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: 2012-06-02 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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