Move part of WizardController static code to StartupUtils

chrome/browser/chromeos/login/startup_utils.cc

Index: chrome/browser/chromeos/login/startup_utils.cc
diff --git a/chrome/browser/chromeos/login/startup_utils.cc b/chrome/browser/chromeos/login/startup_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..00ea3d0f47ff2b733e8e66dc688ad695909ec0f9
--- /dev/null
+++ b/chrome/browser/chromeos/login/startup_utils.cc
@@ -0,0 +1,169 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/chromeos/login/startup_utils.h"
+
+#include "base/bind.h"
+#include "base/chromeos/chromeos_version.h"
+#include "base/file_util.h"
+#include "base/prefs/pref_registry_simple.h"
+#include "base/prefs/pref_service.h"
+#include "base/threading/thread_restrictions.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/common/pref_names.h"
+#include "content/public/browser/browser_thread.h"
+#include "ui/base/l10n/l10n_util.h"
+
+using content::BrowserThread;
+
+namespace {
+
+// A string pref with initial locale set in VPD or manifest.
+const char kInitialLocale[] = "intl.initial_locale";
+
+// A boolean pref of the OOBE complete flag (first OOBE part before login).
+const char kOobeComplete[] = "OobeComplete";
+
+// A boolean pref of the device registered flag (second part after first login).
+const char kDeviceRegistered[] = "DeviceRegistered";
+
+// Time in seconds that we wait for the device to reboot.
+// If reboot didn't happen, ask user to reboot device manually.
+const int kWaitForRebootTimeSec = 3;
+
+// Saves boolean "Local State" preference and forces its persistence to disk.
+void SaveBoolPreferenceForced(const char* pref_name, bool value) {
+  PrefService* prefs = g_browser_process->local_state();
+  prefs->SetBoolean(pref_name, value);
+  prefs->CommitPendingWrite();
+}
+
+// Saves integer "Local State" preference and forces its persistence to disk.
+void SaveIntegerPreferenceForced(const char* pref_name, int value) {
+  PrefService* prefs = g_browser_process->local_state();
+  prefs->SetInteger(pref_name, value);
+  prefs->CommitPendingWrite();
+}
+
+// Saves string "Local State" preference and forces its persistence to disk.
+void SaveStringPreferenceForced(const char* pref_name,
+                                const std::string& value) {
+  PrefService* prefs = g_browser_process->local_state();
+  prefs->SetString(pref_name, value);
+  prefs->CommitPendingWrite();
+}
+
+}  // namespace
+
+namespace chromeos {
+
+// static
+void StartupUtils::RegisterPrefs(PrefRegistrySimple* registry) {
+  registry->RegisterBooleanPref(kOobeComplete, false);
+  registry->RegisterIntegerPref(kDeviceRegistered, -1);
+  registry->RegisterBooleanPref(prefs::kEulaAccepted, false);
+  registry->RegisterStringPref(kInitialLocale, "en-US");
+}
+
+// static
+bool StartupUtils::IsEulaAccepted() {
+  return g_browser_process->local_state()->GetBoolean(prefs::kEulaAccepted);
+}
+
+// static
+bool StartupUtils::IsOobeCompleted() {
+  return g_browser_process->local_state()->GetBoolean(kOobeComplete);
+}
+
+// static
+void StartupUtils::MarkEulaAccepted() {
+  SaveBoolPreferenceForced(prefs::kEulaAccepted, true);
+}
+
+// static
+void StartupUtils::MarkOobeCompleted() {
+  SaveBoolPreferenceForced(kOobeComplete, true);
+}
+
+// Returns the path to flag file indicating that both parts of OOBE were
+// completed.
+// On chrome device, returns /home/chronos/.oobe_completed.
+// On Linux desktop, returns $HOME/.oobe_completed.
+static base::FilePath GetOobeCompleteFlagPath() {
+  // The constant is defined here so it won't be referenced directly.
+  const char kOobeCompleteFlagFilePath[] = "/home/chronos/.oobe_completed";
+
+  if (base::chromeos::IsRunningOnChromeOS()) {
+    return base::FilePath(kOobeCompleteFlagFilePath);
+  } else {
+    const char* home = getenv("HOME");
+    // Unlikely but if HOME is not defined, use the current directory.
+    if (!home)
+      home = "";
+    return base::FilePath(home).AppendASCII(".oobe_completed");
+  }
+}
+
+static void CreateOobeCompleteFlagFile() {
+  // Create flag file for boot-time init scripts.
+  base::FilePath oobe_complete_path = GetOobeCompleteFlagPath();
+  if (!file_util::PathExists(oobe_complete_path)) {
+    FILE* oobe_flag_file = file_util::OpenFile(oobe_complete_path, "w+b");
+    if (oobe_flag_file == NULL)
+      DLOG(WARNING) << oobe_complete_path.value() << " doesn't exist.";
+    else
+      file_util::CloseFile(oobe_flag_file);
+  }
+}
+
+// static
+bool StartupUtils::IsDeviceRegistered() {
+  int value = g_browser_process->local_state()->GetInteger(kDeviceRegistered);
+  if (value > 0) {
+    // Recreate flag file in case it was lost.
+    BrowserThread::PostTask(
+        BrowserThread::FILE,
+        FROM_HERE,
+        base::Bind(&CreateOobeCompleteFlagFile));
+    return true;
+  } else if (value == 0) {
+    return false;
+  } else {
+    // Pref is not set. For compatibility check flag file. It causes blocking
+    // IO on UI thread. But it's required for update from old versions.
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    base::FilePath oobe_complete_flag_file_path = GetOobeCompleteFlagPath();
+    bool file_exists = file_util::PathExists(oobe_complete_flag_file_path);
+    SaveIntegerPreferenceForced(kDeviceRegistered, file_exists ? 1 : 0);
+    return file_exists;
+  }
+}
+
+// static
+void StartupUtils::MarkDeviceRegistered() {
+  SaveIntegerPreferenceForced(kDeviceRegistered, 1);
+  BrowserThread::PostTask(
+      BrowserThread::FILE,
+      FROM_HERE,
+      base::Bind(&CreateOobeCompleteFlagFile));
+}
+
+// static
+std::string StartupUtils::GetInitialLocale() {
+  std::string locale =
+      g_browser_process->local_state()->GetString(kInitialLocale);
+  if (!l10n_util::IsValidLocaleSyntax(locale))
+    locale = "en-US";
+  return locale;
+}
+
+// static
+void StartupUtils::SetInitialLocale(const std::string& locale) {
+  if (l10n_util::IsValidLocaleSyntax(locale))
+    SaveStringPreferenceForced(kInitialLocale, locale);
+  else
+    NOTREACHED();
+}
+
+}  // namespace chromeos