final String MENU_AUDIO = JMFI18N.getResource("mediaplayer.menu.audio");
private static final String MENU_VIDEO = JMFI18N.getResource("mediaplayer.menu.video");
Player player;
Frame parentFrame = null;
Container container = null;
TransparentPanel panelLeft;
TransparentPanel panelRight;
TransparentPanel panelProgress;
boolean boolAdded = false;
ButtonComp buttonPlay = null;
ButtonComp buttonStepBack = null;
ButtonComp buttonStepFwd = null;
AudioButton buttonAudio = null;
ButtonComp buttonMedia = null;
ProgressSlider progressSlider = null;
CheckboxMenuItem menuItemCheck = null;
PopupMenu menuPopup = null;
WindowListener wl = null;
private boolean firstTime = true;
private boolean started = false;
private Integer localLock = new Integer(0);
GainControlComponent audioControls = null;
PropertySheet propsSheet = null;
// PopupMenu rateMenu = null;
// Controls
javax.media.control.FramePositioningControl controlFrame = null;
ProgressControl progressControl = null;
GainControl gainControl = null;
SliderRegionControl regionControl = null;
String urlName = null;
long lFrameStep = 0;
private CheckboxMenuItem menuRate_1_4 = null;
private CheckboxMenuItem menuRate_1_2 = null;
private CheckboxMenuItem menuRate_1_1 = null;
private CheckboxMenuItem menuRate_2_1 = null;
private CheckboxMenuItem menuRate_4_1 = null;
private CheckboxMenuItem menuRate_8_1 = null;
private Vector vectorTracksAudio = new Vector ();
private Vector vectorTracksVideo = new Vector ();
private int pausecnt = -1;
private boolean resetMediaTimeinPause = false;
/*************************************************************************
* Methods
*************************************************************************/
public DefaultControlPanel(Player player) {
this.player = player;
try {
init ();
}
catch ( Exception exception ) {
exception.printStackTrace ();
}
}
public void addNotify () {
boolean boolLightweight = true;
Container containerParent;
java.awt.peer.ComponentPeer compPeer;
if ( boolAdded == false ) {
containerParent = this.getParent ();
while ( containerParent != null && boolLightweight == true ) {
compPeer = containerParent.getPeer ();
containerParent = containerParent.getParent ();
if ( containerParent == null )
break;
if ( compPeer != null && !(compPeer instanceof java.awt.peer.LightweightPeer) )
boolLightweight = false;
}
if ( container != null ) {
container.remove ( panelLeft );
container.remove ( panelRight );
container.remove ( panelProgress );
if ( container != this )
this.remove ( container );
}
if ( boolLightweight == true ) {
container = this;
}
else {
container = new BufferedPanel ( new BorderLayout() );
container.setBackground(colorBackground);
((BufferedPanel)container).setBackgroundTile ( BasicComp.fetchImage("texture3.gif") );
this.add ( container, BorderLayout.CENTER );
}
container.add ( panelLeft, BorderLayout.WEST );
container.add ( panelRight, BorderLayout.EAST );
container.add ( panelProgress, BorderLayout.CENTER );
boolAdded = true;
}
setVisible ( true );
super.addNotify ();
this.validate ();
}
public void removeNotify () {
// cleanUp();
super.removeNotify ();
if ( boolAdded == true ) {
// container.remove ( panelLeft );
// container.remove ( panelRight );
// container.remove ( panelProgress );
// if ( container != this )
// this.remove ( container );
boolAdded = false;
}
}
// added by hsy for FlashDefaultControlPanel
protected void removePlayButton() {
panelLeft.remove(buttonPlay);
}
private void init () throws Exception {
Time duration;
Dimension dim;
int i;
int nCount;
Control arrControls [];
TrackControl trackControl;
Format format;
VideoFormat formatVideo;
float frameRate;
