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/* -*- 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 "FileSystemDirectoryEntry.h"
#include "CallbackRunnables.h"
#include "FileSystemDirectoryReader.h"
#include "mozilla/dom/Directory.h"
#include "mozilla/dom/FileSystemDirectoryEntryBinding.h"
#include "mozilla/dom/FileSystemUtils.h"

namespace mozilla {
namespace dom {

NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemDirectoryEntry, FileSystemEntry,
                                   mDirectory)

NS_IMPL_ADDREF_INHERITED(FileSystemDirectoryEntry, FileSystemEntry)
NS_IMPL_RELEASE_INHERITED(FileSystemDirectoryEntry, FileSystemEntry)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemDirectoryEntry)
NS_INTERFACE_MAP_END_INHERITING(FileSystemEntry)

FileSystemDirectoryEntry::FileSystemDirectoryEntry(
    nsIGlobalObject* aGlobal, Directory* aDirectory,
    FileSystemDirectoryEntry* aParentEntry, FileSystem* aFileSystem)
    : FileSystemEntry(aGlobal, aParentEntry, aFileSystem),
      mDirectory(aDirectory) {
  MOZ_ASSERT(aGlobal);
}

FileSystemDirectoryEntry::~FileSystemDirectoryEntry() {}

JSObject* FileSystemDirectoryEntry::WrapObject(
    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
  return FileSystemDirectoryEntry_Binding::Wrap(aCx, this, aGivenProto);
}

void FileSystemDirectoryEntry::GetName(nsAString& aName,
                                       ErrorResult& aRv) const {
  MOZ_ASSERT(mDirectory);
  mDirectory->GetName(aName, aRv);
}

void FileSystemDirectoryEntry::GetFullPath(nsAString& aPath,
                                           ErrorResult& aRv) const {
  MOZ_ASSERT(mDirectory);
  mDirectory->GetPath(aPath, aRv);
}

already_AddRefed<FileSystemDirectoryReader>
FileSystemDirectoryEntry::CreateReader() {
  MOZ_ASSERT(mDirectory);

  RefPtr<FileSystemDirectoryReader> reader =
      new FileSystemDirectoryReader(this, Filesystem(), mDirectory);
  return reader.forget();
}

void FileSystemDirectoryEntry::GetInternal(
    const nsAString& aPath, const FileSystemFlags& aFlag,
    const Optional<OwningNonNull<FileSystemEntryCallback>>& aSuccessCallback,
    const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback,
    GetInternalType aType) {
  MOZ_ASSERT(mDirectory);

  if (!aSuccessCallback.WasPassed() && !aErrorCallback.WasPassed()) {
    return;
  }

  if (aFlag.mCreate) {
    ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
                              NS_ERROR_DOM_SECURITY_ERR);
    return;
  }

  nsTArray<nsString> parts;
  if (!FileSystemUtils::IsValidRelativeDOMPath(aPath, parts)) {
    ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
                              NS_ERROR_DOM_NOT_FOUND_ERR);
    return;
  }

  RefPtr<GetEntryHelper> helper = new GetEntryHelper(
      this, mDirectory, parts, Filesystem(),
      aSuccessCallback.WasPassed() ? &aSuccessCallback.Value() : nullptr,
      aErrorCallback.WasPassed() ? &aErrorCallback.Value() : nullptr, aType);
  helper->Run();
}

}  // namespace dom
}  // namespace mozilla