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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(INDEXED_DATABASE)
#include "EventTarget.h"
#include "IDBActiveDOMObject.h"
#include "IDBError.h"
#include "IDBGetAllRecordsData.h"
#include "IDBGetRecordData.h"
#include "IDBKeyRangeData.h"
#include "IDBOpenDBRequest.h"
#include "IDBTransactionInfo.h"
#include "IDBTransactionMode.h"
#include "IndexedDB.h"
#include "Timer.h"
#include <wtf/Deque.h>
#include <wtf/HashMap.h>
namespace WebCore {
class DOMException;
class DOMStringList;
class IDBCursor;
class IDBCursorInfo;
class IDBDatabase;
class IDBIndex;
class IDBIndexInfo;
class IDBKey;
class IDBKeyData;
class IDBObjectStore;
class IDBObjectStoreInfo;
class IDBResultData;
class SerializedScriptValue;
struct IDBIterateCursorData;
struct IDBKeyRangeData;
namespace IDBClient {
class IDBConnectionProxy;
class TransactionOperation;
}
class IDBTransaction final : public ThreadSafeRefCounted<IDBTransaction>, public EventTargetWithInlineData, public IDBActiveDOMObject {
WTF_MAKE_ISO_ALLOCATED(IDBTransaction);
public:
static Ref<IDBTransaction> create(IDBDatabase&, const IDBTransactionInfo&);
static Ref<IDBTransaction> create(IDBDatabase&, const IDBTransactionInfo&, IDBOpenDBRequest&);
~IDBTransaction() final;
// IDBTransaction IDL
Ref<DOMStringList> objectStoreNames() const;
IDBTransactionMode mode() const { return m_info.mode(); }
IDBDatabase* db();
DOMException* error() const;
ExceptionOr<Ref<IDBObjectStore>> objectStore(const String& name);
ExceptionOr<void> abort();
EventTargetInterface eventTargetInterface() const final { return IDBTransactionEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
void refEventTarget() final { ThreadSafeRefCounted::ref(); }
void derefEventTarget() final { ThreadSafeRefCounted::deref(); }
using EventTarget::dispatchEvent;
void dispatchEvent(Event&) final;
using ThreadSafeRefCounted<IDBTransaction>::ref;
using ThreadSafeRefCounted<IDBTransaction>::deref;
const char* activeDOMObjectName() const final;
bool canSuspendForDocumentSuspension() const final;
bool hasPendingActivity() const final;
void stop() final;
const IDBTransactionInfo& info() const { return m_info; }
IDBDatabase& database() { return m_database.get(); }
const IDBDatabase& database() const { return m_database.get(); }
IDBDatabaseInfo* originalDatabaseInfo() const { return m_info.originalDatabaseInfo(); }
void didStart(const IDBError&);
void didAbort(const IDBError&);
void didCommit(const IDBError&);
bool isVersionChange() const { return mode() == IDBTransactionMode::Versionchange; }
bool isReadOnly() const { return mode() == IDBTransactionMode::Readonly; }
bool isActive() const;
Ref<IDBObjectStore> createObjectStore(const IDBObjectStoreInfo&);
void renameObjectStore(IDBObjectStore&, const String& newName);
std::unique_ptr<IDBIndex> createIndex(IDBObjectStore&, const IDBIndexInfo&);
void renameIndex(IDBIndex&, const String& newName);
Ref<IDBRequest> requestPutOrAdd(JSC::ExecState&, IDBObjectStore&, RefPtr<IDBKey>&&, SerializedScriptValue&, IndexedDB::ObjectStoreOverwriteMode);
Ref<IDBRequest> requestGetRecord(JSC::ExecState&, IDBObjectStore&, const IDBGetRecordData&);
Ref<IDBRequest> requestGetAllObjectStoreRecords(JSC::ExecState&, IDBObjectStore&, const IDBKeyRangeData&, IndexedDB::GetAllType, Optional<uint32_t> count);
