/* -*- 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 "File.h"

#include "FileBlobImpl.h"

#include "MemoryBlobImpl.h"

#include "MultipartBlobImpl.h"

#include "mozilla/dom/BlobBinding.h"

#include "mozilla/dom/FileBinding.h"

#include "mozilla/dom/FileCreatorHelper.h"

#include "mozilla/dom/FileSystemUtils.h"

#include "mozilla/dom/Promise.h"

#include "nsXULAppAPI.h"

namespace mozilla {

namespace dom {

File::File(nsISupports* aParent, BlobImpl* aImpl)

  : Blob(aParent, aImpl)

{

  MOZ_ASSERT(aImpl->IsFile());

}

File::~File()

{}

/* static */ File*

File::Create(nsISupports* aParent, BlobImpl* aImpl)

{

  MOZ_ASSERT(aImpl);

  MOZ_ASSERT(aImpl->IsFile());

  return new File(aParent, aImpl);

}

/* static */ already_AddRefed<File>

File::Create(nsISupports* aParent, const nsAString& aName,

             const nsAString& aContentType, uint64_t aLength,

             int64_t aLastModifiedDate)

{

  RefPtr<File> file = new File(aParent,

    new BaseBlobImpl(aName, aContentType, aLength, aLastModifiedDate));

  return file.forget();

}

/* static */ already_AddRefed<File>

File::CreateMemoryFile(nsISupports* aParent, void* aMemoryBuffer,

                       uint64_t aLength, const nsAString& aName,

                       const nsAString& aContentType,

                       int64_t aLastModifiedDate)

{

  RefPtr<File> file = new File(aParent,

    new MemoryBlobImpl(aMemoryBuffer, aLength, aName,

                       aContentType, aLastModifiedDate));

  return file.forget();

}

/* static */ already_AddRefed<File>

File::CreateFromFile(nsISupports* aParent, nsIFile* aFile)

{

  MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess());

  RefPtr<File> file = new File(aParent, new FileBlobImpl(aFile));

  return file.forget();

}

/* static */ already_AddRefed<File>

File::CreateFromFile(nsISupports* aParent, nsIFile* aFile,

                     const nsAString& aName, const nsAString& aContentType)

{

  MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess());

  RefPtr<File> file = new File(aParent,

    new FileBlobImpl(aFile, aName, aContentType));

  return file.forget();

}

JSObject*

File::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return File_Binding::Wrap(aCx, this, aGivenProto);

}

void

File::GetName(nsAString& aFileName) const

{

  mImpl->GetName(aFileName);

}

void

File::GetRelativePath(nsAString& aPath) const

{

  aPath.Truncate();

  nsAutoString path;

  mImpl->GetDOMPath(path);

  // WebkitRelativePath doesn't start with '/'

  if (!path.IsEmpty()) {

    MOZ_ASSERT(path[0] == FILESYSTEM_DOM_PATH_SEPARATOR_CHAR);

    aPath.Assign(Substring(path, 1));

  }

}

int64_t

File::GetLastModified(ErrorResult& aRv)

{

  return mImpl->GetLastModified(aRv);

}

void

File::GetMozFullPath(nsAString& aFilename, SystemCallerGuarantee aGuarantee,

                     ErrorResult& aRv) const

{

  mImpl->GetMozFullPath(aFilename, aGuarantee, aRv);

}

void

File::GetMozFullPathInternal(nsAString& aFileName, ErrorResult& aRv) const

{

  mImpl->GetMozFullPathInternal(aFileName, aRv);

}

/* static */ already_AddRefed<File>

File::Constructor(const GlobalObject& aGlobal,

                  const Sequence<BlobPart>& aData,

                  const nsAString& aName,

                  const FilePropertyBag& aBag,

                  ErrorResult& aRv)

{

  // Normalizing the filename

  nsString name(aName);

  name.ReplaceChar('/', ':');

  RefPtr<MultipartBlobImpl> impl = new MultipartBlobImpl(name);

  nsAutoString type(aBag.mType);

  MakeValidBlobType(type);

  impl->InitializeBlob(aData, type, false, aRv);

  if (aRv.Failed()) {

    return nullptr;

  }

  MOZ_ASSERT(impl->IsFile());

  if (aBag.mLastModified.WasPassed()) {

    impl->SetLastModified(aBag.mLastModified.Value());

  }

  RefPtr<File> file = new File(aGlobal.GetAsSupports(), impl);

  return file.forget();

}

/* static */ already_AddRefed<Promise>

File::CreateFromNsIFile(const GlobalObject& aGlobal,

                        nsIFile* aData,

                        const ChromeFilePropertyBag& aBag,

                        SystemCallerGuarantee aGuarantee,

                        ErrorResult& aRv)

{

  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());

  RefPtr<Promise> promise =

    FileCreatorHelper::CreateFile(global, aData, aBag, true, aRv);

  return promise.forget();

}

/* static */ already_AddRefed<Promise>

File::CreateFromFileName(const GlobalObject& aGlobal,

                         const nsAString& aPath,

                         const ChromeFilePropertyBag& aBag,

                         SystemCallerGuarantee aGuarantee,

                         ErrorResult& aRv)

{

  nsCOMPtr<nsIFile> file;

  aRv = NS_NewLocalFile(aPath, false, getter_AddRefs(file));

  if (NS_WARN_IF(aRv.Failed())) {

    return nullptr;

  }

  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());

  RefPtr<Promise> promise =

    FileCreatorHelper::CreateFile(global, file, aBag, false, aRv);

  return promise.forget();

}

} // namespace dom

} // namespace mozilla