mojo/runner/scoped_user_data_dir.cc

   1 // Copyright 2015 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 "mojo/runner/scoped_user_data_dir.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "mojo/runner/switches.h"
  10
  11 namespace mojo {
  12 namespace runner {
  13
  14 ScopedUserDataDir::ScopedUserDataDir() {
  15   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  16   if (!command_line->HasSwitch(switches::kUseTemporaryUserDataDir))
  17     return;
  18
  19   if (command_line->HasSwitch(switches::kUserDataDir)) {
  20     // User should not specify a --user-data-dir manually when using
  21     // --use-temporary-user-data-dir. The point of the flag is to let the
  22     // mojo runner process manage the lifetime of the user data dir.
  23     LOG(ERROR) << "Ignoring request to --use-temporary-user-data-dir because "
  24                << "--user-data-dir was also specified.";
  25     return;
  26   }
  27
  28   if (!temp_dir_.CreateUniqueTempDir()) {
  29     LOG(ERROR) << "Failed to create a temporary user data dir.";
  30     return;
  31   }
  32
  33   command_line->AppendSwitchPath(switches::kUserDataDir, temp_dir_.path());
  34 }
  35
  36 ScopedUserDataDir::~ScopedUserDataDir() {
  37 }
  38
  39 }  // namespace runner
  40 }  // namespace mojo