MenuItem menuItem;
boolean boolEnable;
getPlayerControls();
if (gainControl != null)
gainControl.addGainChangeListener ( this );
setBackground(colorBackground);
setLayout ( new BorderLayout() );
this.addComponentListener ( this );
container = this;
panelLeft = new TransparentPanel ( new GridLayout(1,0) );
container.add ( panelLeft, BorderLayout.WEST );
panelRight = new TransparentPanel ( new GridLayout(1,0) );
container.add ( panelRight, BorderLayout.EAST );
panelProgress = new TransparentPanel ( new BorderLayout() );
container.add ( panelProgress, BorderLayout.CENTER );
buttonPlay = new ButtonComp ( "Play",
"play.gif", "play-active.gif", "play-pressed.gif", "play-disabled.gif",
"pause.gif", "pause-active.gif", "pause-pressed.gif", "pause-disabled.gif" );
buttonPlay.setActionListener ( this );
panelLeft.add ( buttonPlay );
// if ( player instanceof com.sun.media.BasicPlayer
// && ((com.sun.media.BasicPlayer)player).isFramePositionable() ) {
if ( controlFrame != null ) {
buttonStepBack = new ButtonComp ( "StepBack",
"step-back.gif", "step-back-active.gif", "step-back-pressed.gif", "step-back-disabled.gif",
"step-back.gif", "step-back-active.gif", "step-back-pressed.gif", "step-back-disabled.gif" );
buttonStepBack.setActionListener ( this );
buttonStepBack.setContMousePress ( true );
panelLeft.add ( buttonStepBack );
buttonStepFwd = new ButtonComp ( "StepForward",
"step-fwd.gif", "step-fwd-active.gif", "step-fwd-pressed.gif", "step-fwd-disabled.gif",
"step-fwd.gif", "step-fwd-active.gif", "step-fwd-pressed.gif", "step-fwd-disabled.gif" );
buttonStepFwd.setActionListener ( this );
buttonStepFwd.setContMousePress ( true );
panelLeft.add ( buttonStepFwd );
}
if (gainControl != null) {
buttonAudio = new AudioButton ( gainControl );
buttonAudio.setActionListener ( this );
panelRight.add ( buttonAudio );
}
buttonMedia = new ButtonComp ( "Media",
"media.gif", "media-active.gif", "media-pressed.gif", "media-disabled.gif",
"media.gif", "media-active.gif", "media-pressed.gif", "media-disabled.gif" );
buttonMedia.setActionListener ( this );
panelRight.add ( buttonMedia );
progressSlider = new ProgressSlider( "mediatime", this, player );
progressSlider.setActionListener ( this );
panelProgress.add ( progressSlider, BorderLayout.CENTER );
duration = player.getDuration ();
if (duration == Duration.DURATION_UNBOUNDED || duration == Duration.DURATION_UNKNOWN )
progressSlider.setEnabled(false);
updateButtonState ();
// Add GUI controls for audio
/*
if (gainControl != null) {
audioControls = new GainControlComponent(gainControl);
add(audioControls);
minimumWidth += audioControls.getPreferredSize().width;
}
*/
validate();
dim = this.getPreferredSize ();
this.setSize ( dim );
setVisible ( true );
setBackgroundTile ( BasicComp.fetchImage("texture3.gif") );
player.addControllerListener ( this );
arrControls = player.getControls ();
nCount = arrControls.length;
for ( i = 0; i < nCount; i++ ) {
if ( !(arrControls[i] instanceof TrackControl) )
continue;
trackControl = (TrackControl) arrControls[i];
format = trackControl.getFormat ();
if ( format instanceof AudioFormat ) {
vectorTracksAudio.addElement ( trackControl );
}
else if ( format instanceof VideoFormat ) {
vectorTracksVideo.addElement ( trackControl );
formatVideo = (VideoFormat) format;
frameRate = formatVideo.getFrameRate ();
lFrameStep = (long)(Time.ONE_SECOND / frameRate);
}
}
menuPopup = new PopupMenu ( MENU_MEDIA );
buttonMedia.setPopupMenu ( menuPopup );
nCount = vectorTracksAudio.size ();
// The audio icon for the first enabled track is
// enabled. For all the remaining tracks, the
// audio icon is set to muted state.
