1 // Copyright 2014 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 #include "mojo/examples/pepper_container_app/plugin_module.h" 6 7 #include <string> 8 9 #include "base/files/file_path.h" 10 #include "base/logging.h" 11 #include "build/build_config.h" 12 #include "mojo/examples/pepper_container_app/interface_list.h" 13 #include "mojo/examples/pepper_container_app/plugin_instance.h" 14 #include "ppapi/c/pp_errors.h" 15 #include "ppapi/shared_impl/callback_tracker.h" 16 17 namespace mojo { 18 namespace examples { 19 20 namespace { 21 GetInterface(const char * name)22const void* GetInterface(const char* name) { 23 const void* interface = 24 InterfaceList::GetInstance()->GetBrowserInterface(name); 25 26 if (!interface) 27 LOG(WARNING) << "Interface requested " << name; 28 29 return interface; 30 } 31 32 } // namespace 33 EntryPoints()34PluginModule::EntryPoints::EntryPoints() : get_interface(NULL), 35 initialize_module(NULL), 36 shutdown_module(NULL) {} 37 PluginModule()38PluginModule::PluginModule() : callback_tracker_(new ppapi::CallbackTracker) { 39 Initialize(); 40 } 41 ~PluginModule()42PluginModule::~PluginModule() { 43 callback_tracker_->AbortAll(); 44 45 if (entry_points_.shutdown_module) 46 entry_points_.shutdown_module(); 47 } 48 CreateInstance()49scoped_ptr<PluginInstance> PluginModule::CreateInstance() { 50 return make_scoped_ptr(new PluginInstance(this)); 51 } 52 GetPluginInterface(const char * name) const53const void* PluginModule::GetPluginInterface(const char* name) const { 54 if (entry_points_.get_interface) 55 return entry_points_.get_interface(name); 56 return NULL; 57 } 58 Initialize()59void PluginModule::Initialize() { 60 // Platform-specific filename. 61 // TODO(yzshen): Don't hard-code it. 62 #if defined(OS_WIN) 63 static const wchar_t plugin_name[] = L"ppapi_example_gles2_spinning_cube.dll"; 64 #elif defined(OS_MACOSX) 65 static const char plugin_name[] = "ppapi_example_gles2_spinning_cube.plugin"; 66 #elif defined(OS_POSIX) 67 static const char plugin_name[] = "libppapi_example_gles2_spinning_cube.so"; 68 #endif 69 70 base::FilePath plugin_path(plugin_name); 71 72 base::NativeLibraryLoadError error; 73 plugin_module_.Reset(base::LoadNativeLibrary(plugin_path, &error)); 74 75 if (!plugin_module_.is_valid()) { 76 LOG(WARNING) << "Cannot load " << plugin_path.AsUTF8Unsafe() 77 << ". Error: " << error.ToString(); 78 return; 79 } 80 81 entry_points_.get_interface = 82 reinterpret_cast<PP_GetInterface_Func>( 83 plugin_module_.GetFunctionPointer("PPP_GetInterface")); 84 if (!entry_points_.get_interface) { 85 LOG(WARNING) << "No PPP_GetInterface in plugin library"; 86 return; 87 } 88 89 entry_points_.initialize_module = 90 reinterpret_cast<PP_InitializeModule_Func>( 91 plugin_module_.GetFunctionPointer("PPP_InitializeModule")); 92 if (!entry_points_.initialize_module) { 93 LOG(WARNING) << "No PPP_InitializeModule in plugin library"; 94 return; 95 } 96 97 // It's okay for PPP_ShutdownModule to not be defined and |shutdown_module| to 98 // be NULL. 99 entry_points_.shutdown_module = 100 reinterpret_cast<PP_ShutdownModule_Func>( 101 plugin_module_.GetFunctionPointer("PPP_ShutdownModule")); 102 103 int32_t result = entry_points_.initialize_module(pp_module(), 104 &GetInterface); 105 if (result != PP_OK) 106 LOG(WARNING) << "Initializing module failed with error " << result; 107 } 108 109 } // namespace examples 110 } // namespace mojo 111