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
|
// Copyright 2018 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_PRINTING_ENTERPRISE_ENTERPRISE_PRINTERS_PROVIDER_H_
#define CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_ENTERPRISE_PRINTERS_PROVIDER_H_
#include <memory>
#include "chrome/browser/profiles/profile.h"
namespace chromeos {
class Printer;
} // namespace chromeos
namespace user_prefs {
class PrefRegistrySyncable;
} // namespace user_prefs
namespace ash {
class CrosSettings;
// Uses classes BulkPrintersCalculator and CalculatorsPoliciesBinder to track
// device settings & user profile modifications and to calculates resultant
// list of available enterprise printers. The final list of available enterprise
// printers is propagated to Observers.
// All methods must be called from the same sequence (UI) and all observers'
// notifications will be called from this sequence.
class EnterprisePrintersProvider {
public:
class Observer {
public:
// |complete| is true if all policies have been parsed and applied (even
// when parsing errors occurred), false means that a new list of available
// printers is being calculated. |printers| contains the current unordered
// list of available printers: the map is indexed by printers ids. This
// notification is called when value of any of these two parameters changes.
virtual void OnPrintersChanged(
bool complete,
const std::vector<chromeos::Printer>& printers) = 0;
};
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// |settings| is the source of device policies. |profile| is a user profile.
static std::unique_ptr<EnterprisePrintersProvider> Create(
CrosSettings* settings,
Profile* profile);
EnterprisePrintersProvider(const EnterprisePrintersProvider&) = delete;
EnterprisePrintersProvider& operator=(const EnterprisePrintersProvider&) =
delete;
virtual ~EnterprisePrintersProvider() = default;
// This method also directly calls OnPrintersChanged(...) from |observer|.
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
protected:
EnterprisePrintersProvider() = default;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_ENTERPRISE_PRINTERS_PROVIDER_H_
|
