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 3 // found in the LICENSE file. 4 5 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_ 6 #define CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_ 7 8 #include <string> 9 10 #include "base/memory/scoped_vector.h" 11 #include "extensions/common/extension.h" 12 #include "extensions/common/features/feature.h" 13 #include "extensions/common/manifest.h" 14 15 namespace extensions { 16 17 // A ComplexFeature is composed of one or many Features. A ComplexFeature 18 // is available if any Feature (i.e. permission rule) that composes it is 19 // available, but not if only some combination of Features is available. 20 class ComplexFeature : public Feature { 21 public: 22 typedef ScopedVector<Feature> FeatureList; 23 24 explicit ComplexFeature(scoped_ptr<FeatureList> features); 25 virtual ~ComplexFeature(); 26 27 // extensions::Feature: 28 virtual Availability IsAvailableToManifest(const std::string& extension_id, 29 Manifest::Type type, 30 Location location, 31 int manifest_version, 32 Platform platform) const OVERRIDE; 33 34 virtual Availability IsAvailableToContext(const Extension* extension, 35 Context context, 36 const GURL& url, 37 Platform platform) const OVERRIDE; 38 39 virtual bool IsIdInWhitelist(const std::string& extension_id) const OVERRIDE; 40 41 protected: 42 // extensions::Feature: 43 virtual std::string GetAvailabilityMessage( 44 AvailabilityResult result, 45 Manifest::Type type, 46 const GURL& url, 47 Context context) const OVERRIDE; 48 49 virtual std::set<Context>* GetContexts() OVERRIDE; 50 51 virtual bool IsInternal() const OVERRIDE; 52 53 private: 54 FeatureList features_; 55 56 DISALLOW_COPY_AND_ASSIGN(ComplexFeature); 57 }; 58 59 } // namespace extensions 60 61 #endif // CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_ 62