Ref<IDBRequest> requestGetAllIndexRecords(JSC::ExecState&, IDBIndex&, const IDBKeyRangeData&, IndexedDB::GetAllType, Optional<uint32_t> count);
Ref<IDBRequest> requestDeleteRecord(JSC::ExecState&, IDBObjectStore&, const IDBKeyRangeData&);
Ref<IDBRequest> requestClearObjectStore(JSC::ExecState&, IDBObjectStore&);
Ref<IDBRequest> requestCount(JSC::ExecState&, IDBObjectStore&, const IDBKeyRangeData&);
Ref<IDBRequest> requestCount(JSC::ExecState&, IDBIndex&, const IDBKeyRangeData&);
Ref<IDBRequest> requestGetValue(JSC::ExecState&, IDBIndex&, const IDBKeyRangeData&);
Ref<IDBRequest> requestGetKey(JSC::ExecState&, IDBIndex&, const IDBKeyRangeData&);
Ref<IDBRequest> requestOpenCursor(JSC::ExecState&, IDBObjectStore&, const IDBCursorInfo&);
Ref<IDBRequest> requestOpenCursor(JSC::ExecState&, IDBIndex&, const IDBCursorInfo&);
void iterateCursor(IDBCursor&, const IDBIterateCursorData&);
void deleteObjectStore(const String& objectStoreName);
void deleteIndex(uint64_t objectStoreIdentifier, const String& indexName);
void addRequest(IDBRequest&);
void removeRequest(IDBRequest&);
void abortDueToFailedRequest(DOMException&);
void activate();
void deactivate();
void operationCompletedOnServer(const IDBResultData&, IDBClient::TransactionOperation&);
void operationCompletedOnClient(IDBClient::TransactionOperation&);
void finishedDispatchEventForRequest(IDBRequest&);
bool isFinishedOrFinishing() const;
bool isFinished() const { return m_state == IndexedDB::TransactionState::Finished; }
bool didDispatchAbortOrCommit() const { return m_didDispatchAbortOrCommit; }
IDBClient::IDBConnectionProxy& connectionProxy();
void connectionClosedFromServer(const IDBError&);
void visitReferencedObjectStores(JSC::SlotVisitor&) const;
WEBCORE_EXPORT static std::atomic<unsigned> numberOfIDBTransactions;
private:
IDBTransaction(IDBDatabase&, const IDBTransactionInfo&, IDBOpenDBRequest*);
void commit();
void internalAbort();
void notifyDidAbort(const IDBError&);
void finishAbortOrCommit();
void abortInProgressOperations(const IDBError&);
void scheduleOperation(Ref<IDBClient::TransactionOperation>&&);
void pendingOperationTimerFired();
void completedOperationTimerFired();
void fireOnComplete();
void fireOnAbort();
void enqueueEvent(Ref<Event>&&);
Ref<IDBRequest> requestIndexRecord(JSC::ExecState&, IDBIndex&, IndexedDB::IndexRecordType, const IDBKeyRangeData&);
void commitOnServer(IDBClient::TransactionOperation&);
void abortOnServerAndCancelRequests(IDBClient::TransactionOperation&);
void createObjectStoreOnServer(IDBClient::TransactionOperation&, const IDBObjectStoreInfo&);
void didCreateObjectStoreOnServer(const IDBResultData&);
void renameObjectStoreOnServer(IDBClient::TransactionOperation&, const uint64_t& objectStoreIdentifier, const String& newName);
void didRenameObjectStoreOnServer(const IDBResultData&);
void createIndexOnServer(IDBClient::TransactionOperation&, const IDBIndexInfo&);
void didCreateIndexOnServer(const IDBResultData&);
void renameIndexOnServer(IDBClient::TransactionOperation&, const uint64_t& objectStoreIdentifier, const uint64_t& indexIdentifier, const String& newName);
void didRenameIndexOnServer(const IDBResultData&);
void clearObjectStoreOnServer(IDBClient::TransactionOperation&, const uint64_t& objectStoreIdentifier);
void didClearObjectStoreOnServer(IDBRequest&, const IDBResultData&);
