gecko-dev/dom/filesystem/CreateFileTask.h

86 строки
2.1 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=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/. */
#ifndef mozilla_dom_CreateFileTask_h
#define mozilla_dom_CreateFileTask_h
#include "mozilla/dom/FileSystemTaskBase.h"
#include "nsAutoPtr.h"
#include "mozilla/ErrorResult.h"
class nsIInputStream;
namespace mozilla {
namespace dom {
class File;
class FileImpl;
class Promise;
class CreateFileTask final
: public FileSystemTaskBase
{
public:
CreateFileTask(FileSystemBase* aFileSystem,
const nsAString& aPath,
File* aBlobData,
InfallibleTArray<uint8_t>& aArrayData,
bool replace,
ErrorResult& aRv);
CreateFileTask(FileSystemBase* aFileSystem,
const FileSystemCreateFileParams& aParam,
FileSystemRequestParent* aParent);
virtual
~CreateFileTask();
already_AddRefed<Promise>
GetPromise();
virtual void
GetPermissionAccessType(nsCString& aAccess) const override;
protected:
virtual FileSystemParams
GetRequestParams(const nsString& aFileSystem) const override;
virtual FileSystemResponseValue
GetSuccessRequestResult() const override;
virtual void
SetSuccessRequestResult(const FileSystemResponseValue& aValue) override;
virtual nsresult
Work() override;
virtual void
HandlerCallback() override;
private:
void
GetOutputBufferSize() const;
static uint32_t sOutputBufferSize;
nsRefPtr<Promise> mPromise;
nsString mTargetRealPath;
// Not thread-safe and should be released on main thread.
nsRefPtr<File> mBlobData;
nsCOMPtr<nsIInputStream> mBlobStream;
InfallibleTArray<uint8_t> mArrayData;
bool mReplace;
// This cannot be a File because this object is created on a different
// thread and File is not thread-safe. Let's use the FileImpl instead.
nsRefPtr<FileImpl> mTargetFileImpl;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_CreateFileTask_h