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// Copyright (c) 2011 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_COMMON_CHILD_PROCESS_HOST_DELEGATE_H_
#define CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_DELEGATE_H_
#pragma once
#include <string>
#include "content/common/content_export.h"
#include "ipc/ipc_channel.h"
namespace content {
// Interface that all users of ChildProcessHost need to provide.
class ChildProcessHostDelegate : public IPC::Channel::Listener {
public:
virtual ~ChildProcessHostDelegate() {}
// 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.
CONTENT_EXPORT virtual bool CanShutdown();
// Notifies the derived class that we told the child process to kill itself.
virtual void ShutdownStarted() {}
// Called when the child process unexpected closes the IPC channel. Delegates
// would normally delete the object in this case.
virtual void OnChildDisconnected() {}
};
}; // namespace content
#endif // CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_DELEGATE_H_
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