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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 | |
22 const 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 | |
34 PluginModule::EntryPoints::EntryPoints() : get_interface(NULL), | |
35 initialize_module(NULL), | |
36 shutdown_module(NULL) {} | |
37 | |
38 PluginModule::PluginModule() : callback_tracker_(new ppapi::CallbackTracker) { | |
39 Initialize(); | |
40 } | |
41 | |
42 PluginModule::~PluginModule() { | |
43 callback_tracker_->AbortAll(); | |
44 | |
45 if (entry_points_.shutdown_module) | |
46 entry_points_.shutdown_module(); | |
47 } | |
48 | |
49 scoped_ptr<PluginInstance> PluginModule::CreateInstance() { | |
50 return make_scoped_ptr(new PluginInstance(this)); | |
51 } | |
52 | |
53 const 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 | |
59 void 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 | |
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