79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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_cache_DBAction_h
|
|
#define mozilla_dom_cache_DBAction_h
|
|
|
|
#include "mozilla/dom/cache/Action.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "nsString.h"
|
|
|
|
class mozIStorageConnection;
|
|
class nsIFile;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
namespace cache {
|
|
|
|
class DBAction : public Action
|
|
{
|
|
protected:
|
|
// The mode specifies whether the database should already exist or if its
|
|
// ok to create a new database.
|
|
enum Mode
|
|
{
|
|
Existing,
|
|
Create
|
|
};
|
|
|
|
explicit DBAction(Mode aMode);
|
|
|
|
// Action objects are deleted through their base pointer
|
|
virtual ~DBAction();
|
|
|
|
// Just as the resolver must be ref'd until resolve, you may also
|
|
// ref the DB connection. The connection can only be referenced from the
|
|
// target thread and must be released upon resolve.
|
|
virtual void
|
|
RunWithDBOnTarget(Resolver* aResolver, const QuotaInfo& aQuotaInfo,
|
|
nsIFile* aDBDir, mozIStorageConnection* aConn) = 0;
|
|
|
|
private:
|
|
virtual void
|
|
RunOnTarget(Resolver* aResolver, const QuotaInfo& aQuotaInfo,
|
|
Data* aOptionalData) override;
|
|
|
|
nsresult OpenConnection(const QuotaInfo& aQuotaInfo, nsIFile* aQuotaDir,
|
|
mozIStorageConnection** aConnOut);
|
|
|
|
nsresult WipeDatabase(nsIFile* aDBFile, nsIFile* aDBDir);
|
|
|
|
const Mode mMode;
|
|
};
|
|
|
|
class SyncDBAction : public DBAction
|
|
{
|
|
protected:
|
|
explicit SyncDBAction(Mode aMode);
|
|
|
|
// Action objects are deleted through their base pointer
|
|
virtual ~SyncDBAction();
|
|
|
|
virtual nsresult
|
|
RunSyncWithDBOnTarget(const QuotaInfo& aQuotaInfo, nsIFile* aDBDir,
|
|
mozIStorageConnection* aConn) = 0;
|
|
|
|
private:
|
|
virtual void
|
|
RunWithDBOnTarget(Resolver* aResolver, const QuotaInfo& aQuotaInfo,
|
|
nsIFile* aDBDir, mozIStorageConnection* aConn) override;
|
|
};
|
|
|
|
} // namespace cache
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_cache_DBAction_h
|