Java tutorial
/* * Copyright 2010 Daniel Kurka * * 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 com.googlecode.gwtphonegap.client; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.Timer; import com.google.web.bindery.event.shared.EventBus; import com.google.web.bindery.event.shared.HandlerRegistration; import com.google.web.bindery.event.shared.SimpleEventBus; import com.googlecode.gwtphonegap.client.accelerometer.Accelerometer; import com.googlecode.gwtphonegap.client.camera.Camera; import com.googlecode.gwtphonegap.client.capture.Capture; import com.googlecode.gwtphonegap.client.compass.Compass; import com.googlecode.gwtphonegap.client.connection.Connection; import com.googlecode.gwtphonegap.client.contacts.Contacts; import com.googlecode.gwtphonegap.client.device.Device; import com.googlecode.gwtphonegap.client.event.Event; import com.googlecode.gwtphonegap.client.file.File; import com.googlecode.gwtphonegap.client.geolocation.Geolocation; import com.googlecode.gwtphonegap.client.globalization.Globalization; import com.googlecode.gwtphonegap.client.inappbrowser.InAppBrowser; import com.googlecode.gwtphonegap.client.log.PhoneGapLog; import com.googlecode.gwtphonegap.client.log.PhoneGapLogStandardImpl; import com.googlecode.gwtphonegap.client.media.MediaModule; import com.googlecode.gwtphonegap.client.notification.Notification; import com.googlecode.gwtphonegap.client.plugins.PhoneGapPlugin; import com.googlecode.gwtphonegap.client.splashscreen.SplashScreen; import java.util.HashMap; import java.util.Map; public class PhoneGapStandardImpl implements PhoneGap { private static final int INIT_TICK = 10; private Device device; private Accelerometer accelerometer; private Camera camera; private Geolocation geolocation; private Notification notification; private Contacts contacts; private File file; private Connection connection; private Event event; private MediaModule mediaModule; private Compass compass; private Capture capture; private SplashScreen splashScreen; private InAppBrowser inAppBrowser; private Map<String, PhoneGapPlugin> plugins = new HashMap<String, PhoneGapPlugin>(); private boolean hasHandlers = false; private EventBus handlerManager = new SimpleEventBus(); private PhoneGapLogStandardImpl phoneGapLog; private boolean deviceReady; private Globalization globalization; public PhoneGapStandardImpl() { // log configures it self getLog(); setupReadyHook(); } public PhoneGapLog getLog() { if (phoneGapLog == null) { phoneGapLog = new PhoneGapLogStandardImpl(); } return phoneGapLog; } @Override public boolean isPhoneGapInitialized() { return deviceReady; } @Override public void initializePhoneGap() { initializePhoneGap(10000); } @Override public void initializePhoneGap(final int timeoutInMs) { final long end = System.currentTimeMillis() + timeoutInMs; if (isPhoneGapInitialized()) { firePhoneGapAvailable(); } else { Timer timer = new Timer() { @Override public void run() { if (isPhoneGapInitialized()) { firePhoneGapAvailable(); return; } if (System.currentTimeMillis() - end > 0) { handlerManager.fireEvent(new PhoneGapTimeoutEvent()); } else { schedule(INIT_TICK); } } }; timer.schedule(INIT_TICK); } } @Override public HandlerRegistration addHandler(PhoneGapAvailableHandler handler) { hasHandlers = true; return handlerManager.addHandler(PhoneGapAvailableEvent.TYPE, handler); } @Override public HandlerRegistration addHandler(PhoneGapTimeoutHandler handler) { hasHandlers = true; return handlerManager.addHandler(PhoneGapTimeoutEvent.TYPE, handler); } @Override public Device getDevice() { if (device == null) { device = constructDevice(); } return device; } @Override public Accelerometer getAccelerometer() { if (accelerometer == null) { accelerometer = constructAccelerometer(); } return accelerometer; } @Override public Camera getCamera() { if (camera == null) { camera = constructCamera(); } return camera; } @Override public Geolocation getGeolocation() { if (geolocation == null) { geolocation = constructGeolocation(); } return geolocation; } @Override public Notification getNotification() { if (notification == null) { notification = constructNotification(); } return