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// Copyright (c) 2011 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 COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_SLAVE_H_
#define COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_SLAVE_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "components/visitedlink/common/visitedlink.mojom.h"
#include "components/visitedlink/common/visitedlink_common.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "mojo/public/cpp/system/buffer.h"
namespace visitedlink {
// Reads the link coloring database provided by the master. There can be any
// number of slaves reading the same database.
class VisitedLinkSlave : public VisitedLinkCommon,
public mojom::VisitedLinkNotificationSink {
public:
VisitedLinkSlave();
~VisitedLinkSlave() override;
base::Callback<void(mojom::VisitedLinkNotificationSinkRequest)>
GetBindCallback();
// mojom::VisitedLinkNotificationSink overrides.
void UpdateVisitedLinks(mojo::ScopedSharedBufferHandle table) override;
void AddVisitedLinks(
const std::vector<VisitedLinkSlave::Fingerprint>& fingerprints) override;
void ResetVisitedLinks(bool invalidate_hashes) override;
private:
void FreeTable();
void Bind(mojom::VisitedLinkNotificationSinkRequest request);
mojo::ScopedSharedBufferMapping table_mapping_;
mojo::Binding<mojom::VisitedLinkNotificationSink> binding_;
base::WeakPtrFactory<VisitedLinkSlave> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(VisitedLinkSlave);
};
} // namespace visitedlink
#endif // COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_SLAVE_H_
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