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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_ |
| 6 #define CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_ |
| 7 #pragma once |
| 8 |
| 9 #include <string> |
| 10 |
| 11 #include "base/basictypes.h" |
| 12 #include "base/memory/scoped_ptr.h" |
| 13 #include "base/memory/singleton.h" |
| 14 |
| 15 namespace base { |
| 16 class DictionaryValue; |
| 17 class ListValue; |
| 18 } |
| 19 |
| 20 namespace extensions { |
| 21 |
| 22 // C++ Wrapper for the extension_api.json file. |
| 23 class ExtensionAPI { |
| 24 public: |
| 25 // Returns the single instance of this class. |
| 26 static ExtensionAPI* GetInstance(); |
| 27 |
| 28 const base::ListValue* value() const { |
| 29 return value_.get(); |
| 30 } |
| 31 |
| 32 // Returns ture if |name| is a privileged API. Privileged APIs can only be |
| 33 // called from extension code which is running in its own designated extension |
| 34 // process. They cannot be called from extension code running in content |
| 35 // scripts, or other low-privileged processes. |
| 36 bool IsPrivileged(const std::string& name) const; |
| 37 |
| 38 private: |
| 39 friend struct DefaultSingletonTraits<ExtensionAPI>; |
| 40 |
| 41 ExtensionAPI(); |
| 42 ~ExtensionAPI(); |
| 43 |
| 44 // Find an item in |list| with the specified property name and value, or NULL |
| 45 // if no such item exists. |
| 46 base::DictionaryValue* FindListItem(base::ListValue* list, |
| 47 const std::string& property_name, |
| 48 const std::string& property_value) const; |
| 49 |
| 50 // Returns true if the function or event under |namespace_node| with |
| 51 // the specified |child_name| is privileged, or false otherwise. If the name |
| 52 // is not found, defaults to privileged. |
| 53 bool IsChildNamePrivileged(base::DictionaryValue* namespace_node, |
| 54 const std::string& child_kind, |
| 55 const std::string& child_name) const; |
| 56 |
| 57 static ExtensionAPI* instance_; |
| 58 |
| 59 scoped_ptr<base::ListValue> value_; |
| 60 |
| 61 DISALLOW_COPY_AND_ASSIGN(ExtensionAPI); |
| 62 }; |
| 63 |
| 64 } // extensions |
| 65 |
| 66 #endif // CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_ |
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