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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 mozilla_ipc_nsIIPCSerializableInputStream_h
#define mozilla_ipc_nsIIPCSerializableInputStream_h

#include "mozilla/Attributes.h"
#include "mozilla/Maybe.h"
#include "nsISupports.h"
#include "nsTArrayForwardDeclare.h"

namespace mozilla {
namespace ipc {

class FileDescriptor;
class InputStreamParams;
class ChildToParentStreamActorManager;
class ParentToChildStreamActorManager;

}  // namespace ipc

}  // namespace mozilla

#define NS_IIPCSERIALIZABLEINPUTSTREAM_IID           \
  {                                                  \
    0xb0211b14, 0xea6d, 0x40d4, {                    \
      0x87, 0xb5, 0x7b, 0xe3, 0xdf, 0xac, 0x09, 0xd1 \
    }                                                \
  }

class NS_NO_VTABLE nsIIPCSerializableInputStream : public nsISupports {
 public:
  typedef nsTArray<mozilla::ipc::FileDescriptor> FileDescriptorArray;

  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IIPCSERIALIZABLEINPUTSTREAM_IID)

  virtual void Serialize(
      mozilla::ipc::InputStreamParams& aParams,
      FileDescriptorArray& aFileDescriptors, bool aDelayedStart,
      uint32_t aMaxSize, uint32_t* aSizeUsed,
      mozilla::ipc::ParentToChildStreamActorManager* aManager) = 0;

  virtual void Serialize(
      mozilla::ipc::InputStreamParams& aParams,
      FileDescriptorArray& aFileDescriptors, bool aDelayedStart,
      uint32_t aMaxSize, uint32_t* aSizeUsed,
      mozilla::ipc::ChildToParentStreamActorManager* aManager) = 0;

  virtual bool Deserialize(const mozilla::ipc::InputStreamParams& aParams,
                           const FileDescriptorArray& aFileDescriptors) = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsIIPCSerializableInputStream,
                              NS_IIPCSERIALIZABLEINPUTSTREAM_IID)

#define NS_DECL_NSIIPCSERIALIZABLEINPUTSTREAM                                 \
  virtual void Serialize(                                                     \
      mozilla::ipc::InputStreamParams&, FileDescriptorArray&, bool, uint32_t, \
      uint32_t*, mozilla::ipc::ParentToChildStreamActorManager*) override;    \
                                                                              \
  virtual void Serialize(                                                     \
      mozilla::ipc::InputStreamParams&, FileDescriptorArray&, bool, uint32_t, \
      uint32_t*, mozilla::ipc::ChildToParentStreamActorManager*) override;    \
                                                                              \
  virtual bool Deserialize(const mozilla::ipc::InputStreamParams&,            \
                           const FileDescriptorArray&) override;

#define NS_FORWARD_NSIIPCSERIALIZABLEINPUTSTREAM(_to)                      \
  virtual void Serialize(                                                  \
      mozilla::ipc::InputStreamParams& aParams,                            \
      FileDescriptorArray& aFileDescriptors, bool aDelayedStart,           \
      uint32_t aMaxSize, uint32_t* aSizeUsed,                              \
      mozilla::ipc::ParentToChildStreamActorManager* aManager) override {  \
    _to Serialize(aParams, aFileDescriptors, aDelayedStart, aMaxSize,      \
                  aSizeUsed, aManager);                                    \
  }                                                                        \
                                                                           \
  virtual void Serialize(                                                  \
      mozilla::ipc::InputStreamParams& aParams,                            \
      FileDescriptorArray& aFileDescriptors, bool aDelayedStart,           \
      uint32_t aMaxSize, uint32_t* aSizeUsed,                              \
      mozilla::ipc::ChildToParentStreamActorManager* aManager) override {  \
    _to Serialize(aParams, aFileDescriptors, aDelayedStart, aMaxSize,      \
                  aSizeUsed, aManager);                                    \
  }                                                                        \
                                                                           \
  virtual bool Deserialize(const mozilla::ipc::InputStreamParams& aParams, \
                           const FileDescriptorArray& aFileDescriptors)    \
      override {                                                           \
    return _to Deserialize(aParams, aFileDescriptors);                     \
  }

#define NS_FORWARD_SAFE_NSIIPCSERIALIZABLEINPUTSTREAM(_to)                 \
  virtual void Serialize(                                                  \
      mozilla::ipc::InputStreamParams& aParams,                            \
      FileDescriptorArray& aFileDescriptors, bool aDelayedStart,           \
      uint32_t aMaxSize, uint32_t* aSizeUsed,                              \
      mozilla::ipc::ParentToChildStreamActorManager* aManager) override {  \
    if (_to) {                                                             \
      _to->Serialize(aParams, aFileDescriptors, aDelayedStart, aMaxSize,   \
                     aSizeUsed, aManager);                                 \
    }                                                                      \
  }                                                                        \
                                                                           \
  virtual void Serialize(                                                  \
      mozilla::ipc::InputStreamParams& aParams,                            \
      FileDescriptorArray& aFileDescriptors, bool aDelayedStart,           \
      uint32_t aMaxSize, uint32_t* aSizeUsed,                              \
      mozilla::ipc::ChildToParentStreamActorManager* aManager) override {  \
    if (_to) {                                                             \
      _to->Serialize(aParams, aFileDescriptors, aDelayedStart, aMaxSize,   \
                     aSizeUsed, aManager);                                 \
    }                                                                      \
  }                                                                        \
                                                                           \
  virtual bool Deserialize(const mozilla::ipc::InputStreamParams& aParams, \
                           const FileDescriptorArray& aFileDescriptors)    \
      override {                                                           \
    return _to ? _to->Deserialize(aParams, aFileDescriptors) : false;      \
  }

#endif  // mozilla_ipc_nsIIPCSerializableInputStream_h