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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "StringBlobImpl.h"
#include "nsStringStream.h"
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS_INHERITED(StringBlobImpl, BlobImpl, nsIMemoryReporter)
/* static */
already_AddRefed<StringBlobImpl> StringBlobImpl::Create(
const nsACString& aData, const nsAString& aContentType) {
RefPtr<StringBlobImpl> blobImpl = new StringBlobImpl(aData, aContentType);
RegisterWeakMemoryReporter(blobImpl);
return blobImpl.forget();
}
StringBlobImpl::StringBlobImpl(const nsACString& aData,
const nsAString& aContentType)
: BaseBlobImpl(NS_LITERAL_STRING("StringBlobImpl"), aContentType,
aData.Length()),
mData(aData) {}
StringBlobImpl::~StringBlobImpl() { UnregisterWeakMemoryReporter(this); }
already_AddRefed<BlobImpl> StringBlobImpl::CreateSlice(
uint64_t aStart, uint64_t aLength, const nsAString& aContentType,
ErrorResult& aRv) {
RefPtr<BlobImpl> impl =
new StringBlobImpl(Substring(mData, aStart, aLength), aContentType);
return impl.forget();
}
void StringBlobImpl::CreateInputStream(nsIInputStream** aStream,
ErrorResult& aRv) {
aRv = NS_NewCStringInputStream(aStream, mData);
}
NS_IMETHODIMP
StringBlobImpl::CollectReports(nsIHandleReportCallback* aHandleReport,
nsISupports* aData, bool aAnonymize) {
MOZ_COLLECT_REPORT("explicit/dom/memory-file-data/string", KIND_HEAP,
UNITS_BYTES,
mData.SizeOfExcludingThisIfUnshared(MallocSizeOf),
"Memory used to back a File/Blob based on a string.");
return NS_OK;
}
} // namespace dom
} // namespace mozilla
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