/*
* Copyright 2012 JBoss, a division of Red Hat Hat, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.demo.mobile.client.local;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import org.jboss.errai.demo.mobile.client.shared.AllClientOrientations;
import org.jboss.errai.demo.mobile.client.shared.Disconnected;
import org.jboss.errai.demo.mobile.client.shared.OrientationEvent;
import org.jboss.errai.ioc.client.api.EntryPoint;
import com.google.gwt.animation.client.AnimationScheduler;
import com.google.gwt.animation.client.AnimationScheduler.AnimationCallback;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.RootPanel;
/**
* Main application entry point.
*/
@EntryPoint
public class ClientMain {
@Inject OrientationDetector orientationDetector;
private WelcomeDialog welcomeDialog;
private final Map<String, PerspectiveAnimator> animators = new HashMap<String, PerspectiveAnimator>();
private final AnimationScheduler animScheduler = AnimationScheduler.get();
@PostConstruct
public void init() {
welcomeDialog = new WelcomeDialog(new Runnable() {
@Override
public void run() {
orientationDetector.setClientId(welcomeDialog.getNameBoxContents());
RootPanel.get("rootPanel").remove(welcomeDialog);
// TODO: could block startup using InitBallot/voteForInit()
GWT.log("Starting to poll for readiness! Orientation detector: " + orientationDetector);
// poll for readiness; when it's ready, start watching device orientation.
Timer t = new Timer() {
@Override
public void run() {
GWT.log("Orientation detector: " + orientationDetector);
if (orientationDetector.isReady()) {
orientationDetector.startFiringOrientationEvents();
} else {
schedule(100);
}
}
};
t.schedule(100);
}
});
RootPanel.get("rootPanel").add(welcomeDialog);
welcomeDialog.nameBox.setFocus(true);
animScheduler.requestAnimationFrame(new AnimationCallback() {
@Override
public void execute(double timestamp) {
for (PerspectiveAnimator animator : animators.values()) {
animator.nextFrame();
}
animScheduler.requestAnimationFrame(this);
}
});
}
public void visualizeOrientationEvent(OrientationEvent e) {
Element rotateMe = Document.get().getElementById("rotateMe-" + e.getClientId());
if (rotateMe == null) {
// must be a new client! We will clone the template for this new client.
Element template = Document.get().getElementById("rotateMeTemplate");
rotateMe = (Element) template.cloneNode(true);
rotateMe.setId("rotateMe-" + e.getClientId());
rotateMe.getFirstChildElement().setInnerText(e.getClientId());
template.getParentElement().appendChild(rotateMe);
}
PerspectiveAnimator animator = animators.get(e.getClientId());
if (animator == null) {
animator = new PerspectiveAnimator(rotateMe);
animators.put(e.getClientId(), animator);
}
animator.updateTargets(e);
}
public void onAllClientOrientationsUpdate(@Observes AllClientOrientations aco) {
for (OrientationEvent e : aco.getClientOrientations()) {
visualizeOrientationEvent(e);
}
}
public void onClientDisconnect(@Observes @Disconnected OrientationEvent e) {
Element rotateMe = Document.get().getElementById("rotateMe-" + e.getClientId());
if (rotateMe != null) {
rotateMe.getParentElement().removeChild(rotateMe);
}
animators.remove(e.getClientId());
}
}