Merge 89782

Source/WebCore/bindings/scripts/CodeGeneratorV8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 #
@@ skipping 616 matching lines @@
     }
     return 0;
 }
 
 sub IsNodeSubType
 {
     my $dataNode = shift;
     return IsSubType($dataNode, "Node");
 }
 
+sub IsVisibleAcrossOrigins
+{
+    my $dataNode = shift;
+    return $dataNode->extendedAttributes->{"CheckDomainSecurity"} && !($dataNode->name eq "DOMWindow");
+}
+
 sub GenerateDomainSafeFunctionGetter
 {
     my $function = shift;
     my $implClassName = shift;
 
     my $className = "V8" . $implClassName;
     my $funcName = $function->signature->name;
 
     my $signature = "v8::Signature::New(" . $className . "::GetRawTemplate())";
     if ($function->signature->extendedAttributes->{"V8DoNotCheckSignature"}) {
@@ skipping 1851 matching lines @@
             if (proxy->windowShell()->initContextIfNeeded()) {
                 // initContextIfNeeded may have created a wrapper for the object, retry from the start.
                 return ${className}::wrap(impl);
             }
         }
     }
 
 END
     }
 
-    if (IsNodeSubType($dataNode)) {
+    # FIXME: We need a better way of recovering the correct prototype chain
+    # for every sort of object. For now, we special-case cross-origin visible
+    # objects (i.e., those with CheckDomainSecurity).
+    if (IsVisibleAcrossOrigins($dataNode)) {
+        push(@implContent, <<END);
+    if (impl->frame()) {
+        proxy = V8Proxy::retrieve(impl->frame());
+        if (proxy)
+            proxy->windowShell()->initContextIfNeeded();
+    }
+END
+    }
+
+    if (IsNodeSubType($dataNode) || IsVisibleAcrossOrigins($dataNode)) {
         push(@implContent, <<END);
 
     v8::Handle<v8::Context> context;
     if (proxy)
         context = proxy->context();
 
     // Enter the node's context and create the wrapper in that context.
     if (!context.IsEmpty())
         context->Enter();
 END
     }
 
     push(@implContent, <<END);
     wrapper = V8DOMWrapper::instantiateV8Object(proxy, &info, impl);
 END
-    if (IsNodeSubType($dataNode)) {
+    if (IsNodeSubType($dataNode) || IsVisibleAcrossOrigins($dataNode)) {
         push(@implContent, <<END);
     // Exit the node's context if it was entered.
     if (!context.IsEmpty())
         context->Exit();
 END
     }
 
     push(@implContent, <<END);
     if (wrapper.IsEmpty())
         return wrapper;
@@ skipping 792 matching lines @@
     return "RuntimeEnabledFeatures::" . $codeGenerator->WK_lcfirst($signature->name) . "Enabled";
 }
 
 sub DebugPrint
 {
     my $output = shift;
 
     print $output;
     print "\n";
 }