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do nothing when "browser-lastwindow-close-requested" is triggered

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User16
User16
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I am using services.jsm to addobserver "em-action-requested", "quit-application-granted", "quit-application-requested" : let { classes: Cc, interfaces: Ci, manager: Cm } = Components; 

 const {Services} = Components.utils.import('resource://gre/modules/Services.jsm');

function ConfigJS() { Services.obs.addObserver(this, "em-action-requested", false); Services.obs.addObserver(this, "quit-application-granted", false); Services.obs.addObserverr(this, "quit-application-requested", false); Services.obs.addObserver(this, "browser-lastwindow-close-requested", false); }


I want that when one of these actions is triggered, nothing happens (no execution of the code related to these actions). ConfigJS.prototype = { 

   observe: function (aSubject, topic, data) {

//do nothing }

does anyone have any idea how we can do this? Thank you

I am using services.jsm to addobserver "em-action-requested", "quit-application-granted", "quit-application-requested" : let { classes: Cc, interfaces: Ci, manager: Cm } = Components; const {Services} = Components.utils.import('resource://gre/modules/Services.jsm'); function ConfigJS() { Services.obs.addObserver(this, "em-action-requested", false); Services.obs.addObserver(this, "quit-application-granted", false); Services.obs.addObserverr(this, "quit-application-requested", false); Services.obs.addObserver(this, "browser-lastwindow-close-requested", false); } I want that when one of these actions is triggered, nothing happens (no execution of the code related to these actions). ConfigJS.prototype = { observe: function (aSubject, topic, data) { //do nothing } does anyone have any idea how we can do this? Thank you

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User16
User16 Utente che ha posto la domanda
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with an older version of Firefox, i am using nsIObserverService. and I was able to do that with this code : subject.QueryInterface(Components.interfaces.nsISupportsPRBool); subject.data = true;

So, is there an alternative to nsISupportsPRBool when i use services.jsm ?