gecko-dev/dom/indexedDB/IndexedDatabase.h

176 lines
4.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_indexeddb_indexeddatabase_h__
#define mozilla_dom_indexeddb_indexeddatabase_h__
#include "nsIProgrammingLanguage.h"
#include "mozilla/Attributes.h"
#include "jsapi.h"
#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "nsDebug.h"
#include "nsError.h"
#include "nsStringGlue.h"
#include "nsTArray.h"
#define BEGIN_INDEXEDDB_NAMESPACE \
namespace mozilla { namespace dom { namespace indexedDB {
#define END_INDEXEDDB_NAMESPACE \
} /* namespace indexedDB */ } /* namepsace dom */ } /* namespace mozilla */
#define USING_INDEXEDDB_NAMESPACE \
using namespace mozilla::dom::indexedDB;
class nsIDOMBlob;
class nsIInputStream;
BEGIN_INDEXEDDB_NAMESPACE
class FileInfo;
class IDBDatabase;
class IDBTransaction;
template <class T>
void SwapData(T& aData1, T& aData2)
{
T temp = aData2;
aData2 = aData1;
aData1 = temp;
}
struct StructuredCloneFile
{
bool operator==(const StructuredCloneFile& aOther) const
{
return this->mFile == aOther.mFile &&
this->mFileInfo == aOther.mFileInfo &&
this->mInputStream == aOther.mInputStream;
}
nsCOMPtr<nsIDOMBlob> mFile;
nsRefPtr<FileInfo> mFileInfo;
nsCOMPtr<nsIInputStream> mInputStream;
};
struct SerializedStructuredCloneReadInfo;
struct StructuredCloneReadInfo
{
// In IndexedDatabaseInlines.h
inline StructuredCloneReadInfo();
void Swap(StructuredCloneReadInfo& aCloneReadInfo)
{
mCloneBuffer.swap(aCloneReadInfo.mCloneBuffer);
mFiles.SwapElements(aCloneReadInfo.mFiles);
SwapData(mDatabase, aCloneReadInfo.mDatabase);
}
// In IndexedDatabaseInlines.h
inline bool
SetFromSerialized(const SerializedStructuredCloneReadInfo& aOther);
JSAutoStructuredCloneBuffer mCloneBuffer;
nsTArray<StructuredCloneFile> mFiles;
IDBDatabase* mDatabase;
};
struct SerializedStructuredCloneReadInfo
{
SerializedStructuredCloneReadInfo()
: data(nullptr), dataLength(0)
{ }
bool
operator==(const SerializedStructuredCloneReadInfo& aOther) const
{
return this->data == aOther.data &&
this->dataLength == aOther.dataLength;
}
SerializedStructuredCloneReadInfo&
operator=(const StructuredCloneReadInfo& aOther)
{
data = aOther.mCloneBuffer.data();
dataLength = aOther.mCloneBuffer.nbytes();
return *this;
}
// Make sure to update ipc/SerializationHelpers.h when changing members here!
uint64_t* data;
size_t dataLength;
};
struct SerializedStructuredCloneWriteInfo;
struct StructuredCloneWriteInfo
{
// In IndexedDatabaseInlines.h
inline StructuredCloneWriteInfo();
void Swap(StructuredCloneWriteInfo& aCloneWriteInfo)
{
mCloneBuffer.swap(aCloneWriteInfo.mCloneBuffer);
mFiles.SwapElements(aCloneWriteInfo.mFiles);
SwapData(mTransaction, aCloneWriteInfo.mTransaction);
SwapData(mOffsetToKeyProp, aCloneWriteInfo.mOffsetToKeyProp);
}
bool operator==(const StructuredCloneWriteInfo& aOther) const
{
return this->mCloneBuffer.nbytes() == aOther.mCloneBuffer.nbytes() &&
this->mCloneBuffer.data() == aOther.mCloneBuffer.data() &&
this->mFiles == aOther.mFiles &&
this->mTransaction == aOther.mTransaction &&
this->mOffsetToKeyProp == aOther.mOffsetToKeyProp;
}
// In IndexedDatabaseInlines.h
inline bool
SetFromSerialized(const SerializedStructuredCloneWriteInfo& aOther);
JSAutoStructuredCloneBuffer mCloneBuffer;
nsTArray<StructuredCloneFile> mFiles;
IDBTransaction* mTransaction;
uint64_t mOffsetToKeyProp;
};
struct SerializedStructuredCloneWriteInfo
{
SerializedStructuredCloneWriteInfo()
: data(nullptr), dataLength(0), offsetToKeyProp(0)
{ }
bool
operator==(const SerializedStructuredCloneWriteInfo& aOther) const
{
return this->data == aOther.data &&
this->dataLength == aOther.dataLength &&
this->offsetToKeyProp == aOther.offsetToKeyProp;
}
SerializedStructuredCloneWriteInfo&
operator=(const StructuredCloneWriteInfo& aOther)
{
data = aOther.mCloneBuffer.data();
dataLength = aOther.mCloneBuffer.nbytes();
offsetToKeyProp = aOther.mOffsetToKeyProp;
return *this;
}
// Make sure to update ipc/SerializationHelpers.h when changing members here!
uint64_t* data;
size_t dataLength;
uint64_t offsetToKeyProp;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_indexeddatabase_h__