New Pepper API implementation.

webkit/glue/plugins/pepper_var.cc

+// 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.
+
+#include "webkit/glue/plugins/pepper_var.h"
+
+#include "third_party/ppapi/c/pp_var.h"
+#include "third_party/ppapi/c/ppb_var.h"
+#include "webkit/glue/plugins/pepper_string.h"
+
+namespace pepper {
+
+namespace {
+
+void AddRef(PP_Var var) {
+  if (var.type == PP_VarType_String) {
+    reinterpret_cast<String*>(var.value.as_id)->AddRef();
+  } else if (var.type == PP_VarType_Object) {
+    // TODO(implement objects).
+  }
+}
+
+void Release(PP_Var var) {
+  if (var.type == PP_VarType_String) {
+    reinterpret_cast<String*>(var.value.as_id)->Release();
+  } else if (var.type == PP_VarType_Object) {
+    // TODO(implement objects).
+  }
+}
+
+PP_Var VarFromUtf8(const char* data, uint32_t len) {
+  PP_Var ret;
+  ret.type = PP_VarType_String;
+  String* str = new String(data, len);
+  str->AddRef();  // This is for the caller, we return w/ a refcount of 1.
+  return ret;
+}
+
+const char* VarToUtf8(PP_Var var, uint32_t* len) {
+  if (var.type != PP_VarType_String) {
+    *len = 0;
+    return NULL;
+  }
+  const std::string& str =
+      reinterpret_cast<const String*>(var.value.as_id)->value();
+  *len = static_cast<uint32_t>(str.size());
+  if (str.empty())
+    return "";  // Don't return NULL on success.
+  return str.data();
+}
+
+bool HasProperty(PP_Var object,
+                 PP_Var name,
+                 PP_Var* exception) {
+  // TODO(brettw) implement this.
+  return false;
+}
+
+PP_Var GetProperty(PP_Var object,
+                   PP_Var name,
+                   PP_Var* exception) {
+  // TODO(brettw) implement this.
+  PP_Var ret;
+  ret.type = PP_VarType_Void;
+  return ret;
+}
+
+void GetAllPropertyNames(PP_Var object,
+                         uint32_t* property_count,
+                         PP_Var** properties,
+                         PP_Var* exception) {
+  // TODO(brettw) implement this.
+}
+
+void SetProperty(PP_Var object,
+                 PP_Var name,
+                 PP_Var value,
+                 PP_Var* exception) {
+  // TODO(brettw) implement this.
+}
+
+void RemoveProperty(PP_Var object,
+                    PP_Var name,
+                    PP_Var* exception) {
+  // TODO(brettw) implement this.
+}
+
+PP_Var Call(PP_Var object,
+            PP_Var method_name,
+            int32_t argc,
+            PP_Var* argv,
+            PP_Var* exception) {
+  // TODO(brettw) implement this.
+  PP_Var ret;
+  ret.type = PP_VarType_Void;
+  return ret;
+}
+
+PP_Var Construct(PP_Var object,
+                 int32_t argc,
+                 PP_Var* argv,
+                 PP_Var* exception) {
+  // TODO(brettw) implement this.
+  PP_Var ret;
+  ret.type = PP_VarType_Void;
+  return ret;
+}
+
+PP_Var CreateObject(const PPP_Class* object_class,
+                    void* object_data) {
+  // TODO(brettw) implement this.
+  PP_Var ret;
+  ret.type = PP_VarType_Void;
+  return ret;
+}
+
+const PPB_Var var_interface = {
+  &AddRef,
+  &Release,
+  &VarFromUtf8,
+  &VarToUtf8,
+  &HasProperty,
+  &GetProperty,
+  &GetAllPropertyNames,
+  &SetProperty,
+  &RemoveProperty,
+  &Call,
+  &Construct,
+  &CreateObject
+};
+
+}  // namespace
+
+const PPB_Var* GetVarInterface() {
+  return &var_interface;
+}
+
+}  // namespace pepper