Dave Hoover
f32e7aa322
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6760 542714f4-19e9-0310-aa3c-eee0fc999fb1
98 lines
3.3 KiB
ActionScript
98 lines
3.3 KiB
ActionScript
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
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// http://code.google.com/p/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.crowd.client {
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import com.threerings.crowd.data.PlaceConfig;
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import com.threerings.crowd.data.PlaceObject;
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import com.threerings.crowd.util.CrowdContext;
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/**
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* Provides an extensible mechanism for encapsulating delegated
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* functionality that works with the place services.
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*
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* <p> Thanks to Java's lack of multiple inheritance, it will likely
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* become necessary to factor certain services that might be used by a
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* variety of {@link PlaceController} derived classes into delegate
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* classes because they do not fit into the single inheritance hierarchy
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* that makes sense for a particular application. To facilitate this
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* process, this delegate class is provided which the standard place
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* controller can be made to call out to for all of the standard methods.
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*/
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public class PlaceControllerDelegate
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{
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/**
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* Constructs the delegate with the controller for which it is
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* delegating.
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*/
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public function PlaceControllerDelegate (controller :PlaceController)
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{
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_controller = controller;
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}
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/**
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* Called to initialize the delegate.
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*/
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public function init (ctx :CrowdContext, config :PlaceConfig) :void
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{
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}
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/**
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* Called to let the delegate know that we're entering a place.
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*/
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public function willEnterPlace (plobj :PlaceObject) :void
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{
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}
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/**
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* Called before a request is submitted to the server to leave the
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* current place. The request to leave may be rejected, but if a place
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* controller needs to make a final communication to the place manager
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* before it leaves, it should so do here. This is the only place in
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* which the controller is guaranteed to be able to communicate to the
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* place manager, as by the time {@link #didLeavePlace} is called, the
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* place manager may have already been destroyed.
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*/
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public function mayLeavePlace (plobj :PlaceObject) :void
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{
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}
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/**
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* Called to let the delegate know that we've left the place.
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*/
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public function didLeavePlace (plobj :PlaceObject) :void
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{
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}
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/**
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* Called to give the delegate a chance to handle controller actions
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* that weren't handled by the main controller.
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*/
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public function handleAction (cmd :String, arg :Object) :Boolean
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{
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return false;
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}
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/** A reference to the controller for which we are delegating. */
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protected var _controller :PlaceController;
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}
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}
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