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// Copyright (c) 2012 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 CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_
#define CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_
#include <string>
#include "base/memory/scoped_vector.h"
#include "chrome/common/extensions/extension.h"
#include "extensions/common/features/feature.h"
#include "extensions/common/manifest.h"
namespace extensions {
// A ComplexFeature is composed of one or many Features. A ComplexFeature
// is available if any Feature (i.e. permission rule) that composes it is
// available, but not if only some combination of Features is available.
class ComplexFeature : public Feature {
public:
typedef ScopedVector<Feature> FeatureList;
explicit ComplexFeature(scoped_ptr<FeatureList> features);
virtual ~ComplexFeature();
// extensions::Feature:
virtual Availability IsAvailableToManifest(const std::string& extension_id,
Manifest::Type type,
Location location,
int manifest_version,
Platform platform) const OVERRIDE;
virtual Availability IsAvailableToContext(const Extension* extension,
Context context,
const GURL& url,
Platform platform) const OVERRIDE;
virtual bool IsIdInWhitelist(const std::string& extension_id) const OVERRIDE;
protected:
// extensions::Feature:
virtual std::string GetAvailabilityMessage(
AvailabilityResult result,
Manifest::Type type,
const GURL& url,
Context context) const OVERRIDE;
virtual std::set<Context>* GetContexts() OVERRIDE;
virtual bool IsInternal() const OVERRIDE;
private:
FeatureList features_;
DISALLOW_COPY_AND_ASSIGN(ComplexFeature);
};
} // namespace extensions
#endif // CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_
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