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      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_
     75