Ray Greenwell
ed1be4a0f2
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3950 542714f4-19e9-0310-aa3c-eee0fc999fb1
100 lines
3.4 KiB
ActionScript
100 lines
3.4 KiB
ActionScript
//
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// $Id: BasicDirector.java 3393 2005-03-10 02:06:43Z andrzej $
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.presents.client {
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import com.threerings.presents.util.PresentsContext;
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/**
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* Handles functionality common to nearly all client directors. They
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* generally need to be session observers so that they can set themselves
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* up when the client logs on (by overriding {@link #clientDidLogon}) and
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* clean up after themselves when the client logs off (by overriding
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* {@link #clientDidLogoff}).
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*/
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public class BasicDirector
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implements SessionObserver
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{
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/**
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* Derived directors will need to provide the basic director with a
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* context that it can use to register itself with the necessary
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* entities.
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*/
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public function BasicDirector (ctx :PresentsContext)
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{
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// save context
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_ctx = ctx;
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// listen for session start and end
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var client :Client = ctx.getClient();
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client.addClientObserver(this);
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// if we're already logged on, fire off a call to fetch services
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if (client.isLoggedOn()) {
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fetchServices(client);
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clientObjectUpdated(client);
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}
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}
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// documentation inherited from interface SessionObserver
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public function clientDidLogon (event :ClientEvent) :void
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{
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var client :Client = event.getClient();
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fetchServices(client);
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clientObjectUpdated(client);
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}
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// documentation inherited from interface SessionObserver
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public function clientObjectDidChange (event :ClientEvent) :void
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{
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clientObjectUpdated(event.getClient());
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}
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// documentation inherited from interface SessionObserver
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public function clientDidLogoff (event :ClientEvent) :void
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{
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}
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/**
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* Called in three circumstances: when a director is created and we've
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* already logged on; when we first log on and when the client object
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* changes after we've already logged on.
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*/
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protected function clientObjectUpdated (client :Client) :void
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{
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}
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/**
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* Derived directors can override this method and obtain any services
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* they'll need during their operation via calls to {@link
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* Client#getService}. If the director is available, it will automatically
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* be called when the client logs on or when the director is constructed
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* if it is constructed after the client is already logged on.
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*/
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protected function fetchServices (client :Client) :void
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{
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}
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/** The application context. */
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protected var _ctx :PresentsContext;
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}
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}
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