1// Copyright (c) 2012 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.
4
5#ifndef CONTENT_PUBLIC_BROWSER_PROFILER_SUBSCRIBER_H_
6#define CONTENT_PUBLIC_BROWSER_PROFILER_SUBSCRIBER_H_
7
8#include "content/common/content_export.h"
9
10namespace tracked_objects {
11struct ProcessDataSnapshot;
12}
13
14namespace content {
15
16// Objects interested in receiving profiler data derive from ProfilerSubscriber.
17class CONTENT_EXPORT ProfilerSubscriber {
18 public:
19  // Send number of pending processes to subscriber. |end| is set to true if it
20  // is the last time. This is called on the UI thread.
21  virtual void OnPendingProcesses(int sequence_number,
22                                  int pending_processes,
23                                  bool end) = 0;
24
25  // Send |profiler_data| back to subscriber.
26  // This is called on the UI thread.
27  virtual void OnProfilerDataCollected(
28      int sequence_number,
29      const tracked_objects::ProcessDataSnapshot& profiler_data,
30      int process_type) = 0;
31
32 protected:
33  virtual ~ProfilerSubscriber() {}
34};
35
36}  // namespace content
37
38#endif  // CONTENT_PUBLIC_BROWSER_PROFILER_SUBSCRIBER_H_
39