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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
#define EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "extensions/common/context_data.h"
#include "extensions/common/extension.h"
#include "extensions/common/features/feature.h"
#include "extensions/common/manifest.h"
#include "extensions/common/mojom/context_type.mojom-forward.h"
#include "extensions/common/mojom/manifest.mojom-shared.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:
// Takes ownership of Feature*s contained in `features`.
explicit ComplexFeature(std::vector<Feature*>* features);
ComplexFeature(const ComplexFeature&) = delete;
ComplexFeature& operator=(const ComplexFeature&) = delete;
~ComplexFeature() override;
// extensions::Feature:
Availability IsAvailableToManifest(const HashedExtensionId& hashed_id,
Manifest::Type type,
mojom::ManifestLocation location,
int manifest_version,
Platform platform,
int context_id) const override;
Availability IsAvailableToEnvironment(int context_id) const override;
bool IsIdInBlocklist(const HashedExtensionId& hashed_id) const override;
bool IsIdInAllowlist(const HashedExtensionId& hashed_id) const override;
protected:
// Feature:
Availability IsAvailableToContextImpl(
const Extension* extension,
mojom::ContextType context,
const GURL& url,
Platform platform,
int context_id,
bool check_developer_mode,
const ContextData& context_data) const override;
bool IsInternal() const override;
bool RequiresDelegatedAvailabilityCheck() const override;
void SetDelegatedAvailabilityCheckHandler(
DelegatedAvailabilityCheckHandler handler) override;
bool HasDelegatedAvailabilityCheckHandler() const override;
private:
FRIEND_TEST_ALL_PREFIXES(FeaturesGenerationTest, FeaturesTest);
FRIEND_TEST_ALL_PREFIXES(ComplexFeatureTest,
RequiresDelegatedAvailabilityCheck);
using FeatureList = std::vector<std::unique_ptr<Feature>>;
FeatureList features_;
// If any of the Features comprising this class requires a delegated
// availability check, then this flag is set to true.
bool requires_delegated_availability_check_{false};
bool has_delegated_availability_check_handler_{false};
};
} // namespace extensions
#endif // EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
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