/* -*- 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_File_h

#define mozilla_dom_File_h

#include "mozilla/dom/Blob.h"

#include "mozilla/dom/Date.h"

class nsIFile;

namespace mozilla {

namespace dom {

struct ChromeFilePropertyBag;

struct FilePropertyBag;

class Promise;

class File final : public Blob

{

  friend class Blob;

public:

  // Note: BlobImpl must be a File in order to use this method.

  // Check impl->IsFile().

  static File*

  Create(nsISupports* aParent, BlobImpl* aImpl);

  static already_AddRefed<File>

  Create(nsISupports* aParent, const nsAString& aName,

         const nsAString& aContentType, uint64_t aLength,

         int64_t aLastModifiedDate);

  // The returned File takes ownership of aMemoryBuffer. aMemoryBuffer will be

  // freed by free so it must be allocated by malloc or something

  // compatible with it.

  static already_AddRefed<File>

  CreateMemoryFile(nsISupports* aParent, void* aMemoryBuffer, uint64_t aLength,

                   const nsAString& aName, const nsAString& aContentType,

                   int64_t aLastModifiedDate);

  // This method creates a BlobFileImpl for the new File object. This is

  // thread-safe, cross-process, cross-thread as any other BlobImpl, but, when

  // GetType() is called, it must dispatch a runnable to the main-thread in

  // order to use nsIMIMEService.

  // Would be nice if we try to avoid to use this method outside the

  // main-thread to avoid extra runnables.

  static already_AddRefed<File>

  CreateFromFile(nsISupports* aParent, nsIFile* aFile);

  static already_AddRefed<File>

  CreateFromFile(nsISupports* aParent, nsIFile* aFile, const nsAString& aName,

                 const nsAString& aContentType);

  // WebIDL methods

  virtual JSObject* WrapObject(JSContext *cx,

                               JS::Handle<JSObject*> aGivenProto) override;

  // File constructor

  static already_AddRefed<File>

  Constructor(const GlobalObject& aGlobal,

              const Sequence<BlobPart>& aData,

              const nsAString& aName,

              const FilePropertyBag& aBag,

              ErrorResult& aRv);

  // ChromeOnly

  static already_AddRefed<Promise>

  CreateFromFileName(const GlobalObject& aGlobal,

                     const nsAString& aFilePath,

                     const ChromeFilePropertyBag& aBag,

                     SystemCallerGuarantee aGuarantee,

                     ErrorResult& aRv);

  // ChromeOnly

  static already_AddRefed<Promise>

  CreateFromNsIFile(const GlobalObject& aGlobal,

                    nsIFile* aFile,

                    const ChromeFilePropertyBag& aBag,

                    SystemCallerGuarantee aGuarantee,

                    ErrorResult& aRv);

  void GetName(nsAString& aName) const;

  int64_t GetLastModified(ErrorResult& aRv);

  void GetRelativePath(nsAString& aPath) const;

  void GetMozFullPath(nsAString& aFilename, SystemCallerGuarantee aGuarantee,

                      ErrorResult& aRv) const;

  void GetMozFullPathInternal(nsAString& aName, ErrorResult& aRv) const;

protected:

  virtual bool HasFileInterface() const override { return true; }

private:

  // File constructor should never be used directly. Use Blob::Create or

  // File::Create.

  File(nsISupports* aParent, BlobImpl* aImpl);

  ~File();

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_File_h