Add PPB_VarDictionary_Dev support - part 1.

ppapi/cpp/dev/var_dictionary_dev.cc

+// Copyright (c) 2013 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 "ppapi/cpp/dev/var_dictionary_dev.h"
+
+#include "ppapi/c/dev/ppb_var_dictionary_dev.h"
+#include "ppapi/cpp/logging.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_VarDictionary_Dev_0_1>() {
+  return PPB_VAR_DICTIONARY_DEV_INTERFACE_0_1;
+}
+
+}  // namespace
+
+VarDictionary_Dev::VarDictionary_Dev() : Var(Null()) {
+  if (has_interface<PPB_VarDictionary_Dev_0_1>())
+    var_ = get_interface<PPB_VarDictionary_Dev_0_1>()->Create();
+  else
+    PP_NOTREACHED();
+}
+
+VarDictionary_Dev::VarDictionary_Dev(const Var& var) : Var(var) {
+  if (!var.is_dictionary()) {
+    PP_NOTREACHED();
+
+    // This takes care of releasing the reference that this object holds.
+    Var::operator=(Var(Null()));
+  }
+}
+
+VarDictionary_Dev::VarDictionary_Dev(const VarDictionary_Dev& other)
+    : Var(other) {
+}
+
+VarDictionary_Dev::~VarDictionary_Dev() {
+}
+
+VarDictionary_Dev& VarDictionary_Dev::operator=(
+    const VarDictionary_Dev& other) {
+  Var::operator=(other);
+  return *this;
+}
+
+Var& VarDictionary_Dev::operator=(const Var& other) {
+  if (other.is_dictionary()) {
+    Var::operator=(other);
+  } else {
+    PP_NOTREACHED();
+    Var::operator=(Var(Null()));
+  }
+  return *this;
+}
+
+Var VarDictionary_Dev::Get(const Var& key) const {
+  if (!has_interface<PPB_VarDictionary_Dev_0_1>())
+    return Var();
+
+  return Var(
+      PASS_REF,
+      get_interface<PPB_VarDictionary_Dev_0_1>()->Get(var_, key.pp_var()));
+}
+
+PP_Bool VarDictionary_Dev::Set(const Var& key, const Var& value) {
+  if (!has_interface<PPB_VarDictionary_Dev_0_1>())
+    return PP_FALSE;
+
+  return get_interface<PPB_VarDictionary_Dev_0_1>()->Set(var_, key.pp_var(),
+                                                         value.pp_var());
+}
+
+void VarDictionary_Dev::Delete(const Var& key) {
+  if (has_interface<PPB_VarDictionary_Dev_0_1>())
+    get_interface<PPB_VarDictionary_Dev_0_1>()->Delete(var_, key.pp_var());
+}
+
+PP_Bool VarDictionary_Dev::HasKey(const Var& key) const {
+  if (!has_interface<PPB_VarDictionary_Dev_0_1>())
+    return PP_FALSE;
+
+  return get_interface<PPB_VarDictionary_Dev_0_1>()->HasKey(var_, key.pp_var());
+}
+
+Var VarDictionary_Dev::GetKeys() const {
+  if (!has_interface<PPB_VarDictionary_Dev_0_1>())
+    return Var(Null());
+
+  return Var(PASS_REF,
+             get_interface<PPB_VarDictionary_Dev_0_1>()->GetKeys(var_));
+}
+
+}  // namespace pp