/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.textscreen.fb;
import java.util.Collection;
import org.apache.log4j.Logger;
import org.jnode.driver.Device;
import org.jnode.driver.DeviceManagerListener;
import org.jnode.driver.DeviceUtils;
import org.jnode.driver.textscreen.TextScreenManager;
import org.jnode.driver.video.FrameBufferAPI;
import org.jnode.driver.video.FrameBufferConfiguration;
import org.jnode.naming.InitialNaming;
/**
* @author Levente S\u00e1ntha
*/
class FBConsole {
private static final Logger log = Logger.getLogger(FBConsole.class);
public static void start() throws Exception {
final Collection<Device> devs = DeviceUtils.getDevicesByAPI(FrameBufferAPI.class);
int dev_count = devs.size();
if (dev_count > 0) {
startFBConsole(devs.iterator().next());
} else {
DeviceUtils.getDeviceManager().addListener(new DeviceManagerListener() {
public void deviceRegistered(Device device) {
if (device.implementsAPI(FrameBufferAPI.class)) {
startFBConsole(device);
}
}
public void deviceUnregister(Device device) {
// TODO stop the FBConsole
}
});
}
}
private static void startFBConsole(Device dev) {
FbTextScreenManager fbTsMgr = null;
try {
final FrameBufferAPI api = dev.getAPI(FrameBufferAPI.class);
final FrameBufferConfiguration conf = api.getConfigurations()[0];
fbTsMgr = new FbTextScreenManager(api, conf);
InitialNaming.unbind(TextScreenManager.NAME);
InitialNaming.bind(TextScreenManager.NAME, fbTsMgr);
} catch (Throwable ex) {
log.error("Error in FBConsole", ex);
if (fbTsMgr != null) {
log.info("Close graphics");
fbTsMgr.ownershipLost();
}
}
}
}