| // 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 "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: |
| 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(); |
| |
| // 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_ |