package textbender.o.rhinohide.core; // Copyright 2006-2007, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Textbender Software"), to deal in the Textbender Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Textbender Software, and to permit persons to whom the Textbender Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Textbender Software. THE TEXTBENDER SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE TEXTBENDER SOFTWARE OR THE USE OR OTHER DEALINGS IN THE TEXTBENDER SOFTWARE.

import netscape.javascript.JSObject;
import org.w3c.dom.*;
import textbender.g.lang.ThreadSafe;
import textbender.o.rhinohide.*;


/** A DOM implementation as an overlay of a JavaScript DOM implementation.
  */
@ThreadSafe final class RhiDOMImplementation extends Rhinohide implements DOMImplementation
{


    /** Constructs a RhiDOMImplementation.
      *
      *     @param window global object
      *     @param jsObject bridge to underlying JavaScript DOM implementation,
      *         per {@linkplain Rhinohide#jsObject() jsObject}()
      *
      *     @return DOM implementation, or null if jsObject is null
      */
    public static RhiDOMImplementation wrapDOMImplementation( RhiWindow window, JSObject jsObject )
    {
        if( jsObject == null ) return null;

        return new RhiDOMImplementation( window, jsObject );
    }



    private RhiDOMImplementation( RhiWindow window, JSObject jsObject ) { super( window, jsObject ); }



   // - D O M - I m p l e m e n t a t i o n ----------------------------------------------


    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public Document createDocument( String namespaceURI, String qualifiedName, DocumentType doctype ) { throw new UnsupportedOperationException(); }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public DocumentType createDocumentType( String qualifiedName, String publicId, String systemId ) { throw new UnsupportedOperationException(); }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public Object getFeature( String feature, String version ) { throw new UnsupportedOperationException(); }



    public boolean hasFeature( String feature, String version )
    {
        checkFormatOfFeatureVersion( version );
        return (Boolean)callV( "hasFeature", feature, version );
    }



//// P r i v a t e ///////////////////////////////////////////////////////////////////////


    static void checkFormatOfFeatureVersion( String version )
    {
        assert version != null : "feature version is non-null (use empty string \"\" instead, or IE7 fails)"; // JSObject bridge throws JSException "Invalid argument" (with no stack trace information!) on http://reluk.ca/system/host/tinman/windows-update-2007-04.xht#ie
    }



}