1 // Copyright 2013 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 COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_ 6 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_ 7 8 #include <stddef.h> 9 #include <stdint.h> 10 11 #include <string> 12 #include <vector> 13 14 #include "base/containers/hash_tables.h" 15 #include "components/policy/policy_export.h" 16 17 namespace policy { 18 19 // Policies are namespaced by a (PolicyDomain, ID) pair. The meaning of the ID 20 // string depends on the domain; for example, if the PolicyDomain is 21 // "extensions" then the ID identifies the extension that the policies control. 22 enum PolicyDomain { 23 // The component ID for chrome policies is always the empty string. 24 POLICY_DOMAIN_CHROME, 25 26 // The component ID for the extension policies is equal to the extension ID. 27 POLICY_DOMAIN_EXTENSIONS, 28 29 // The namespace that corresponds to the policies for extensions running 30 // under Chrome OS signin profile. The component ID is equal to the extension 31 // ID. 32 POLICY_DOMAIN_SIGNIN_EXTENSIONS, 33 34 // Must be the last entry. 35 POLICY_DOMAIN_SIZE, 36 }; 37 38 // Groups a policy domain and a component ID in a single object representing 39 // a policy namespace. Objects of this class can be used as keys in std::maps. 40 struct POLICY_EXPORT PolicyNamespace { 41 PolicyNamespace(); 42 PolicyNamespace(PolicyDomain domain, const std::string& component_id); 43 PolicyNamespace(const PolicyNamespace& other); 44 ~PolicyNamespace(); 45 46 PolicyNamespace& operator=(const PolicyNamespace& other); 47 bool operator<(const PolicyNamespace& other) const; 48 bool operator==(const PolicyNamespace& other) const; 49 bool operator!=(const PolicyNamespace& other) const; 50 51 PolicyDomain domain; 52 std::string component_id; 53 }; 54 55 typedef std::vector<PolicyNamespace> PolicyNamespaceList; 56 57 struct PolicyNamespaceHash { operatorPolicyNamespaceHash58 size_t operator()(const policy::PolicyNamespace& ns) const { 59 return std::hash<std::string>()(ns.component_id) ^ 60 (UINT64_C(1) << ns.domain); 61 } 62 }; 63 64 } // namespace policy 65 66 #endif // COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_ 67