NormalOriginOperationBase.h

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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/. */

#ifndef DOM_QUOTA_NORMALORIGINOPERATIONBASE_H_

#define DOM_QUOTA_NORMALORIGINOPERATIONBASE_H_

#include "OriginOperationBase.h"

#include "mozilla/Atomics.h"

#include "mozilla/dom/quota/CheckedUnsafePtr.h"

namespace mozilla::dom::quota {

class NormalOriginOperationBase

    : public OriginOperationBase,

      public SupportsCheckedUnsafePtr<CheckIf<DiagnosticAssertEnabled>> {

 public:

  const Atomic<bool>& Canceled() const { return mCanceled; }

  bool Cancel() { return mCanceled.exchange(true); }

 protected:

  // If we want to only forward declare DirectoryLock which is referenced by

  // the mDirectoryLock member then the constructor and destructor must be

  // defined in the cpp where DirectoryLock is fully declared (DirectoryLock.h

  // is included). The compiler would complain otherwise because it wouldn't

  // know how to call DirectoryLock::AddRef/Release in the constructor and

  // destructor

  NormalOriginOperationBase(MovingNotNull<RefPtr<QuotaManager>> aQuotaManager,

                            const char* aName);

  ~NormalOriginOperationBase();

  virtual RefPtr<BoolPromise> OpenDirectory() = 0;

  // Used to send results before unblocking open.

  virtual void SendResults() = 0;

  virtual void CloseDirectory() = 0;

 private:

  virtual RefPtr<BoolPromise> Open() override;

  virtual void UnblockOpen() override;

  mozilla::Atomic<bool> mCanceled;

};

}  // namespace mozilla::dom::quota

#endif  // DOM_QUOTA_NORMALORIGINOPERATIONBASE_H_