gecko-dev/netwerk/base/nsInputStreamChannel.cpp

103 строки
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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