gecko/js/src/xpconnect/wrappers/WrapperFactory.h

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#include "jsapi.h"
#include "jswrapper.h"

namespace xpc {

class WrapperFactory {
  public:
    enum { WAIVE_XRAY_WRAPPER_FLAG = (1<<0),
           IS_XRAY_WRAPPER_FLAG = (1<<1) };

    // Return true if any of any of the nested wrappers have the flag set.
    static bool HasWrapperFlag(JSObject *wrapper, uintN flag) {
        uintN flags = 0;
        wrapper->unwrap(&flags);
        return !!(flags & flag);
    }

    static bool IsXrayWrapper(JSObject *wrapper) {
        return HasWrapperFlag(wrapper, IS_XRAY_WRAPPER_FLAG);
    }

    // Rewrap an object that is about to cross compartment boundaries.
    static JSObject *Rewrap(JSContext *cx,
                            JSObject *obj,
                            JSObject *wrappedProto,
                            JSObject *parent,
                            uintN flags);

    // Return true if this is a location object.
    static bool IsLocationObject(JSObject *obj);

    // Wrap a location object.
    static JSObject *WrapLocationObject(JSContext *cx, JSObject *obj);
};

}