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
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_POLICY_HANDLERS_DEVICE_NAME_POLICY_HANDLER_H_
#define CHROME_BROWSER_ASH_POLICY_HANDLERS_DEVICE_NAME_POLICY_HANDLER_H_
#include <optional>
#include "base/observer_list.h"
#include "base/observer_list_types.h"
namespace policy {
// Provides the current device name policy, and provides
// hostname only if the template policy is active. Also notifies
// observers when the policy type and/or hostname changes.
class DeviceNamePolicyHandler {
public:
// Types of policies for device name functionality.
enum class DeviceNamePolicy {
// No device name policy in place.
kNoPolicy,
// Policy in place allowing administrator to specify a template
// used to generate and format the hostname.
kPolicyHostnameChosenByAdmin,
// Policy in place which allows managed users to configure the device name.
kPolicyHostnameConfigurableByManagedUser,
// Policy in place which prohibits users from configuring device name.
kPolicyHostnameNotConfigurable,
};
class Observer : public base::CheckedObserver {
public:
~Observer() override = default;
// Called when the policy type and/or hostname has changed.
// Use GetDeviceNamePolicy() to get the new policy and
// GetHostnameChosenByAdministrator() to get the new hostname.
virtual void OnHostnamePolicyChanged() = 0;
};
virtual ~DeviceNamePolicyHandler();
// Provides the type of policy to be used for device name functionality.
virtual DeviceNamePolicy GetDeviceNamePolicy() const = 0;
// Provides hostname if requested by administrator.
// Returns null if no hostname was requested by administrator.
virtual std::optional<std::string> GetHostnameChosenByAdministrator()
const = 0;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
protected:
DeviceNamePolicyHandler();
void NotifyHostnamePolicyChanged();
private:
base::ObserverList<Observer> observer_list_;
};
} // namespace policy
#endif // CHROME_BROWSER_ASH_POLICY_HANDLERS_DEVICE_NAME_POLICY_HANDLER_H_
|
