/* -*- 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 "FileSystemFileEntry.h"

#include "CallbackRunnables.h"

#include "mozilla/dom/File.h"

#include "mozilla/dom/FileSystemUtils.h"

#include "mozilla/dom/MultipartBlobImpl.h"

#include "mozilla/dom/FileSystemFileEntryBinding.h"

namespace mozilla {

namespace dom {

namespace {

class FileCallbackRunnable final : public Runnable

{

public:

  FileCallbackRunnable(FileCallback* aCallback, File* aFile)

    : Runnable("FileCallbackRunnable")

    , mCallback(aCallback)

    , mFile(aFile)

  {

    MOZ_ASSERT(aCallback);

    MOZ_ASSERT(aFile);

  }

  NS_IMETHOD

  Run() override

  {

    // Here we clone the File object.

    RefPtr<File> file = File::Create(mFile->GetParentObject(), mFile->Impl());

    MOZ_ASSERT(file);

    mCallback->HandleEvent(*file);

    return NS_OK;

  }

private:

  RefPtr<FileCallback> mCallback;

  RefPtr<File> mFile;

};

} // anonymous namespace

NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemFileEntry, FileSystemEntry, mFile)

NS_IMPL_ADDREF_INHERITED(FileSystemFileEntry, FileSystemEntry)

NS_IMPL_RELEASE_INHERITED(FileSystemFileEntry, FileSystemEntry)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemFileEntry)

NS_INTERFACE_MAP_END_INHERITING(FileSystemEntry)

FileSystemFileEntry::FileSystemFileEntry(nsIGlobalObject* aGlobal,

                                         File* aFile,

                                         FileSystemDirectoryEntry* aParentEntry,

                                         FileSystem* aFileSystem)

  : FileSystemEntry(aGlobal, aParentEntry, aFileSystem)

  , mFile(aFile)

{

  MOZ_ASSERT(aGlobal);

  MOZ_ASSERT(mFile);

}

FileSystemFileEntry::~FileSystemFileEntry()

{}

JSObject*

FileSystemFileEntry::WrapObject(JSContext* aCx,

                                JS::Handle<JSObject*> aGivenProto)

{

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

}

void

FileSystemFileEntry::GetName(nsAString& aName, ErrorResult& aRv) const

{

  mFile->GetName(aName);

}

void

FileSystemFileEntry::GetFullPath(nsAString& aPath, ErrorResult& aRv) const

{

  mFile->Impl()->GetDOMPath(aPath);

  if (aPath.IsEmpty()) {

    // We're under the root directory. webkitRelativePath

    // (implemented as GetPath) is for cases when file is selected because its

    // ancestor directory is selected. But that is not the case here, so need to

    // manually prepend '/'.

    nsAutoString name;

    mFile->GetName(name);

    aPath.AssignLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL);

    aPath.Append(name);

  }

}

void

FileSystemFileEntry::GetFile(FileCallback& aSuccessCallback,

                             const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback) const

{

  RefPtr<FileCallbackRunnable> runnable =

    new FileCallbackRunnable(&aSuccessCallback, mFile);

  FileSystemUtils::DispatchRunnable(GetParentObject(), runnable.forget());

}

} // dom namespace

} // mozilla namespace