| // Copyright 2013 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. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_OBSERVER_H_ |
| #define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_OBSERVER_H_ |
| |
| #include "content/common/content_export.h" |
| |
| namespace content { |
| |
| struct ChildProcessData; |
| |
| // An observer API implemented by classes which are interested |
| // in browser child process events. |
| class CONTENT_EXPORT BrowserChildProcessObserver { |
| public: |
| // Called when a child process host has connected to a child process. |
| virtual void BrowserChildProcessHostConnected(const ChildProcessData& data) {} |
| |
| // Called after a ChildProcessHost is disconnected from the child process. |
| virtual void BrowserChildProcessHostDisconnected( |
| const ChildProcessData& data) {} |
| |
| // Called when a child process disappears unexpectedly as a result of a crash. |
| virtual void BrowserChildProcessCrashed(const ChildProcessData& data) {} |
| |
| // Called when an instance of a particular child is created in a page. If one |
| // page contains several regions rendered by the same child, this will be |
| // called once for each region during the page load. |
| virtual void BrowserChildProcessInstanceCreated( |
| const ChildProcessData& data) {} |
| |
| protected: |
| // The observer can be destroyed on any thread. |
| virtual ~BrowserChildProcessObserver() {} |
| |
| static void Add(BrowserChildProcessObserver* observer); |
| static void Remove(BrowserChildProcessObserver* observer); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_OBSERVER_H_ |