gecko-dev/dom/cache/Connection.cpp

287 строки
6.7 KiB
C++

/* -*- 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/. */
#include "mozilla/dom/cache/Connection.h"
#include "mozilla/dom/cache/DBSchema.h"
#include "mozStorageHelper.h"
namespace mozilla {
namespace dom {
namespace cache {
using mozilla::dom::quota::QuotaObject;
NS_IMPL_ISUPPORTS(cache::Connection, mozIStorageAsyncConnection,
mozIStorageConnection);
Connection::Connection(mozIStorageConnection* aBase)
: mBase(aBase)
, mClosed(false)
{
MOZ_DIAGNOSTIC_ASSERT(mBase);
}
Connection::~Connection()
{
NS_ASSERT_OWNINGTHREAD(Connection);
MOZ_ALWAYS_SUCCEEDS(Close());
}
NS_IMETHODIMP
Connection::Close()
{
NS_ASSERT_OWNINGTHREAD(Connection);
if (mClosed) {
return NS_OK;
}
mClosed = true;
// If we are closing here, then Cache must not have a transaction
// open anywhere else. This should be guaranteed to succeed.
MOZ_ALWAYS_SUCCEEDS(db::IncrementalVacuum(this));
return mBase->Close();
}
// The following methods are all boilerplate that either forward to the
// base connection or block the method. All the async execution methods
// are blocked because Cache does not use them and they would require more
// work to wrap properly.
// mozIStorageAsyncConnection methods
NS_IMETHODIMP
Connection::AsyncClose(mozIStorageCompletionCallback*)
{
// async methods are not supported
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Connection::AsyncClone(bool, mozIStorageCompletionCallback*)
{
// async methods are not supported
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Connection::GetDatabaseFile(nsIFile** aFileOut)
{
return mBase->GetDatabaseFile(aFileOut);
}
NS_IMETHODIMP
Connection::CreateAsyncStatement(const nsACString&, mozIStorageAsyncStatement**)
{
// async methods are not supported
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Connection::ExecuteAsync(mozIStorageBaseStatement**, uint32_t,
mozIStorageStatementCallback*,
mozIStoragePendingStatement**)
{
// async methods are not supported
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Connection::ExecuteSimpleSQLAsync(const nsACString&,
mozIStorageStatementCallback*,
mozIStoragePendingStatement**)
{
// async methods are not supported
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Connection::CreateFunction(const nsACString& aFunctionName,
int32_t aNumArguments,
mozIStorageFunction* aFunction)
{
// async methods are not supported
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Connection::CreateAggregateFunction(const nsACString& aFunctionName,
int32_t aNumArguments,
mozIStorageAggregateFunction* aFunction)
{
return mBase->CreateAggregateFunction(aFunctionName, aNumArguments,
aFunction);
}
NS_IMETHODIMP
Connection::RemoveFunction(const nsACString& aFunctionName)
{
return mBase->RemoveFunction(aFunctionName);
}
NS_IMETHODIMP
Connection::SetProgressHandler(int32_t aGranularity,
mozIStorageProgressHandler* aHandler,
mozIStorageProgressHandler** aHandlerOut)
{
return mBase->SetProgressHandler(aGranularity, aHandler, aHandlerOut);
}
NS_IMETHODIMP
Connection::RemoveProgressHandler(mozIStorageProgressHandler** aHandlerOut)
{
return mBase->RemoveProgressHandler(aHandlerOut);
}
// mozIStorageConnection methods
NS_IMETHODIMP
Connection::Clone(bool aReadOnly, mozIStorageConnection** aConnectionOut)
{
nsCOMPtr<mozIStorageConnection> conn;
nsresult rv = mBase->Clone(aReadOnly, getter_AddRefs(conn));
if (NS_WARN_IF(NS_FAILED(rv))) { return rv; }
nsCOMPtr<mozIStorageConnection> wrapped = new Connection(conn);
wrapped.forget(aConnectionOut);
return rv;
}
NS_IMETHODIMP
Connection::GetDefaultPageSize(int32_t* aSizeOut)
{
return mBase->GetDefaultPageSize(aSizeOut);
}
NS_IMETHODIMP
Connection::GetConnectionReady(bool* aReadyOut)
{
return mBase->GetConnectionReady(aReadyOut);
}
NS_IMETHODIMP
Connection::GetLastInsertRowID(int64_t* aRowIdOut)
{
return mBase->GetLastInsertRowID(aRowIdOut);
}
NS_IMETHODIMP
Connection::GetAffectedRows(int32_t* aCountOut)
{
return mBase->GetAffectedRows(aCountOut);
}
NS_IMETHODIMP
Connection::GetLastError(int32_t* aErrorOut)
{
return mBase->GetLastError(aErrorOut);
}
NS_IMETHODIMP
Connection::GetLastErrorString(nsACString& aErrorOut)
{
return mBase->GetLastErrorString(aErrorOut);
}
NS_IMETHODIMP
Connection::GetSchemaVersion(int32_t* aVersionOut)
{
return mBase->GetSchemaVersion(aVersionOut);
}
NS_IMETHODIMP
Connection::SetSchemaVersion(int32_t aVersion)
{
return mBase->SetSchemaVersion(aVersion);
}
NS_IMETHODIMP
Connection::CreateStatement(const nsACString& aQuery,
mozIStorageStatement** aStatementOut)
{
return mBase->CreateStatement(aQuery, aStatementOut);
}
NS_IMETHODIMP
Connection::ExecuteSimpleSQL(const nsACString& aQuery)
{
return mBase->ExecuteSimpleSQL(aQuery);
}
NS_IMETHODIMP
Connection::TableExists(const nsACString& aTableName, bool* aExistsOut)
{
return mBase->TableExists(aTableName, aExistsOut);
}
NS_IMETHODIMP
Connection::IndexExists(const nsACString& aIndexName, bool* aExistsOut)
{
return mBase->IndexExists(aIndexName, aExistsOut);
}
NS_IMETHODIMP
Connection::GetTransactionInProgress(bool* aResultOut)
{
return mBase->GetTransactionInProgress(aResultOut);
}
NS_IMETHODIMP
Connection::BeginTransaction()
{
return mBase->BeginTransaction();
}
NS_IMETHODIMP
Connection::BeginTransactionAs(int32_t aType)
{
return mBase->BeginTransactionAs(aType);
}
NS_IMETHODIMP
Connection::CommitTransaction()
{
return mBase->CommitTransaction();
}
NS_IMETHODIMP
Connection::RollbackTransaction()
{
return mBase->RollbackTransaction();
}
NS_IMETHODIMP
Connection::CreateTable(const char* aTable, const char* aSchema)
{
return mBase->CreateTable(aTable, aSchema);
}
NS_IMETHODIMP
Connection::SetGrowthIncrement(int32_t aIncrement, const nsACString& aDatabase)
{
return mBase->SetGrowthIncrement(aIncrement, aDatabase);
}
NS_IMETHODIMP
Connection::EnableModule(const nsACString& aModule)
{
return mBase->EnableModule(aModule);
}
NS_IMETHODIMP
Connection::GetQuotaObjects(QuotaObject** aDatabaseQuotaObject,
QuotaObject** aJournalQuotaObject)
{
return mBase->GetQuotaObjects(aDatabaseQuotaObject, aJournalQuotaObject);
}
} // namespace cache
} // namespace dom
} // namespace mozilla