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
|
// Copyright 2015 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 "chrome/installer/setup/update_active_setup_version_work_item.h"
#include <stdint.h>
#include <vector>
#include "base/bind.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
namespace {
// The major version and first component of the version identifying the work
// done by setup.exe --configure-user-settings on user login by way of Active
// Setup. Increase this value if the work done when handling Active Setup
// should be executed again for all existing users.
const base::char16 kActiveSetupMajorVersion[] = L"43";
} // namespace
UpdateActiveSetupVersionWorkItem::UpdateActiveSetupVersionWorkItem(
const base::string16& active_setup_path,
Operation operation)
: set_reg_value_work_item_(
HKEY_LOCAL_MACHINE,
active_setup_path,
WorkItem::kWow64Default,
L"Version",
base::Bind(
&UpdateActiveSetupVersionWorkItem::GetUpdatedActiveSetupVersion,
base::Unretained(this))),
operation_(operation) {
}
bool UpdateActiveSetupVersionWorkItem::Do() {
return set_reg_value_work_item_.Do();
}
void UpdateActiveSetupVersionWorkItem::Rollback() {
set_reg_value_work_item_.Rollback();
}
base::string16 UpdateActiveSetupVersionWorkItem::GetUpdatedActiveSetupVersion(
const base::string16& existing_version) {
std::vector<base::string16> version_components = base::SplitString(
existing_version, L",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
// If |existing_version| was empty or otherwise corrupted, turn it into a
// valid one.
if (version_components.size() != 4U)
version_components.assign(4U, L"0");
// Unconditionally update the major version.
version_components[MAJOR] = kActiveSetupMajorVersion;
if (operation_ == UPDATE_AND_BUMP_OS_UPGRADES_COMPONENT) {
uint32_t previous_value;
if (!base::StringToUint(version_components[OS_UPGRADES], &previous_value)) {
LOG(WARNING) << "Couldn't process previous OS_UPGRADES Active Setup "
"version component: " << version_components[OS_UPGRADES];
previous_value = 0;
}
version_components[OS_UPGRADES] = base::UintToString16(previous_value + 1);
}
return base::JoinString(version_components, L",");
}
|
