gecko-dev/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 dom

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();

void
ReleaseJavaScriptParent(PJavaScriptParent* parent);

PJavaScriptChild*
NewJavaScriptChild();

void
ReleaseJavaScriptChild(PJavaScriptChild* child);

void
AfterProcessTask();

} // namespace jsipc
} // namespace mozilla

#endif // mozilla_jsipc_CrossProcessObjectWrappers_h__