boolean aTrackAudioIconEnabled = false;
if ( nCount > 1 ) {
for ( i = 0; i < nCount; i++ ) {
trackControl = (TrackControl)vectorTracksAudio.elementAt ( i );
boolEnable = false;
if (!aTrackAudioIconEnabled && trackControl.isEnabled()) {
aTrackAudioIconEnabled = true;
boolEnable = true;
}
menuItemCheck = new CheckboxMenuItem ( MENU_AUDIO + " " + i, boolEnable );
muteAudioTrack ( trackControl, !boolEnable );
menuItemCheck.addItemListener ( this );
menuPopup.add ( menuItemCheck );
}
menuPopup.addSeparator ();
}
/*
nCount = vectorTracksVideo.size ();
if ( nCount > 1 ) {
for ( i = 0; i < nCount; i++ ) {
menuItemCheck = new CheckboxMenuItem ( "Video " + i, true );
menuItemCheck.addItemListener ( this );
menuPopup.add ( menuItemCheck );
}
menuPopup.addSeparator ();
}
*/
menuRate_1_4 = new CheckboxMenuItem ( MENU_RATE_1_4, false );
menuRate_1_4.addItemListener ( this );
menuPopup.add ( menuRate_1_4 );
menuRate_1_2 = new CheckboxMenuItem ( MENU_RATE_1_2, false );
menuRate_1_2.addItemListener ( this );
menuPopup.add ( menuRate_1_2 );
menuRate_1_1 = new CheckboxMenuItem ( MENU_RATE_1_1, true );
menuRate_1_1.addItemListener ( this );
menuPopup.add ( menuRate_1_1 );
menuRate_2_1 = new CheckboxMenuItem ( MENU_RATE_2_1, false );
menuRate_2_1.addItemListener ( this );
menuPopup.add ( menuRate_2_1 );
menuRate_4_1 = new CheckboxMenuItem ( MENU_RATE_4_1, false );
menuRate_4_1.addItemListener ( this );
menuPopup.add ( menuRate_4_1 );
menuRate_8_1 = new CheckboxMenuItem ( MENU_RATE_8_1, false );
menuRate_8_1.addItemListener ( this );
menuPopup.add ( menuRate_8_1 );
// menuPopup.addSeparator ();
// menuItem = new MenuItem ( MENU_PROPERTIES );
// menuItem.addActionListener ( this );
// menuPopup.add ( menuItem );
}
private void updateButtonState () {
if ( player == null ) {
buttonPlay.setEnabled ( false );
}
else {
buttonPlay.setEnabled ( true );
if ( player.getState() == Controller.Started )
buttonPlay.setValue ( true );
else
buttonPlay.setValue ( false );
}
}
public void minicleanUp() {
synchronized (localLock) {
firstTime = true;
}
}
public void dispose() {
synchronized (localLock) {
if (player == null)
return;
if (propsSheet != null) {
propsSheet.dispose();
propsSheet = null;
}
if (progressSlider != null) {
progressSlider.dispose();
progressSlider = null;
}
if (audioControls != null) {
remove(audioControls);
audioControls = null;
}
if (buttonAudio != null) {
buttonAudio.dispose();
buttonAudio = null;
}
player = null;
gainControl = null;
controlFrame = null;
if (parentFrame != null && wl != null) {
parentFrame.removeWindowListener(wl);
parentFrame = null;
wl = null;
}
vectorTracksAudio.removeAllElements();
vectorTracksVideo.removeAllElements();
/**
* Don't ask why, the following few lines of code
* will allow the Solaris production VM to garbage-collect
* the DefaultControlPanel.
