/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (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.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 * Seth Spitzer <sspitzer@netscape.com>
 */

#include "nsISupports.idl"
#include "nsISupportsArray.idl"

interface nsIMsgWindow;
interface nsIMsgIncomingServer;
interface nsIRDFResource;
interface nsIRDFNode;

[scriptable, uuid(61a08c3a-1dd2-11b2-b64f-c4b2de1cf129)]
interface nsISubscribeDataSource : nsISupports {
    readonly attribute boolean hasObservers;
    void NotifyObservers(in nsIRDFResource subject, in nsIRDFResource property, in nsIRDFNode object, in boolean isAssert, in boolean isChange);
};

[scriptable, uuid(f337b84a-1dd1-11b2-97c7-fb8b2e3f2280)]
interface nsISubscribeListener : nsISupports {
	void OnDonePopulating();
};

[scriptable, uuid(6f9d2e82-1dd2-11b2-bbed-bbea41ca33a7)]
interface nsISubscribableServer : nsISupports {
	attribute nsISubscribeListener subscribeListener;
	attribute char delimiter;

	void startPopulating(in nsIMsgWindow aMsgWindow, in boolean forceToServer);
	void startPopulatingWithUri(in nsIMsgWindow aMsgWindow, in boolean forceToServer, in string uri);
    void stopPopulating(in nsIMsgWindow aMsgWindow);

    // return true if state changed, false otherwise
    boolean setState(in string path, in boolean state);

	void subscribeCleanup();

	void subscribe(in wstring name);
	void unsubscribe(in wstring name);

    void commitSubscribeChanges();

    // other stuff
	void setIncomingServer(in nsIMsgIncomingServer server);
	void addTo(in string aName, in boolean addAsSubscribed, in boolean changeIfExists);
	void setAsSubscribed(in string path);
	void updateSubscribed();
	void setShowFullName(in boolean showFullName);
 
    // if path is null, use the root
    boolean hasChildren(in string path);
    // if path is null, use the root
    boolean isSubscribed(in string path);
    // if path is null, use the root
    wstring getLeafName(in string path);
    // if path is null, use the root
    void getChildren(in string path, in nsISupportsArray array);
    // if path is null, use the root
    void getFirstChildURI(in string path, out string result);
};

