gecko-dev/netwerk/base/nsInputStreamChannel.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* 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/. */
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#include "nsInputStreamChannel.h"
//-----------------------------------------------------------------------------
// nsInputStreamChannel
namespace mozilla {
namespace net {
nsresult
nsInputStreamChannel::OpenContentStream(bool async, nsIInputStream **result,
nsIChannel** channel)
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{
NS_ENSURE_TRUE(mContentStream, NS_ERROR_NOT_INITIALIZED);
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// 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;
}
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EnableSynthesizedProgressEvents(true);
NS_ADDREF(*result = mContentStream);
return NS_OK;
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}
//-----------------------------------------------------------------------------
// nsInputStreamChannel::nsISupports
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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