зеркало из https://github.com/mozilla/gecko-dev.git
126 строки
4.0 KiB
C++
126 строки
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/****** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is IPC External Helper App module.
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*
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* The Initial Developer of the Original Code is
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* Brian Crowder <crowderbt@gmail.com>.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "ExternalHelperAppChild.h"
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#include "nsIInputStream.h"
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#include "nsIRequest.h"
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#include "nsIResumableChannel.h"
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#include "nsNetUtil.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS2(ExternalHelperAppChild,
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nsIStreamListener,
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nsIRequestObserver)
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ExternalHelperAppChild::ExternalHelperAppChild()
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: mStatus(NS_OK)
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{
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}
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ExternalHelperAppChild::~ExternalHelperAppChild()
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{
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}
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//-----------------------------------------------------------------------------
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// nsIStreamListener
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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ExternalHelperAppChild::OnDataAvailable(nsIRequest *request,
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nsISupports *ctx,
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nsIInputStream *input,
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PRUint32 offset,
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PRUint32 count)
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{
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if (NS_FAILED(mStatus))
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return mStatus;
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nsCString data;
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nsresult rv = NS_ReadInputStreamToString(input, data, count);
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if (NS_FAILED(rv))
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return rv;
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if (!SendOnDataAvailable(data, offset, count))
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return NS_ERROR_UNEXPECTED;
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return NS_OK;
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}
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//////////////////////////////////////////////////////////////////////////////
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// nsIRequestObserver
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//////////////////////////////////////////////////////////////////////////////
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NS_IMETHODIMP
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ExternalHelperAppChild::OnStartRequest(nsIRequest *request, nsISupports *ctx)
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{
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nsresult rv = mHandler->OnStartRequest(request, ctx);
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NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
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nsCString entityID;
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nsCOMPtr<nsIResumableChannel> resumable(do_QueryInterface(request));
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if (resumable)
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resumable->GetEntityID(entityID);
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SendOnStartRequest(entityID);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppChild::OnStopRequest(nsIRequest *request,
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nsISupports *ctx,
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nsresult status)
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{
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nsresult rv = mHandler->OnStopRequest(request, ctx, status);
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SendOnStopRequest(status);
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NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
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return NS_OK;
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}
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bool
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ExternalHelperAppChild::RecvCancel(const nsresult& aStatus)
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{
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mStatus = aStatus;
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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