| // 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. |
| |
| #ifndef PPAPI_SHARED_IMPL_DICTIONARY_VAR_H_ |
| #define PPAPI_SHARED_IMPL_DICTIONARY_VAR_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "ppapi/c/pp_var.h" |
| #include "ppapi/shared_impl/ppapi_shared_export.h" |
| #include "ppapi/shared_impl/scoped_pp_var.h" |
| #include "ppapi/shared_impl/var.h" |
| |
| namespace ppapi { |
| |
| class PPAPI_SHARED_EXPORT DictionaryVar : public Var { |
| public: |
| typedef std::map<std::string, ScopedPPVar> KeyValueMap; |
| |
| DictionaryVar(); |
| |
| // Helper function that converts a PP_Var to a DictionaryVar. This will |
| // return NULL if the PP_Var is not of type PP_VARTYPE_DICTIONARY or the |
| // dictionary cannot be found from the var tracker. |
| static DictionaryVar* FromPPVar(const PP_Var& var); |
| |
| // Var overrides. |
| DictionaryVar* AsDictionaryVar() override; |
| PP_VarType GetType() const override; |
| |
| // The returned PP_Var has had a ref added on behalf of the caller. |
| PP_Var Get(const PP_Var& key) const; |
| PP_Bool Set(const PP_Var& key, const PP_Var& value); |
| void Delete(const PP_Var& key); |
| PP_Bool HasKey(const PP_Var& key) const; |
| // The returned PP_Var has had a ref added on behalf of the caller. |
| PP_Var GetKeys() const; |
| |
| // Returns false and keeps the dictionary unchanged if |key| is not a valid |
| // UTF-8 string. |
| bool SetWithStringKey(const std::string& utf8_key, const PP_Var& value); |
| void DeleteWithStringKey(const std::string& utf8_key); |
| |
| const KeyValueMap& key_value_map() const { return key_value_map_; } |
| |
| protected: |
| ~DictionaryVar() override; |
| |
| private: |
| KeyValueMap key_value_map_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DictionaryVar); |
| }; |
| |
| } // namespace ppapi |
| |
| #endif // PPAPI_SHARED_IMPL_DICTIONARY_VAR_H_ |