- Prevent a deadlock when Zotero.wait() was called during initialization

- Don't spin Zotero.mainThread.processNextEvent() forever when translator could not be retrieved

chrome/content/zotero/xpcom/ipc.js

@@ -73,10 +73,17 @@ Zotero.IPC = new function() {
 			} else if(msg === "checkInitComplete") {
 				// The Firefox extension sends this to Standalone to tell Standalone to send an
 				// initComplete message when it is fully initialized
-				while(!Zotero.initialized) {
-					Zotero.mainThread.processNextEvent(true)
-				}
+				if(Zotero.initialized) {
 					Zotero.IPC.broadcast("initComplete");
+				} else {
+					var observerService = Components.classes["@mozilla.org/observer-service;1"]
+						.getService(Components.interfaces.nsIObserverService);
+					var _loadObserver = function() {
+						Zotero.IPC.broadcast("initComplete");
+						observerService.removeObserver(_loadObserver, "zotero-loaded");
+					};
+					observerService.addObserver(_loadObserver, "zotero-loaded", false);
+				}
 			} else if(msg === "initComplete") {
 				// Standalone sends this to the Firefox extension to let the Firefox extension
 				// know that Standalone has fully initialized and it should pull the list of

chrome/content/zotero/xpcom/translation/translate.js

@@ -349,7 +349,7 @@ Zotero.Translate.Sandbox = {
 					
 					Zotero.Translators.get(translation.translator[0], haveTranslatorFunction);
 					if(Zotero.isConnector && Zotero.isFx && !callback) {
-						while(!sandbox) {
+						while(!sandbox && translate._currentState) {
 							Zotero.mainThread.processNextEvent(true);
 						}
 					}

chrome/content/zotero/xpcom/zotero.js

@@ -459,6 +459,9 @@ if(appInfo.platformVersion[0] >= 2) {
 			observerService.notifyObservers(Zotero, "zotero-reloaded", null);
 		}
 		
+		Zotero.debug('Triggering "zotero-loaded" event');
+		observerService.notifyObservers(Zotero, "zotero-loaded", null);
+		
 		return true;
 	}