cc: Added inline to Tile::IsReadyToDraw
[chromium-blink-merge.git] / components / visitedlink / renderer / visitedlink_slave.h
blob425c03e1be7acfe58db3157574ac95d8a421a75a
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_SLAVE_H_
6 #define COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_SLAVE_H_
8 #include "base/compiler_specific.h"
9 #include "base/memory/shared_memory.h"
10 #include "components/visitedlink/common/visitedlink_common.h"
11 #include "content/public/renderer/render_process_observer.h"
13 namespace visitedlink {
15 // Reads the link coloring database provided by the master. There can be any
16 // number of slaves reading the same database.
17 class VisitedLinkSlave : public VisitedLinkCommon,
18 public content::RenderProcessObserver {
19 public:
20 VisitedLinkSlave();
21 virtual ~VisitedLinkSlave();
23 // RenderProcessObserver implementation.
24 virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
26 // Message handlers.
27 void OnUpdateVisitedLinks(base::SharedMemoryHandle table);
28 void OnAddVisitedLinks(const VisitedLinkSlave::Fingerprints& fingerprints);
29 void OnResetVisitedLinks();
31 private:
32 void FreeTable();
34 // shared memory consists of a SharedHeader followed by the table
35 base::SharedMemory* shared_memory_;
37 DISALLOW_COPY_AND_ASSIGN(VisitedLinkSlave);
40 } // namespace visitedlink
42 #endif // COMPONENTS_VISITEDLINK_RENDERER_VISITEDLINK_SLAVE_H_