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// Copyright 2013 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 EXTENSIONS_COMMON_EXTENSIONS_CLIENT_H_
#define EXTENSIONS_COMMON_EXTENSIONS_CLIENT_H_
#include <set>
#include <string>
namespace extensions {
class FeatureProvider;
class PermissionMessage;
class PermissionsProvider;
class URLPatternSet;
// Sets up global state for the extensions system. Should be Set() once in each
// process. This should be implemented by the client of the extensions system.
class ExtensionsClient {
public:
// Returns a PermissionsProvider to initialize the permissions system.
virtual const PermissionsProvider& GetPermissionsProvider() const = 0;
// Gets a feature provider for a specific feature type.
virtual FeatureProvider* GetFeatureProviderByName(const std::string& name)
const = 0;
// Called at startup. Registers the handlers for parsing manifests.
virtual void RegisterManifestHandlers() const = 0;
// Takes the list of all hosts and filters out those with special
// permission strings. Adds the regular hosts to |new_hosts|,
// and adds the special permission messages to |messages|.
virtual void FilterHostPermissions(
const URLPatternSet& hosts,
URLPatternSet* new_hosts,
std::set<PermissionMessage>* messages) const = 0;
// Return the extensions client.
static ExtensionsClient* Get();
// Initialize the extensions system with this extensions client.
static void Set(ExtensionsClient* client);
};
} // namespace extensions
#endif // EXTENSIONS_COMMON_EXTENSIONS_CLIENT_H_
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