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Unified Diff: o3d/gpu_plugin/np_utils/default_np_object.h

Issue 196032: Replaced BaseNPObject with DefaultNPObject because...... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 11 years, 3 months ago
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Index: o3d/gpu_plugin/np_utils/default_np_object.h
===================================================================
--- o3d/gpu_plugin/np_utils/default_np_object.h (revision 0)
+++ o3d/gpu_plugin/np_utils/default_np_object.h (revision 0)
@@ -0,0 +1,86 @@
+// 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_DEFAULT_NP_OBJECT_H_
+#define O3D_GPU_PLUGIN_NP_UTILS_DEFAULT_NP_OBJECT_H_
+
+#include "third_party/npapi/bindings/npapi.h"
+#include "third_party/npapi/bindings/npruntime.h"
+
+namespace o3d {
+namespace gpu_plugin {
+
+class BaseNPDispatcher;
+
+// This class implements each of the functions in the NPClass interface. They
+// all return error by default. Note that these are not virtual functions and
+// this is not an interface. This class can be used as a mixin so that an
+// NPObject class does not need to implement every NPClass function but rather
+// inherits a default from DefaultNPObject.
+template <typename RootClass>
+class DefaultNPObject : public RootClass {
+ public:
+ void Invalidate() {}
+
+ bool HasMethod(NPIdentifier name) {
+ return false;
+ }
+
+ bool Invoke(NPIdentifier name,
+ const NPVariant* args,
+ uint32_t num_args,
+ NPVariant* result) {
+ return false;
+ }
+
+ bool InvokeDefault(const NPVariant* args,
+ uint32_t num_args,
+ NPVariant* result) {
+ return false;
+ }
+
+ bool HasProperty(NPIdentifier name) {
+ return false;
+ }
+
+ bool GetProperty(NPIdentifier name, NPVariant* result) {
+ return false;
+ }
+
+ bool SetProperty(NPIdentifier name, const NPVariant* value) {
+ return false;
+ }
+
+ bool RemoveProperty(NPIdentifier name) {
+ return false;
+ }
+
+ bool Enumerate(NPIdentifier** names,
+ uint32_t* count) {
+ *names = NULL;
+ *count = 0;
+ return true;
+ }
+
+ bool Construct(const NPVariant* args,
+ uint32_t num_args,
+ NPVariant* result) {
+ return false;
+ }
+
+ static BaseNPDispatcher* GetDispatcherChain() {
+ return NULL;
+ }
+
+ protected:
+ DefaultNPObject() {}
+ virtual ~DefaultNPObject() {}
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(DefaultNPObject);
+};
+} // namespace gpu_plugin
+} // namespace o3d
+
+#endif // O3D_GPU_PLUGIN_NP_UTILS_DEFAULT_NP_OBJECT_H_
Property changes on: o3d\gpu_plugin\np_utils\default_np_object.h
___________________________________________________________________
Added: svn:eol-style
+ LF
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