components/policy/core/common/policy_loader_mac.h

   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
  17 class MacPreferences;
  18
  19 namespace base {
  20 class SequencedTaskRunner;
  21 }  // namespace base
  22
  23 namespace policy {
  24
  25 class PolicyBundle;
  26 class PolicyMap;
  27 class Schema;
  28
  29 // A policy loader that loads policies from the Mac preferences system, and
  30 // watches the managed preferences files for updates.
  31 class 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_