Don't load bundled files in Standalone until UI is ready

chrome/content/zotero/xpcom/schema.js

@@ -88,7 +88,7 @@ Zotero.Schema = new function(){
 			Zotero.debug('Database does not exist -- creating\n');
 			return _initializeSchema()
 			.then(function() {
-				Zotero.initializationPromise
+				(Zotero.isStandalone ? Zotero.uiReadyPromise : Zotero.initializationPromise)
 				.then(1000)
 				.then(function () {
 					return Zotero.Schema.updateBundledFiles();
@@ -182,7 +182,9 @@ Zotero.Schema = new function(){
 		// Reset sync queue tries if new version
 		yield _checkClientVersion();
 		
-		Zotero.initializationPromise
+		// In Standalone, don't load bundled files until after UI is ready. In Firefox, load them as
+		// soon initialization is done so that translation works before the Zotero pane is opened.
+		(Zotero.isStandalone ? Zotero.uiReadyPromise : Zotero.initializationPromise)
 		.then(1000)
 		.then(function () {
 			return Zotero.Schema.updateBundledFiles();

chrome/content/zotero/xpcom/zotero.js

@@ -93,10 +93,12 @@ Components.utils.import("resource://gre/modules/osfile.jsm");
 	this.closing = false;
 	
 	
-	this.initializationDeferred;
-	this.initializationPromise;
 	this.unlockDeferred;
 	this.unlockPromise;
+	this.initializationDeferred;
+	this.initializationPromise;
+	this.objectInitializationDeferred;
+	this.objectInitializationPromise;
 	
 	this.hiDPISuffix = "";
 	
@@ -129,6 +131,7 @@ Components.utils.import("resource://gre/modules/osfile.jsm");
 	 */
 	var _runningTimers = new Map();
 	
+	var _startupTime = new Date();
 	// Errors that were in the console at startup
 	var _startupErrors = [];
 	// Number of errors to maintain in the recent errors buffer
@@ -146,9 +149,11 @@ Components.utils.import("resource://gre/modules/osfile.jsm");
 			return false;
 		}
 		
+		this.locked = true;
 		this.initializationDeferred = Zotero.Promise.defer();
 		this.initializationPromise = this.initializationDeferred.promise;
-		this.locked = true;
+		this.uiReadyDeferred = Zotero.Promise.defer();
+		this.uiReadyPromise = this.uiReadyDeferred.promise;
 		
 		// Add a function to Zotero.Promise to check whether a value is still defined, and if not
 		// to throw a specific error that's ignored by the unhandled rejection handler in
@@ -429,6 +434,14 @@ Components.utils.import("resource://gre/modules/osfile.jsm");
 	}
 	
 	
+	this.uiIsReady = function () {
+		if (this.uiReadyPromise.isPending()) {
+			Zotero.debug("User interface ready in " + (new Date() - _startupTime) + " ms");
+			this.uiReadyDeferred.resolve();
+		}
+	};
+	
+	
 	var _addToolbarIcon = function () {
 		if (Zotero.isStandalone) return;
 		

chrome/content/zotero/zoteroPane.js

@@ -1138,17 +1138,24 @@ var ZoteroPane = new function()
 	});
 	
 	
+	this.tagSelectorShown = function () {
+		var collectionTreeRow = this.getCollectionTreeRow();
+		if (!collectionTreeRow) return;
+		var tagSelector = document.getElementById('zotero-tag-selector');
+		return !tagSelector.getAttribute('collapsed')
+			|| tagSelector.getAttribute('collapsed') == 'false';
+	};
+	
+	
 	/*
 	 * Set the tags scope to the items in the current view
 	 *
 	 * Passed to the items tree to trigger on changes
 	 */
 	this.setTagScope = Zotero.Promise.coroutine(function* () {
-		var collectionTreeRow = self.getCollectionTreeRow();
+		var collectionTreeRow = this.getCollectionTreeRow();
-		if (!collectionTreeRow) return;
 		var tagSelector = document.getElementById('zotero-tag-selector');
-		if (!tagSelector.getAttribute('collapsed') ||
+		if (this.tagSelectorShown()) {
-				tagSelector.getAttribute('collapsed') == 'false') {
 			Zotero.debug('Updating tag selector with current tags');
 			if (collectionTreeRow.editable) {
 				tagSelector.mode = 'edit';
@@ -1157,7 +1164,7 @@ var ZoteroPane = new function()
 				tagSelector.mode = 'view';
 			}
 			tagSelector.collectionTreeRow = collectionTreeRow;
-			tagSelector.updateScope = self.setTagScope;
+			tagSelector.updateScope = () => this.setTagScope();
 			tagSelector.libraryID = collectionTreeRow.ref.libraryID;
 			tagSelector.scope = yield collectionTreeRow.getChildTags();
 		}
@@ -1224,7 +1231,18 @@ var ZoteroPane = new function()
 				Zotero.Prefs.clear('lastViewedFolder');
 				ZoteroPane_Local.displayErrorMessage();
 			};
-			this.itemsView.addEventListener('load', this.setTagScope);
+			this.itemsView.addEventListener('load', () => this.setTagScope());
+			if (this.tagSelectorShown()) {
+				let tagSelector = document.getElementById('zotero-tag-selector')
+				let handler = function () {
+					tagSelector.removeEventListener('refresh', handler);
+					Zotero.uiIsReady();
+				};
+				tagSelector.addEventListener('refresh', handler);
+			}
+			else {
+				this.itemsView.addEventListener('load', () => Zotero.uiIsReady());
+			}
 			
 			// If item data not yet loaded for library, load it now.
 			// Other data types are loaded at startup