| // 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/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/binding.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( |
| base::ReadOnlySharedMemoryRegion table_region) override; |
| void AddVisitedLinks( |
| const std::vector<VisitedLinkSlave::Fingerprint>& fingerprints) override; |
| void ResetVisitedLinks(bool invalidate_hashes) override; |
| |
| private: |
| void FreeTable(); |
| |
| void Bind(mojom::VisitedLinkNotificationSinkRequest request); |
| |
| base::ReadOnlySharedMemoryMapping 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_ |