*/
if (menuItemCheck != null)
menuItemCheck.removeItemListener(this);
menuRate_1_4.removeItemListener(this);
menuRate_1_2.removeItemListener(this);
menuRate_8_1.removeItemListener(this);
menuRate_4_1.removeItemListener(this);
menuRate_2_1.removeItemListener(this);
menuRate_1_1.removeItemListener(this);
buttonMedia.setPopupMenu(null);
}
}
private void getPlayerControls() {
Control control;
if (player == null)
return;
gainControl = player.getGainControl();
control = player.getControl ( "javax.media.control.FramePositioningControl" );
if ( control != null && control instanceof javax.media.control.FramePositioningControl )
controlFrame = (javax.media.control.FramePositioningControl) control;
/*
Control [] controls = player.getControls();
for (int i = 0; i < controls.length; i++) {
Control ctl = controls[i];
if (ctl instanceof GainControl) {
gainControl = (GainControl)ctl;
}
}
*/
}
public void actionPerformed(ActionEvent ae) {
String command;
command = ae.getActionCommand();
if ( command.equalsIgnoreCase(buttonPlay.getLabel()) ) {
playStop();
}
if ( buttonAudio != null && command.equalsIgnoreCase(buttonAudio.getLabel()) ) {
audioMute ();
}
else if ( command.equalsIgnoreCase(buttonMedia.getLabel())
|| command.equalsIgnoreCase(MENU_PROPERTIES) ) {
showPropsSheet();
}
else if ( buttonStepBack != null && command.equalsIgnoreCase(buttonStepBack.getLabel()) ) {
playStep ( false );
}
else if ( buttonStepFwd != null && command.equalsIgnoreCase(buttonStepFwd.getLabel()) ) {
playStep ( true );
}
}
public void itemStateChanged ( ItemEvent event ) {
ItemSelectable item;
Object objectItem;
String strItem;
int nIndex;
TrackControl trackControl;
boolean boolEnabled;
int nState;
item = event.getItemSelectable ();
nState = event.getStateChange ();
objectItem = event.getItem ();
if ( item == menuRate_1_4 && nState == ItemEvent.SELECTED ) {
menuRate_1_4.setState ( false ); // will be set only if successfull, i.e. on RateChangeEvent
player.setRate ( (float)0.25 );
}
else if ( item == menuRate_1_2 && nState == ItemEvent.SELECTED ) {
menuRate_1_2.setState ( false );
player.setRate ( (float)0.5 );
}
else if ( item == menuRate_1_1 && nState == ItemEvent.SELECTED ) {
menuRate_1_1.setState ( false );
player.setRate ( (float)1.0 );
}
else if ( item == menuRate_2_1 && nState == ItemEvent.SELECTED ) {
menuRate_2_1.setState ( false );
player.setRate ( (float)2.0 );
}
else if ( item == menuRate_4_1 && nState == ItemEvent.SELECTED ) {
menuRate_4_1.setState ( false );
player.setRate ( (float)4.0 );
}
else if ( item == menuRate_8_1 && nState == ItemEvent.SELECTED ) {
menuRate_8_1.setState ( false );
player.setRate ( (float)8.0 );
}
else if ( objectItem instanceof String ) {
strItem = (String) objectItem;
if ( strItem.substring(0,5).equalsIgnoreCase(MENU_AUDIO) ) {
nIndex = Integer.valueOf(strItem.substring(6)).intValue();
trackControl = (TrackControl)vectorTracksAudio.elementAt ( nIndex );
boolEnabled = event.getStateChange() == ItemEvent.SELECTED;
muteAudioTrack ( trackControl, !boolEnabled );
}
else if ( strItem.substring(0,5).equalsIgnoreCase(MENU_VIDEO) ) {
}
}
}
void update() {
if ( propsSheet == null || player == null )
return;
if ( player.getState() == Controller.Started ) {
pausecnt = -1;
propsSheet.update();
}
else {
if (pausecnt < 5 ) {
pausecnt ++;
propsSheet.update();
}
