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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_READER_H_
- #define COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_READER_H_
- #include "base/compiler_specific.h"
- #include "base/memory/read_only_shared_memory_region.h"
- #include "base/memory/shared_memory_mapping.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/pending_receiver.h"
- #include "mojo/public/cpp/bindings/receiver.h"
- namespace visitedlink {
- // Reads the link coloring database provided by the writer. There can be any
- // number of readers reading the same database.
- class VisitedLinkReader : public VisitedLinkCommon,
- public mojom::VisitedLinkNotificationSink {
- public:
- VisitedLinkReader();
- VisitedLinkReader(const VisitedLinkReader&) = delete;
- VisitedLinkReader& operator=(const VisitedLinkReader&) = delete;
- ~VisitedLinkReader() override;
- base::RepeatingCallback<
- void(mojo::PendingReceiver<mojom::VisitedLinkNotificationSink>)>
- GetBindCallback();
- // mojom::VisitedLinkNotificationSink overrides.
- void UpdateVisitedLinks(
- base::ReadOnlySharedMemoryRegion table_region) override;
- void AddVisitedLinks(
- const std::vector<VisitedLinkReader::Fingerprint>& fingerprints) override;
- void ResetVisitedLinks(bool invalidate_hashes) override;
- private:
- void FreeTable();
- void Bind(mojo::PendingReceiver<mojom::VisitedLinkNotificationSink> receiver);
- base::ReadOnlySharedMemoryMapping table_mapping_;
- mojo::Receiver<mojom::VisitedLinkNotificationSink> receiver_{this};
- base::WeakPtrFactory<VisitedLinkReader> weak_factory_{this};
- };
- } // namespace visitedlink
- #endif // COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_READER_H_
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