/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 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
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * 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 Content App.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *
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 * 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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 * ***** END LICENSE BLOCK ***** */

#include "ContentProcessChild.h"
#include "TabChild.h"

#include "mozilla/ipc/TestShellChild.h"
#include "mozilla/net/NeckoChild.h"

#include "nsXULAppAPI.h"

#include "base/message_loop.h"
#include "base/task.h"

using namespace mozilla::ipc;
using namespace mozilla::net;

namespace mozilla {
namespace dom {

ContentProcessChild* ContentProcessChild::sSingleton;

ContentProcessChild::ContentProcessChild()
    : mQuit(PR_FALSE)
{
}

ContentProcessChild::~ContentProcessChild()
{
}

bool
ContentProcessChild::Init(MessageLoop* aIOLoop,
                          base::ProcessHandle aParentHandle,
                          IPC::Channel* aChannel)
{
    NS_ASSERTION(!sSingleton, "only one ContentProcessChild per child");
  
    Open(aChannel, aParentHandle, aIOLoop);
    sSingleton = this;

    return true;
}

PIFrameEmbeddingChild*
ContentProcessChild::AllocPIFrameEmbedding()
{
  nsRefPtr<TabChild> iframe = new TabChild();
  NS_ENSURE_TRUE(iframe && NS_SUCCEEDED(iframe->Init()) &&
                 mIFrames.AppendElement(iframe),
                 nsnull);
  return iframe.forget().get();
}

bool
ContentProcessChild::DeallocPIFrameEmbedding(PIFrameEmbeddingChild* iframe)
{
    if (mIFrames.RemoveElement(iframe)) {
      TabChild* child = static_cast<TabChild*>(iframe);
      NS_RELEASE(child);
    }
    return true;
}

PTestShellChild*
ContentProcessChild::AllocPTestShell()
{
    PTestShellChild* testshell = new TestShellChild();
    if (testshell && mTestShells.AppendElement(testshell)) {
        return testshell;
    }
    delete testshell;
    return nsnull;
}

bool
ContentProcessChild::DeallocPTestShell(PTestShellChild* shell)
{
    mTestShells.RemoveElement(shell);
    return true;
}

PNeckoChild* 
ContentProcessChild::AllocPNecko()
{
    return new NeckoChild();
}

bool 
ContentProcessChild::DeallocPNecko(PNeckoChild* necko)
{
    delete necko;
    return true;
}

void
ContentProcessChild::Quit()
{
    NS_ASSERTION(mQuit, "Exiting uncleanly!");
    mIFrames.Clear();
    mTestShells.Clear();
}

void
ContentProcessChild::ActorDestroy(ActorDestroyReason why)
{
    if (AbnormalShutdown == why)
        NS_WARNING("shutting down because of crash!");

    mQuit = PR_TRUE;
    Quit();

    XRE_ShutdownChildProcess();
}

} // namespace dom
} // namespace mozilla