moz0804ex.txt

mozilla developer book examples.

SimpleComponent.prototype = {
    mName: "a default value"
    get yourName()        { return this.mName; },
    set yourName(aName)   { return this.mName = aName; },
    write: function () { dump("Hello " + this.mName + "\n"); },
    change: function (aValue) { this.mName = aValue; },
    QueryInterface: function (iid) {
      if (!iid.equals(Components.interfaces.nsISimple)
          && !iid.equals(Components.interfaces.nsISupports))
        throw Components.results.NS_ERROR_NO_INTERFACE;
      return this;
    }
}
var Module = {
  firstTime: true,
  registerSelf: function (compMgr, fileSpec, location, type) {
  if (this.firstTime) {
    dump("*** first time registration of Simple JS component\n");
    this.firstTime = false;
    throw Components.results.NS_ERROR_FACTORY_REGISTER_AGAIN;
  }
  dump(" ***** Registering: Simple JS component! ****\n");
  dump(" ***** Registering: Simple JS component! ****\n");
          this.myCID,
          "My JS Component",
          this.myProgID, fileSpec,
          location, true, true,
          type);
  },
  getClassObject : function (compMgr, cid, iid) {
    if (!cid.equals(this.myCID))
      throw Components.results.NS_ERROR_NO_INTERFACE
    if (!iid.equals(Components.interfaces.nsIFactory))
      throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
    return this.myFactory;
  },
  myCID: Components.ID("{98aa9afd-8b08-415b-91ed-01916a130d16}"),
  myProgID: "@mozilla.org/js_simple_component;1",
  myFactory: {
    createInstance: function (outer, iid) {
      dump("CI: " + iid + "\n");
      if (outer != null)
      if (outer != null)
      return (new SimpleComponent()).QueryInterface(iid);
    }
  },
  canUnload: function(compMgr) {
    dump("****** Unloading: Simple JS component! ****** \n");
    return true;
  }
}; // END Module

function NSGetModule(compMgr, fileSpec) { return Module; }