void putOrAddOnServer(IDBClient::TransactionOperation&, RefPtr<IDBKey>, RefPtr<SerializedScriptValue>, const IndexedDB::ObjectStoreOverwriteMode&);
void didPutOrAddOnServer(IDBRequest&, const IDBResultData&);
void getRecordOnServer(IDBClient::TransactionOperation&, const IDBGetRecordData&);
void didGetRecordOnServer(IDBRequest&, const IDBResultData&);
void getAllRecordsOnServer(IDBClient::TransactionOperation&, const IDBGetAllRecordsData&);
void didGetAllRecordsOnServer(IDBRequest&, const IDBResultData&);
void getCountOnServer(IDBClient::TransactionOperation&, const IDBKeyRangeData&);
void didGetCountOnServer(IDBRequest&, const IDBResultData&);
void deleteRecordOnServer(IDBClient::TransactionOperation&, const IDBKeyRangeData&);
void didDeleteRecordOnServer(IDBRequest&, const IDBResultData&);
void deleteObjectStoreOnServer(IDBClient::TransactionOperation&, const String& objectStoreName);
void didDeleteObjectStoreOnServer(const IDBResultData&);
void deleteIndexOnServer(IDBClient::TransactionOperation&, const uint64_t& objectStoreIdentifier, const String& indexName);
void didDeleteIndexOnServer(const IDBResultData&);
Ref<IDBRequest> doRequestOpenCursor(JSC::ExecState&, Ref<IDBCursor>&&);
void openCursorOnServer(IDBClient::TransactionOperation&, const IDBCursorInfo&);
void didOpenCursorOnServer(IDBRequest&, const IDBResultData&);
void iterateCursorOnServer(IDBClient::TransactionOperation&, const IDBIterateCursorData&);
void didIterateCursorOnServer(IDBRequest&, const IDBResultData&);
void transitionedToFinishing(IndexedDB::TransactionState);
void establishOnServer();
void completeNoncursorRequest(IDBRequest&, const IDBResultData&);
void completeCursorRequest(IDBRequest&, const IDBResultData&);
void schedulePendingOperationTimer();
void scheduleCompletedOperationTimer();
Ref<IDBDatabase> m_database;
IDBTransactionInfo m_info;
IndexedDB::TransactionState m_state { IndexedDB::TransactionState::Inactive };
bool m_startedOnServer { false };
IDBError m_idbError;
RefPtr<DOMException> m_domError;
Timer m_pendingOperationTimer;
Timer m_completedOperationTimer;
std::unique_ptr<Timer> m_activationTimer;
RefPtr<IDBOpenDBRequest> m_openDBRequest;
Deque<RefPtr<IDBClient::TransactionOperation>> m_pendingTransactionOperationQueue;
Deque<IDBClient::TransactionOperation*> m_transactionOperationsInProgressQueue;
Deque<std::pair<RefPtr<IDBClient::TransactionOperation>, IDBResultData>> m_completedOnServerQueue;
Deque<RefPtr<IDBClient::TransactionOperation>> m_abortQueue;
HashMap<IDBResourceIdentifier, RefPtr<IDBClient::TransactionOperation>> m_transactionOperationMap;
mutable Lock m_referencedObjectStoreLock;
HashMap<String, std::unique_ptr<IDBObjectStore>> m_referencedObjectStores;
HashMap<uint64_t, std::unique_ptr<IDBObjectStore>> m_deletedObjectStores;
HashSet<RefPtr<IDBRequest>> m_openRequests;
RefPtr<IDBRequest> m_currentlyCompletingRequest;
bool m_contextStopped { false };
bool m_didDispatchAbortOrCommit { false };
};
class TransactionActivator {
WTF_MAKE_NONCOPYABLE(TransactionActivator);
public:
TransactionActivator(IDBTransaction* transaction)
: m_transaction(transaction)
{
if (m_transaction)
m_transaction->activate();
}
~TransactionActivator()
{
if (m_transaction)
m_transaction->deactivate();
}
private:
IDBTransaction* m_transaction;
};
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)