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
73
74
75
76
77
78
79
80
81
82
83
|
// Copyright 2017 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_EXTENSIONS_API_SETTINGS_PRIVATE_GENERATED_PREFS_H_
#define CHROME_BROWSER_EXTENSIONS_API_SETTINGS_PRIVATE_GENERATED_PREFS_H_
#include <memory>
#include <optional>
#include <string>
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/extensions/api/settings_private/generated_pref.h"
#include "chrome/browser/extensions/api/settings_private/prefs_util_enums.h"
#include "components/keyed_service/core/keyed_service.h"
class Profile;
namespace base {
class Value;
}
namespace extensions {
namespace api::settings_private {
struct PrefObject;
} // namespace api::settings_private
namespace settings_private {
// This is a "store" for virtual preferences that exist only for
// api::settings_private. These are used to control Chrome Settings UI elements
// not directly attached to user preferences.
class GeneratedPrefs : public KeyedService {
public:
// Preference name to implementation map.
using PrefsMap = base::flat_map<std::string, std::unique_ptr<GeneratedPref>>;
explicit GeneratedPrefs(Profile* profile);
GeneratedPrefs(const GeneratedPrefs&) = delete;
GeneratedPrefs& operator=(const GeneratedPrefs&) = delete;
~GeneratedPrefs() override;
// Returns true if preference is supported.
bool HasPref(const std::string& pref_name);
// Returns fully populated PrefObject or nullopt if not supported.
std::optional<api::settings_private::PrefObject> GetPref(
const std::string& pref_name);
// Updates preference value.
SetPrefResult SetPref(const std::string& pref_name, const base::Value* value);
// Modify list of observers for the given preference.
void AddObserver(const std::string& pref_name,
GeneratedPref::Observer* observer);
void RemoveObserver(const std::string& pref_name,
GeneratedPref::Observer* observer);
// KeyedService:
void Shutdown() override;
private:
// Returns preference implementation or nullptr if not found. Will create
// preferences if they haven't already been created.
GeneratedPref* FindPrefImpl(const std::string& pref_name);
// Creates all generated preferences and populates the preference map.
void CreatePrefs();
// Preference object map.
PrefsMap prefs_;
raw_ptr<Profile> profile_;
};
} // namespace settings_private
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_PRIVATE_GENERATED_PREFS_H_
|
