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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_PERMISSIONS_PERMISSIONS_INFO_H_
#define CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_
#include <map>
#include <set>
#include <string>
#include "base/callback.h"
#include "base/lazy_instance.h"
#include "chrome/common/extensions/permissions/api_permission.h"
#include "chrome/common/extensions/permissions/api_permission_set.h"
#include "extensions/common/permissions/permission_message.h"
#include "extensions/common/permissions/permissions_provider.h"
namespace extensions {
// A global object that holds the extension permission instances and provides
// methods for accessing them.
class PermissionsInfo {
public:
static PermissionsInfo* GetInstance();
virtual ~PermissionsInfo();
// Returns the permission with the given |id|, and NULL if it doesn't exist.
const APIPermissionInfo* GetByID(APIPermission::ID id) const;
// Returns the permission with the given |name|, and NULL if none
// exists.
const APIPermissionInfo* GetByName(const std::string& name) const;
// Returns a set containing all valid api permission ids.
APIPermissionSet GetAll() const;
// Converts all the permission names in |permission_names| to permission ids.
APIPermissionSet GetAllByName(
const std::set<std::string>& permission_names) const;
// Checks if any permissions have names that start with |name| followed by a
// period.
bool HasChildPermissions(const std::string& name) const;
// Gets the total number of API permissions.
size_t get_permission_count() const { return permission_count_; }
private:
friend struct base::DefaultLazyInstanceTraits<PermissionsInfo>;
PermissionsInfo();
// Initializes the permissions from the provider.
void InitializeWithProvider(const PermissionsProvider& provider);
// Registers an |alias| for a given permission |name|.
void RegisterAlias(const char* name, const char* alias);
// Registers a permission with the specified attributes and flags.
void RegisterPermission(APIPermissionInfo* permission);
// Maps permission ids to permissions.
typedef std::map<APIPermission::ID, APIPermissionInfo*> IDMap;
// Maps names and aliases to permissions.
typedef std::map<std::string, APIPermissionInfo*> NameMap;
IDMap id_map_;
NameMap name_map_;
size_t hosted_app_permission_count_;
size_t permission_count_;
DISALLOW_COPY_AND_ASSIGN(PermissionsInfo);
};
} // namespace extensions
#endif // CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_
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