blob: 2c3f3d4e19e31653ba1e2968e7ec1be1102268c1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// 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.
// VisitedLinkEventListener broadcasts link coloring database updates to all
// processes. It also coalesces the updates to avoid excessive broadcasting of
// messages to the renderers.
#ifndef CHROME_BROWSER_VISITEDLINK_VISITEDLINK_EVENT_LISTENER_H_
#define CHROME_BROWSER_VISITEDLINK_VISITEDLINK_EVENT_LISTENER_H_
#include <map>
#include "base/memory/linked_ptr.h"
#include "base/timer.h"
#include "chrome/browser/visitedlink/visitedlink_master.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class VisitedLinkUpdater;
namespace base {
class SharedMemory;
}
namespace content {
class BrowserContext;
} // namespace content
class VisitedLinkEventListener : public VisitedLinkMaster::Listener,
public content::NotificationObserver {
public:
VisitedLinkEventListener(VisitedLinkMaster* master,
content::BrowserContext* browser_context);
virtual ~VisitedLinkEventListener();
virtual void NewTable(base::SharedMemory* table_memory) OVERRIDE;
virtual void Add(VisitedLinkMaster::Fingerprint fingerprint) OVERRIDE;
virtual void Reset() OVERRIDE;
private:
void CommitVisitedLinks();
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
base::OneShotTimer<VisitedLinkEventListener> coalesce_timer_;
VisitedLinkCommon::Fingerprints pending_visited_links_;
content::NotificationRegistrar registrar_;
// Map between renderer child ids and their VisitedLinkUpdater.
typedef std::map<int, linked_ptr<VisitedLinkUpdater> > Updaters;
Updaters updaters_;
VisitedLinkMaster* master_;
// Used to filter RENDERER_PROCESS_CREATED notifications to renderers that
// belong to this BrowserContext.
content::BrowserContext* browser_context_;
DISALLOW_COPY_AND_ASSIGN(VisitedLinkEventListener);
};
#endif // CHROME_BROWSER_VISITEDLINK_VISITEDLINK_EVENT_LISTENER_H_
|
