Chaos geolocation demo, non-WebKit part.

webkit/chaos/V8CustomChaosPositionCallback.cpp

+#include "config.h"
+
+#include "V8CustomChaosPositionCallback.h"
+#include "V8CustomVoidCallback.h"
+#include "V8Index.h"
+#include "V8Proxy.h"
+
+#include "Frame.h"
+
+namespace WebCore {
+
+V8CustomChaosPositionCallback::V8CustomChaosPositionCallback(Frame *frame, v8::Local<v8::Object> callback)
+    : callback_(v8::Persistent<v8::Object>::New(callback)), frame_(frame) {
+}
+
+void V8CustomChaosPositionCallback::handleEvent(ChaosGeoposition* position) {
+  // Boilerplate lifted from V8CustomSQLTransactionCallback.cpp
+  v8::HandleScope handleScope;
+
+  v8::Handle<v8::Context> context = V8Proxy::context(frame_.get());
+  if (context.IsEmpty())
+    return;
+
+  v8::Context::Scope scope(context);
+  // end of boilerplate
+
+  v8::Handle<v8::Value> argv[] = {
+    V8DOMWrapper::convertToV8Object(V8ClassIndex::CHAOSGEOPOSITION, position)
+  };
+  bool callbackReturnValue = false;
+  bool raisedException
+      = invokeCallback(callback_, 1, argv, callbackReturnValue);
+}
+
+} // namespace WebCore