v8::Persistent<v8::Context> V8Proxy::createNewContext(v8::Handle<v8::Object> global, int extensionGroup)
{
v8::Persistent<v8::Context> result;
// The activeDocumentLoader pointer could be NULL during frame shutdown.
if (!m_frame->loader()->activeDocumentLoader())
return result;
// Create a new environment using an empty template for the shadow
// object. Reuse the global object if one has been created earlier.
v8::Persistent<v8::ObjectTemplate> globalTemplate = V8DOMWindow::GetShadowObjectTemplate();
if (globalTemplate.IsEmpty())
return result;
// Install a security handler with V8.
globalTemplate->SetAccessCheckCallbacks(V8Custom::v8DOMWindowNamedSecurityCheck, V8Custom::v8DOMWindowIndexedSecurityCheck, v8::Integer::New(V8ClassIndex::DOMWINDOW));
// Used to avoid sleep calls in unload handlers.
if (!registeredExtensionWithV8(DateExtension::get()))
registerExtension(DateExtension::get(), String());
// Dynamically tell v8 about our extensions now.
OwnArrayPtr<const char*> extensionNames(new const char*[m_extensions.size()]);
int index = 0;
for (size_t i = 0; i < m_extensions.size(); ++i) {
if (m_extensions[i].group && m_extensions[i].group != extensionGroup)
continue;
// Note: we check the loader URL here instead of the document URL
// because we might be currently loading an URL into a blank page.
// See http://code.google.com/p/chromium/issues/detail?id=10924
if (m_extensions[i].scheme.length() > 0 && (m_extensions[i].scheme != m_frame->loader()->activeDocumentLoader()->url().protocol() || m_extensions[i].scheme != m_frame->page()->mainFrame()->loader()->activeDocumentLoader()->url().protocol()))
continue;
extensionNames[index++] = m_extensions[i].extension->name();
}
v8::ExtensionConfiguration extensions(index, extensionNames.get());
result = v8::Context::New(&extensions, globalTemplate, global);
return result;
}
void V8Proxy::registerExtensionWithV8(v8::Extension* extension)
{
// If the extension exists in our list, it was already registered with V8.
if (!registeredExtensionWithV8(extension))
v8::RegisterExtension(extension);
}
