chrome/installer/util/helper.cc

   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
  17 namespace {
  18
  19 base::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
  39 namespace installer {
  40
  41 base::FilePath GetChromeInstallPath(bool system_install,
  42                                     BrowserDistribution* dist) {
  43   return GetChromeInstallBasePath(system_install, dist, kInstallBinaryDir);
  44 }
  45
  46 void GetChromeUserDataPaths(BrowserDistribution* dist,
  47                             std::vector<base::FilePath>* paths) {
  48   const bool has_metro_data =
  49       base::win::GetVersion() >= base::win::VERSION_WIN8 &&
  50       dist->GetDefaultBrowserControlPolicy() !=
  51           BrowserDistribution::DEFAULT_BROWSER_UNSUPPORTED;
  52
  53   base::FilePath data_dir(GetChromeInstallBasePath(false, dist,
  54                                                    kInstallUserDataDir));
  55   if (data_dir.empty()) {
  56     paths->clear();
  57   } else {
  58     paths->resize(has_metro_data ? 2 : 1);
  59     (*paths)[0] = data_dir;
  60     if (has_metro_data) {
  61       (*paths)[1] = data_dir.DirName().Append(
  62           chrome::kMetroChromeUserDataSubDir);
  63     }
  64   }
  65   DCHECK(!paths->empty());
  66 }
  67
  68 BrowserDistribution* GetBinariesDistribution(bool system_install) {
  69   BrowserDistribution* dist = BrowserDistribution::GetDistribution();
  70   ProductState state;
  71
  72   // If we're part of a multi-install, we need to poll using the multi-installer
  73   // package's app guid rather than the browser's or Chrome Frame's app guid.
  74   // If we can't read the app's state from the registry, assume it isn't
  75   // multi-installed.
  76   if (state.Initialize(system_install, dist) && state.is_multi_install()) {
  77     return BrowserDistribution::GetSpecificDistribution(
  78         BrowserDistribution::CHROME_BINARIES);
  79   } else {
  80     return dist;
  81   }
  82 }
  83
  84 std::wstring GetAppGuidForUpdates(bool system_install) {
  85   return GetBinariesDistribution(system_install)->GetAppGuid();
  86 }
  87
  88 }  // namespace installer.