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
  13 namespace mozilla {
  14 class ErrorResult;
  15
  16 namespace dom {
  17
  18 class BlobImpl;
  19 class FileSystemGetDirectoryListingParams;
  20 class OwningFileOrDirectory;
  21
  22 class GetDirectoryListingTaskChild final : public FileSystemTaskChildBase {
  23  public:
  24   static already_AddRefed<GetDirectoryListingTaskChild> Create(
  25       FileSystemBase* aFileSystem, Directory* aDirectory, nsIFile* aTargetPath,
  26       const nsAString& aFilters, ErrorResult& aRv);
  27
  28   virtual ~GetDirectoryListingTaskChild();
  29
  30   already_AddRefed<Promise> GetPromise();
  31
  32  private:
  33   // If aDirectoryOnly is set, we should ensure that the target is a directory.
  34   GetDirectoryListingTaskChild(nsIGlobalObject* aGlobalObject,
  35                                FileSystemBase* aFileSystem,
  36                                Directory* aDirectory, nsIFile* aTargetPath,
  37                                const nsAString& aFilters);
  38
  39   virtual FileSystemParams GetRequestParams(const nsString& aSerializedDOMPath,
  40                                             ErrorResult& aRv) const override;
  41
  42   virtual void SetSuccessRequestResult(const FileSystemResponseValue& aValue,
  43                                        ErrorResult& aRv) override;
  44
  45   virtual void HandlerCallback() override;
  46
  47   RefPtr<Promise> mPromise;
  48   RefPtr<Directory> mDirectory;
  49   nsCOMPtr<nsIFile> mTargetPath;
  50   nsString mFilters;
  51
  52   FallibleTArray<OwningFileOrDirectory> mTargetData;
  53 };
  54
  55 class GetDirectoryListingTaskParent final : public FileSystemTaskParentBase {
  56  public:
  57   static already_AddRefed<GetDirectoryListingTaskParent> Create(
  58       FileSystemBase* aFileSystem,
  59       const FileSystemGetDirectoryListingParams& aParam,
  60       FileSystemRequestParent* aParent, ErrorResult& aRv);
  61
  62   nsresult GetTargetPath(nsAString& aPath) const override;
  63
  64  private:
  65   GetDirectoryListingTaskParent(
  66       FileSystemBase* aFileSystem,
  67       const FileSystemGetDirectoryListingParams& aParam,
  68       FileSystemRequestParent* aParent);
  69
  70   virtual FileSystemResponseValue GetSuccessRequestResult(
  71       ErrorResult& aRv) const override;
  72
  73   virtual nsresult IOWork() override;
  74
  75   nsCOMPtr<nsIFile> mTargetPath;
  76   nsString mDOMPath;
  77   nsString mFilters;
  78
  79   struct FileOrDirectoryPath {
  80     nsString mPath;
  81
  82     enum { eFilePath, eDirectoryPath } mType;
  83   };
  84
  85   FallibleTArray<FileOrDirectoryPath> mTargetData;
  86 };
  87
  88 }  // namespace dom
  89 }  // namespace mozilla
  90
  91 #endif  // mozilla_dom_GetDirectoryListing_h