dom/filesystem/GetDirectoryListingTask.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_GetDirectoryListing_h
   8 #define mozilla_dom_GetDirectoryListing_h
   9
  10 #include "mozilla/dom/Directory.h"
  11 #include "mozilla/dom/FileSystemTaskBase.h"
  12 #include "mozilla/ErrorResult.h"
  13
  14 namespace mozilla {
  15 namespace dom {
  16
  17 class BlobImpl;
  18 class FileSystemGetDirectoryListingParams;
  19 class OwningFileOrDirectory;
  20
  21 class GetDirectoryListingTaskChild final : public FileSystemTaskChildBase {
  22  public:
  23   static already_AddRefed<GetDirectoryListingTaskChild> Create(
  24       FileSystemBase* aFileSystem, Directory* aDirectory, nsIFile* aTargetPath,
  25       const nsAString& aFilters, ErrorResult& aRv);
  26
  27   virtual ~GetDirectoryListingTaskChild();
  28
  29   already_AddRefed<Promise> GetPromise();
  30
  31  private:
  32   // If aDirectoryOnly is set, we should ensure that the target is a directory.
  33   GetDirectoryListingTaskChild(nsIGlobalObject* aGlobalObject,
  34                                FileSystemBase* aFileSystem,
  35                                Directory* aDirectory, nsIFile* aTargetPath,
  36                                const nsAString& aFilters);
  37
  38   virtual FileSystemParams GetRequestParams(const nsString& aSerializedDOMPath,
  39                                             ErrorResult& aRv) const override;
  40
  41   virtual void SetSuccessRequestResult(const FileSystemResponseValue& aValue,
  42                                        ErrorResult& aRv) override;
  43
  44   virtual void HandlerCallback() override;
  45
  46   RefPtr<Promise> mPromise;
  47   RefPtr<Directory> mDirectory;
  48   nsCOMPtr<nsIFile> mTargetPath;
  49   nsString mFilters;
  50
  51   FallibleTArray<OwningFileOrDirectory> mTargetData;
  52 };
  53
  54 class GetDirectoryListingTaskParent final : public FileSystemTaskParentBase {
  55  public:
  56   static already_AddRefed<GetDirectoryListingTaskParent> Create(
  57       FileSystemBase* aFileSystem,
  58       const FileSystemGetDirectoryListingParams& aParam,
  59       FileSystemRequestParent* aParent, ErrorResult& aRv);
  60
  61   nsresult GetTargetPath(nsAString& aPath) const override;
  62
  63  private:
  64   GetDirectoryListingTaskParent(
  65       FileSystemBase* aFileSystem,
  66       const FileSystemGetDirectoryListingParams& aParam,
  67       FileSystemRequestParent* aParent);
  68
  69   virtual FileSystemResponseValue GetSuccessRequestResult(
  70       ErrorResult& aRv) const override;
  71
  72   virtual nsresult IOWork() override;
  73
  74   nsCOMPtr<nsIFile> mTargetPath;
  75   nsString mDOMPath;
  76   nsString mFilters;
  77
  78   struct FileOrDirectoryPath {
  79     nsString mPath;
  80
  81     enum { eFilePath, eDirectoryPath } mType;
  82   };
  83
  84   FallibleTArray<FileOrDirectoryPath> mTargetData;
  85 };
  86
  87 }  // namespace dom
  88 }  // namespace mozilla
  89
  90 #endif  // mozilla_dom_GetDirectoryListing_h