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/*
* Jitsi, 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.gui.main.call;
import java.awt.datatransfer.*;
import java.awt.im.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import net.java.sip.communicator.impl.gui.*;
import net.java.sip.communicator.impl.gui.main.contactlist.*;
import net.java.sip.communicator.service.gui.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.util.*;
import net.java.sip.communicator.util.swing.*;
/**
* A TransferHandler that we use to handle dropping of <tt>UIContact</tt>s or
* simple string addresses to an existing <tt>Call</tt>. Dropping of a such data
* in the <tt>CallDialog</tt> would result in the creation of a call conference.
*
* @author Yana Stamcheva
*/
public class CallTransferHandler
extends ExtendedTransferHandler
{
/**
* Serial version UID.
*/
private static final long serialVersionUID = 0L;
/**
* The data flavor used when transferring <tt>UIContact</tt>s.
*/
protected static final DataFlavor uiContactDataFlavor
= new DataFlavor(UIContact.class, "UIContact");
/**
* The logger.
*/
private static final Logger logger
= Logger.getLogger(CallTransferHandler.class);
/**
* The call corresponding to the transfer.
*/
private final Call call;
/**
* Creates an instance of <tt>CallTransferHandler</tt> by specifying the
* <tt>call</tt>, to which dragged callees will be added.
* @param call the call to which the dragged callees will be added
*/
public CallTransferHandler(Call call)
{
this.call = call;
}
/**
* Indicates whether a component will accept an import of the given
* set of data flavors prior to actually attempting to import it. We return
* <tt>true</tt> to indicate that the transfer with at least one of the
* given flavors would work and <tt>false</tt> to reject the transfer.
* <p>
* @param comp component
* @param flavor the data formats available
* @return true if the data can be inserted into the component, false
* otherwise
* @throws NullPointerException if <code>support</code> is {@code null}
*/
public boolean canImport(JComponent comp, DataFlavor flavor[])
{
for (int i = 0, n = flavor.length; i < n; i++)
{
if (flavor[i].equals(DataFlavor.stringFlavor)
|| flavor[i].equals(uiContactDataFlavor))
{
if (comp instanceof JPanel)
{
return true;
}
return false;
}
}
return false;
}
/**
* Handles transfers to the chat panel from the clip board or a
* DND drop operation. The <tt>Transferable</tt> parameter contains the
* data that needs to be imported.
* <p>
* @param comp the component to receive the transfer;
* @param t the data to import
* @return true if the data was inserted into the component and false
* otherwise
*/
public boolean importData(JComponent comp, Transferable t)
{
if (t.isDataFlavorSupported(uiContactDataFlavor))
{
Object o = null;
try
{
o = t.getTransferData(uiContactDataFlavor);
}
catch (UnsupportedFlavorException e)
{
if (logger.isDebugEnabled())
logger.debug("Failed to drop meta contact.", e);
}
catch (IOException e)
{
if (logger.isDebugEnabled())
logger.debug("Failed to drop meta contact.", e);
}
if (o instanceof ContactNode)
{
UIContact uiContact
= ((ContactNode) o).getContactDescriptor();
ProtocolProviderService callProvider
= call.getProtocolProvider();
Iterator<UIContactDetail> contactDetails
= uiContact.getContactDetailsForOperationSet(
OperationSetBasicTelephony.class).iterator();
String callee = null;
ProtocolProviderService provider = null;
while (contactDetails.hasNext())
{
UIContactDetail detail = contactDetails.next();
ProtocolProviderService detailProvider
= detail.getPreferredProtocolProvider(
OperationSetBasicTelephony.class);
if (detailProvider != null
/*&& detailProvider.equals(callProvider)*/)
{
callee = detail.getAddress();
provider = detailProvider;
break;
}
}
if (callee != null)
{
Map<ProtocolProviderService, List<String>> callees =
new HashMap<ProtocolProviderService, List<String>>();
List<String> lst = new ArrayList<String>();
lst.add(callee);
callees.put(provider, lst);
CallManager.inviteToCrossProtocolConferenceCall(
callees, call);
return true;
}
else
new ErrorDialog(null,
GuiActivator.getResources().getI18NString(
"service.gui.ERROR"),
GuiActivator.getResources().getI18NString(
"service.gui.CALL_NOT_SUPPORTING_PARTICIPANT",
new String[]{
callProvider.getAccountID().getService(),
callProvider.getAccountID().getUserID(),
uiContact.getDisplayName()}))
.showDialog();
}
}
else if (t.isDataFlavorSupported(DataFlavor.stringFlavor))
{
InputContext inputContext = comp.getInputContext();
if (inputContext != null)
{
inputContext.endComposition();
}
try
{
BufferedReader reader = new BufferedReader(
DataFlavor.stringFlavor.getReaderForText(t));
final StringBuffer buffToCall = new StringBuffer();
String str;
while ((str = reader.readLine()) != null)
buffToCall.append(str);
CallManager.inviteToConferenceCall(
new String[]{buffToCall.toString()}, call);
return true;
}
catch (UnsupportedFlavorException e)
{
if (logger.isDebugEnabled())
logger.debug("Failed to drop string.", e);
}
catch (IOException e)
{
if (logger.isDebugEnabled())
logger.debug("Failed to drop string.", e);
}
}
return false;
}
}
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