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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef EXTENSIONS_COMMON_FEATURES_FEATURE_H_ | 5 #ifndef EXTENSIONS_COMMON_FEATURES_FEATURE_H_ |
6 #define EXTENSIONS_COMMON_FEATURES_FEATURE_H_ | 6 #define EXTENSIONS_COMMON_FEATURES_FEATURE_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/strings/string_piece.h" | 11 #include "base/strings/string_piece.h" |
12 #include "base/values.h" | 12 #include "base/values.h" |
| 13 #include "components/version_info/version_info.h" |
13 #include "extensions/common/manifest.h" | 14 #include "extensions/common/manifest.h" |
14 | 15 |
15 class GURL; | 16 class GURL; |
16 | 17 |
17 namespace extensions { | 18 namespace extensions { |
18 | 19 |
19 class Extension; | 20 class Extension; |
20 | 21 |
21 // Represents a single feature accessible to an extension developer, such as a | 22 // Represents a single feature accessible to an extension developer, such as a |
22 // top-level manifest key, a permission, or a programmatic API. A feature can | 23 // top-level manifest key, a permission, or a programmatic API. A feature can |
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129 Availability IsAvailableToContext(const Extension* extension, | 130 Availability IsAvailableToContext(const Extension* extension, |
130 Context context, | 131 Context context, |
131 const GURL& url) const { | 132 const GURL& url) const { |
132 return IsAvailableToContext(extension, context, url, GetCurrentPlatform()); | 133 return IsAvailableToContext(extension, context, url, GetCurrentPlatform()); |
133 } | 134 } |
134 virtual Availability IsAvailableToContext(const Extension* extension, | 135 virtual Availability IsAvailableToContext(const Extension* extension, |
135 Context context, | 136 Context context, |
136 const GURL& url, | 137 const GURL& url, |
137 Platform platform) const = 0; | 138 Platform platform) const = 0; |
138 | 139 |
| 140 // Returns the availability of the feature on the given |channel|. The |
| 141 // availability result will either be IS_AVAILABLE, UNSUPPORTED_CHANNEL or |
| 142 // NOT_PRESENT. |
| 143 virtual Availability IsAvailableToChannel( |
| 144 version_info::Channel channel) const = 0; |
| 145 |
139 // Returns true if the feature is available to the current environment, | 146 // Returns true if the feature is available to the current environment, |
140 // without needing to know information about an Extension or any other | 147 // without needing to know information about an Extension or any other |
141 // contextual information. Typically used when the Feature is purely | 148 // contextual information. Typically used when the Feature is purely |
142 // configured by command line flags and/or Chrome channel. | 149 // configured by command line flags and/or Chrome channel. |
143 // | 150 // |
144 // Generally try not to use this function. Even if you don't think a Feature | 151 // Generally try not to use this function. Even if you don't think a Feature |
145 // relies on an Extension now - maybe it will, one day, so if there's an | 152 // relies on an Extension now - maybe it will, one day, so if there's an |
146 // Extension available (or a runtime context, etc) then use the more targeted | 153 // Extension available (or a runtime context, etc) then use the more targeted |
147 // method instead. | 154 // method instead. |
148 Availability IsAvailableToEnvironment() const; | 155 Availability IsAvailableToEnvironment() const; |
149 | 156 |
150 virtual bool IsIdInBlacklist(const std::string& extension_id) const = 0; | 157 virtual bool IsIdInBlacklist(const std::string& extension_id) const = 0; |
151 virtual bool IsIdInWhitelist(const std::string& extension_id) const = 0; | 158 virtual bool IsIdInWhitelist(const std::string& extension_id) const = 0; |
152 | 159 |
153 protected: | 160 protected: |
154 std::string name_; | 161 std::string name_; |
155 std::string alias_; | 162 std::string alias_; |
156 std::string source_; | 163 std::string source_; |
157 bool no_parent_; | 164 bool no_parent_; |
158 }; | 165 }; |
159 | 166 |
160 } // namespace extensions | 167 } // namespace extensions |
161 | 168 |
162 #endif // EXTENSIONS_COMMON_FEATURES_FEATURE_H_ | 169 #endif // EXTENSIONS_COMMON_FEATURES_FEATURE_H_ |
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