source: Dev/trunk/src/client/dojox/mobile/app/SceneAssistant.js

dojo.provide("dojox.mobile.app.SceneAssistant");
dojo.experimental("dojox.mobile.app.SceneAssistant");

dojo.declare("dojox.mobile.app.SceneAssistant", null, {
        // summary:
        //              The base class for all scene assistants.

        constructor: function(){

        },

        setup: function(){
                // summary:
                //              Called to set up the widget.  The UI is not visible at this time

        },

        activate: function(params){
                // summary:
                //              Called each time the scene becomes visible.  This can be as a result
                //              of a new scene being created, or a subsequent scene being destroyed
                //              and control transferring back to this scene assistant.
                // params:
                //              Optional parameters, only passed when a subsequent scene pops itself
                //              off the stack and passes back data.
        },

        deactivate: function(){
                // summary:
                //              Called each time the scene becomes invisible.  This can be as a result
                //              of it being popped off the stack and destroyed,
                //              or another scene being created and pushed on top of it on the stack
        },

        destroy: function(){
        
                var children =
                        dojo.query("> [widgetId]", this.containerNode).map(dijit.byNode);
                dojo.forEach(children, function(child){ child.destroyRecursive(); });
        
                this.disconnect();
        },

        connect: function(obj, method, callback){
                if(!this._connects){
                        this._connects = [];
                }
                this._connects.push(dojo.connect(obj, method, callback));
        },

        disconnect: function(){
                dojo.forEach(this._connects, dojo.disconnect);
                this._connects = [];
        }
});