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/*
* SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.neomedia;
import java.util.*;
import javax.swing.table.*;
import net.java.sip.communicator.impl.neomedia.codec.*;
import net.java.sip.communicator.impl.neomedia.format.*;
import net.java.sip.communicator.service.neomedia.*;
import net.java.sip.communicator.service.neomedia.format.*;
/**
* Implements {@link TableModel} for {@link EncodingConfiguration}.
*
* @author Lyubomir Marinov
*/
public class EncodingConfigurationTableModel
extends AbstractTableModel
{
private final EncodingConfiguration encodingConfiguration;
private MediaFormat[] encodings;
private final MediaType type;
public EncodingConfigurationTableModel(
EncodingConfiguration encodingConfiguration, int type)
{
if (encodingConfiguration == null)
throw new IllegalArgumentException("encodingConfiguration");
this.encodingConfiguration = encodingConfiguration;
switch (type)
{
case DeviceConfigurationComboBoxModel.AUDIO:
this.type = MediaType.AUDIO;
break;
case DeviceConfigurationComboBoxModel.VIDEO:
this.type = MediaType.VIDEO;
break;
default:
throw new IllegalArgumentException("type");
}
}
@Override
public Class<?> getColumnClass(int columnIndex)
{
return
(columnIndex == 0)
? Boolean.class
: super.getColumnClass(columnIndex);
}
public int getColumnCount()
{
return 2;
}
private MediaFormat[] getEncodings()
{
if (encodings != null)
return encodings;
MediaFormat[] availableEncodings
= encodingConfiguration.getAvailableEncodings(type);
int encodingCount = availableEncodings.length;
if (encodingCount < 1)
encodings = MediaUtils.EMPTY_MEDIA_FORMATS;
else
{
/*
* The MediaFormats will be displayed by encoding (name) and clock
* rate and EncodingConfiguration will store them that way so this
* TableModel should better display unique encoding-clock rate
* pairs.
*/
HashMap<String, MediaFormat> availableEncodingSet
= new HashMap<String, MediaFormat>();
for (MediaFormat availableEncoding : availableEncodings)
{
availableEncodingSet.put(
availableEncoding.getEncoding()
+ "/"
+ availableEncoding.getClockRateString(),
availableEncoding);
}
availableEncodings
= availableEncodingSet.values().toArray(
MediaUtils.EMPTY_MEDIA_FORMATS);
encodingCount = availableEncodings.length;
encodings = new MediaFormat[encodingCount];
System
.arraycopy(availableEncodings, 0, encodings, 0, encodingCount);
// Display the encodings in decreasing priority.
Arrays
.sort(encodings, 0, encodingCount, new Comparator<MediaFormat>()
{
public int compare(MediaFormat format0, MediaFormat format1)
{
int ret
= encodingConfiguration.getPriority(format1)
- encodingConfiguration.getPriority(format0);
if (ret == 0)
{
/*
* In the cases of equal priorities, display them
* sorted by encoding name in increasing order.
*/
ret
= format0.getEncoding().compareToIgnoreCase(
format1.getEncoding());
if (ret == 0)
{
/*
* In the cases of equal priorities and equal
* encoding names, display them sorted by clock
* rate in decreasing order.
*/
ret
= Double.compare(
format1.getClockRate(),
format0.getClockRate());
}
}
return ret;
}
});
}
return encodings;
}
private int[] getPriorities()
{
MediaFormat[] encodings = getEncodings();
final int count = encodings.length;
int[] priorities = new int[count];
for (int i = 0; i < count; i++)
{
int priority = encodingConfiguration.getPriority(encodings[i]);
priorities[i] = (priority > 0) ? (count - i) : 0;
}
return priorities;
}
public int getRowCount()
{
return getEncodings().length;
}
public Object getValueAt(int rowIndex, int columnIndex)
{
MediaFormat encoding = getEncodings()[rowIndex];
switch (columnIndex)
{
case 0:
return (encodingConfiguration.getPriority(encoding) > 0);
case 1:
if (MediaType.VIDEO.equals(encoding.getMediaType())
&& (VideoMediaFormatImpl.DEFAULT_CLOCK_RATE
== encoding.getClockRate()))
return encoding.getEncoding();
else
{
String e = encoding.getEncoding();
/*
* RFC 1890 erroneously assigned 8 kHz to the RTP clock rate for
* the G722 payload format. The actual sampling rate for G.722
* audio is 16 kHz.
*/
double cr
= "G722".equalsIgnoreCase(e)
? 16000
: encoding.getClockRate();
return e + "/" + ((long) cr);
}
default:
return null;
}
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex)
{
return (columnIndex == 0);
}
public int move(int rowIndex, boolean up)
{
if (up)
{
if (rowIndex <= 0)
throw new IllegalArgumentException("rowIndex");
return move(rowIndex - 1, false) - 1;
}
if (rowIndex >= (getRowCount() - 1))
throw new IllegalArgumentException("rowIndex");
int[] priorities = getPriorities();
final int nextRowIndex = rowIndex + 1;
if (priorities[rowIndex] > 0)
priorities[rowIndex] = priorities.length - nextRowIndex;
if (priorities[nextRowIndex] > 0)
priorities[nextRowIndex] = priorities.length - rowIndex;
setPriorities(priorities);
MediaFormat swap = encodings[rowIndex];
encodings[rowIndex] = encodings[nextRowIndex];
encodings[nextRowIndex] = swap;
fireTableRowsUpdated(rowIndex, nextRowIndex);
return nextRowIndex;
}
private void setPriorities(int[] priorities)
{
final int count = encodings.length;
if (priorities.length != count)
throw new IllegalArgumentException("priorities");
for (int i = 0; i < count; i++)
encodingConfiguration.setPriority(encodings[i], priorities[i]);
}
@Override
public void setValueAt(Object value, int rowIndex, int columnIndex)
{
if ((columnIndex == 0) && (value instanceof Boolean))
{
int[] priorities = getPriorities();
priorities[rowIndex]
= ((Boolean) value) ? (priorities.length - rowIndex) : 0;
setPriorities(priorities);
fireTableCellUpdated(rowIndex, columnIndex);
}
}
}
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