michael@0: this.EXPORTED_SYMBOLS = [ "PromptUtils" ];
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cr = Components.results;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: this.PromptUtils = {
michael@0:     // Fire a dialog open/close event. Used by tabbrowser to focus the
michael@0:     // tab which is triggering a prompt.
michael@0:     // For remote dialogs, we pass in a different DOM window and a separate
michael@0:     // target. If the caller doesn't pass in the target, then we'll simply use
michael@0:     // the passed-in DOM window.
michael@0:     fireDialogEvent : function (domWin, eventName, maybeTarget) {
michael@0:         let target = maybeTarget || domWin;
michael@0:         let event = domWin.document.createEvent("Events");
michael@0:         event.initEvent(eventName, true, true);
michael@0:         let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
michael@0:                              .getInterface(Ci.nsIDOMWindowUtils);
michael@0:         winUtils.dispatchEventToChromeOnly(target, event);
michael@0:     },
michael@0: 
michael@0:     objectToPropBag : function (obj) {
michael@0:         let bag = Cc["@mozilla.org/hash-property-bag;1"].
michael@0:                   createInstance(Ci.nsIWritablePropertyBag2);
michael@0:         bag.QueryInterface(Ci.nsIWritablePropertyBag);
michael@0: 
michael@0:         for (let propName in obj)
michael@0:             bag.setProperty(propName, obj[propName]);
michael@0: 
michael@0:         return bag;
michael@0:     },
michael@0: 
michael@0:     propBagToObject : function (propBag, obj) {
michael@0:         // Here we iterate over the object's original properties, not the bag
michael@0:         // (ie, the prompt can't return more/different properties than were
michael@0:         // passed in). This just helps ensure that the caller provides default
michael@0:         // values, lest the prompt forget to set them.
michael@0:         for (let propName in obj)
michael@0:             obj[propName] = propBag.getProperty(propName);
michael@0:     },
michael@0: };