mashTapeManager.js

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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://app/jsmodules/sbLibraryUtils.jsm");
Components.utils.import("resource://app/jsmodules/sbProperties.jsm");

const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;

const DESCRIPTION = "mashTape Manager";
const CID         = "{066D6E67-39FE-429B-80D8-99A1CEFF3934}";
const CONTRACTID  = "@songbirdnest.com/mashTape/manager;1";

function mashTapeManager() {
    this.wrappedJSObject = this;
    this._listeners = [];
}


mashTapeManager.prototype.constructor = mashTapeManager;
mashTapeManager.prototype = {
    classDescription: DESCRIPTION,
    classID:          Components.ID(CID),
    contractID:       CONTRACTID,
    QueryInterface: XPCOMUtils.generateQI([Ci.sbIMashTapeManager]),

    addListener : function(aListener) {
        if (!(aListener instanceof Ci.sbIMashTapeListener))
            throw Components.results.NS_ERROR_INVALID_ARG;

        if (this._listeners.indexOf(aListener) == -1) {
            this._listeners.push(aListener);
        }
    },
    
    removeListener : function(aListener) {
        var idx = this._listeners.indexOf(aListener);
        if (idx > -1)
            this._listeners.splice(idx, 1);
    },

    updateInfo : function(section, data) {
        try {
            this._listeners.forEach( function (listener) {
                listener.onInfoUpdated(section, data);
            });
        } catch (e) {
            dump("Error calling listener.onInfoUpdated: " + e + "\n");
        }
    },

    updatePhotos : function(photos, photoCount) {
        try {
            this._listeners.forEach( function (listener) {
                listener.onPhotosUpdated(photos, photoCount);
            });
        } catch (e) {
            dump("Error calling listener.onPhotosUpdated: " + e + "\n");
        }
    }
}

var components = [mashTapeManager];
function NSGetModule(compMgr, fileSpec) {
    return XPCOMUtils.generateModule([mashTapeManager]);
}