use cache when possible for tab switching

barkshark_web/component/web_tab.py

@@ -2,7 +2,7 @@ import cairo
 import threading
 
 from bs4 import BeautifulSoup
-from dns.resolver import NXDOMAIN
+from dns.resolver import NXDOMAIN, NoAnswer
 from izzylib.exceptions import DNSResolverError
 from izzylib.misc import class_name
 from izzylib.url import Address
@@ -519,7 +519,7 @@ class WebTab(BuilderBase, Gtk.Box):
 					url = Url(f'{proto}://{full_url}')
 
 				except ValueError:
-					return self.window.notification(f'Not a valid url: {full_url}')
+					return run_in_gui_thread(self.window.notification, f'Not a valid url: {full_url}')
 
 			else:
 				url = Url(full_url)
@@ -555,8 +555,8 @@ class WebTab(BuilderBase, Gtk.Box):
 								port = 80 if url.port == 443 else url.port
 							)
 
-					except NXDOMAIN:
-						pass
+					except (NXDOMAIN, NoAnswer):
+						return run_in_gui_thread(self.window.notification, f'Failed to resolve domain: {url.domain}')
 
 				if not address:
 					search = s.get_search(keyword, default=True)

barkshark_web/component/window.py

@@ -1,5 +1,6 @@
 import json, sys, threading, time
 
+from izzylib.misc import Boolean
 from izzylib_sql import Row
 
 from .status_bar import StatusBar
@@ -423,9 +424,19 @@ class Window(BuilderBase, Gtk.ApplicationWindow):
 
 
 	def handle_page_switch(self, notebook, tab, pagenum):
-		with self.app.db.session as s:
-			if tab._data.state and not self.startup and s.get_config('load_switch'):
-				tab.page_action('refresh')
+		if load_switch_cache := self.db.cache['config'].get('load_switch'):
+			load_switch = Boolean(load_switch_cache['value'])
+
+		else:
+			with self.db.session() as s:
+				load_switch = s.get_config('load_switch')
+
+		if load_switch and tab._data.state and not self.startup:
+			tab.page_action('refresh')
+
+		# with self.app.db.session as s:
+		# 	if tab._data.state and not self.startup and s.get_config('load_switch'):
+		# 		tab.page_action('refresh')
 
 		if tab.id in self.taborder:
 			self.taborder.remove(tab.id)