gecko-dev/dom/file/StringBlobImpl.h

53 строки
1.6 KiB
C++

/* -*- 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/. */
#ifndef mozilla_dom_StringBlobImpl_h
#define mozilla_dom_StringBlobImpl_h
#include "BaseBlobImpl.h"
#include "nsIMemoryReporter.h"
namespace mozilla {
namespace dom {
class StringBlobImpl final : public BaseBlobImpl, public nsIMemoryReporter {
MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIMEMORYREPORTER
static already_AddRefed<StringBlobImpl> Create(const nsACString& aData,
const nsAString& aContentType);
virtual void CreateInputStream(nsIInputStream** aStream,
ErrorResult& aRv) override;
virtual already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart,
uint64_t aLength,
const nsAString& aContentType,
ErrorResult& aRv) override;
size_t GetAllocationSize() const override { return mData.Length(); }
size_t GetAllocationSize(
FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override {
return GetAllocationSize();
}
private:
StringBlobImpl(const nsACString& aData, const nsAString& aContentType);
~StringBlobImpl();
nsCString mData;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_StringBlobImpl_h