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
84
85
86
87
88
89
90
91
92
|
// 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.
#include "components/prefs/in_memory_pref_store.h"
#include <memory>
#include <string>
#include <utility>
#include "base/observer_list.h"
#include "base/strings/string_piece.h"
#include "base/values.h"
InMemoryPrefStore::InMemoryPrefStore() {}
InMemoryPrefStore::~InMemoryPrefStore() {}
bool InMemoryPrefStore::GetValue(base::StringPiece key,
const base::Value** value) const {
return prefs_.GetValue(key, value);
}
base::Value::Dict InMemoryPrefStore::GetValues() const {
return prefs_.AsDict();
}
bool InMemoryPrefStore::GetMutableValue(const std::string& key,
base::Value** value) {
return prefs_.GetValue(key, value);
}
void InMemoryPrefStore::AddObserver(PrefStore::Observer* observer) {
observers_.AddObserver(observer);
}
void InMemoryPrefStore::RemoveObserver(PrefStore::Observer* observer) {
observers_.RemoveObserver(observer);
}
bool InMemoryPrefStore::HasObservers() const {
return !observers_.empty();
}
bool InMemoryPrefStore::IsInitializationComplete() const {
return true;
}
void InMemoryPrefStore::SetValue(const std::string& key,
base::Value value,
uint32_t flags) {
if (prefs_.SetValue(key, std::move(value)))
ReportValueChanged(key, flags);
}
void InMemoryPrefStore::SetValueSilently(const std::string& key,
base::Value value,
uint32_t flags) {
prefs_.SetValue(key, std::move(value));
}
void InMemoryPrefStore::RemoveValue(const std::string& key, uint32_t flags) {
if (prefs_.RemoveValue(key))
ReportValueChanged(key, flags);
}
void InMemoryPrefStore::RemoveValuesByPrefixSilently(
const std::string& prefix) {
prefs_.ClearWithPrefix(prefix);
}
bool InMemoryPrefStore::ReadOnly() const {
return false;
}
PersistentPrefStore::PrefReadError InMemoryPrefStore::GetReadError() const {
return PersistentPrefStore::PREF_READ_ERROR_NONE;
}
PersistentPrefStore::PrefReadError InMemoryPrefStore::ReadPrefs() {
return PersistentPrefStore::PREF_READ_ERROR_NONE;
}
void InMemoryPrefStore::ReportValueChanged(const std::string& key,
uint32_t flags) {
for (Observer& observer : observers_)
observer.OnPrefValueChanged(key);
}
bool InMemoryPrefStore::IsInMemoryPrefStore() const {
return true;
}
|
