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 "StreamBlobImpl.h"
       8             : #include "nsStringStream.h"
       9             : 
      10             : namespace mozilla {
      11             : namespace dom {
      12             : 
      13           0 : NS_IMPL_ISUPPORTS_INHERITED(StringBlobImpl, BlobImpl, nsIMemoryReporter)
      14             : 
      15             : /* static */ already_AddRefed<StringBlobImpl>
      16           0 : StringBlobImpl::Create(const nsACString& aData, const nsAString& aContentType)
      17             : {
      18           0 :   RefPtr<StringBlobImpl> blobImpl = new StringBlobImpl(aData, aContentType);
      19           0 :   RegisterWeakMemoryReporter(blobImpl);
      20           0 :   return blobImpl.forget();
      21             : }
      22             : 
      23           0 : StringBlobImpl::StringBlobImpl(const nsACString& aData,
      24           0 :                                const nsAString& aContentType)
      25           0 :   : BaseBlobImpl(aContentType, aData.Length())
      26           0 :   , mData(aData)
      27             : {
      28           0 : }
      29             : 
      30           0 : StringBlobImpl::~StringBlobImpl()
      31             : {
      32           0 :   UnregisterWeakMemoryReporter(this);
      33           0 : }
      34             : 
      35             : already_AddRefed<BlobImpl>
      36           0 : StringBlobImpl::CreateSlice(uint64_t aStart, uint64_t aLength,
      37             :                             const nsAString& aContentType,
      38             :                             ErrorResult& aRv)
      39             : {
      40             :   RefPtr<BlobImpl> impl =
      41           0 :     new StringBlobImpl(Substring(mData, aStart, aLength),
      42           0 :                        aContentType);
      43           0 :   return impl.forget();
      44             : }
      45             : 
      46             : void
      47           0 : StringBlobImpl::GetInternalStream(nsIInputStream** aStream, ErrorResult& aRv)
      48             : {
      49           0 :   aRv = NS_NewCStringInputStream(aStream, mData);
      50           0 : }
      51             : 
      52             : NS_IMETHODIMP
      53           0 : StringBlobImpl::CollectReports(nsIHandleReportCallback* aHandleReport,
      54             :                                nsISupports* aData, bool aAnonymize)
      55             : {
      56           0 :   MOZ_COLLECT_REPORT(
      57             :     "explicit/dom/memory-file-data/string", KIND_HEAP, UNITS_BYTES,
      58             :     mData.SizeOfExcludingThisIfUnshared(MallocSizeOf),
      59           0 :     "Memory used to back a File/Blob based on a string.");
      60           0 :   return NS_OK;
      61             : }
      62             : 
      63             : } // namespace dom
      64           9 : } // namespace mozilla