Everywhere: Move the Ladybird folder to UI

Author: https://github.com/trflynn89
Commit: db47cc41f8
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

UI/AppKit/Application/ApplicationDelegate.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2023-2024, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Optional.h>
+#include <AK/StringView.h>
+#include <LibURL/URL.h>
+#include <LibWeb/CSS/PreferredColorScheme.h>
+#include <LibWeb/CSS/PreferredContrast.h>
+#include <LibWeb/CSS/PreferredMotion.h>
+#include <LibWeb/HTML/ActivateTab.h>
+#include <LibWebView/Forward.h>
+
+#import <Cocoa/Cocoa.h>
+
+@class Tab;
+@class TabController;
+
+@interface ApplicationDelegate : NSObject <NSApplicationDelegate>
+
+- (nullable instancetype)init;
+
+- (nonnull TabController*)createNewTab:(Optional<URL::URL> const&)url
+                               fromTab:(nullable Tab*)tab
+                           activateTab:(Web::HTML::ActivateTab)activate_tab;
+
+- (nonnull TabController*)createNewTab:(StringView)html
+                                   url:(URL::URL const&)url
+                               fromTab:(nullable Tab*)tab
+                           activateTab:(Web::HTML::ActivateTab)activate_tab;
+
+- (nonnull TabController*)createChildTab:(Optional<URL::URL> const&)url
+                                 fromTab:(nonnull Tab*)tab
+                             activateTab:(Web::HTML::ActivateTab)activate_tab
+                               pageIndex:(u64)page_index;
+
+- (void)setActiveTab:(nonnull Tab*)tab;
+- (nullable Tab*)activeTab;
+
+- (void)removeTab:(nonnull TabController*)controller;
+
+- (Web::CSS::PreferredColorScheme)preferredColorScheme;
+- (Web::CSS::PreferredContrast)preferredContrast;
+- (Web::CSS::PreferredMotion)preferredMotion;
+- (WebView::SearchEngine const&)searchEngine;
+
+@end