Add PPB_VarDictionary_Dev support - part 1.

It includes:
- C/C++ interface implementation.
- Conversions between PP_Var and base::Value.

It dones't include:
- Serialization code for IPC.

BUG=None
TEST=a new unittest

Review URL: https://codereview.chromium.org/12387073

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@188805 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 88 insertions, 0 deletions

diff --git a/ppapi/thunk/interfaces_ppb_public_dev.h b/ppapi/thunk/interfaces_ppb_public_dev.h
index d0570d9..27f3b9c 100644
--- a/ppapi/thunk/interfaces_ppb_public_dev.h
+++ b/ppapi/thunk/interfaces_ppb_public_dev.h
@@ -30,6 +30,8 @@ PROXIED_IFACE(PPB_Instance, PPB_TEXTINPUT_DEV_INTERFACE_0_2,
               PPB_TextInput_Dev_0_2)
 PROXIED_IFACE(NoAPIName, PPB_TRUETYPEFONT_DEV_INTERFACE_0_1,
               PPB_TrueTypeFont_Dev_0_1)
+PROXIED_IFACE(NoAPIName, PPB_VAR_DICTIONARY_DEV_INTERFACE_0_1,
+              PPB_VarDictionary_Dev_0_1)
 PROXIED_IFACE(NoAPIName, PPB_VIEW_DEV_INTERFACE_0_1,
               PPB_View_Dev_0_1)
 UNPROXIED_IFACE(PPB_Instance, PPB_ZOOM_DEV_INTERFACE_0_2, PPB_Zoom_Dev_0_2)
diff --git a/ppapi/thunk/ppb_var_dictionary_thunk.cc b/ppapi/thunk/ppb_var_dictionary_thunk.cc
new file mode 100644
index 0000000..25a8224
--- /dev/null
+++ b/ppapi/thunk/ppb_var_dictionary_thunk.cc
@@ -0,0 +1,86 @@
+// 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/c/dev/ppb_var_dictionary_dev.h"
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_var.h"
+#include "ppapi/shared_impl/dictionary_var.h"
+#include "ppapi/shared_impl/proxy_lock.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Var Create() {
+  ProxyAutoLock lock;
+
+  // Var tracker will hold a reference to this object.
+  DictionaryVar* var = new DictionaryVar();
+  return var->GetPPVar();
+}
+
+PP_Var Get(PP_Var dict, PP_Var key) {
+  ProxyAutoLock lock;
+
+  DictionaryVar* dict_var = DictionaryVar::FromPPVar(dict);
+  if (!dict_var)
+    return PP_MakeUndefined();
+  return dict_var->Get(key);
+}
+
+PP_Bool Set(PP_Var dict, PP_Var key, PP_Var value) {
+  ProxyAutoLock lock;
+
+  DictionaryVar* dict_var = DictionaryVar::FromPPVar(dict);
+  if (!dict_var)
+    return PP_FALSE;
+
+  return dict_var->Set(key, value);
+}
+
+void Delete(PP_Var dict, PP_Var key) {
+  ProxyAutoLock lock;
+
+  DictionaryVar* dict_var = DictionaryVar::FromPPVar(dict);
+  if (dict_var)
+    dict_var->Delete(key);
+}
+
+PP_Bool HasKey(PP_Var dict, PP_Var key) {
+  ProxyAutoLock lock;
+
+  DictionaryVar* dict_var = DictionaryVar::FromPPVar(dict);
+  if (!dict_var)
+    return PP_FALSE;
+  return dict_var->HasKey(key);
+}
+
+PP_Var GetKeys(PP_Var dict) {
+  ProxyAutoLock lock;
+
+  DictionaryVar* dict_var = DictionaryVar::FromPPVar(dict);
+  if (!dict_var)
+    return PP_MakeNull();
+  return dict_var->GetKeys();
+}
+
+const PPB_VarDictionary_Dev_0_1 g_ppb_vardictionary_0_1_thunk = {
+  &Create,
+  &Get,
+  &Set,
+  &Delete,
+  &HasKey,
+  &GetKeys
+};
+
+}  // namespace
+
+const PPB_VarDictionary_Dev_0_1* GetPPB_VarDictionary_Dev_0_1_Thunk() {
+  return &g_ppb_vardictionary_0_1_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi