| // Copyright (c) 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 LIBRARIES_NACL_IO_PEPPER_INTERFACE_DUMMY_H_ |
| #define LIBRARIES_NACL_IO_PEPPER_INTERFACE_DUMMY_H_ |
| |
| #include "nacl_io/pepper_interface.h" |
| |
| // This class simplifies implementing a PepperInterface-derived class where you |
| // don't care about certain interfaces. All interface-getters return NULL by |
| // default. |
| // |
| // For example: |
| // |
| // class FooPepperInterface : public PepperInterfaceDummy { |
| // public: |
| // CoreInterface* GetCoreInterface() { ... }; |
| // }; |
| // |
| // // FooPepperInterface is not abstract -- all pure virtual functions have |
| // been defined to return NULL. |
| |
| namespace nacl_io { |
| |
| class PepperInterfaceDummy : public PepperInterface { |
| public: |
| PepperInterfaceDummy() {} |
| virtual ~PepperInterfaceDummy() {} |
| virtual PP_Instance GetInstance() { return 0; } |
| |
| // Interface getters. |
| #include "nacl_io/pepper/undef_macros.h" |
| #include "nacl_io/pepper/define_empty_macros.h" |
| #undef BEGIN_INTERFACE |
| #define BEGIN_INTERFACE(BaseClass, PPInterface, InterfaceString) \ |
| virtual BaseClass* Get##BaseClass() { return NULL; } |
| #include "nacl_io/pepper/all_interfaces.h" |
| }; |
| |
| } // namespace nacl_io |
| |
| #endif // LIBRARIES_NACL_IO_PEPPER_INTERFACE_DUMMY_H_ |