notification; } private void firePhoneGapAvailable() { if (!getDevice().isAvailable()) { log("Device API is not available - logging will not work"); log("e.g.: plugman install --platform android --project ./platforms/android/ --plugin org.apache.cordova.device"); } else { phoneGapLog.setClientId(getDevice().getUuid()); } handlerManager.fireEvent(new PhoneGapAvailableEvent()); } @Override public Contacts getContacts() { if (contacts == null) { contacts = constructContacts(); } return contacts; } @Override public PhoneGapPlugin getPluginById(String id) { return plugins.get(id); } @Override public void loadPlugin(String id, PhoneGapPlugin instance) { if (plugins.containsKey(id)) { throw new IllegalStateException("id is already in use"); } plugins.put(id, instance); } @Override public File getFile() { if (file == null) { file = constructFile(); } return file; } @Override public Connection getConnection() { if (connection == null) { connection = constructConnection(); } return connection; } @Override public Event getEvent() { hasHandlers = true; if (event == null) { event = constructEvent(); } return event; } @Override public native boolean exitApp() /*-{ if ($wnd.navigator.app != null) { if ($wnd.navigator.app.exitApp != null) { $wnd.navigator.app.exitApp(); return true; } } return false; }-*/; @Override public MediaModule getMedia() { if (mediaModule == null) { mediaModule = constructMediaModule(); } return mediaModule; } @Override public Compass getCompass() { if (compass == null) { compass = constructCompass(); } return compass; } @Override public Capture getCapture() { if (capture == null) { capture = constructCapture(); } return capture; } @Override public SplashScreen getSplashScreen() { if (splashScreen == null) { splashScreen = constructSplashscreen(); } return splashScreen; } @Override public boolean isPhoneGapDevice() { return true; } protected Device constructDevice() { return GWT.create(Device.class); } protected Accelerometer constructAccelerometer() { return GWT.create(Accelerometer.class); } protected Camera constructCamera() { return GWT.create(Camera.class); } protected Geolocation constructGeolocation() { return GWT.create(Geolocation.class); } protected Notification constructNotification() { return GWT.create(Notification.class); } protected Capture constructCapture() { return GWT.create(Capture.class); } protected SplashScreen constructSplashscreen() { return GWT.create(SplashScreen.class); } protected Compass constructCompass() { return GWT.create(Compass.class); } protected MediaModule constructMediaModule() { return GWT.create(MediaModule.class); } protected Event constructEvent() { Event event = GWT.create(Event.class); event.setEventBus(handlerManager); return event; } protected Connection constructConnection() { return GWT.create(Connection.class); } protected File constructFile() { return GWT.create(File.class); } protected Contacts constructContacts() { return GWT.create(Contacts.class); } protected void nativeDeviceReady() { deviceReady = true; } private native void setupReadyHook() /*-{ var that = this; var f = function() { that.@com.googlecode.gwtphonegap.client.PhoneGapStandardImpl::nativeDeviceReady()(); }; $doc.addEventListener("deviceready", $entry(f), false); }-*/; @Override public void setEventBus(EventBus eventBus) { assert !hasHandlers : "The handlerManager can not be replaced because it has got handlers"; handlerManager = eventBus; // We force the event construction so as the app can add events directly // to the eventBus instead of through the phoneGap.getEvent() method; event = constructEvent(); } @Override public InAppBrowser getInAppBrowser() { if (inAppBrowser == null) { inAppBrowser = constructInAppBrowser(); } return inAppBrowser; } protected InAppBrowser constructInAppBrowser() { return GWT.create(InAppBrowser.class); } @Override public Globalization getGlobalization() { if (globalization == null) { globalization = constructGlobalization(); } return globalization; } protected Globalization constructGlobalization() { return GWT.create(Globalization.class); } protected native void log(String message) /*-{ $wnd.console.log(message); }-*/; }