gecko/uriloader/exthandler/ExternalHelperAppParent.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/****** 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 IPC External Helper App module.
 *
 * The Initial Developer of the Original Code is
 * Brian Crowder <crowderbt@gmail.com>.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * 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 "mozilla/dom/PExternalHelperAppParent.h"
#include "nsIChannel.h"
#include "nsICancelable.h"
#include "nsIResumableChannel.h"
#include "nsHashPropertyBag.h"

namespace IPC {
class URI;
}

namespace mozilla {
namespace dom {

class TabParent;

class ExternalHelperAppParent : public PExternalHelperAppParent
                              , public nsHashPropertyBag
                              , public nsIChannel
                              , public nsIResumableChannel
{
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIREQUEST
    NS_DECL_NSICHANNEL
    NS_DECL_NSIRESUMABLECHANNEL

    bool RecvOnStartRequest(const nsCString& entityID);
    bool RecvOnDataAvailable(const nsCString& data, const PRUint32& offset, const PRUint32& count);
    bool RecvOnStopRequest(const nsresult& code);
    
    ExternalHelperAppParent(const IPC::URI& uri, const PRInt64& contentLength);
    void Init(TabParent *parent,
              const nsCString& aMimeContentType,
              const PRBool& aForceSave);
    virtual ~ExternalHelperAppParent();

private:
  nsCOMPtr<nsIStreamListener> mListener;
  nsCOMPtr<nsIURI> mURI;
  PRBool mPending;
  nsLoadFlags mLoadFlags;
  nsresult mStatus;
  PRInt64 mContentLength;
  nsCString mEntityID;
};

} // namespace dom
} // namespace mozilla