win8/test/metro_registration_helper.cc

   1 // Copyright (c) 2013 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 "win8/test/metro_registration_helper.h"
   6
   7 #include <shlobj.h>
   8
   9 #include <vector>
  10
  11 #include "base/command_line.h"
  12 #include "base/files/file_path.h"
  13 #include "base/files/file_util.h"
  14 #include "base/logging.h"
  15 #include "base/path_service.h"
  16 #include "base/process/kill.h"
  17 #include "base/process/launch.h"
  18 #include "base/process/process.h"
  19 #include "base/strings/string16.h"
  20 #include "base/win/scoped_co_mem.h"
  21 #include "base/win/scoped_comptr.h"
  22 #include "base/win/scoped_handle.h"
  23 #include "win8/test/open_with_dialog_controller.h"
  24 #include "win8/test/test_registrar_constants.h"
  25
  26 namespace {
  27
  28 const int kRegistrationTimeoutSeconds = 30;
  29
  30 // Copied from util_constants.cc to avoid taking a dependency on installer_util.
  31 const wchar_t kChromeExe[] = L"chrome.exe";
  32 const wchar_t kRegistrar[] = L"test_registrar.exe";
  33
  34 // Registers chrome.exe as a potential Win8 default browser.  It will then show
  35 // up in the default browser selection dialog as kDefaultTestExeName. Intended
  36 // to be used by a test binary in the build output directory and assumes the
  37 // presence of test_registrar.exe, a viewer process, and all needed DLLs in the
  38 // same directory as the calling module.
  39 bool RegisterTestDefaultBrowser() {
  40   base::FilePath dir;
  41   if (!PathService::Get(base::DIR_EXE, &dir))
  42     return false;
  43
  44   base::FilePath chrome_exe(dir.Append(kChromeExe));
  45   base::FilePath registrar(dir.Append(kRegistrar));
  46
  47   if (!base::PathExists(chrome_exe) || !base::PathExists(registrar)) {
  48     LOG(ERROR) << "Could not locate " << kChromeExe << " or " << kRegistrar;
  49     return false;
  50   }
  51
  52   // Perform the registration by invoking test_registrar.exe.
  53   base::CommandLine register_command(registrar);
  54   register_command.AppendArg("/RegServer");
  55
  56   base::Process register_process =
  57       base::LaunchProcess(register_command.GetCommandLineString(),
  58                           base::LaunchOptions());
  59   if (register_process.IsValid()) {
  60     int ret = 0;
  61     if (register_process.WaitForExitWithTimeout(
  62             base::TimeDelta::FromSeconds(kRegistrationTimeoutSeconds), &ret)) {
  63       if (ret == 0) {
  64         return true;
  65       } else {
  66         LOG(ERROR) << "Win8 registration using "
  67                    << register_command.GetCommandLineString()
  68                    << " failed with error code " << ret;
  69       }
  70     } else {
  71       LOG(ERROR) << "Win8 registration using "
  72                  << register_command.GetCommandLineString() << " timed out.";
  73     }
  74   }
  75
  76   PLOG(ERROR) << "Failed to launch Win8 registration utility using "
  77               << register_command.GetCommandLineString();
  78   return false;
  79 }
  80
  81 // Returns true if the test viewer's progid is the default handler for
  82 // |protocol|.
  83 bool IsTestDefaultForProtocol(const wchar_t* protocol) {
  84   base::win::ScopedComPtr<IApplicationAssociationRegistration> registration;
  85   HRESULT hr = registration.CreateInstance(
  86       CLSID_ApplicationAssociationRegistration, NULL, CLSCTX_INPROC);
  87   if (FAILED(hr)) {
  88     LOG(ERROR) << std::hex << hr;
  89     return false;
  90   }
  91
  92   base::win::ScopedCoMem<wchar_t> current_app;
  93   hr = registration->QueryCurrentDefault(protocol, AT_URLPROTOCOL,
  94                                          AL_EFFECTIVE, &current_app);
  95   if (FAILED(hr)) {
  96     LOG(ERROR) << std::hex << hr;
  97     return false;
  98   }
  99
 100   return !base::string16(win8::test::kDefaultTestProgId).compare(current_app);
 101 }
 102
 103 }  // namespace
 104
 105 namespace win8 {
 106
 107 bool MakeTestDefaultBrowserSynchronously() {
 108   static const wchar_t kDefaultBrowserProtocol[] = L"http";
 109
 110   if (!RegisterTestDefaultBrowser())
 111     return false;
 112
 113   // Make sure the registration changes have been acknowledged by the shell
 114   // before querying for the current default.
 115   SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST | SHCNF_FLUSH, NULL, NULL);
 116
 117   // OpenWithDialogController will fail if the Test Runner is already default
 118   // since it will not show up verbatim in the dialog (e.g., in EN-US, it will
 119   // be prefixed by "Keep using ").
 120   if (IsTestDefaultForProtocol(kDefaultBrowserProtocol))
 121     return true;
 122
 123   std::vector<base::string16> choices;
 124   OpenWithDialogController controller;
 125   HRESULT hr = controller.RunSynchronously(
 126       NULL, kDefaultBrowserProtocol, win8::test::kDefaultTestExeName, &choices);
 127   LOG_IF(ERROR, FAILED(hr)) << std::hex << hr;
 128   DCHECK(IsTestDefaultForProtocol(kDefaultBrowserProtocol));
 129   return SUCCEEDED(hr);
 130 }
 131
 132 }  // namespace win8