1// Copyright (c) 2012 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_LOADER_MAC_H_
6#define COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_MAC_H_
7
8#include <string>
9
10#include "base/files/file_path.h"
11#include "base/files/file_path_watcher.h"
12#include "base/memory/ref_counted.h"
13#include "components/policy/core/common/async_policy_loader.h"
14#include "components/policy/core/common/policy_namespace.h"
15#include "components/policy/policy_export.h"
16
17class MacPreferences;
18
19namespace base {
20class SequencedTaskRunner;
21}  // namespace base
22
23namespace policy {
24
25class PolicyBundle;
26class PolicyMap;
27class Schema;
28
29// A policy loader that loads policies from the Mac preferences system, and
30// watches the managed preferences files for updates.
31class POLICY_EXPORT PolicyLoaderMac : public AsyncPolicyLoader {
32 public:
33  PolicyLoaderMac(scoped_refptr<base::SequencedTaskRunner> task_runner,
34                  const base::FilePath& managed_policy_path,
35                  MacPreferences* preferences);
36  virtual ~PolicyLoaderMac();
37
38  // AsyncPolicyLoader implementation.
39  virtual void InitOnBackgroundThread() OVERRIDE;
40  virtual scoped_ptr<PolicyBundle> Load() OVERRIDE;
41  virtual base::Time LastModificationTime() OVERRIDE;
42
43 private:
44  // Callback for the FilePathWatcher.
45  void OnFileUpdated(const base::FilePath& path, bool error);
46
47  // Loads policies for the components described in the current schema_map()
48  // which belong to the domain |domain_name|, and stores them in the |bundle|.
49  void LoadPolicyForDomain(
50      PolicyDomain domain,
51      const std::string& domain_name,
52      PolicyBundle* bundle);
53
54  // Loads the policies described in |schema| from the bundle identified by
55  // |bundle_id_string|, and stores them in |policy|.
56  void LoadPolicyForComponent(const std::string& bundle_id_string,
57                              const Schema& schema,
58                              PolicyMap* policy);
59
60  scoped_ptr<MacPreferences> preferences_;
61
62  // Path to the managed preferences file for the current user, if it could
63  // be found. Updates of this file trigger a policy reload.
64  base::FilePath managed_policy_path_;
65
66  // Watches for events on the |managed_policy_path_|.
67  base::FilePathWatcher watcher_;
68
69  DISALLOW_COPY_AND_ASSIGN(PolicyLoaderMac);
70};
71
72}  // namespace policy
73
74#endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_MAC_H_
75