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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SYNC_ENGINE_DIRECTORY_CRYPTOGRAPHER_PROVIDER_H_
#define SYNC_ENGINE_DIRECTORY_CRYPTOGRAPHER_PROVIDER_H_
#include "sync/engine/cryptographer_provider.h"
#include "sync/syncable/syncable_read_transaction.h"
namespace syncer {
namespace syncable {
class Directory;
}
// Provides access to the Directory's cryptographer through the
// CryptographerProvider interface.
class DirectoryCryptographerProvider : public CryptographerProvider {
public:
DirectoryCryptographerProvider(syncable::Directory* dir);
virtual ~DirectoryCryptographerProvider();
virtual bool InitScopedCryptographerRef(
ScopedCryptographerRef* scoped) OVERRIDE;
private:
syncable::Directory* dir_;
};
// An implementation detail of the DirectoryCryptographerProvider. Contains
// the ReadTransaction used to safely access the Cryptographer.
class ScopedDirectoryCryptographerInternal
: public ScopedCryptographerInternal {
public:
ScopedDirectoryCryptographerInternal(syncable::Directory* dir);
virtual ~ScopedDirectoryCryptographerInternal();
virtual Cryptographer* Get() const OVERRIDE;
private:
syncable::Directory* dir_;
syncable::ReadTransaction trans_;
DISALLOW_COPY_AND_ASSIGN(ScopedDirectoryCryptographerInternal);
};
} // namespace syncer
#endif // SYNC_ENGINE_DIRECTORY_CRYPTOGRAPHER_PROVIDER_H_
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