tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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nsInputStreamChannel.cpp (2999B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #include "nsInputStreamChannel.h"
      7 
      8 //-----------------------------------------------------------------------------
      9 // nsInputStreamChannel
     10 
     11 namespace mozilla {
     12 namespace net {
     13 
     14 nsresult nsInputStreamChannel::OpenContentStream(bool async,
     15                                                 nsIInputStream** result,
     16                                                 nsIChannel** channel) {
     17  NS_ENSURE_TRUE(mContentStream, NS_ERROR_NOT_INITIALIZED);
     18 
     19  // If content length is unknown, then we must guess.  In this case, we assume
     20  // the stream can tell us.  If the stream is a pipe, then this will not work.
     21 
     22  if (mContentLength < 0) {
     23    uint64_t avail;
     24    nsresult rv = mContentStream->Available(&avail);
     25    if (rv == NS_BASE_STREAM_CLOSED) {
     26      // This just means there's nothing in the stream
     27      avail = 0;
     28    } else if (NS_FAILED(rv)) {
     29      return rv;
     30    }
     31    mContentLength = avail;
     32  }
     33 
     34  EnableSynthesizedProgressEvents(true);
     35 
     36  *result = do_AddRef(mContentStream).take();
     37  return NS_OK;
     38 }
     39 
     40 //-----------------------------------------------------------------------------
     41 // nsInputStreamChannel::nsISupports
     42 
     43 NS_IMPL_ISUPPORTS_INHERITED(nsInputStreamChannel, nsBaseChannel,
     44                            nsIInputStreamChannel)
     45 
     46 //-----------------------------------------------------------------------------
     47 // nsInputStreamChannel::nsIInputStreamChannel
     48 
     49 NS_IMETHODIMP
     50 nsInputStreamChannel::SetURI(nsIURI* uri) {
     51  NS_ENSURE_TRUE(!URI(), NS_ERROR_ALREADY_INITIALIZED);
     52  nsBaseChannel::SetURI(uri);
     53  return NS_OK;
     54 }
     55 
     56 NS_IMETHODIMP
     57 nsInputStreamChannel::GetContentStream(nsIInputStream** stream) {
     58  *stream = do_AddRef(mContentStream).take();
     59  return NS_OK;
     60 }
     61 
     62 NS_IMETHODIMP
     63 nsInputStreamChannel::SetContentStream(nsIInputStream* stream) {
     64  NS_ENSURE_TRUE(!mContentStream, NS_ERROR_ALREADY_INITIALIZED);
     65  mContentStream = stream;
     66  return NS_OK;
     67 }
     68 
     69 NS_IMETHODIMP
     70 nsInputStreamChannel::GetSrcdocData(nsAString& aSrcdocData) {
     71  aSrcdocData = mSrcdocData;
     72  return NS_OK;
     73 }
     74 
     75 NS_IMETHODIMP
     76 nsInputStreamChannel::SetSrcdocData(const nsAString& aSrcdocData) {
     77  mSrcdocData = aSrcdocData;
     78  mIsSrcdocChannel = true;
     79  return NS_OK;
     80 }
     81 
     82 NS_IMETHODIMP
     83 nsInputStreamChannel::GetIsSrcdocChannel(bool* aIsSrcdocChannel) {
     84  *aIsSrcdocChannel = mIsSrcdocChannel;
     85  return NS_OK;
     86 }
     87 
     88 NS_IMETHODIMP
     89 nsInputStreamChannel::GetBaseURI(nsIURI** aBaseURI) {
     90  *aBaseURI = do_AddRef(mBaseURI).take();
     91  return NS_OK;
     92 }
     93 
     94 NS_IMETHODIMP
     95 nsInputStreamChannel::SetBaseURI(nsIURI* aBaseURI) {
     96  mBaseURI = aBaseURI;
     97  return NS_OK;
     98 }
     99 
    100 NS_IMETHODIMP
    101 nsInputStreamChannel::SetContentType(const nsACString& aContentType) {
    102  mContentType = aContentType;
    103  return NS_OK;
    104 }
    105 
    106 }  // namespace net
    107 }  // namespace mozilla