javax.microedition.media.Control Java Examples

private Control createControl( String type )
{
    int control_peer = getControlPeer( type );
    if( control_peer == 0 )
    {
        return null;
    }
    
    Control c = DirectAMMSControl.createDirectAMMSControl( type, 
            control_peer );
    if( c != null )
    {
        _hControls.put( type, c );
    }
    
    return c;
}
 

public Control getControl(String controlType) {
        if (controlType == null) 
            throw new IllegalArgumentException("Invalid control type"); 
        
/* Currently, the specification say, that controls may be get in unrealized 
   state, but in the proposals for JSR 234 (N20) suggested to forbid it. */
/*        if (state == UNREALIZED)
            throw new IllegalStateException("Invalid state: "  + state);*/
        

        // Prepend the package name if the type given does not
        // have the package prefix.
        String type = (controlType.indexOf('.') < 0)
            ? ("javax.microedition.media.control." + controlType)
            : controlType;

        for (int i = 0; i < controlNames.length; i++)
            if (type.equals(controlNames[i]))
                return controls[i];
        
        return null;
    }
 

/**
 * Public constructor.
 *
 * @param allCtrls acceptable controls lists.
 *
 */
public BasicMediaProcessor() {
    this.controlNames = new String[0];
    this.controls = new Control[0];
    
    mediaProcessorID = 0;
    synchronized (idLock) {
        mediaProcessorID = (curID + 1) & 32767;
        curID = mediaProcessorID;
    }
    mprocessors.put(new Integer(mediaProcessorID), this);
    
    listeners = new Vector();

    inputStream = null;
    outputStream = null;

    state = UNREALIZED;
}
 

public final Control getControl( String controlType )
{
    if (controlType == null) throw new IllegalArgumentException();

    String type;

    // Prepend the package name if the type given does not
    // have the package prefix.
    if (controlType.indexOf('.') < 0) {
        type = "javax.microedition.media.control." + controlType;
    } else {
        type = controlType;
    }

    Control c;
    if( ( c = ( Control )_hControls.get( type ) ) != null )
    {
        return c;
    }
    
    if( _aControls != null )
    {
        return null;
    }
    
    return createControl( type );
}
 

public final Control [] getControls()
{
    if( _aControls != null )
    {
        return _aControls;
    }
    
    String[] names = getSupportedControlNames();
    _aControls = new Control [ names.length ];
    for( int i = 0; i < names.length; i++ )
    {
        System.out.println( "AK debug: the control " + names [i] + " was declared as supported" );
        System.out.flush();
        _aControls[ i ] = ( Control )_hControls.get( names[ i ] );
        
        if( _aControls[ i ] == null )
        {
            _aControls[ i ] = createControl( names[ i ] );
        }
        
        if( _aControls[ i ] == null )
        {
            throw new RuntimeException( 
                    "Failed to find native implementation of "
                    + names[ i ] + 
                    " which was declared to be supported" );
        }
        
    }
    
    return _aControls;
    
}
 

public Control[] getControls() {
/* Currently, the specification say, that controls may be get in unrealized 
   state, but in the proposals for JSR 234 (N20) suggested to forbid it. */
/*        if (state == UNREALIZED)
              throw new IllegalStateException("Invalid state: "  + state);*/
        Control[] result = new Control[controls.length];
        System.arraycopy(controls, 0, result, 0, controls.length);
        return result;
    }
 

private static Control getControl(Controllable player, String fullName) {
  Control control = player.getControl(fullName);
  if (control == null) {
    String shortName = fullName.substring(fullName.lastIndexOf('.') + 1);
    control = player.getControl(shortName);
  }
  return control;
}
 

private static Control getControl(Controllable player, String fullName) {
    Control control = player.getControl(fullName);
    if (control == null) {
        String shortName = fullName.substring(fullName.lastIndexOf('.') + 1);
        control = player.getControl(shortName);
    }
    return control;
}
 

public Control getCameraControl( DirectCamera cam )
{
    return null;
}
 

public Control[] getControls() {
    return _impl.getControls();
}
 

public Control getExposureControl( DirectPlayer p )
{
    return null;
}
 

public Control getFlashControl( DirectPlayer p )
{
    return null;
}
 

public Control getFocusControl( DirectCamera cam )
{
    return null;
}
 

public Control getSnapshotControl( DirectCamera cam )
{
    return null;
}
 

public Control getZoomControl( DirectPlayer p )
{
    return null;
}
 

public Control getImageFormatControl( DirectCamera cam )
{
    return null;
}
 

protected Control doGetControl(String type) {
    Control c = super.doGetControl(type);
    if (c == null) {
        if (type.startsWith(JSR234_CAMERA_PACKAGE_NAME)) {
            String camType = type.substring( 
                    JSR234_CAMERA_PACKAGE_NAME.length() );
            if( camType.equals( "CameraControl" ) )
            {
                if( null == _cameraControl )
                {
                    _cameraControl = 
                       Jsr234Proxy.getInstance().getCameraControl( this );
                }
                return _cameraControl;
            } else if( camType.equals( "ExposureControl" ) )
            {
                if( null == _exposureControl )
                {
                    _exposureControl = 
                      Jsr234Proxy.getInstance().getExposureControl( this );
                }
                return _exposureControl;
            } else if ( camType.equals( "FlashControl" ) )
            {
                if( null == _flashControl )
                {
                    _flashControl = 
                       Jsr234Proxy.getInstance().getFlashControl( this );
                }
                return _flashControl;
            } else if( camType.equals( "FocusControl" ) )
            {
                if( null == _focusControl )
                {
                    _focusControl = 
                       Jsr234Proxy.getInstance().getFocusControl( this );
                }
                return _focusControl;
            } else if( camType.equals( "SnapshotControl" ) )
            {
                if( null == _snapshotControl )
                {
                    _snapshotControl = 
                      Jsr234Proxy.getInstance().getSnapshotControl( this );
                }
                return _snapshotControl;
            } else if( camType.equals( "ZoomControl" ) )
            {
                if( null == _zoomControl )
                {
                    _zoomControl = 
                          Jsr234Proxy.getInstance().getZoomControl( this );
                }
                return _zoomControl;
            }
            
        } else if (type.equals( 
                "javax.microedition.amms.control.ImageFormatControl" )) {
            if( null == _imgFmtControl )
            {
                _imgFmtControl = 
                   Jsr234Proxy.getInstance().getImageFormatControl( this );
            }
            return _imgFmtControl;
        }
    }
    return c;
}
 

public Control getVideoControl() {
    return this;
}
 

public static Control[] getControls() {
    return GlobalMgrImpl.getInstance().getControls();
}
 

public static Control getControl(String controlType) {
    return GlobalMgrImpl.getInstance().getControl( controlType );
}
 

public Control getControl(String controlType) {
    return _impl.getControl( controlType );
}
 

public Control getTunerControl( DirectPlayer p )
{
    return null;
}
 

public Control getRDSControl( DirectPlayer p )
{
    return null;
}
 

protected void setControls(Control[] controls, String[] controlNames) {
    this.controls = controls;
    this.controlNames = controlNames;
}
 

@Override
public abstract Control getControl(String control);
 

@Override
public abstract Control[] getControls();
 

@Override
public Control[] getControls() {
	return new Control[0];
}
 

@Override
public Control getControl(String controlType) {
	return null;
}
 

public Control[] getControls() {
	return null;
}
 

public Control getControl(java.lang.String aControlType) {
	return null;
}