Add in support for internal pepper plugins into the PepperPluginRegistry and pepper::PluginModule.

webkit/glue/plugins/pepper_plugin_module.h

 // Copyright (c) 2010 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 WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
 #define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/native_library.h"
 #include "base/ref_counted.h"
 #include "third_party/ppapi/c/pp_module.h"
+#include "third_party/ppapi/c/ppb.h"
 
 namespace pepper {
 
 class PluginDelegate;
 class PluginInstance;
 
 class PluginModule : public base::RefCounted<PluginModule> {
  public:
+  typedef const void* (*PPP_GetInterfaceFunc)(const char*);
+  typedef int (*PPP_InitializeModuleFunc)(PP_Module, PPB_GetInterface);
+  typedef void (*PPP_ShutdownModuleFunc)();
+
+  struct EntryPoints {
+    EntryPoints()
+        : get_interface(NULL),
+          initialize_module(NULL),
+          shutdown_module(NULL) {
+    }
+
+    PPP_GetInterfaceFunc get_interface;
+    PPP_InitializeModuleFunc initialize_module;
+    PPP_ShutdownModuleFunc shutdown_module;
+  };
+
   ~PluginModule();
 
-  static scoped_refptr<PluginModule> CreateModule(const FilePath& filename);
+  static scoped_refptr<PluginModule> CreateModule(const FilePath& path);
+  static scoped_refptr<PluginModule> CreateInternalModule(
+      EntryPoints entry_points);
 
   // Converts the given module ID to an actual module object. Will return NULL
   // if the module is invalid.
   static PluginModule* FromPPModule(PP_Module module);
 
   PP_Module GetPPModule() const;
 
   PluginInstance* CreateInstance(PluginDelegate* delegate);
 
   // Returns "some" plugin instance associated with this module. This is not
   // guaranteed to be any one in particular. This is normally used to execute
   // callbacks up to the browser layer that are not inherently per-instance,
   // but the delegate lives only on the plugin instance so we need one of them.
   PluginInstance* GetSomeInstance() const;
 
   const void* GetPluginInterface(const char* name) const;
 
   // This module is associated with a set of instances. The PluginInstance
   // object declares its association with this module in its destructor and
   // releases us in its destructor.
   void InstanceCreated(PluginInstance* instance);
   void InstanceDeleted(PluginInstance* instance);
 
  private:
-  typedef const void* (*PPP_GetInterfaceFunc)(const char*);
+  PluginModule();
 
-  explicit PluginModule(const FilePath& filename);
-
-  bool Load();
-
-  FilePath filename_;
+  bool InitFromEntryPoints(const EntryPoints& entry_points);
+  bool InitFromFile(const FilePath& path);
+  static bool LoadEntryPoints(const base::NativeLibrary& library,
+                              EntryPoints* entry_points);
 
   bool initialized_;
+
+  // Holds a reference to the base::NativeLibrary handle if this PluginModule
+  // instance wraps functions loaded from a library.  Can be NULL.  If
+  // |library_| is non-NULL, PluginModule will attempt to unload the library
+  // during destruction.
   base::NativeLibrary library_;
 
-  PPP_GetInterfaceFunc ppp_get_interface_;
+  // Contains pointers to the entry points of the actual plugin
+  // implementation.
+  EntryPoints entry_points_;
 
   // Non-owning pointers to all instances associated with this module. When
   // there are no more instances, this object should be deleted.
   typedef std::set<PluginInstance*> PluginInstanceSet;
   PluginInstanceSet instances_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginModule);
 };
 
 }  // namespace pepper
 
 #endif  // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_