1 files changed, 65 insertions, 0 deletions
diff --git a/webkit/plugins/ppapi/npobject_var.cc b/webkit/plugins/ppapi/npobject_var.cc
new file mode 100644
index 0000000..b951cde
--- /dev/null
+++ b/webkit/plugins/ppapi/npobject_var.cc
@@ -0,0 +1,65 @@
+// Copyright (c) 2011 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.
+
+#include "webkit/plugins/ppapi/npobject_var.h"
+
+#include "base/logging.h"
+#include "ppapi/c/pp_var.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
+#include "webkit/plugins/ppapi/resource_tracker.h"
+
+using WebKit::WebBindings;
+
+namespace ppapi {
+
+// NPObjectVar -----------------------------------------------------------------
+
+NPObjectVar::NPObjectVar(PP_Module module,
+                         PP_Instance instance,
+                         NPObject* np_object)
+    : Var(module),
+      pp_instance_(instance),
+      np_object_(np_object) {
+  WebBindings::retainObject(np_object_);
+  webkit::ppapi::ResourceTracker::Get()->AddNPObjectVar(this);
+}
+
+NPObjectVar::~NPObjectVar() {
+  if (pp_instance())
+    webkit::ppapi::ResourceTracker::Get()->RemoveNPObjectVar(this);
+  WebBindings::releaseObject(np_object_);
+}
+
+NPObjectVar* NPObjectVar::AsNPObjectVar() {
+  return this;
+}
+
+PP_Var NPObjectVar::GetPPVar() {
+  int32 id = GetOrCreateVarID();
+  if (!id)
+    return PP_MakeNull();
+
+  PP_Var result;
+  result.type = PP_VARTYPE_OBJECT;
+  result.value.as_id = id;
+  return result;
+}
+
+void NPObjectVar::InstanceDeleted() {
+  DCHECK(pp_instance_);
+  pp_instance_ = 0;
+}
+
+// static
+scoped_refptr<NPObjectVar> NPObjectVar::FromPPVar(PP_Var var) {
+  if (var.type != PP_VARTYPE_OBJECT)
+    return scoped_refptr<NPObjectVar>(NULL);
+  scoped_refptr<Var> var_object(webkit::ppapi::ResourceTracker::Get()->GetVar(
+      static_cast<int32>(var.value.as_id)));
+  if (!var_object)
+    return scoped_refptr<NPObjectVar>();
+  return scoped_refptr<NPObjectVar>(var_object->AsNPObjectVar());
+}
+
+}  // namespace ppapi