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// 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_COMMON_CHILD_PROCESS_HOST_DELEGATE_H_
#define CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_DELEGATE_H_
#include <string>
#include "base/process/process.h"
#include "content/common/content_export.h"
#include "ipc/ipc_listener.h"
namespace content {
// Interface that all users of ChildProcessHost need to provide.
class ChildProcessHostDelegate : public IPC::Listener {
public:
~ChildProcessHostDelegate() override {}
// 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();
// Called when the child process unexpected closes the IPC channel. Delegates
// would normally delete the object in this case.
virtual void OnChildDisconnected() {}
// Returns a reference to the child process. This can be called only after
// OnProcessLaunched is called or it will be invalid and may crash.
virtual const base::Process& GetProcess() const = 0;
};
}; // namespace content
#endif // CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_DELEGATE_H_
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