sky/engine/bindings-dart/common/AbstractScriptValue.h

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#ifndef AbstractScriptValue_h
#define AbstractScriptValue_h

#include "platform/heap/Handle.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/text/WTFString.h"

namespace blink {

class AbstractScriptPromise;
class IDBKey;
class IDBKeyPath;
class IDBKeyRange;
class JSONValue;
class ScriptState;

class AbstractScriptValue : public RefCounted<AbstractScriptValue> {
    WTF_MAKE_NONCOPYABLE(AbstractScriptValue);
public:
    AbstractScriptValue() { }
    virtual ~AbstractScriptValue() { }

    virtual bool isV8() const { return false; };
    virtual bool isDart() const { return false; };
    virtual bool equals(AbstractScriptValue* other) const = 0;

    virtual ScriptState* scriptState() const = 0;
    virtual void clear() = 0;
    virtual bool isObject() const = 0;
    virtual bool isUndefined() const = 0;
    virtual bool isFunction() const = 0;
    virtual bool isNull() const = 0;
    virtual bool isEmpty() const = 0;

    virtual bool toString(String& result) const = 0;
    virtual PassRefPtr<JSONValue> toJSONValue(ScriptState* state) const = 0;

    virtual PassRefPtr<AbstractScriptPromise> toPromise() const = 0;
    virtual PassRefPtr<AbstractScriptPromise> toRejectedPromise() const = 0;

    virtual IDBKey* createIDBKeyFromKeyPath(const IDBKeyPath&) = 0;
    virtual bool canInjectIDBKey(const IDBKeyPath&) = 0;
    virtual IDBKey* toIDBKey() = 0;
    virtual IDBKeyRange* toIDBKeyRange() = 0;
};

} // namespace blink

#endif // AbstractScriptValue_h