Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "EmptyBlobImpl.h"
       8             : #include "nsStringStream.h"
       9             : 
      10             : namespace mozilla {
      11             : namespace dom {
      12             : 
      13           0 : NS_IMPL_ISUPPORTS_INHERITED0(EmptyBlobImpl, BlobImpl)
      14             : 
      15             : already_AddRefed<BlobImpl>
      16           0 : EmptyBlobImpl::CreateSlice(uint64_t aStart, uint64_t aLength,
      17             :                            const nsAString& aContentType,
      18             :                            ErrorResult& aRv)
      19             : {
      20           0 :   MOZ_ASSERT(!aStart && !aLength);
      21           0 :   RefPtr<BlobImpl> impl = new EmptyBlobImpl(aContentType);
      22             : 
      23           0 :   DebugOnly<bool> isMutable;
      24           0 :   MOZ_ASSERT(NS_SUCCEEDED(impl->GetMutable(&isMutable)));
      25           0 :   MOZ_ASSERT(!isMutable);
      26             : 
      27           0 :   return impl.forget();
      28             : }
      29             : 
      30             : void
      31           0 : EmptyBlobImpl::GetInternalStream(nsIInputStream** aStream,
      32             :                                  ErrorResult& aRv)
      33             : {
      34           0 :   if (NS_WARN_IF(!aStream)) {
      35           0 :     aRv.Throw(NS_ERROR_FAILURE);
      36           0 :     return;
      37             :   }
      38             : 
      39           0 :   nsresult rv = NS_NewCStringInputStream(aStream, EmptyCString());
      40           0 :   if (NS_WARN_IF(NS_FAILED(rv))) {
      41           0 :     aRv.Throw(rv);
      42           0 :     return;
      43             :   }
      44             : }
      45             : 
      46             : } // namespace dom
      47             : } // namespace mozilla