Replaced BaseNPObject with DefaultNPObject because......

o3d/gpu_plugin/np_utils/np_class.h

 // Copyright (c) 2006-2008 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 O3D_GPU_PLUGIN_NP_UTILS_BASE_NP_OBJECT_H_
-#define O3D_GPU_PLUGIN_NP_UTILS_BASE_NP_OBJECT_H_
+#ifndef O3D_GPU_PLUGIN_NP_UTILS_NP_CLASS_H_
+#define O3D_GPU_PLUGIN_NP_UTILS_NP_CLASS_H_
 
+#include "o3d/gpu_plugin/np_utils/np_object_pointer.h"
 #include "third_party/npapi/bindings/npapi.h"
 #include "third_party/npapi/bindings/npruntime.h"
 
+// This file implements NPGetClass<T>. This function returns an NPClass
+// that can be used to instantiate an NPObject subclass T. The NPClass
+// function pointers will invoke the most derived corresponding member
+// functions in T.
+
 namespace o3d {
 namespace gpu_plugin {
 
-// This class is a base class for NPObjects implemented in C++. It forwards
-// The NPObject calls through to virtual functions implemented by the subclass.
-class BaseNPObject : public NPObject {
- public:
-  // Returns the NPClass for the concrete BaseNPObject subclass T.
-  template <typename NPObjectType>
-  static const NPClass* GetNPClass();
-
-  NPP npp() const {
-    return npp_;
-  }
-
-  // Override these in subclass.
-  virtual void Invalidate();
-
-  virtual bool HasMethod(NPIdentifier name);
-
-  virtual bool Invoke(NPIdentifier name,
-                      const NPVariant* args,
-                      uint32_t num_args,
-                      NPVariant* result);
-
-  virtual bool InvokeDefault(const NPVariant* args,
-                             uint32_t num_args,
-                             NPVariant* result);
-
-  virtual bool HasProperty(NPIdentifier name);
-
-  virtual bool GetProperty(NPIdentifier name, NPVariant* result);
-
-  virtual bool SetProperty(NPIdentifier name, const NPVariant* value);
-
-  virtual bool RemoveProperty(NPIdentifier name);
-
-  virtual bool Enumerate(NPIdentifier** names,
-                         uint32_t* count);
-
-  virtual bool Construct(const NPVariant* args,
-                         uint32_t num_args,
-                         NPVariant* result);
-
- protected:
-
-  explicit BaseNPObject(NPP npp);
-  virtual ~BaseNPObject();
-
- private:
+namespace np_class_impl {
   // This template version of the NPClass allocate function creates a subclass
   // of BaseNPObject.
   template <typename NPObjectType>
-  static NPObject* AllocateImpl(NPP npp, NPClass*) {
+  static NPObject* Allocate(NPP npp, NPClass*) {
     return new NPObjectType(npp);
   }
 
   // These implementations of the NPClass functions forward to the virtual
-  // functions in BaseNPObject.
-  static void DeallocateImpl(NPObject* object);
+  // functions in DefaultNPObject.
+  template <typename NPObjectType>
+  static void Deallocate(NPObject* object) {
+    delete static_cast<NPObjectType*>(object);
+  }
 
-  static void InvalidateImpl(NPObject* object);
+  template <typename NPObjectType>
+  static void Invalidate(NPObject* object) {
+    return static_cast<NPObjectType*>(object)->Invalidate();
+  }
 
-  static bool HasMethodImpl(NPObject* object, NPIdentifier name);
+  template <typename NPObjectType>
+  static bool HasMethod(NPObject* object, NPIdentifier name) {
+    return static_cast<NPObjectType*>(object)->HasMethod(name);
+  }
 
-  static bool InvokeImpl(NPObject* object,
-                         NPIdentifier name,
-                         const NPVariant* args,
-                         uint32_t num_args,
-                         NPVariant* result);
+  template <typename NPObjectType>
+  static bool Invoke(NPObject* object,
+                     NPIdentifier name,
+                     const NPVariant* args,
+                     uint32_t num_args,
+                     NPVariant* result) {
+    return static_cast<NPObjectType*>(object)->Invoke(
+        name, args, num_args, result);
+  }
 