else if ( pausecnt == 5 ) {
pausecnt++;
propsSheet.clearBRFR();
}
else if ( resetMediaTimeinPause ) {
resetMediaTimeinPause = false;
propsSheet.updateMediaTime();
}
}
}
void resetPauseCount() {
pausecnt = -1;
}
private void playStop() {
long lDuration;
long lMedia;
boolean state = buttonPlay.getValue();
synchronized (localLock) {
if (player == null || buttonPlay == null)
return;
if (state) {
if (player.getTargetState() == Controller.Started) {
// Ignore
}
else {
buttonPlay.setEnabled(false);
lDuration = player.getDuration().getNanoseconds();
lMedia = player.getMediaNanoseconds();
if ( lMedia >= lDuration )
player.setMediaTime ( new Time(0) );
player.start();
}
}
else {
if (player.getTargetState() == Controller.Started) {
buttonPlay.setEnabled(false);
player.stop();
}
else {
// Ignore
}
}
}
}
private void audioMute() {
boolean boolState;
if ( gainControl == null )
return;
boolState = buttonAudio.getValue();
gainControl.setMute ( boolState );
}
private void playStep ( boolean boolFwd ) {
long lValue;
if ( controlFrame == null )
return;
if (player.getTargetState() == Controller.Started) {
buttonPlay.setEnabled(false);
player.stop();
}
controlFrame.skip ( (boolFwd?1:(-1)) );
}
public void controllerUpdate(ControllerEvent ce) {
long lDuration;
long lMedia;
synchronized (localLock) {
if (player == null)
return;
if (ce instanceof StartEvent) {
buttonPlay.setValue(true);
buttonPlay.setEnabled(true);
if ( buttonStepFwd != null )
buttonStepFwd.setEnabled ( true );
if ( buttonStepBack != null )
buttonStepBack.setEnabled ( true );
}
else if (ce instanceof StopEvent ||
ce instanceof ResourceUnavailableEvent) {
buttonPlay.setValue(false);
buttonPlay.setEnabled(true);
Thread.yield ();
lDuration = player.getDuration().getNanoseconds();
lMedia = player.getMediaNanoseconds();
if ( buttonStepFwd != null ) {
if ( lMedia < lDuration - 1 )
buttonStepFwd.setEnabled ( true );
else
buttonStepFwd.setEnabled ( false );
}
if ( buttonStepBack != null ) {
if ( lMedia > 0 )
buttonStepBack.setEnabled ( true );
else
buttonStepBack.setEnabled ( false );
}
}
else if (ce instanceof DurationUpdateEvent) {
Time duration = player.getDuration();
if ( duration == Duration.DURATION_UNKNOWN || duration == Duration.DURATION_UNBOUNDED )
progressSlider.setEnabled(false);
else
progressSlider.setEnabled(true);
if (propsSheet != null)
propsSheet.updateDuration();
}
else if (ce instanceof MediaTimeSetEvent) {
Thread.yield ();
lDuration = player.getDuration().getNanoseconds();
lMedia = player.getMediaNanoseconds();
if ( buttonStepFwd != null ) {
if ( lMedia < lDuration - 1 )
buttonStepFwd.setEnabled ( true );
else
buttonStepFwd.setEnabled ( false );
}
if ( buttonStepBack != null ) {
if ( lMedia > 0 )
buttonStepBack.setEnabled ( true );
else
buttonStepBack.setEnabled ( false );
}
resetMediaTimeinPause = true;
}
else if (ce instanceof RateChangeEvent) {
float fRate;
menuRate_1_4.setState ( false );
menuRate_1_2.setState ( false );
menuRate_1_1.setState ( false );
menuRate_2_1.setState ( false );
menuRate_4_1.setState ( false );
menuRate_8_1.setState ( false );
fRate = player.getRate ();
if ( fRate < 0.5 ) {
menuRate_1_4.removeItemListener ( this );
menuRate_1_4.setState ( true );
menuRate_1_4.addItemListener ( this );
}
else if ( fRate < 1.0 ) {
menuRate_1_2.removeItemListener ( this );
menuRate_1_2.setState ( true );
