helper.cc revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
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/files/file_path.h"
8#include "base/logging.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/install_util.h"
14#include "chrome/installer/util/installation_state.h"
15#include "chrome/installer/util/util_constants.h"
16
17namespace {
18
19base::FilePath GetChromeInstallBasePath(bool system,
20                                        BrowserDistribution* distribution,
21                                        const wchar_t* sub_path) {
22  base::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
41base::FilePath GetChromeInstallPath(bool system_install,
42                                    BrowserDistribution* dist) {
43  return GetChromeInstallBasePath(system_install, dist, kInstallBinaryDir);
44}
45
46// TODO(gab): Cleanup this method (kMetroChromeUserDataSubDir is deprecated).
47void GetChromeUserDataPaths(BrowserDistribution* dist,
48                            std::vector<base::FilePath>* paths) {
49  const bool has_metro_data =
50      base::win::GetVersion() >= base::win::VERSION_WIN8 &&
51      dist->GetDefaultBrowserControlPolicy() !=
52          BrowserDistribution::DEFAULT_BROWSER_UNSUPPORTED;
53
54  base::FilePath data_dir(GetChromeInstallBasePath(false, dist,
55                                                   kInstallUserDataDir));
56  if (data_dir.empty()) {
57    paths->clear();
58  } else {
59    paths->resize(has_metro_data ? 2 : 1);
60    (*paths)[0] = data_dir;
61    if (has_metro_data) {
62      (*paths)[1] = data_dir.DirName().Append(
63          chrome::kMetroChromeUserDataSubDir);
64    }
65  }
66  DCHECK(!paths->empty());
67}
68
69BrowserDistribution* GetBinariesDistribution(bool system_install) {
70  BrowserDistribution* dist = BrowserDistribution::GetDistribution();
71  ProductState state;
72
73  // If we're part of a multi-install, we need to poll using the multi-installer
74  // package's app guid rather than the browser's or Chrome Frame's app guid.
75  // If we can't read the app's state from the registry, assume it isn't
76  // multi-installed.
77  if (state.Initialize(system_install, dist) && state.is_multi_install()) {
78    return BrowserDistribution::GetSpecificDistribution(
79        BrowserDistribution::CHROME_BINARIES);
80  } else {
81    return dist;
82  }
83}
84
85std::wstring GetAppGuidForUpdates(bool system_install) {
86  return GetBinariesDistribution(system_install)->GetAppGuid();
87}
88
89}  // namespace installer.
90