package org.litesoft.GWT.client.nonpublic;

import com.google.gwt.core.client.*;

public class NativeExtendedFamilyManagerSupport
{
    public static native int getWindowState( JavaScriptObject pWinHandle ) /*-{
        try
        {
            if ( !pWinHandle )
                return 1;
            if ( pWinHandle.closed )
                return 2;
        }
        catch ( e )
        {
            return 3;
        }
        return 0;
    }-*/;

    public static native String notifyNewDecendent( JavaScriptObject pAncestorWinHandle, String pWinName, JavaScriptObject pWinHandle ) /*-{
        try
        {
            if ( pAncestorWinHandle )
            {
                if ( pAncestorWinHandle.closed )
                {
                    return "notifyNewDecendent: Opener Closed";
                }
                pAncestorWinHandle.newDecendent(pWinName,pWinHandle);
                return "";
            }
            return "notifyNewDecendent: No Opener";
        }
        catch ( e )
        {
            return "notifyNewDecendent: " + e;
        }
    }-*/;

    public static native JavaScriptObject openNewWindow( String pUrl, String pWinName, String pLaunchAppParams ) /*-{
        var zWinHandle = $wnd.open( pUrl, pWinName, pLaunchAppParams );
        if ( zWinHandle )
        {
            if ( !zWinHandle.opener )
            {
                zWinHandle.opener = $wnd;
            }
            if ( !zWinHandle.closed )
            {
                try
                {
                    @org.litesoft.GWT.client.nonpublic.ExtendedFamilyManager::registerNewChildWindow(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(pWinName,zWinHandle);
                }
                catch ( e )
                {
                    alert( "openNewWindow -> registerNewChildWindow\n\n" + e );
                }
            }
        }
        return zWinHandle;
    }-*/;

    public static native void buildCurrentlyActiveDirectAncestry() /*-{
        var zOpener = $wnd.opener || null;
        var zDepth = 1;
        var zPhase = 1;
        try
        {
            while ( zOpener )
            {
                zPhase = 2;
                if ( zOpener.closed ) // JS documentation says this should be able to be called whenever!
                {
                    return;
                }
                zPhase = 3;
                @org.litesoft.GWT.client.nonpublic.ExtendedFamilyManager::registerAncestor(Lcom/google/gwt/core/client/JavaScriptObject;)(zOpener);
                zPhase = 4;
                zOpener = zOpener.opener || null;
                zDepth++;
                zPhase = 1;
            }
        }
        catch ( e )
        {
            alert( "buildAncestry( " + zDepth + " ):" + zPhase + "\n" + e );
        }
    }-*/;

    public static native void export() /*-{

        $wnd.getAncestorWinHandle = function(pAncestorIndex)
        {
            try
            {
                return @org.litesoft.GWT.client.nonpublic.ExtendedFamilyManager::getAncestor(Ljava/lang/Integer;)(pAncestorIndex);
            }
            catch ( e )
            {
                alert( "NativeClientEventBusSupport.getAncestorWinHandle\n\n" + e );
            }
        }
        $wnd.childAcknowledge = function(pWinName,pWinHandle)
        {
            try
            {
                return @org.litesoft.GWT.client.nonpublic.ExtendedFamilyManager::ackNewChildWindow(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(pWinName,pWinHandle);
            }
            catch ( e )
            {
                alert( "NativeClientEventBusSupport.childAcknowledge\n\n" + e );
            }
        }
        $wnd.newDecendent = function(pWinName,pWinHandle)
        {
            try
            {
                return @org.litesoft.GWT.client.nonpublic.ExtendedFamilyManager::newDecendentWindow(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(pWinName,pWinHandle);
            }
            catch ( e )
            {
                alert( "NativeClientEventBusSupport.newDecendent\n\n" + e );
            }
        }
    }-*/;

    /**
     * Just being a bit parnoid about avoiding memory leaks in IE...
     */
    public static native void dispose() /*-{
        $wnd.getAncestorWinHandle = null;
        $wnd.childAcknowledge = null;
        $wnd.newDecendent = null;
    }-*/;

    public static native JavaScriptObject getAncestorIndexedWinHandle( JavaScriptObject pAncestorWinHandle, Integer pIndex ) /*-{
        try
        {
            if ( pAncestorWinHandle )
            {
                if ( !pAncestorWinHandle.closed )
                {
                    return pAncestorWinHandle.getAncestorWinHandle(pIndex);
                }
                alert( "getAncestorIndexedWinHandle:\nClosed" );
                return null;
            }
            alert( "getAncestorIndexedWinHandle:\nNo Handle" );
            return null;
        }
        catch ( e )
        {
            alert( "getAncestorIndexedWinHandle:\n" + e );
            return null;
        }
    }-*/;
}