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/* -*- 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
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