1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PPAPI_CPP_MODULE_IMPL_H_ 6 #define PPAPI_CPP_MODULE_IMPL_H_ 7 8 /// @file 9 /// This file defines some simple function templates that help the C++ wrappers 10 /// (and are not for external developers to use). 11 12 #include "ppapi/cpp/module.h" 13 14 namespace pp { 15 16 namespace { 17 18 // Specialize this function to return the interface string corresponding to the 19 // PP?_XXX structure. 20 template <typename T> const char* interface_name() { 21 return NULL; 22 } 23 24 template <typename T> inline T const* get_interface() { 25 static T const* funcs = reinterpret_cast<T const*>( 26 pp::Module::Get()->GetBrowserInterface(interface_name<T>())); 27 return funcs; 28 } 29 30 template <typename T> inline bool has_interface() { 31 return get_interface<T>() != NULL; 32 } 33 34 } // namespace 35 36 } // namespace pp 37 38 #endif // PPAPI_CPP_MODULE_IMPL_H_ 39 40