menuRate_1_2.addItemListener ( this );
}
else if ( fRate > 4.0 ) {
menuRate_8_1.removeItemListener ( this );
menuRate_8_1.setState ( true );
menuRate_8_1.addItemListener ( this );
}
else if ( fRate > 2.0 ) {
menuRate_4_1.removeItemListener ( this );
menuRate_4_1.setState ( true );
menuRate_4_1.addItemListener ( this );
}
else if ( fRate > 1.0 ) {
menuRate_2_1.removeItemListener ( this );
menuRate_2_1.setState ( true );
menuRate_2_1.addItemListener ( this );
}
else {
menuRate_1_1.removeItemListener ( this );
menuRate_1_1.setState ( true );
menuRate_1_1.addItemListener ( this );
}
}
}
}
public void gainChange ( GainChangeEvent event ) {
boolean boolMute;
boolMute = gainControl.getMute ();
buttonAudio.setValue ( boolMute );
}
public void componentResized(ComponentEvent e) {
this.validate ();
}
public void componentMoved(ComponentEvent e) {
}
public void componentShown(ComponentEvent e) {
}
public void componentHidden(ComponentEvent e) {
}
/*************************************************************************
* Overridden Component methods
*************************************************************************/
public void paint(Graphics g) {
if (firstTime) {
findFrame();
}
super.paint(g);
}
protected void findFrame() {
synchronized (localLock) {
if (firstTime) {
firstTime = false;
Component c = getParent();
while (!(c instanceof Frame) && c != null) {
c = c.getParent();
}
if (c instanceof Frame) {
parentFrame = (Frame)c;
((Frame)c).addWindowListener(wl = new WindowAdapter() {
public void windowClosing(WindowEvent we) {
minicleanUp();
}
} );
}
}
}
}
public Insets getInsets () {
Insets insets;
insets = new Insets (1,0,0,0);
return ( insets );
}
private void showPropsSheet() {
Point point;
Dimension dim;
if (propsSheet == null) {
try {
propsSheet = new PropertySheet ( parentFrame, player );
if ( this.isShowing() ) {
point = this.getLocationOnScreen ();
dim = this.getSize ();
point.y += dim.height;
propsSheet.setLocation ( point );
}
}
catch (Exception e) {
propsSheet = null;
}
}
if (propsSheet != null) {
propsSheet.setVisible(true);
}
}
private void muteAudioTrack ( TrackControl trackControl, boolean boolMute ) {
int i;
int nCount;
Object arrControls [];
arrControls = trackControl.getControls ();
nCount = arrControls.length;
for ( i = 0; i < nCount; i++ ) {
if ( arrControls[i] instanceof GainControl )
((GainControl)arrControls[i]).setMute ( boolMute );
}
}
}
class TransparentPanel extends Container implements ComponentListener {
public TransparentPanel () {
super ();
this.addComponentListener ( this );
}
public TransparentPanel ( LayoutManager mgrLayout ) {
super ();
this.setLayout ( mgrLayout );
this.addComponentListener ( this );
}
public void componentResized(ComponentEvent e) {
this.doLayout ();
this.repaint ();
}
public void componentMoved(ComponentEvent e) {
}
public void componentShown(ComponentEvent e) {
}
public void componentHidden(ComponentEvent e) {
}
}
class AudioButton extends ButtonComp {
private GainControl gainControl;
private GainSlider sliderGain = null;
public AudioButton ( GainControl gainControl ) {
super ( "Audio", "audio.gif", "audio-active.gif", "audio-pressed.gif", "audio-disabled.gif",
"mute.gif", "mute-active.gif", "mute-pressed.gif", "mute-disabled.gif" );
this.gainControl = gainControl;
this.setMousePopup ( true );
}
