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path: root/comm/mailnews/db/mork/morkObject.cpp
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-  */
/* 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 _MDB_
#  include "mdb.h"
#endif

#ifndef _MORK_
#  include "mork.h"
#endif

#ifndef _MORKNODE_
#  include "morkNode.h"
#endif

#ifndef _MORKENV_
#  include "morkEnv.h"
#endif

#ifndef _MORKOBJECT_
#  include "morkObject.h"
#endif

#ifndef _MORKHANDLE_
#  include "morkHandle.h"
#endif

#include "nsCOMPtr.h"

// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789

NS_IMPL_ISUPPORTS(morkObject, nsIMdbObject)

// ````` ````` ````` ````` `````
// { ===== begin morkNode interface =====

/*public virtual*/ void morkObject::CloseMorkNode(
    morkEnv* ev)  // CloseObject() only if open
{
  if (this->IsOpenNode()) {
    this->MarkClosing();
    this->CloseObject(ev);
    this->MarkShut();
  }
}

/*public virtual*/
morkObject::~morkObject()  // assert CloseObject() executed earlier
{
  if (!IsShutNode()) CloseMorkNode(this->mMorkEnv);
  MORK_ASSERT(mObject_Handle == 0);
}

/*public non-poly*/
morkObject::morkObject(const morkUsage& inUsage, nsIMdbHeap* ioHeap,
                       mork_color inBeadColor)
    : morkBead(inUsage, ioHeap, inBeadColor), mObject_Handle(0) {
  mMorkEnv = nullptr;
}

/*public non-poly*/
morkObject::morkObject(morkEnv* ev, const morkUsage& inUsage,
                       nsIMdbHeap* ioHeap, mork_color inBeadColor,
                       morkHandle* ioHandle)
    : morkBead(ev, inUsage, ioHeap, inBeadColor), mObject_Handle(0) {
  mMorkEnv = ev;
  if (ev->Good()) {
    if (ioHandle) morkHandle::SlotWeakHandle(ioHandle, ev, &mObject_Handle);

    if (ev->Good()) mNode_Derived = morkDerived_kObject;
  }
}

/*public non-poly*/ void morkObject::CloseObject(
    morkEnv* ev)  // called by CloseMorkNode();
{
  if (this->IsNode()) {
    if (!this->IsShutNode()) {
      if (mObject_Handle)
        morkHandle::SlotWeakHandle((morkHandle*)0L, ev, &mObject_Handle);

      mBead_Color = 0;  // this->CloseBead(ev);
      this->MarkShut();
    }
  } else
    this->NonNodeError(ev);
}

// } ===== end morkNode methods =====
// ````` ````` ````` ````` `````

// { ----- begin factory methods -----
NS_IMETHODIMP
morkObject::GetMdbFactory(nsIMdbEnv* mev, nsIMdbFactory** acqFactory) {
  nsresult rv;
  nsCOMPtr<nsIMdbObject> obj = do_QueryInterface(mev);
  if (obj)
    rv = obj->GetMdbFactory(mev, acqFactory);
  else
    return NS_ERROR_NO_INTERFACE;

  return rv;
}
// } ----- end factory methods -----

// { ----- begin ref counting for well-behaved cyclic graphs -----
NS_IMETHODIMP
morkObject::GetWeakRefCount(nsIMdbEnv* mev,  // weak refs
                            mdb_count* outCount) {
  *outCount = WeakRefsOnly();
  return NS_OK;
}
NS_IMETHODIMP
morkObject::GetStrongRefCount(nsIMdbEnv* mev,  // strong refs
                              mdb_count* outCount) {
  *outCount = StrongRefsOnly();
  return NS_OK;
}
// ### TODO - clean up this cast, if required
NS_IMETHODIMP
morkObject::AddWeakRef(nsIMdbEnv* mev) {
  // XXX Casting mork_refs to nsresult
  return static_cast<nsresult>(morkNode::AddWeakRef((morkEnv*)mev));
}

#ifndef _MSC_VER
NS_IMETHODIMP_(mork_uses)
morkObject::AddStrongRef(morkEnv* mev) { return morkNode::AddStrongRef(mev); }
#endif

NS_IMETHODIMP_(mork_uses)
morkObject::AddStrongRef(nsIMdbEnv* mev) {
  return morkNode::AddStrongRef((morkEnv*)mev);
}

NS_IMETHODIMP
morkObject::CutWeakRef(nsIMdbEnv* mev) {
  // XXX Casting mork_refs to nsresult
  return static_cast<nsresult>(morkNode::CutWeakRef((morkEnv*)mev));
}

#ifndef _MSC_VER
NS_IMETHODIMP_(mork_uses)
morkObject::CutStrongRef(morkEnv* mev) { return morkNode::CutStrongRef(mev); }
#endif

NS_IMETHODIMP
morkObject::CutStrongRef(nsIMdbEnv* mev) {
  // XXX Casting mork_refs to nsresult
  return static_cast<nsresult>(morkNode::CutStrongRef((morkEnv*)mev));
}

NS_IMETHODIMP
morkObject::CloseMdbObject(nsIMdbEnv* mev) {
  return morkNode::CloseMdbObject((morkEnv*)mev);
}

NS_IMETHODIMP
morkObject::IsOpenMdbObject(nsIMdbEnv* mev, mdb_bool* outOpen) {
  *outOpen = IsOpenNode();
  return NS_OK;
}
NS_IMETHODIMP
morkObject::IsFrozenMdbObject(nsIMdbEnv* mev, mdb_bool* outIsReadonly) {
  *outIsReadonly = IsFrozen();
  return NS_OK;
}

// void morkObject::NewNilHandleError(morkEnv* ev) // mObject_Handle is nil
//{
//  ev->NewError("nil mObject_Handle");
//}

// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789