// Returns the owner frame pointer of a DOM wrapper object. It only works for
// these DOM objects requiring cross-domain access check.
static Frame* getTargetFrame(v8::Local<v8::Object> host, v8::Local<v8::Value> data)
{
Frame* target = 0;
WrapperTypeInfo* type = WrapperTypeInfo::unwrap(data);
if (V8DOMWindow::info.equals(type)) {
v8::Handle<v8::Object> window = V8DOMWrapper::lookupDOMWrapper(V8DOMWindow::GetTemplate(), host);
if (window.IsEmpty())
return target;
DOMWindow* targetWindow = V8DOMWindow::toNative(window);
target = targetWindow->frame();
} else if (V8History::info.equals(type)) {
History* history = V8History::toNative(host);
target = history->frame();
} else if (V8Location::info.equals(type)) {
Location* location = V8Location::toNative(host);
target = location->frame();
}
return target;
}
bool V8History::namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>)
{
// Only allow same origin access.
History* history = V8History::toNative(host);
return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), history->frame(), false);
}
bool V8History::namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>)
{
History* history = V8History::toNative(host);
return BindingSecurity::shouldAllowAccessToFrame(BindingState::instance(), history->frame(), DoNotReportSecurityError);
}
