gecko/js/ipc/CrossProcessObjectWrappers.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sw=4 et tw=80:
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_jsipc_CrossProcessObjectWrappers_h__
#define mozilla_jsipc_CrossProcessObjectWrappers_h__

#include "js/TypeDecls.h"
#include "mozilla/jsipc/CpowHolder.h"
#include "mozilla/jsipc/JavaScriptTypes.h"
#include "nsID.h"
#include "nsString.h"
#include "nsTArray.h"

#ifdef XP_WIN
#undef GetClassName
#undef GetClassInfo
#endif

namespace mozilla {

namespace dom {
class CPOWManagerGetter;
}

namespace jsipc {

class PJavaScriptParent;
class PJavaScriptChild;

class CPOWManager
{
  public:
    virtual bool Unwrap(JSContext *cx,
                        const InfallibleTArray<CpowEntry> &aCpows,
                        JS::MutableHandleObject objp) = 0;

    virtual bool Wrap(JSContext *cx,
                      JS::HandleObject aObj,
                      InfallibleTArray<CpowEntry> *outCpows) = 0;
};

class CrossProcessCpowHolder : public CpowHolder
{
  public:
    CrossProcessCpowHolder(dom::CPOWManagerGetter *managerGetter,
                           const InfallibleTArray<CpowEntry> &cpows);

    bool ToObject(JSContext *cx, JS::MutableHandleObject objp);

  private:
    CPOWManager *js_;
    const InfallibleTArray<CpowEntry> &cpows_;
};

CPOWManager*
CPOWManagerFor(PJavaScriptParent* aParent);

CPOWManager*
CPOWManagerFor(PJavaScriptChild* aChild);

bool
IsCPOW(JSObject *obj);

bool
IsWrappedCPOW(JSObject *obj);

nsresult
InstanceOf(JSObject *obj, const nsID *id, bool *bp);

bool
DOMInstanceOf(JSContext *cx, JSObject *obj, int prototypeID, int depth, bool *bp);

void
GetWrappedCPOWTag(JSObject *obj, nsACString &out);

PJavaScriptParent *
NewJavaScriptParent(JSRuntime *rt);

void
ReleaseJavaScriptParent(PJavaScriptParent *parent);

PJavaScriptChild *
NewJavaScriptChild(JSRuntime *rt);

void
ReleaseJavaScriptChild(PJavaScriptChild *child);

} // namespace jsipc
} // namespace mozilla

#endif // mozilla_jsipc_CrossProcessObjectWrappers_h__