/* -*- 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_MultipartBlobImpl_h

#define mozilla_dom_MultipartBlobImpl_h

#include "mozilla/Attributes.h"

#include "mozilla/ErrorResult.h"

#include "mozilla/Move.h"

#include "mozilla/dom/BaseBlobImpl.h"

namespace mozilla {

namespace dom {

class MultipartBlobImpl final : public BaseBlobImpl

{

public:

  NS_INLINE_DECL_REFCOUNTING_INHERITED(MultipartBlobImpl, BaseBlobImpl)

  // Create as a file

  static already_AddRefed<MultipartBlobImpl>

  Create(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,

         const nsAString& aName,

         const nsAString& aContentType,

         ErrorResult& aRv);

  // Create as a blob

  static already_AddRefed<MultipartBlobImpl>

  Create(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,

         const nsAString& aContentType,

         ErrorResult& aRv);

  // Create as a file to be later initialized

  explicit MultipartBlobImpl(const nsAString& aName)

    : BaseBlobImpl(aName, EmptyString(), UINT64_MAX),

      mIsFromNsIFile(false)

  {

  }

  // Create as a blob to be later initialized

  MultipartBlobImpl()

    : BaseBlobImpl(EmptyString(), UINT64_MAX),

      mIsFromNsIFile(false)

  {

  }

  void InitializeBlob(ErrorResult& aRv);

  void InitializeBlob(const Sequence<Blob::BlobPart>& aData,

                      const nsAString& aContentType,

                      bool aNativeEOL,

                      ErrorResult& aRv);

  nsresult InitializeChromeFile(nsIFile* aData,

                                const nsAString& aType,

                                const nsAString& aName,

                                bool aLastModifiedPassed,

                                int64_t aLastModified,

                                bool aIsFromNsIFile);

  virtual already_AddRefed<BlobImpl>

  CreateSlice(uint64_t aStart, uint64_t aLength,

              const nsAString& aContentType,

              ErrorResult& aRv) override;

  virtual uint64_t GetSize(ErrorResult& aRv) override

  {

    return mLength;

  }

  virtual void CreateInputStream(nsIInputStream** aInputStream,

                                 ErrorResult& aRv) override;

  virtual const nsTArray<RefPtr<BlobImpl>>* GetSubBlobImpls() const override

  {

    return mBlobImpls.Length() ? &mBlobImpls : nullptr;

  }

  virtual void GetMozFullPathInternal(nsAString& aFullPath,

                                      ErrorResult& aRv) const override;

  virtual nsresult

  SetMutable(bool aMutable) override;

  void SetName(const nsAString& aName)

  {

    mName = aName;

  }

  virtual bool MayBeClonedToOtherThreads() const override;

  size_t GetAllocationSize() const override;

  size_t GetAllocationSize(FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override;

protected:

  MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,

                    const nsAString& aName,

                    const nsAString& aContentType)

    : BaseBlobImpl(aName, aContentType, UINT64_MAX),

      mBlobImpls(std::move(aBlobImpls)),

      mIsFromNsIFile(false)

  {

  }

  MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,

                    const nsAString& aContentType)

    : BaseBlobImpl(aContentType, UINT64_MAX),

      mBlobImpls(std::move(aBlobImpls)),

      mIsFromNsIFile(false)

  {

  }

  virtual ~MultipartBlobImpl() {}

  void SetLengthAndModifiedDate(ErrorResult& aRv);

  nsTArray<RefPtr<BlobImpl>> mBlobImpls;

  bool mIsFromNsIFile;

};

} // dom namespace

} // mozilla namespace

#endif // mozilla_dom_MultipartBlobImpl_h