netwerk/base/nsInputStreamChannel.cpp
author Andrew Halberstadt <ahalberstadt@mozilla.com>
Thu, 25 May 2017 11:48:03 -0400
changeset 410946 ff64a7889c1fac56d48205fc2fad4eb5aa481a73
parent 337529 82092aed0171cf6f9073d224c8b766b7bce41c4f
child 416428 6a629adbb62a299d7208373d1c6f375149d2afdb
permissions -rw-r--r--
Bug 1346025 - Move vendored python modules from /python to /third_party/python, r=ted This commit is a simple 'hg mv' and does not contain any file modifications. *** Bug 1346025 - Split vendored modules in python/moz.build to third_party/python/moz.build, r=ted *** Bug 1346025 - Update references to moved python modules, r=ted MozReview-Commit-ID: A12RnIFtXju

/* -*- Mode: C++; tab-width: 2; 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/. */

#include "nsInputStreamChannel.h"

//-----------------------------------------------------------------------------
// nsInputStreamChannel

namespace mozilla {
namespace net {

nsresult
nsInputStreamChannel::OpenContentStream(bool async, nsIInputStream **result,
                                        nsIChannel** channel)
{
  NS_ENSURE_TRUE(mContentStream, NS_ERROR_NOT_INITIALIZED);

  // If content length is unknown, then we must guess.  In this case, we assume
  // the stream can tell us.  If the stream is a pipe, then this will not work.

  if (mContentLength < 0) {
    uint64_t avail;
    nsresult rv = mContentStream->Available(&avail);
    if (rv == NS_BASE_STREAM_CLOSED) {
      // This just means there's nothing in the stream
      avail = 0;
    } else if (NS_FAILED(rv)) {
      return rv;
    }
    mContentLength = avail;
  }

  EnableSynthesizedProgressEvents(true);
  
  NS_ADDREF(*result = mContentStream);
  return NS_OK;
}

//-----------------------------------------------------------------------------
// nsInputStreamChannel::nsISupports

NS_IMPL_ISUPPORTS_INHERITED(nsInputStreamChannel,
                            nsBaseChannel,
                            nsIInputStreamChannel)

//-----------------------------------------------------------------------------
// nsInputStreamChannel::nsIInputStreamChannel

NS_IMETHODIMP
nsInputStreamChannel::SetURI(nsIURI *uri)
{
  NS_ENSURE_TRUE(!URI(), NS_ERROR_ALREADY_INITIALIZED);
  nsBaseChannel::SetURI(uri);
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::GetContentStream(nsIInputStream **stream)
{
  NS_IF_ADDREF(*stream = mContentStream);
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::SetContentStream(nsIInputStream *stream)
{
  NS_ENSURE_TRUE(!mContentStream, NS_ERROR_ALREADY_INITIALIZED);
  mContentStream = stream;
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::GetSrcdocData(nsAString& aSrcdocData)
{
  aSrcdocData = mSrcdocData;
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::SetSrcdocData(const nsAString& aSrcdocData)
{
  mSrcdocData = aSrcdocData;
  mIsSrcdocChannel = true;
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::GetIsSrcdocChannel(bool *aIsSrcdocChannel)
{
  *aIsSrcdocChannel = mIsSrcdocChannel;
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::GetBaseURI(nsIURI** aBaseURI)
{
  *aBaseURI = mBaseURI;
  NS_IF_ADDREF(*aBaseURI);
  return NS_OK;
}

NS_IMETHODIMP
nsInputStreamChannel::SetBaseURI(nsIURI* aBaseURI)
{
  mBaseURI = aBaseURI;
  return NS_OK;
}

} // namespace net
} // namespace mozilla