blob: 8b13aa1426e31ae615ae0a47489c29bd135e0c9f (
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
|
// Copyright 2017 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.
#include "ui/base/class_property.h"
#include <algorithm>
#include <utility>
namespace ui {
PropertyHandler::PropertyHandler() {}
PropertyHandler::~PropertyHandler() {
ClearProperties();
}
int64_t PropertyHandler::SetPropertyInternal(const void* key,
const char* name,
PropertyDeallocator deallocator,
int64_t value,
int64_t default_value) {
// This code may be called before |port_| has been created.
std::unique_ptr<PropertyData> data = BeforePropertyChange(key);
int64_t old = GetPropertyInternal(key, default_value);
if (value == default_value) {
prop_map_.erase(key);
} else {
Value prop_value;
prop_value.name = name;
prop_value.value = value;
prop_value.deallocator = deallocator;
prop_map_[key] = prop_value;
}
AfterPropertyChange(key, old, std::move(data));
return old;
}
std::unique_ptr<PropertyData> PropertyHandler::BeforePropertyChange(
const void* key) {
return nullptr;
}
void PropertyHandler::ClearProperties() {
// Clear properties.
for (std::map<const void*, Value>::const_iterator iter = prop_map_.begin();
iter != prop_map_.end();
++iter) {
if (iter->second.deallocator)
(*iter->second.deallocator)(iter->second.value);
}
prop_map_.clear();
}
int64_t PropertyHandler::GetPropertyInternal(const void* key,
int64_t default_value) const {
std::map<const void*, Value>::const_iterator iter = prop_map_.find(key);
if (iter == prop_map_.end())
return default_value;
return iter->second.value;
}
std::set<const void*> PropertyHandler::GetAllPropertyKeys() const {
std::set<const void*> keys;
for (auto& pair : prop_map_)
keys.insert(pair.first);
return keys;
}
} // namespace ui
|
