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