/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program 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
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.midp.main;
import com.sun.midp.events.EventQueue;
import com.sun.midp.events.EventTypes;
import com.sun.midp.events.Event;
import com.sun.midp.events.NativeEvent;
import com.sun.midp.events.EventListener;
import com.sun.midp.log.Logging;
import com.sun.midp.log.LogChannels;
import com.sun.midp.configurator.Constants;
/**
* Provides initial event processing for MIDletProxyList.
* This class is a listener that receives events and redirects them to
* an appropriate MIDletControllerEventConsumer I/F implementor
* (typically it is MIDletProxyList).
*/
class MIDletControllerEventListener implements EventListener {
/** Consumer that will process events */
private MIDletControllerEventConsumer midletControllerEventConsumer;
/**
* Default package private constructor.
* Shall be called by MIDletProxyList.
* This object shall be instantiated in MIDletProxyList's constructor.
*
* @param eventQueue reference to the event queue
* @param theMIDletControllerEventConsumer comsumer that will process
* events received by this listener
*/
MIDletControllerEventListener(
EventQueue eventQueue,
MIDletControllerEventConsumer theMIDletControllerEventConsumer) {
midletControllerEventConsumer = theMIDletControllerEventConsumer;
eventQueue.registerEventListener(
EventTypes.MIDLET_CREATED_NOTIFICATION, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_ACTIVE_NOTIFICATION, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_PAUSED_NOTIFICATION, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_DESTROYED_NOTIFICATION, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_RS_PAUSED_NOTIFICATION, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_RESUME_REQUEST, this);
eventQueue.registerEventListener(
EventTypes.DISPLAY_CREATED_NOTIFICATION, this);
eventQueue.registerEventListener(
EventTypes.FOREGROUND_REQUEST_EVENT, this);
eventQueue.registerEventListener(
EventTypes.BACKGROUND_REQUEST_EVENT, this);
eventQueue.registerEventListener(
EventTypes.SHUTDOWN_EVENT, this);
eventQueue.registerEventListener(
EventTypes.SELECT_FOREGROUND_EVENT, this);
eventQueue.registerEventListener(
EventTypes.FOREGROUND_TRANSFER_EVENT, this);
eventQueue.registerEventListener(
EventTypes.SET_FOREGROUND_BY_NAME_REQUEST, this);
eventQueue.registerEventListener(
EventTypes.PREEMPT_EVENT, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_START_ERROR_EVENT, this);
eventQueue.registerEventListener(
EventTypes.MIDLET_DESTROY_REQUEST_EVENT, this);
eventQueue.registerEventListener(
EventTypes.ACTIVATE_ALL_EVENT, this);
eventQueue.registerEventListener(
EventTypes.PAUSE_ALL_EVENT, this);
eventQueue.registerEventListener(
EventTypes.FATAL_ERROR_NOTIFICATION, this);
}
/**
* Preprocess an event that is being posted to the event queue.
*
* @param event event being posted
*
* @param waitingEvent previous event of this type waiting in the
* queue to be processed
*
* @return true to allow the post to continue, false to not post the
* event to the queue
*/
public boolean preprocess(Event event, Event waitingEvent) {
return true;
}
/**
* Processes events.
* <p>
* Upon receiving a MIDlet created event a new MIDlet proxy will be
* added to the list and the midletAdded method of all listeners will be
* called with the new proxy.
* <p>
* Upon receiving a MIDlet destroyed event the MIDlet proxy corresponding
* to the destroyed MIDlet will be removed from the list and the
* midletRemoved method of all listeners
* will be called with the removed proxy.
* <p>
* Upon receiving a MIDlet paused event the MIDlet proxy corresponding
* to the paused MIDlet will have its midletState field set to
* PAUSED and the midletUpdated method of all listeners
* will be called with the updated proxy.
* <p>
* Upon receiving a foreground request event the MIDlet proxy corresponding
* to the MIDlet requesting to be moved to the foreground will have its
* wantsForeground field set to true and the midletUpdated method of all
* listeners will be called with the updated proxy.
* <p>
* Upon receiving a background request event the MIDlet proxy corresponding
* to the MIDlet requesting to be moved to the background will have its
* wantsForeground field set to false and the midletUpdated method of all
* listeners will be called with the updated proxy.
*
* @param event event to process
*/
public void process(Event event) {
try {
NativeEvent nativeEvent = (NativeEvent)event;
switch (nativeEvent.getType()) {
case EventTypes.SHUTDOWN_EVENT:
midletControllerEventConsumer.handleDestroyAllEvent();
return;
case EventTypes.SELECT_FOREGROUND_EVENT:
if (Constants.MEASURE_STARTUP) {
// IMPL_NOTE: Usually MIDlet is explicitly switched to
// background on a native event, e.g. HOME key pressing.
