root/content/public/browser/browser_child_process_host_delegate.h

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INCLUDED FROM

// Copyright (c) 2012 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_HOST_DELEGATE_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_DELEGATE_H_

#include "content/common/content_export.h"
#include "ipc/ipc_listener.h"

namespace content {

// Interface that all users of BrowserChildProcessHost need to provide.
class CONTENT_EXPORT BrowserChildProcessHostDelegate : public IPC::Listener {
 public:
  virtual ~BrowserChildProcessHostDelegate() {}

  // Delegates return true if it's ok to shut down the child process (which is
  // the default return value). The exception is if the host is in the middle of
  // sending a request to the process, in which case the other side might think
  // it's ok to shutdown, when really it's not.
  virtual bool CanShutdown();

  // Called when the process has been started.
  virtual void OnProcessLaunched() {}

  // Called if the process failed to launch.  In this case the process never
  // started so there is no available exit code.
  virtual void OnProcessLaunchFailed() {}

  // Called if the process crashed. |exit_code| is the status returned when the
  // process crashed (for posix, as returned from waitpid(), for Windows, as
  // returned from GetExitCodeProcess()).
  virtual void OnProcessCrashed(int exit_code) {}
};

};  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_DELEGATE_H_
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