dom/filesystem/GetFileOrDirectoryTask.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_GetFileOrDirectory_h
   8 #define mozilla_dom_GetFileOrDirectory_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 FileSystemGetFileOrDirectoryParams;
  20
  21 class GetFileOrDirectoryTaskChild final : public FileSystemTaskChildBase {
  22  public:
  23   static already_AddRefed<GetFileOrDirectoryTaskChild> Create(
  24       FileSystemBase* aFileSystem, nsIFile* aTargetPath, ErrorResult& aRv);
  25
  26   virtual ~GetFileOrDirectoryTaskChild();
  27
  28   already_AddRefed<Promise> GetPromise();
  29
  30  protected:
  31   virtual FileSystemParams GetRequestParams(const nsString& aSerializedDOMPath,
  32                                             ErrorResult& aRv) const override;
  33
  34   virtual void SetSuccessRequestResult(const FileSystemResponseValue& aValue,
  35                                        ErrorResult& aRv) override;
  36   virtual void HandlerCallback() override;
  37
  38  private:
  39   GetFileOrDirectoryTaskChild(nsIGlobalObject* aGlobalObject,
  40                               FileSystemBase* aFileSystem,
  41                               nsIFile* aTargetPath);
  42
  43   RefPtr<Promise> mPromise;
  44   nsCOMPtr<nsIFile> mTargetPath;
  45
  46   RefPtr<File> mResultFile;
  47   RefPtr<Directory> mResultDirectory;
  48 };
  49
  50 class GetFileOrDirectoryTaskParent final : public FileSystemTaskParentBase {
  51  public:
  52   static already_AddRefed<GetFileOrDirectoryTaskParent> Create(
  53       FileSystemBase* aFileSystem,
  54       const FileSystemGetFileOrDirectoryParams& aParam,
  55       FileSystemRequestParent* aParent, ErrorResult& aRv);
  56
  57   nsresult GetTargetPath(nsAString& aPath) const override;
  58
  59  protected:
  60   virtual FileSystemResponseValue GetSuccessRequestResult(
  61       ErrorResult& aRv) const override;
  62
  63   virtual nsresult IOWork() override;
  64
  65  private:
  66   GetFileOrDirectoryTaskParent(FileSystemBase* aFileSystem,
  67                                const FileSystemGetFileOrDirectoryParams& aParam,
  68                                FileSystemRequestParent* aParent);
  69
  70   nsCOMPtr<nsIFile> mTargetPath;
  71
  72   // Whether we get a directory.
  73   bool mIsDirectory;
  74 };
  75
  76 }  // namespace dom
  77 }  // namespace mozilla
  78
  79 #endif  // mozilla_dom_GetFileOrDirectory_h