LCOV - app.info - embedding/browser/webBrowser/nsEmbedStream.cpp

LCOV - code coverage report
| Current view: | directory - embedding/browser/webBrowser - nsEmbedStream.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 45 | 0 | 0.0 %
| Date: | 2012-04-21 | Functions: | 11 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is mozilla.org code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Christopher Blizzard.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 2001
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *   Christopher Blizzard <blizzard@mozilla.org>
          24                 :  *
          25                 :  * Alternatively, the contents of this file may be used under the terms of
          26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          29                 :  * of those above. If you wish to allow use of your version of this file only
          30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          31                 :  * use your version of this file under the terms of the MPL, indicate your
          32                 :  * decision by deleting the provisions above and replace them with the notice
          33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          34                 :  * the provisions above, a recipient may use your version of this file under
          35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          36                 :  *
          37                 :  * ***** END LICENSE BLOCK ***** */
          38                 :
          39                 : #include "nsIAsyncInputStream.h"
          40                 : #include "nsIDocShell.h"
          41                 : #include "nsIInterfaceRequestorUtils.h"
          42                 : #include "nsIPipe.h"
          43                 :
          44                 : #include "nsEmbedStream.h"
          45                 : #include "nsNetError.h"
          46                 : #include "nsString.h"
          47                 :
          48               0 : NS_IMPL_ISUPPORTS0(nsEmbedStream)
          49                 :
          50               0 : nsEmbedStream::nsEmbedStream()
          51                 : {
          52               0 :   mOwner = nsnull;
          53               0 : }
          54                 :
          55               0 : nsEmbedStream::~nsEmbedStream()
          56                 : {
          57               0 : }
          58                 :
          59                 : void
          60               0 : nsEmbedStream::InitOwner(nsIWebBrowser *aOwner)
          61                 : {
          62               0 :   mOwner = aOwner;
          63               0 : }
          64                 :
          65                 : NS_METHOD
          66               0 : nsEmbedStream::Init(void)
          67                 : {
          68               0 :   return NS_OK;
          69                 : }
          70                 :
          71                 : NS_METHOD
          72               0 : nsEmbedStream::OpenStream(nsIURI *aBaseURI, const nsACString& aContentType)
          73                 : {
          74                 :   nsresult rv;
          75               0 :   NS_ENSURE_ARG_POINTER(aBaseURI);
          76               0 :   NS_ENSURE_TRUE(IsASCII(aContentType), NS_ERROR_INVALID_ARG);
          77                 :
          78                 :   // if we're already doing a stream, return an error
          79               0 :   if (mOutputStream)
          80               0 :     return NS_ERROR_IN_PROGRESS;
          81                 :
          82               0 :   nsCOMPtr<nsIAsyncInputStream> inputStream;
          83               0 :   nsCOMPtr<nsIAsyncOutputStream> outputStream;
          84               0 :   rv = NS_NewPipe2(getter_AddRefs(inputStream),
          85               0 :                    getter_AddRefs(outputStream),
          86               0 :                    true, false, 0, PR_UINT32_MAX);
          87               0 :   if (NS_FAILED(rv))
          88               0 :     return rv;
          89                 :
          90               0 :   nsCOMPtr<nsIDocShell> docShell = do_GetInterface(mOwner);
          91               0 :   rv = docShell->LoadStream(inputStream, aBaseURI, aContentType,
          92               0 :                             EmptyCString(), nsnull);
          93               0 :   if (NS_FAILED(rv))
          94               0 :     return rv;
          95                 :
          96               0 :   mOutputStream = outputStream;
          97               0 :   return rv;
          98                 : }
          99                 :
         100                 : NS_METHOD
         101               0 : nsEmbedStream::AppendToStream(const PRUint8 *aData, PRUint32 aLen)
         102                 : {
         103                 :   nsresult rv;
         104               0 :   NS_ENSURE_STATE(mOutputStream);
         105                 :
         106               0 :   PRUint32 bytesWritten = 0;
         107               0 :   rv = mOutputStream->Write(reinterpret_cast<const char*>(aData),
         108               0 :                             aLen, &bytesWritten);
         109               0 :   if (NS_FAILED(rv))
         110               0 :     return rv;
         111                 :
         112               0 :   NS_ASSERTION(bytesWritten == aLen,
         113                 :                "underlying buffer couldn't handle the write");
         114               0 :   return rv;
         115                 : }
         116                 :
         117                 : NS_METHOD
         118               0 : nsEmbedStream::CloseStream(void)
         119                 : {
         120               0 :   nsresult rv = NS_OK;
         121                 :
         122                 :   // NS_ENSURE_STATE returns NS_ERROR_UNEXPECTED if the condition isn't
         123                 :   // satisfied; this is exactly what we want to return.
         124               0 :   NS_ENSURE_STATE(mOutputStream);
         125               0 :   mOutputStream->Close();
         126               0 :   mOutputStream = 0;
         127                 :
         128               0 :   return rv;
         129                 : }

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