Tabs implementation

Favicons and stuff too

SBrowser/Web Process Bundle Bridge/SBRProcessBundleBridge.h

@@ -33,6 +33,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, assign) BOOL darkModeEnabled;
 
 - (void)policyDataSourceDidChange;
+- (void)tearDown;
 
 @end
 

SBrowser/Web Process Bundle Bridge/SBRProcessBundleBridge.m

@@ -33,6 +33,33 @@
     _WKUserStyleSheet     *_darkModeStyleSheet;
 }
 
+- (void)tearDown
+{
+    [[_webView _remoteObjectRegistry] unregisterExportedObject:self interface:[self _webProcessDelegateInterface]];
+}
+
+- (_WKRemoteObjectInterface *)_webProcessDelegateInterface
+{
+    static dispatch_once_t onceToken;
+    static _WKRemoteObjectInterface *interface = nil;
+    dispatch_once(&onceToken, ^{
+        interface = [_WKRemoteObjectInterface remoteObjectInterfaceWithProtocol:@protocol(SBRWebProcessDelegate)];
+    });
+    
+    return interface;
+}
+
+- (_WKRemoteObjectInterface *)_webProcessProxyInterface
+{
+    static dispatch_once_t onceToken;
+    static _WKRemoteObjectInterface *interface = nil;
+    dispatch_once(&onceToken, ^{
+        interface = [_WKRemoteObjectInterface remoteObjectInterfaceWithProtocol:@protocol(SBRWebProcessProxy)];
+    });
+    
+    return interface;
+}
+
 - (WKWebView *)webView
 {
     if (!_webView) {
@@ -56,12 +83,10 @@
         WKWebView *webView = [[WKWebView alloc] initWithFrame:CGRectZero configuration:configuration];
         
         // Configure proxy interface (interface to remote web process)
-        _WKRemoteObjectInterface *proxyInterface = [_WKRemoteObjectInterface remoteObjectInterfaceWithProtocol:@protocol(SBRWebProcessProxy)];
-        _webProcessProxy = [[webView _remoteObjectRegistry] remoteObjectProxyWithInterface:proxyInterface];
+        _webProcessProxy = [[webView _remoteObjectRegistry] remoteObjectProxyWithInterface:[self _webProcessProxyInterface]];
         
         // Configure delegate interface (registering us as the web process delegate for the remote process)
-        _WKRemoteObjectInterface *delegateInterface = [_WKRemoteObjectInterface remoteObjectInterfaceWithProtocol:@protocol(SBRWebProcessDelegate)];
-        [[webView _remoteObjectRegistry] registerExportedObject:self interface:delegateInterface];
+        [[webView _remoteObjectRegistry] registerExportedObject:self interface:[self _webProcessDelegateInterface]];
         
         _webView = webView;
         _webViewConfiguration = configuration;