nsforecastfox.js

南开火狐

 * @param     Component name.
 ******************************************************************************/
function ServiceBase(aName)
{
  this._name = aName;
  this._ifaces = [this.interfaceID, Ci.ffIService, 
                  Ci.nsIClassInfo, Ci.nsISupports];
  this._bundle = getBundle();  
  this._branch = getBranch(false, null);  
}
ServiceBase.prototype = {
  _name: null,
  _ifaces: null,
  _error: null,
  _bundle: null,
  _branch: null,
     
  ////////////////////////////////
  // nsISupports
  QueryInterface: function ServiceBase_QueryInterface(aIID)
  {
    var ifaces = this.getInterfaces({});
    for (var i=0; i<ifaces.length; i++) {
      if (aIID.equals(ifaces[i]))
        return this;
    }

    throw Cr.NS_ERROR_NO_INTERFACE;
  },
            
  ////////////////////////////////
  // nsIClassInfo
  getInterfaces: function ServiceBase_getInterfaces(aCount)
  {
    aCount.value = this._ifaces.length;
    return this._ifaces;
  },
  
  getHelperForLanguage: function ServiceBase_getHelperForLanguage(aLanguage) { return null; },
  get contractID() { return gComponents[this._name].contractID; },
  get classID() { return gComponents[this._name].classID; },
  get classDescription() { return gComponents[this._name].className; },
  get implementationLanguage() { return Ci.nsIProgrammingLanguage.JAVASCRIPT; },
  get flags() { return Ci.nsIClassInfo.SINGLETON; },
            
  ////////////////////////////////
  // ffIService
  
  /**
   * Initialize the component.  Called by the manager service.  Returns false
   * if component could not be loaded.  Chech the lastError property for
   * more information.
   */
  start: function ServiceBase_start() { return true; },
  
  /**
   * Destroy the component.  Called by the manager service.  This may be
   * called prior to start so it needs to be safe.
   */
  stop: function ServiceBase_stop() {},
      
  /**
   * Last error that occurred.
   */
  get lastError() { return this._error; },
  
  /**
   * The default string bundle.
   */
  get bundle() { return this._bundle; },
  
  /**
   * The default user prefernce branch.
   */
  get branch() { return this._branch; },
  
  ////////////////////////////////
  // Internal Functions
  
  /**
   * Helper property to get the main interface.
   */
  get interfaceID() { return gComponents[this._name].interfaceID; }   
};
 
/******************************************************************************
 * Make a component factory used in getClassObject of nsIModule interface.
 *
 * @param   Component constructor.
 * @return  an nsIFactory object.
 *****************************************************************************/  
function makeFactory(aConstructor)
{
  var factory = {
    QueryInterface: function factory_QueryInterface(aIID) 
    {
      if (!aIID.equals(Ci.nsISupports) &&
          !aIID.equals(Ci.nsIFactory))
        throw Cr.NS_ERROR_NO_INTERFACE;
          
      return this;
    },

    createInstance: function factory_createInstance(aOuter, aIID) 
    {
      if (aOuter != null)
        throw Cr.NS_ERROR_NO_AGGREGATION;
       
      return (new aConstructor()).QueryInterface(aIID);
    },
    
    lockFactory: function factory_lockFactory(aLock)
    {
      throw Cr.NS_ERROR_NOT_IMPLEMENTED;
    }
  };

  //return the factory object
  return factory;    
}

/******************************************************************************
 * Load a components script.
 *
 * @param   URL of the script file to load.
 *****************************************************************************/  
function loadScript(aURL)
{  
  //get script loader
  var loader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
               getService(Ci.mozIJSSubScriptLoader);
                                   
  //load the script
  loader.loadSubScript(aURL, null);
}
 
/******************************************************************************
 * Registration data
 *****************************************************************************/
var gComponents = {
                       
  ErrorItem: {
    classID: Components.ID("{05B9426A-EC5D-4327-99B9-7926AD8491A1}"),
    className: "Forecastfox Error Item",
    contractID: "@ensolis.com/forecastfox/error-item;1",
    interfaceID: Ci.ffIErrorItem,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/utilities/error-item.js",
    constructor: "ErrorItem"
  },
  
