com.gwtmobile.phonegap.kitchensink.client.KitchenSink.java Source code

Introduction

Here is the source code for com.gwtmobile.phonegap.kitchensink.client.KitchenSink.java

Source

/* Copyright (c) 2010 Zhihua (Dennis) Jiang
 * 
 * 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.gwtmobile.phonegap.kitchensink.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.gwtmobile.phonegap.client.Device;
import com.gwtmobile.phonegap.client.Event;
import com.gwtmobile.phonegap.client.Event.Callback;
import com.gwtmobile.ui.client.page.Page;
import com.gwtmobile.ui.client.page.PageHistory;
import com.gwtmobile.ui.client.utils.Utils;
import com.gwtmobile.ui.client.widgets.Button;
import com.gwtmobile.ui.client.widgets.HeaderPanel;

public class KitchenSink implements EntryPoint {

    public static MainUi mainUi;

    @Override
    public void onModuleLoad() {

        if (Utils.isAndroid() || Utils.isIOS()) {

            if (Utils.isAndroid()) {
                Event.onBackButton(new Event.Callback() {
                    @Override
                    public void onEventFired() {
                        onBackKeyDown();
                    }
                });
            }

            Event.onDeviceReady(new Callback() {
                @Override
                public void onEventFired() {
                    new Timer() {
                        @Override
                        public void run() {
                            if (mainUi == null) {
                                Utils.Console("Loading main ui...");
                                mainUi = new MainUi();
                                Page.load(mainUi);
                            } else {
                                this.cancel();
                            }
                        }
                    }.scheduleRepeating(50);
                }
            });
        } else {
            mainUi = new MainUi();
            Page.load(mainUi);
        }
    }

    public void onBackKeyDown() {
        if (PageHistory.from() == null) {
            Device.exitApp();
        } else {
            if (!PageHistory.current().getClass().toString().endsWith(".EventUi")) {
                // emulate click on the header back button for page transition to show.
                emulateClickOnBackButton();
            }
        }
    }

    protected void emulateClickOnBackButton() {
        HTMLPanel current = (HTMLPanel) PageHistory.current().getWidget();
        HeaderPanel header = (HeaderPanel) current.getWidget(0);
        Button left = header.getLeftButton();
        NativeEvent event = Document.get().createClickEvent(1, 1, 1, 1, 1, false, false, false, false);
        left.getElement().dispatchEvent(event);
    }

    //    private native void doToast(String msg) /*-{
    //       $wnd.PhoneGap.exec(null, null, "GwtMobile", "toast", [msg]);
    //   }-*/; 
    //
    //    private native void requestFocus() /*-{
    //       $wnd.PhoneGap.exec(null, null, "GwtMobile", "requestFocus", []);
    //   }-*/; 

}