gecko-dev/dom/indexedDB/IndexedDatabaseInlines.h

/* -*- 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 IndexedDatabaseInlines_h
#define IndexedDatabaseInlines_h

#ifndef mozilla_dom_indexeddatabase_h__
#  error Must include IndexedDatabase.h first
#endif

#include "FileInfo.h"
#include "IDBMutableFile.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "mozilla/dom/File.h"
#include "nsIInputStream.h"

namespace mozilla {
namespace dom {
namespace indexedDB {

inline StructuredCloneFile::StructuredCloneFile() : mType(eBlob) {
  MOZ_COUNT_CTOR(StructuredCloneFile);
}

inline StructuredCloneFile::~StructuredCloneFile() {
  MOZ_COUNT_DTOR(StructuredCloneFile);
}

inline bool StructuredCloneFile::operator==(
    const StructuredCloneFile& aOther) const {
  return this->mBlob == aOther.mBlob &&
         this->mMutableFile == aOther.mMutableFile &&
         this->mFileInfo == aOther.mFileInfo && this->mType == aOther.mType;
}

inline StructuredCloneReadInfo::StructuredCloneReadInfo(
    JS::StructuredCloneScope aScope)
    : mData(aScope), mDatabase(nullptr), mHasPreprocessInfo(false) {
  MOZ_COUNT_CTOR(StructuredCloneReadInfo);
}

inline StructuredCloneReadInfo::StructuredCloneReadInfo()
    : StructuredCloneReadInfo(
          JS::StructuredCloneScope::DifferentProcessForIndexedDB) {}

inline StructuredCloneReadInfo::StructuredCloneReadInfo(
    StructuredCloneReadInfo&& aCloneReadInfo)
    : mData(std::move(aCloneReadInfo.mData)) {
  MOZ_ASSERT(&aCloneReadInfo != this);
  MOZ_COUNT_CTOR(StructuredCloneReadInfo);

  mFiles.Clear();
  mFiles.SwapElements(aCloneReadInfo.mFiles);
  mDatabase = aCloneReadInfo.mDatabase;
  aCloneReadInfo.mDatabase = nullptr;
  mHasPreprocessInfo = aCloneReadInfo.mHasPreprocessInfo;
  aCloneReadInfo.mHasPreprocessInfo = false;
}

inline StructuredCloneReadInfo::StructuredCloneReadInfo(
    SerializedStructuredCloneReadInfo&& aCloneReadInfo)
    : mData(std::move(aCloneReadInfo.data().data)),
      mDatabase(nullptr),
      mHasPreprocessInfo(aCloneReadInfo.hasPreprocessInfo()) {
  MOZ_COUNT_CTOR(StructuredCloneReadInfo);
}

inline StructuredCloneReadInfo::~StructuredCloneReadInfo() {
  MOZ_COUNT_DTOR(StructuredCloneReadInfo);
}

inline StructuredCloneReadInfo& StructuredCloneReadInfo::operator=(
    StructuredCloneReadInfo&& aCloneReadInfo) {
  MOZ_ASSERT(&aCloneReadInfo != this);

  mData = std::move(aCloneReadInfo.mData);
  mFiles.Clear();
  mFiles.SwapElements(aCloneReadInfo.mFiles);
  mDatabase = aCloneReadInfo.mDatabase;
  aCloneReadInfo.mDatabase = nullptr;
  mHasPreprocessInfo = aCloneReadInfo.mHasPreprocessInfo;
  aCloneReadInfo.mHasPreprocessInfo = false;
  return *this;
}

inline size_t StructuredCloneReadInfo::Size() const {
  size_t size = mData.Size();

  for (uint32_t i = 0, count = mFiles.Length(); i < count; ++i) {
    // We don't want to calculate the size of files and so on, because are
    // mainly file descriptors.
    size += sizeof(uint64_t);
  }

  return size;
}

}  // namespace indexedDB
}  // namespace dom
}  // namespace mozilla

#endif  // IndexedDatabaseInlines_h