// The native event handling is correct place to count
// the time of background switching from. However, native
// events handling is platform dependent, and in this way
// we have to instrument lot of platform code. That's why
// we selected this place as the the first shared place
// to start the measuring from. The measured time is
// less than the time experienced by user by the time to
// map native event to MIDP SELECT_FOREGROUND_EVENT
System.err.println("Switch To Background Time: Begin at " +
System.currentTimeMillis());
}
midletControllerEventConsumer.
handleMIDletForegroundSelectEvent(nativeEvent.intParam1);
return;
case EventTypes.FOREGROUND_TRANSFER_EVENT:
midletControllerEventConsumer.
handleMIDletForegroundTransferEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1,
nativeEvent.intParam2,
nativeEvent.stringParam2);
return;
case EventTypes.SET_FOREGROUND_BY_NAME_REQUEST:
midletControllerEventConsumer.
handleSetForegroundByNameRequestEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1);
return;
case EventTypes.PREEMPT_EVENT:
if (nativeEvent.intParam2 != 0) {
midletControllerEventConsumer.
handleDisplayPreemptStartEvent(
nativeEvent.intParam1,
nativeEvent.intParam4);
} else {
midletControllerEventConsumer.
handleDisplayPreemptStopEvent(
nativeEvent.intParam1,
nativeEvent.intParam4);
}
return;
case EventTypes.MIDLET_CREATED_NOTIFICATION:
midletControllerEventConsumer.handleMIDletCreateNotifyEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1,
nativeEvent.intParam2,
nativeEvent.intParam3,
nativeEvent.stringParam2);
return;
case EventTypes.MIDLET_ACTIVE_NOTIFICATION:
midletControllerEventConsumer.handleMIDletActiveNotifyEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1);
return;
case EventTypes.MIDLET_PAUSED_NOTIFICATION:
midletControllerEventConsumer.handleMIDletPauseNotifyEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1);
return;
case EventTypes.MIDLET_DESTROYED_NOTIFICATION:
midletControllerEventConsumer.handleMIDletDestroyNotifyEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1);
return;
case EventTypes.MIDLET_RESUME_REQUEST:
midletControllerEventConsumer.handleMIDletResumeRequestEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1);
case EventTypes.MIDLET_RS_PAUSED_NOTIFICATION:
midletControllerEventConsumer.handleMIDletRsPauseNotifyEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1);
return;
case EventTypes.DISPLAY_CREATED_NOTIFICATION:
midletControllerEventConsumer.handleDisplayCreateNotifyEvent(
nativeEvent.intParam1,
nativeEvent.intParam2,
nativeEvent.stringParam1);
return;
case EventTypes.FOREGROUND_REQUEST_EVENT:
midletControllerEventConsumer.
handleDisplayForegroundRequestEvent(
nativeEvent.intParam1,
nativeEvent.intParam4,
(nativeEvent.intParam2 != 0));
return;
case EventTypes.BACKGROUND_REQUEST_EVENT:
midletControllerEventConsumer.
handleDisplayBackgroundRequestEvent(
nativeEvent.intParam1,
nativeEvent.intParam4);
return;
case EventTypes.MIDLET_START_ERROR_EVENT:
midletControllerEventConsumer.handleMIDletStartErrorEvent(
nativeEvent.intParam1,
nativeEvent.stringParam1,
nativeEvent.intParam2,
nativeEvent.intParam3,
nativeEvent.stringParam2);
return;
case EventTypes.MIDLET_DESTROY_REQUEST_EVENT:
midletControllerEventConsumer.handleMIDletDestroyRequestEvent(
nativeEvent.intParam1,
nativeEvent.intParam4);
return;
case EventTypes.ACTIVATE_ALL_EVENT:
midletControllerEventConsumer.handleActivateAllEvent();
return;
case EventTypes.PAUSE_ALL_EVENT:
midletControllerEventConsumer.handlePauseAllEvent();
return;
case EventTypes.FATAL_ERROR_NOTIFICATION:
midletControllerEventConsumer.handleFatalErrorNotifyEvent(
nativeEvent.intParam1,
nativeEvent.intParam4);
return;
default:
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(Logging.WARNING, LogChannels.LC_CORE,
"unknown event (" +
event.getType() + ")");
}
return;
}
} catch (Throwable t) {
if (Logging.TRACE_ENABLED) {
Logging.trace(t, "Error occurred processing MIDlet event " +
event.getType());
}
}
}
}
|
