xref: /external/chromium_org/third_party/WebKit/Source/bindings/v8/V8NPUtils.h

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#ifndef V8NPUtils_h
#define V8NPUtils_h

#include <bindings/npruntime.h>
#include <v8.h>

namespace WebCore {

// Convert a V8 Value of any type (string, bool, object, etc) to a NPVariant.
void convertV8ObjectToNPVariant(v8::Local<v8::Value>, NPObject*, NPVariant*);

// Convert a NPVariant (string, bool, object, etc) back to a V8 Value.  The owner object is the NPObject which relates to the
// object, if the object is an Object.  The created NPObject will be tied to the lifetime of the owner.
v8::Handle<v8::Value> convertNPVariantToV8Object(const NPVariant*, NPObject*, v8::Isolate*);

// Helper function to create an NPN String Identifier from a v8 string.
NPIdentifier getStringIdentifier(v8::Handle<v8::String>);

// The ExceptionHandler will be notified of any exceptions thrown while
// operating on a NPObject.
typedef void (*ExceptionHandler)(void* data, const NPUTF8* message);
void pushExceptionHandler(ExceptionHandler, void* data);
void popExceptionHandler();

// Upon destruction, an ExceptionCatcher will pass a caught exception to the
// current ExceptionHandler.
class ExceptionCatcher {
public:
    ExceptionCatcher();
    ~ExceptionCatcher();
private:
    v8::TryCatch m_tryCatch;
};

} // namespace WebCore

#endif // V8NPUtils_h