  DiskService: {
    classID: Components.ID("{4386D2C0-560C-45f9-A55F-413FEE243F3D}"),
    className: "Forecastfox Disk I/O Service",
    contractID: "@ensolis.com/forecastfox/disk-service;1",
    interfaceID: Ci.ffIDiskService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/utilities/disk-service.js",
    constructor: "DiskService"
  },
    
  PingService: {
    classID: Components.ID("{0FF66E5D-62B3-4ed2-BF9B-21FCA2CBD357}"),
    className: "Forecastfox Ping Service",
    contractID: "@ensolis.com/forecastfox/ping-service;1", 
    interfaceID: Ci.ffIPingService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/utilities/ping-service.js",
    constructor: "PingService"
  },
                               
  ResolverItem: {
    classID: Components.ID("{0B770FA3-40C6-4a37-806E-6A47E0FFADAE}"),
    className: "Forecastfox Namespace Resolver Item",
    contractID: "@ensolis.com/forecastfox/resolver-item;1", 
    interfaceID: Ci.nsIDOMXPathNSResolver,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/parser/resolver-item.js",
    constructor: "ResolverItem"
  },
                      
  ConverterItem: {
    classID: Components.ID("{A8102480-27EA-432a-AC68-5161B3E45CC0}"),
    className: "Forecastfox Converter Item",
    contractID: "@ensolis.com/forecastfox/converter-item;1", 
    interfaceID: Ci.ffIConverterItem,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/parser/converter-item.js",
    constructor: "ConverterItem"
  },
                   
  ConverterService: {
    classID: Components.ID("{0DEC2682-40DB-4b51-A1E5-085991D800D9}"),
    className: "Forecastfox Converter Service",
    contractID: "@ensolis.com/forecastfox/converter-service;1", 
    interfaceID: Ci.ffIConverterService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/parser/converter-service.js",
    constructor: "ConverterService"
  },
                       
  ParserItem: {
    classID: Components.ID("{FC48D906-4F00-4ee0-A035-DEE0CE5AFB9D}"),
    className: "Forecastfox Parser Item",
    contractID: "@ensolis.com/forecastfox/parser-item;1", 
    interfaceID: Ci.ffIParserItem,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/parser/parser-item.js",
    constructor: "ParserItem"
  },
                   
  ParserService: {
    classID: Components.ID("{1CE4E984-6F2A-4ac8-BE74-8E47C0F4B445}"),
    className: "Forecastfox Parser Service",
    contractID: "@ensolis.com/forecastfox/parser-service;1", 
    interfaceID: Ci.ffIParserService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/parser/parser-service.js",
    constructor: "ParserService"
  },
  
  ProfileItem: {
    classID: Components.ID("{F41536F9-D435-42fe-A362-32217C972418}"),
    className: "Forecastfox Profile Item",
    contractID: "@ensolis.com/forecastfox/profile-item;1", 
    interfaceID: Ci.ffIProfileItem,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/profiles/profile-item.js",
    constructor: "ProfileItem"
  },   
                   
  ProfileService: {
    classID: Components.ID("{01F8B6C4-F9E1-4dc8-A980-5A9985CD4111}"),
    className: "Forecastfox Profile Service",
    contractID: "@ensolis.com/forecastfox/profile-service;1", 
    interfaceID: Ci.ffIProfileService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/profiles/profile-service.js",
    constructor: "ProfileService"
  },
                   
  MigratorService: {
    classID: Components.ID("{E938FEBC-166F-498c-A35E-654BB0E2DE7E}"),
    className: "Forecastfox Migrator Service",
    contractID: "@ensolis.com/forecastfox/migrator-service;1", 
    interfaceID: Ci.ffIMigratorService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/profiles/migrator-service.js",
    constructor: "MigratorService"
  },
   
  IconItem: {
    classID: Components.ID("{B1DB225E-C16C-452f-B042-F917732D9C2E}"),
    className: "Forecastfox Icon Item",
    contractID: "@ensolis.com/forecastfox/icon-item;1", 
    interfaceID: Ci.ffIIconItem,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/icons/icon-item.js",
    constructor: "IconItem"
  },
                       
