[email protected] | f4eaf7b9 | 2013-02-28 22:00:40 | [diff] [blame] | 1 | // 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 | |
| 10 | namespace content { |
| 11 | |
| 12 | struct ChildProcessData; |
| 13 | |
[email protected] | 0fd9c2e | 2014-02-27 03:17:20 | [diff] [blame] | 14 | // 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] | f4eaf7b9 | 2013-02-28 22:00:40 | [diff] [blame] | 17 | class 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_ |