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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "chrome/common/extensions/features/base_feature_provider.h" | 5 #include "chrome/common/extensions/features/base_feature_provider.h" |
6 | 6 |
7 #include "base/json/json_reader.h" | 7 #include "base/json/json_reader.h" |
8 #include "base/lazy_instance.h" | 8 #include "base/lazy_instance.h" |
9 #include "chrome/common/extensions/features/api_feature.h" | 9 #include "chrome/common/extensions/features/api_feature.h" |
10 #include "chrome/common/extensions/features/complex_feature.h" | 10 #include "chrome/common/extensions/features/complex_feature.h" |
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25 class LazyFeatureProvider : public FeatureProvider { | 25 class LazyFeatureProvider : public FeatureProvider { |
26 public: | 26 public: |
27 LazyFeatureProvider(const std::string& name, | 27 LazyFeatureProvider(const std::string& name, |
28 BaseFeatureProvider::FeatureFactory factory, | 28 BaseFeatureProvider::FeatureFactory factory, |
29 int resource_id) | 29 int resource_id) |
30 : name_(name), | 30 : name_(name), |
31 factory_(factory), | 31 factory_(factory), |
32 resource_id_(resource_id) { | 32 resource_id_(resource_id) { |
33 } | 33 } |
34 | 34 |
35 virtual Feature* GetFeature(const std::string& name) { | 35 virtual Feature* GetFeature(const std::string& name) OVERRIDE { |
36 return GetBaseFeatureProvider()->GetFeature(name); | 36 return GetBaseFeatureProvider()->GetFeature(name); |
37 } | 37 } |
38 | 38 |
39 virtual std::set<std::string> GetAllFeatureNames() { | 39 virtual std::set<std::string> GetAllFeatureNames() OVERRIDE { |
40 return GetBaseFeatureProvider()->GetAllFeatureNames(); | 40 return GetBaseFeatureProvider()->GetAllFeatureNames(); |
41 } | 41 } |
42 | 42 |
43 private: | 43 private: |
44 BaseFeatureProvider* GetBaseFeatureProvider() { | 44 BaseFeatureProvider* GetBaseFeatureProvider() { |
45 if (!features_) | 45 if (!features_) |
46 features_ = LoadProvider(); | 46 features_ = LoadProvider(); |
47 return features_.get(); | 47 return features_.get(); |
48 } | 48 } |
49 | 49 |
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187 | 187 |
188 Feature* BaseFeatureProvider::GetFeature(const std::string& name) { | 188 Feature* BaseFeatureProvider::GetFeature(const std::string& name) { |
189 FeatureMap::iterator iter = features_.find(name); | 189 FeatureMap::iterator iter = features_.find(name); |
190 if (iter != features_.end()) | 190 if (iter != features_.end()) |
191 return iter->second.get(); | 191 return iter->second.get(); |
192 else | 192 else |
193 return NULL; | 193 return NULL; |
194 } | 194 } |
195 | 195 |
196 } // namespace | 196 } // namespace |
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