  PackItem: {
    classID: Components.ID("{0666DE3E-4F11-4e0f-9154-894DAA76CC6E}"),
    className: "Forecastfox Pack Item",
    contractID: "@ensolis.com/forecastfox/pack-item;1",
    interfaceID: Ci.ffIPackItem,
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/icons/pack-item.js",
    constructor: "PackItem"
  },                              
  
  PackService: {
    classID: Components.ID("{0AC191C4-F5C5-4590-B95D-46602B430598}"),
    className: "Forecastfox Icon Pack Service",
    contractID: "@ensolis.com/forecastfox/pack-service;1", 
    interfaceID: Ci.ffIPackService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/icons/pack-service.js",
    constructor: "PackService"
  },
    
  WebService: {
    classID: Components.ID("{9172437D-0D7D-4f86-B3E9-0D57AAFA541C}"),
    className: "Forecastfox Web Service",
    contractID: "@ensolis.com/forecastfox/web-service;1", 
    interfaceID: Ci.ffIWebService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/icons/web-service.js",
    constructor: "WebService",
    category: "JavaScript global property",
    entry: "forecastfox"
  },
                                                             
  ManagerService: {
    classID: Components.ID("{5ADF9E4D-EAA6-4223-853D-D932060094E0}"),
    className: "Forecastfox Manager Service",
    contractID: "@ensolis.com/forecastfox/manager-service;1", 
    interfaceID: Ci.ffIManagerService, 
    scriptLoaded: false,
    scriptURL: "chrome://forecastfox/content/utilities/manager-service.js",
    constructor: "ManagerService"
  }    
};

/******************************************************************************
 * Object that implements the nsIModule interface
 *****************************************************************************/
var gModule = {

  registerSelf: function gModule_registerSelf(aCompMgr, aFileSpec, aLocation, aType) 
  {      
    //get the component registrar
    var compMgr = aCompMgr.QueryInterface(Ci.nsIComponentRegistrar);
    
    //get the category manager
    var catMgr = Cc["@mozilla.org/categorymanager;1"].
                 getService(Ci.nsICategoryManager);
                 
    //loop through components registration data             
    for (var name in gComponents) {
      var comp = gComponents[name];

      //register factory location
      compMgr.registerFactoryLocation(comp.classID, comp.className, 
                                      comp.contractID, aFileSpec,
                                      aLocation, aType); 
      
      //register category                                
      if (comp.hasOwnProperty("category"))
        catMgr.addCategoryEntry(comp.category, comp.entry, 
                                comp.contractID, true, true);                                      
                                                           
    }
  },

  unregisterSelf: function gModule_unregisterSelf(aCompMgr, aLocation, aType)
  {
    //get the component registrar  
    var compMgr = aCompMgr.QueryInterface(Ci.nsIComponentRegistrar);
    
    //get the category manager
    var catMgr = Cc["@mozilla.org/categorymanager;1"].
                 getService(Ci.nsICategoryManager);
                                      
    //loop through components registration data             
    for (var name in gComponents) {
      var comp = gComponents[name];
      
      //unregister factory location
      compMgr.unregisterFactoryLocation(comp.classID, aLocation);  
      
      //unregister category                                
      if (comp.hasOwnProperty("category"))      
        catMgr.deleteCategoryEntry(comp.category, comp.entry,
                                   comp.contractID, true);                                         
    }        
  },
  
  getClassObject: function gModule_getClassObject(aCompMgr, aCID, aIID) 
  {
    //throw if not requesting a factory
    if (!aIID.equals(Ci.nsIFactory))
      throw Cr.NS_ERROR_NOT_IMPLEMENTED;
      
    //loop through components registration data             
    for (var name in gComponents) {
      var comp = gComponents[name];

      //component matches  
      if (aCID.equals(comp.classID)) {
        
        //load the script if it isn't loaded
        if (!comp.scriptLoaded) {
          loadScript(comp.scriptURL);
          comp.scriptLoaded = true;
        }
            
        //return factory
        return makeFactory(eval(comp.constructor));
      }
    }
    
    //throw if not found
    throw Cr.NS_ERROR_NO_INTERFACE;
  },

  canUnload: function gModule_canUnload(compMgr) { return true; }
};

/******************************************************************************
 * Module entry point
 *****************************************************************************/
function NSGetModule(compMgr, fileSpec) 
{
  return gModule;
}