gecko-dev/netwerk/ipc/NeckoChild.cpp

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 *  The Mozilla Foundation
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jason Duell <jduell.mcbugs@gmail.com>
 *   Honza Bambas <honzab@firemni.cz>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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#include "nsHttp.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/net/HttpChannelChild.h"
#include "mozilla/net/CookieServiceChild.h"
#include "mozilla/net/WyciwygChannelChild.h"
#include "mozilla/net/FTPChannelChild.h"

namespace mozilla {
namespace net {

PNeckoChild *gNeckoChild = nsnull;

// C++ file contents
NeckoChild::NeckoChild()
{
}

NeckoChild::~NeckoChild()
{
}

void NeckoChild::InitNeckoChild()
{
  NS_ABORT_IF_FALSE(IsNeckoChild(), "InitNeckoChild called by non-child!");

  if (!gNeckoChild) {
    mozilla::dom::ContentChild * cpc = 
      mozilla::dom::ContentChild::GetSingleton();
    NS_ASSERTION(cpc, "Content Protocol is NULL!");
    gNeckoChild = cpc->SendPNeckoConstructor(); 
    NS_ASSERTION(gNeckoChild, "PNecko Protocol init failed!");
  }
}

// Note: not actually called; has some lifespan as child process, so
// automatically destroyed at exit.  
void NeckoChild::DestroyNeckoChild()
{
  NS_ABORT_IF_FALSE(IsNeckoChild(), "DestroyNeckoChild called by non-child!");
  static bool alreadyDestroyed = false;
  NS_ABORT_IF_FALSE(!alreadyDestroyed, "DestroyNeckoChild already called!");

  if (!alreadyDestroyed) {
    Send__delete__(gNeckoChild); 
    gNeckoChild = nsnull;
    alreadyDestroyed = true;
  }
}

PHttpChannelChild* 
NeckoChild::AllocPHttpChannel(PBrowserChild* browser)
{
  // This constructor is only used when PHttpChannel is constructed by
  // the parent process, e.g. during a redirect.  (Normally HttpChannelChild is
  // created by nsHttpHandler::NewProxiedChannel(), and then creates the
  // PHttpChannel in HttpChannelChild::AsyncOpen().)

  // No need to store PBrowser. It is only needed by the parent.
  HttpChannelChild* httpChannel = new HttpChannelChild();
  httpChannel->AddIPDLReference();
  return httpChannel;
}

bool 
NeckoChild::DeallocPHttpChannel(PHttpChannelChild* channel)
{
  NS_ABORT_IF_FALSE(IsNeckoChild(), "DeallocPHttpChannel called by non-child!");

  HttpChannelChild* child = static_cast<HttpChannelChild*>(channel);
  child->ReleaseIPDLReference();
  return true;
}

PFTPChannelChild*
NeckoChild::AllocPFTPChannel()
{
  // We don't allocate here: see FTPChannelChild::AsyncOpen()
  NS_RUNTIMEABORT("AllocPFTPChannel should not be called");
  return nsnull;
}

bool
NeckoChild::DeallocPFTPChannel(PFTPChannelChild* channel)
{
  NS_ABORT_IF_FALSE(IsNeckoChild(), "DeallocPFTPChannel called by non-child!");

  FTPChannelChild* child = static_cast<FTPChannelChild*>(channel);
  child->ReleaseIPDLReference();
  return true;
}

PCookieServiceChild* 
NeckoChild::AllocPCookieService()
{
  // We don't allocate here: see nsCookieService::GetSingleton()
  NS_NOTREACHED("AllocPCookieService should not be called");
  return nsnull;
}

bool 
NeckoChild::DeallocPCookieService(PCookieServiceChild* cs)
{
  NS_ASSERTION(IsNeckoChild(), "DeallocPCookieService called by non-child!");

  CookieServiceChild *p = static_cast<CookieServiceChild*>(cs);
  p->Release();
  return true;
}

PWyciwygChannelChild*
NeckoChild::AllocPWyciwygChannel()
{
  WyciwygChannelChild *p = new WyciwygChannelChild();
  p->AddIPDLReference();
  return p;
}

bool
NeckoChild::DeallocPWyciwygChannel(PWyciwygChannelChild* channel)
{
  NS_ABORT_IF_FALSE(IsNeckoChild(), "DeallocPWyciwygChannel called by non-child!");

  WyciwygChannelChild *p = static_cast<WyciwygChannelChild*>(channel);
  p->ReleaseIPDLReference();
  return true;
}

}} // mozilla::net