protected void processMousePopup () {
Dimension dim;
Point point;
if ( this.isShowing() && gainControl.getLevel() >= 0 ) {
if ( sliderGain == null )
sliderGain = new GainSlider ( gainControl, getFrame() );
dim = this.getSize ();
point = this.getLocationOnScreen ();
point.y += dim.height;
sliderGain.setLocation ( point );
sliderGain.setVisible ( !sliderGain.isVisible() );
}
}
private Frame getFrame () {
Component parent;
Frame frame = null;
parent = this;
while ( parent != null && !(parent instanceof Frame ) ) {
parent = parent.getParent ();
}
if ( parent != null && parent instanceof Frame )
frame = (Frame) parent;
return ( frame );
}
public void dispose() {
gainControl = null;
if (sliderGain != null) {
sliderGain.dispose();
sliderGain = null;
}
}
}
class GainSlider extends Window implements GainChangeListener, MouseListener,
MouseMotionListener, FocusListener {
private GainControl gainControl;
private Image imageGrabber = null;
private Dimension dimGrabber = new Dimension ();
private Button buttonFocus;
private boolean boolFocus = false;
private boolean pressed = false;
private PopupThread threadPopup = null;
private Image imageBackground = null;
private static final int WIDTH = 80;
private static final int HEIGHT = 20;
public GainSlider ( GainControl gainControl ) {
this ( gainControl, new Frame() );
}
public GainSlider ( GainControl gainControl, Frame frame ) {
super ( frame );
this.gainControl = gainControl;
try {
init ();
}
catch ( Exception exception ) {
}
}
public void dispose() {
gainControl = null;
}
public void addNotify () {
Insets insets;
super.addNotify ();
insets = this.getInsets ();
this.setSize ( WIDTH + insets.left + insets.right, HEIGHT + insets.top + insets.bottom );
}
private void init () throws Exception {
gainControl.addGainChangeListener ( this );
this.addMouseListener ( this );
this.addMouseMotionListener ( this );
this.setLayout ( null );
imageBackground = BasicComp.fetchImage ( "texture3.gif" );
buttonFocus = new Button ( "Focus" );
buttonFocus.setBounds ( -100, -100, 80, 24 );
this.add ( buttonFocus );
buttonFocus.addFocusListener ( this );
imageGrabber = BasicComp.fetchImage ( "grabber.gif" );
this.setBackground ( Color.lightGray );
this.setSize ( WIDTH, HEIGHT );
}
public void setVisible ( boolean boolVisible ) {
super.setVisible ( boolVisible );
if ( boolVisible == true ) {
buttonFocus.requestFocus ();
if ( threadPopup != null )
threadPopup.stopNormaly ();
threadPopup = new PopupThread ( this );
threadPopup.resetCounter ( 3 );
threadPopup.start ();
}
else if ( threadPopup != null ) {
threadPopup.stopNormaly ();
}
}
public void update ( Graphics g ) {
Rectangle rectClient;
Image image;
Graphics graphics;
rectClient = this.getBounds ();
image = createImage ( rectClient.width, rectClient.height );
if ( image != null )
graphics = image.getGraphics ();
else
graphics = g;
paint ( graphics );
if ( image != null )
g.drawImage ( image, 0, 0, this );
}
public void paint ( Graphics graphics ) {
int x, y;
Dimension dimSize;
int widthGrabber;
float levelGain;
Insets insets;
Rectangle rect;
paintBackground ( graphics );
dimSize = this.getSize ();
insets = this.getInsets ();
rect = new Rectangle ( insets.left, insets.top,
dimSize.width - insets.left - insets.right,
dimSize.height - insets.top - insets.bottom );
graphics.setColor ( this.getBackground() );
