blob: 607b84a37f791a0afd0a50e8aa9bcd6cc7bf36fa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// 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_BROWSER_POLICY_MANAGED_MODE_POLICY_PROVIDER_H_
#define CHROME_BROWSER_POLICY_MANAGED_MODE_POLICY_PROVIDER_H_
#include "base/memory/ref_counted.h"
#include "base/prefs/persistent_pref_store.h"
#include "chrome/browser/policy/configuration_policy_provider.h"
class Profile;
namespace base {
class SequencedTaskRunner;
}
namespace policy {
// This class sets policies that are defined by a local user via "Managed Mode".
// It offers methods to set and read policies, and persists them on disk in
// JSON format.
class ManagedModePolicyProvider
: public ConfigurationPolicyProvider,
public PrefStore::Observer {
public:
// The dictionary key under which we store the policy dictionary. Public for
// testing.
static const char kPolicies[];
// Creates a new ManagedModePolicyProvider that caches its policies in a JSON
// file inside the profile folder. |sequenced_task_runner| ensures that all
// file I/O operations are executed in the order that does not collide
// with Profile's file operations. If |force_immediate_policy_load| is true,
// then the underlying policies are loaded immediately before this call
// returns, otherwise they will be loaded asynchronously in the background.
static scoped_ptr<ManagedModePolicyProvider> Create(
Profile* profile,
base::SequencedTaskRunner* sequenced_task_runner,
bool force_immediate_policy_load);
// Use this constructor to inject a different PrefStore (e.g. for testing).
explicit ManagedModePolicyProvider(PersistentPrefStore* store);
virtual ~ManagedModePolicyProvider();
// Returns the stored value for a policy with the given |key|, or NULL if no
// such policy is defined.
const base::Value* GetPolicy(const std::string& key) const;
// Sets the policy with the given |key| to a copy of the given |value|.
void SetPolicy(const std::string& key, const base::Value* value);
// ConfigurationPolicyProvider implementation:
virtual void Shutdown() OVERRIDE;
virtual void RefreshPolicies() OVERRIDE;
virtual bool IsInitializationComplete() const OVERRIDE;
// PrefStore::Observer implementation:
virtual void OnPrefValueChanged(const std::string& key) OVERRIDE;
virtual void OnInitializationCompleted(bool success) OVERRIDE;
private:
base::DictionaryValue* GetCachedPolicy() const;
void UpdatePolicyFromCache();
// Used for persisting policies. Unlike other PrefStores, this one is not
// hooked up to the PrefService.
scoped_refptr<PersistentPrefStore> store_;
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_MANAGED_MODE_POLICY_PROVIDER_H_
|
