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[email protected]f4eaf7b92013-02-28 22:00:401// Copyright 2013 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_BROWSER_CHILD_PROCESS_OBSERVER_H_
6#define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_OBSERVER_H_
7
8#include "content/common/content_export.h"
9
10namespace content {
11
12struct ChildProcessData;
13
[email protected]0fd9c2e2014-02-27 03:17:2014// An observer API implemented by classes which are interested in browser child
15// process events. Note that render processes cannot be observed through this
16// interface; use RenderProcessHostObserver instead.
[email protected]f4eaf7b92013-02-28 22:00:4017class CONTENT_EXPORT BrowserChildProcessObserver {
18 public:
19 // Called when a child process host has connected to a child process.
20 virtual void BrowserChildProcessHostConnected(const ChildProcessData& data) {}
21
22 // Called after a ChildProcessHost is disconnected from the child process.
23 virtual void BrowserChildProcessHostDisconnected(
24 const ChildProcessData& data) {}
25
26 // Called when a child process disappears unexpectedly as a result of a crash.
27 virtual void BrowserChildProcessCrashed(const ChildProcessData& data) {}
28
29 // Called when an instance of a particular child is created in a page. If one
30 // page contains several regions rendered by the same child, this will be
31 // called once for each region during the page load.
32 virtual void BrowserChildProcessInstanceCreated(
33 const ChildProcessData& data) {}
34
35 protected:
36 // The observer can be destroyed on any thread.
37 virtual ~BrowserChildProcessObserver() {}
38
39 static void Add(BrowserChildProcessObserver* observer);
40 static void Remove(BrowserChildProcessObserver* observer);
41};
42
43} // namespace content
44
45#endif // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_OBSERVER_H_