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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.galagonotification;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;
import net.java.sip.communicator.service.systray.*;
import net.java.sip.communicator.util.*;
/**
* Implements <tt>PopupMessageHandler</tt> according to the freedesktop.org
* Desktop Notifications spec.
*
* @author Lubomir Marinov
*/
public class GalagoPopupMessageHandler
extends AbstractPopupMessageHandler
{
/**
* The <tt>Logger</tt> used by the <tt>GalagoPopupMessageHandler</tt> class
* and its instances for logging output.
*/
private static final Logger logger
= Logger.getLogger(GalagoPopupMessageHandler.class);
/**
* The indicator which determines whether the freedesktop.org Desktop
* Notifications server has reported that it implements the "icon-static"
* hint and we have to send it the icons of the <tt>PopupMessage</tt>s for
* display.
*/
private final boolean iconStaticIsImplemented;
/**
* Initializes a new <tt>GalagoPopupMessageHandler</tt> instance with an
* indicator which determines whether the freedesktop.org Desktop
* Notifications server has reported that it implements the "icon-static"
* hint and the new instance has to send it the icons of the
* <tt>PopupMessage</tt>s for display.
*
* @param iconStaticIsImplemented <tt>true</tt> if the freedesktop.org
* Desktop Notifications server has reported that it implements the
* "icon-static" hint and the new instance has to send it the icons of the
* <tt>PopupMessage</tt>s for display; otherwise, <tt>false</tt> and the
* new instance will not send the icons of the <tt>PopupMessage</tt>s for
* display
*/
public GalagoPopupMessageHandler(boolean iconStaticIsImplemented)
{
this.iconStaticIsImplemented = iconStaticIsImplemented;
}
/**
* Gets the icon of the specified <tt>PopupMessage</tt> as a
* <tt>BufferedImage</tt> instance so that it can be sent to the
* freedesktop.org Desktop Notifications server for display.
*
* @param popupMessage the <tt>PopupMessage</tt> to get the icon of
* @return a <tt>BufferedIImage</tt> instance which represents the icon of
* <tt>popupMessage</tt> as reported by its {@link PopupMessage#getIcon()};
* <tt>null</tt> if it did not provide an icon or there was an error during
* the loading of the icon <tt>byte[]</tt> into a <tt>BufferedImage</tt>
* instance
*/
private BufferedImage getIcon(PopupMessage popupMessage)
{
byte[] iconBytes = popupMessage.getIcon();
BufferedImage icon = null;
if ((iconBytes != null) && (iconBytes.length > 0))
try
{
icon = ImageIO.read(new ByteArrayInputStream(iconBytes));
}
catch (IOException ioe)
{
logger
.error("Failed to create BufferedImage from byte[].", ioe);
}
/*
* TODO If icon is null, we may want to provide another icon. For
* example, the Swing notifications show the application icon in the
* case.
*/
return icon;
}
/**
* Returns the preference index of this <tt>PopupMessageHandler</tt> which
* indicates how many features it supports.
*
* @return the preference index of this <tt>PopupMessageHandler</tt> which
* indicates how many features it supports
* @see PopupMessageHandler#getPreferenceIndex()
*/
public int getPreferenceIndex()
{
int preferenceIndex = 1; // using a native popup mechanism
if (iconStaticIsImplemented)
++preferenceIndex; // showing images
return preferenceIndex;
}
/**
* Shows the title and the message of the specified <tt>PopupMessage</tt>.
*
* @param popupMessage the <tt>PopupMessage</tt> specifying the title and
* the message to be shown
* @see PopupMessageHandler#showPopupMessage(PopupMessage)
*/
public void showPopupMessage(PopupMessage popupMessage)
{
try
{
GalagoNotification
.notify(
GalagoNotificationActivator.dbusConnection,
null,
0,
iconStaticIsImplemented ? getIcon(popupMessage) : null,
popupMessage.getMessageTitle(),
popupMessage.getMessage(),
-1);
}
catch (DBusException dbe)
{
logger.error("Failed to show PopupMessage " + popupMessage, dbe);
}
}
/**
* Gets the human-readable localized description of this
* <tt>PopupMessageHandler</tt>.
*
* @return the human-readable localized description of this
* <tt>PopupMessageHandler</tt>
* @see PopupMessageHandler#toString()
*/
@Override
public String toString()
{
return
GalagoNotificationActivator
.getResources()
.getI18NString(
"impl.galagonotification.POPUP_MESSAGE_HANDLER");
}
}
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