
/*
 * weinre is available under *either* the terms of the modified BSD license *or* the
 * MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
 * 
 * Copyright (c) 2010, 2011 IBM Corporation
 */

requireClass ./Ex
requireClass ./Weinre

//-----------------------------------------------------------------------------
class EventListeners
    this._listeners = []

//-----------------------------------------------------------------------------
method add(listener, useCapture)
    this._listeners.push([listener, useCapture])

//-----------------------------------------------------------------------------
method remove(listener, useCapture)
    for (var i=0; i<this._listeners.length; i++) {
        var listener = this._listeners[i]
        if (listener[0] != listener) continue;
        if (listener[1] != useCapture) continue;
        
        this._listeners.splice(i,1)
        return
    }

//-----------------------------------------------------------------------------
method fire(event)
    this._listeners.slice().forEach(function(listener) {
        var listener = listener[0]
        
        if (typeof listener == "function") {
            try {
                listener.call(null, event)
            }
            catch(e) {
                Weinre.logError(arguments.callee.signature + " invocation exception: " + e)
            }
            return
        }
        
        if (typeof listener.handleEvent != "function") {
            throw new Ex(arguments, "listener does not implement the handleEvent() method")
        }
        
        try {
            listener.handleEvent.call(listener, event)
        }
        catch(e) {
            Weinre.logError(arguments.callee.signature + " invocation exception: " + e)
        }
    })