-  static bool InvokeDefaultImpl(NPObject* object,
-                                const NPVariant* args,
-                                uint32_t num_args,
-                                NPVariant* result);
-
-  static bool HasPropertyImpl(NPObject* object, NPIdentifier name);
-
-  static bool GetPropertyImpl(NPObject* object,
-                              NPIdentifier name,
-                              NPVariant* result);
-
-  static bool SetPropertyImpl(NPObject* object,
-                              NPIdentifier name,
-                              const NPVariant* value);
-
-  static bool RemovePropertyImpl(NPObject* object, NPIdentifier name);
-
-  static bool EnumerateImpl(NPObject* object,
-                            NPIdentifier** names,
-                            uint32_t* count);
-
-  static bool ConstructImpl(NPObject* object,
+  template <typename NPObjectType>
+  static bool InvokeDefault(NPObject* object,
                             const NPVariant* args,
                             uint32_t num_args,
-                            NPVariant* result);
+                            NPVariant* result) {
+    return static_cast<NPObjectType*>(object)->InvokeDefault(
+        args, num_args, result);
+  }
 
-  NPP npp_;
+  template <typename NPObjectType>
+  static bool HasProperty(NPObject* object, NPIdentifier name) {
+    return static_cast<NPObjectType*>(object)->HasProperty(name);
+  }
 
-  DISALLOW_COPY_AND_ASSIGN(BaseNPObject);
-};
+  template <typename NPObjectType>
+  static bool GetProperty(NPObject* object,
+                          NPIdentifier name,
+                          NPVariant* result) {
+    return static_cast<NPObjectType*>(object)->GetProperty(name, result);
+  }
+
+  template <typename NPObjectType>
+  static bool SetProperty(NPObject* object,
+                              NPIdentifier name,
+                              const NPVariant* value) {
+    return static_cast<NPObjectType*>(object)->SetProperty(name, value);
+  }
+
+  template <typename NPObjectType>
+  static bool RemoveProperty(NPObject* object, NPIdentifier name) {
+    return static_cast<NPObjectType*>(object)->RemoveProperty(name);
+  }
+
+  template <typename NPObjectType>
+  static bool Enumerate(NPObject* object,
+                            NPIdentifier** names,
+                            uint32_t* count) {
+    return static_cast<NPObjectType*>(object)->Enumerate(names, count);
+  };
+
+  template <typename NPObjectType>
+  static bool Construct(NPObject* object,
+                            const NPVariant* args,
+                            uint32_t num_args,
+                            NPVariant* result) {
+    return static_cast<NPObjectType*>(object)->Construct(
+        args, num_args, result);
+  }
+}  // namespace np_class_impl;
 
 template <typename NPObjectType>
-const NPClass* BaseNPObject::GetNPClass() {
-  static NPClass np_class = {
+const NPClass* NPGetClass() {
+  static const NPClass np_class = {
     NP_CLASS_STRUCT_VERSION,
-    AllocateImpl<NPObjectType>,
-    DeallocateImpl,
-    InvalidateImpl,
-    HasMethodImpl,
-    InvokeImpl,
-    InvokeDefaultImpl,
-    HasPropertyImpl,
-    GetPropertyImpl,
-    SetPropertyImpl,
-    RemovePropertyImpl,
-    EnumerateImpl,
-    ConstructImpl,
+    np_class_impl::Allocate<NPObjectType>,
+    np_class_impl::Deallocate<NPObjectType>,
+    np_class_impl::Invalidate<NPObjectType>,
+    np_class_impl::HasMethod<NPObjectType>,
+    np_class_impl::Invoke<NPObjectType>,
+    np_class_impl::InvokeDefault<NPObjectType>,
+    np_class_impl::HasProperty<NPObjectType>,
+    np_class_impl::GetProperty<NPObjectType>,
+    np_class_impl::SetProperty<NPObjectType>,
+    np_class_impl::RemoveProperty<NPObjectType>,
+    np_class_impl::Enumerate<NPObjectType>,
+    np_class_impl::Construct<NPObjectType>,
   };
   return &np_class;
 };
+
 }  // namespace gpu_plugin
 }  // namespace o3d
 
-#endif  // O3D_GPU_PLUGIN_NP_UTILS_BASE_NP_OBJECT_H_
+#endif  // O3D_GPU_PLUGIN_NP_UTILS_NP_CLASS_H_