// 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. Note that render processes cannot be observed through this // interface; use RenderProcessHostObserver instead. 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_