helper.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/installer/util/helper.h"
6
7#include "base/logging.h"
8#include "base/file_path.h"
9#include "base/path_service.h"
10#include "base/win/windows_version.h"
11#include "chrome/common/chrome_constants.h"
12#include "chrome/installer/util/browser_distribution.h"
13#include "chrome/installer/util/installation_state.h"
14#include "chrome/installer/util/install_util.h"
15#include "chrome/installer/util/util_constants.h"
16
17namespace {
18
19FilePath GetChromeInstallBasePath(bool system,
20                                  BrowserDistribution* distribution,
21                                  const wchar_t* sub_path) {
22  FilePath install_path;
23  if (system) {
24    PathService::Get(base::DIR_PROGRAM_FILES, &install_path);
25  } else {
26    PathService::Get(base::DIR_LOCAL_APP_DATA, &install_path);
27  }
28
29  if (!install_path.empty()) {
30    install_path = install_path.Append(distribution->GetInstallSubDir());
31    install_path = install_path.Append(sub_path);
32  }
33
34  return install_path;
35}
36
37}  // namespace
38
39namespace installer {
40
41FilePath GetChromeInstallPath(bool system_install, BrowserDistribution* dist) {
42  return GetChromeInstallBasePath(system_install, dist, kInstallBinaryDir);
43}
44
45void GetChromeUserDataPaths(BrowserDistribution* dist,
46                            std::vector<FilePath>* paths) {
47  const bool has_metro_data = dist->CanSetAsDefault() &&
48      base::win::GetVersion() >= base::win::VERSION_WIN8;
49  FilePath data_dir(GetChromeInstallBasePath(false, dist, kInstallUserDataDir));
50  if (data_dir.empty()) {
51    paths->clear();
52  } else {
53    paths->resize(has_metro_data ? 2 : 1);
54    (*paths)[0] = data_dir;
55    if (has_metro_data) {
56      (*paths)[1] = data_dir.DirName().Append(
57          chrome::kMetroChromeUserDataSubDir);
58    }
59  }
60  DCHECK(!paths->empty());
61}
62
63BrowserDistribution* GetBinariesDistribution(bool system_install) {
64  BrowserDistribution* dist = BrowserDistribution::GetDistribution();
65  ProductState state;
66
67  // If we're part of a multi-install, we need to poll using the multi-installer
68  // package's app guid rather than the browser's or Chrome Frame's app guid.
69  // If we can't read the app's state from the registry, assume it isn't
70  // multi-installed.
71  if (state.Initialize(system_install, dist) && state.is_multi_install()) {
72    return BrowserDistribution::GetSpecificDistribution(
73        BrowserDistribution::CHROME_BINARIES);
74  } else {
75    return dist;
76  }
77}
78
79std::wstring GetAppGuidForUpdates(bool system_install) {
80  return GetBinariesDistribution(system_install)->GetAppGuid();
81}
82
83}  // namespace installer.
84