chromecast/browser/pref_service_helper.cc

   1 // Copyright 2014 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 "chromecast/browser/pref_service_helper.h"
   6
   7 #include <string>
   8
   9 #include "base/files/file_path.h"
  10 #include "base/files/file_util.h"
  11 #include "base/logging.h"
  12 #include "base/path_service.h"
  13 #include "base/prefs/json_pref_store.h"
  14 #include "base/prefs/pref_registry_simple.h"
  15 #include "base/prefs/pref_service_factory.h"
  16 #include "base/prefs/pref_store.h"
  17 #include "chromecast/base/cast_paths.h"
  18 #include "chromecast/common/pref_names.h"
  19 #include "content/public/browser/browser_thread.h"
  20
  21 namespace chromecast {
  22 namespace shell {
  23
  24 namespace {
  25
  26 void UserPrefsLoadError(PersistentPrefStore::PrefReadError* error_val,
  27                         PersistentPrefStore::PrefReadError error) {
  28   DCHECK(error_val);
  29   *error_val = error;
  30 }
  31
  32 base::FilePath GetConfigPath() {
  33   base::FilePath config_path;
  34   CHECK(PathService::Get(FILE_CAST_CONFIG, &config_path));
  35   return config_path;
  36 }
  37
  38 }  // namespace
  39
  40 // static
  41 scoped_ptr<PrefService> PrefServiceHelper::CreatePrefService(
  42     PrefRegistrySimple* registry) {
  43   const base::FilePath config_path(GetConfigPath());
  44   VLOG(1) << "Loading config from " << config_path.value();
  45
  46   registry->RegisterBooleanPref(prefs::kEnableRemoteDebugging, false);
  47   registry->RegisterBooleanPref(prefs::kMetricsIsNewClientID, false);
  48
  49   RegisterPlatformPrefs(registry);
  50
  51   base::PrefServiceFactory prefServiceFactory;
  52   scoped_refptr<base::SequencedTaskRunner> task_runner =
  53       JsonPrefStore::GetTaskRunnerForFile(
  54           config_path,
  55           content::BrowserThread::GetBlockingPool());
  56   prefServiceFactory.SetUserPrefsFile(config_path, task_runner.get());
  57   prefServiceFactory.set_async(false);
  58
  59   PersistentPrefStore::PrefReadError prefs_read_error =
  60       PersistentPrefStore::PREF_READ_ERROR_NONE;
  61   prefServiceFactory.set_read_error_callback(
  62       base::Bind(&UserPrefsLoadError, &prefs_read_error));
  63
  64   scoped_ptr<PrefService> pref_service(prefServiceFactory.Create(registry));
  65   if (prefs_read_error != PersistentPrefStore::PREF_READ_ERROR_NONE) {
  66     LOG(ERROR) << "Cannot initialize chromecast config: "
  67                << config_path.value()
  68                << ", pref_error=" << prefs_read_error;
  69   }
  70
  71   OnPrefsLoaded(pref_service.get());
  72   return pref_service.Pass();
  73 }
  74
  75 }  // namespace shell
  76 }  // namespace chromecast