graphics.draw3DRect ( rect.x, rect.y, rect.width - 1, rect.height - 1, true );
graphics.draw3DRect ( rect.x + 4, rect.y + (rect.height / 2) - 2, rect.width - 9, 3, false );
if ( dimGrabber.width < 1 )
dimGrabber.width = imageGrabber.getWidth ( this );
if ( dimGrabber.height < 1 )
dimGrabber.height = imageGrabber.getHeight ( this );
levelGain = gainControl.getLevel ();
x = rect.x + (int)(2 + levelGain * (rect.width - 5 - dimGrabber.width));
y = rect.y + (rect.height - dimGrabber.height) / 2;
graphics.drawImage ( imageGrabber, x, y, this );
}
private void paintBackground ( Graphics graphics ) {
Dimension dimSize;
Rectangle rectTile;
Rectangle rectClip;
dimSize = getSize ();
if ( imageBackground == null ) {
graphics.setColor ( getBackground() );
graphics.fillRect ( 0, 0, dimSize.width, dimSize.height );
}
else {
rectTile = new Rectangle ( 0, 0, imageBackground.getWidth(this), imageBackground.getHeight(this) );
rectClip = graphics.getClipBounds ();
while ( rectTile.y < dimSize.height ) {
while ( rectTile.x < dimSize.width ) {
if ( rectClip == null || rectClip.intersects(rectTile) ) {
graphics.drawImage ( imageBackground, rectTile.x, rectTile.y, this );
}
rectTile.x += rectTile.width;
}
rectTile.x = 0;
rectTile.y += rectTile.height;
}
}
}
public void gainChange ( GainChangeEvent event ) {
repaint ();
}
public void mouseClicked ( MouseEvent event ) {
}
public void mousePressed ( MouseEvent event ) {
Point pointMouse;
if ( threadPopup != null )
threadPopup.resetCounter ( 3 );
pointMouse = event.getPoint ();
setLevelToMouse ( pointMouse );
pressed = true;
}
public void mouseReleased ( MouseEvent event ) {
pressed = false;
if (boolFocus == false)
this.setVisible(false);
}
public void mouseEntered ( MouseEvent event ) {
boolFocus = true;
if ( threadPopup != null )
threadPopup.stopNormaly ();
}
public void mouseExited ( MouseEvent event ) {
if ( boolFocus == true && !pressed)
this.setVisible ( false );
boolFocus = false;
}
public void mouseDragged ( MouseEvent event ) {
Point pointMouse;
if ( threadPopup != null )
threadPopup.resetCounter ( 3 );
pointMouse = event.getPoint ();
setLevelToMouse ( pointMouse );
}
public void mouseMoved ( MouseEvent event ) {
}
public void focusLost ( FocusEvent event ) {
}
public void focusGained ( FocusEvent event ) {
}
private void setLevelToMouse ( Point pointMouse ) {
int nPos;
int nWidth;
Dimension dimSize;
Insets insets;
float levelGain;
if (gainControl == null)
return;
dimSize = this.getSize ();
insets = this.getInsets ();
nPos = pointMouse.x - 2 - insets.left;
nWidth = dimSize.width - insets.left - insets.right - 5;
if ( nPos > nWidth )
nPos = nWidth;
if ( nPos < 0 )
nPos = 0;
levelGain = (float)nPos / nWidth;
gainControl.setMute ( false );
gainControl.setLevel ( levelGain );
}
}
class PopupThread extends Thread {
private Window window;
private int nTimeCounter = 3;
private boolean boolRun = true;
public PopupThread ( Window window ) {
this.window = window;
}
public void resetCounter ( int nTimeCounter ) {
this.nTimeCounter = nTimeCounter;
}
public void stopNormaly () {
boolRun = false;
}
/**
*
*/
public void run () {
while ( boolRun ) {
if ( nTimeCounter < 1 )
window.setVisible ( false );
try {
sleep ( 1000 );
}
catch ( Exception exception ) {
}
nTimeCounter--;
}
}
}
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