com.dimdim.ui.common.client.misc.JSInterface.java Source code

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Here is the source code for com.dimdim.ui.common.client.misc.JSInterface.java

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/*
 **************************************************************************
 *                                                                        *
 *               DDDDD   iii             DDDDD   iii                      *
 *               DD  DD      mm mm mmmm  DD  DD      mm mm mmmm           *
 *               DD   DD iii mmm  mm  mm DD   DD iii mmm  mm  mm          *
 *               DD   DD iii mmm  mm  mm DD   DD iii mmm  mm  mm          *
 *               DDDDDD  iii mmm  mm  mm DDDDDD  iii mmm  mm  mm          *
 *                                                                        *
 **************************************************************************
 **************************************************************************
 *                                                                        *
 * Part of the DimDim V 1.0 Codebase (http://www.dimdim.com)             *
 *                                                                        *
 * Copyright (c) 2006 Communiva Inc. All Rights Reserved.                 *
 *                                                                        *
 *                                                                        *
 * This code is licensed under the DimDim License                         *
 * For details please visit http://www.dimdim.com/license                 *
 *                                                                        *
 **************************************************************************
 */
package com.dimdim.ui.common.client.misc;

import java.util.HashMap;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;

public class JSInterface {
    private static boolean s_initialized = false;

    private static HashMap jsCallbackListeners = new HashMap();

    static {
        init();
    }

    public static void init() {
        if (!s_initialized) {
            jsInit();

            s_initialized = true;
        }
    }

    private static native void jsInit() /*-{
                                        if ($wnd.JSInterface === undefined)
                                        {
                                        $wnd.JSInterface = new Object();
                                        }  
                                            
                                        if (typeof JSInterface == "undefined")
                                        {
                                        JSInterface = $wnd.JSInterface;
                                        }
                                            
                                        JSInterface.callGWT = $wnd.JSInterface.callGWT = function(obj1,data1)
                                        {
                                        @com.dimdim.ui.common.client.misc.JSInterface::callGWT(Ljava/lang/String;Ljava/lang/String;)(""+obj1,""+data1);
                                        };
                                            
                                        JSInterface.callGWT2 = $wnd.JSInterface.callGWT2 = function(obj1,data1,data2)
                                        {
                                        @com.dimdim.ui.common.client.misc.JSInterface::callGWT2(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)(""+obj1,""+data1,""+data2);
                                        };
                                            
                                        JSInterface.callGWT3 = $wnd.JSInterface.callGWT3 = function(obj1,data1,data2,data3)
                                        {
                                        @com.dimdim.ui.common.client.misc.JSInterface::callGWT3(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)(""+obj1,""+data1,""+data2,""+data3);
                                        };
                                            
                                        }-*/;

    public static void addCallbackListener(JSCallbackListener jsCallbackListener) {
        JSInterface.init();
        if (JSInterface.s_initialized) {
            JSInterface.jsCallbackListeners.put(jsCallbackListener.getListenerName(), jsCallbackListener);
        }
    }

    public static void callGWT(String callerId, final String data) {
        //      Window.alert("JSInterface:callGWT: caller:"+callerId+", data:"+data);
        JSInterface.init();
        if (JSInterface.s_initialized) {
            final JSCallbackListener listener = (JSCallbackListener) jsCallbackListeners.get(callerId);
            if (listener != null) {
                Timer timer = new Timer() {
                    public void run() {
                        listener.handleCallFromJS(data);
                    }
                };
                timer.schedule(1);
            } else {
                //            Window.alert("No Listener available");
            }
        } else {
            //         Window.alert("JSInterface not initialized");
        }
    }

    public static void callGWT2(String callerId, final String data1, final String data2) {
        JSInterface.init();
        //      Window.alert("JSInterface:callGWT: caller:"+callerId+", data1:"+data1+", data2:"+data2);
        if (JSInterface.s_initialized) {
            final JSCallbackListener listener = (JSCallbackListener) jsCallbackListeners.get(callerId);
            if (listener != null) {
                Timer timer = new Timer() {
                    public void run() {
                        listener.handleCallFromJS2(data1, data2);
                    }
                };
                timer.schedule(1);
            } else {
                //            Window.alert("No Listener available");
            }
        } else {
            //         Window.alert("JSInterface not initialized");
        }
    }

    public static void callGWT3(String callerId, final String data1, final String data2, final String data3) {
        JSInterface.init();
        //      Window.alert("JSInterface:callGWT: caller:"+callerId+", data1:"+data1+", data2:"+data2+", data3:"+data3);
        if (JSInterface.s_initialized) {
            final JSCallbackListener listener = (JSCallbackListener) jsCallbackListeners.get(callerId);
            if (listener != null) {
                Timer timer = new Timer() {
                    public void run() {
                        listener.handleCallFromJS3(data1, data2, data3);
                    }
                };
                timer.schedule(1);
            } else {
                //            Window.alert("No Listener available");
            }
        } else {
            //         Window.alert("JSInterface not initialized");
        }
    }
}