Honor owner tap-to-click and mouse buttons swap on login screen

chrome/browser/chromeos/preferences.cc

 // 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/preferences.h"
 
 #include "base/chromeos/chromeos_version.h"
 #include "base/command_line.h"
 #include "base/i18n/time_formatting.h"
 #include "base/metrics/histogram.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/api/prefs/pref_member.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/display/display_preferences.h"
 #include "chrome/browser/chromeos/gdata/drive_file_system_util.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/input_method/xkeyboard.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/system/drm_settings.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
 #include "chrome/browser/chromeos/system/power_manager_settings.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ skipping 358 matching lines @@
 }
 
 void Preferences::NotifyPrefChanged(const std::string* pref_name) {
   if (!pref_name || *pref_name == prefs::kTapToClickEnabled) {
     const bool enabled = tap_to_click_enabled_.GetValue();
     system::touchpad_settings::SetTapToClick(enabled);
     if (pref_name)
       UMA_HISTOGRAM_BOOLEAN("Touchpad.TapToClick.Changed", enabled);
     else
       UMA_HISTOGRAM_BOOLEAN("Touchpad.TapToClick.Started", enabled);
+
+    // Remember owner preference to use it on login screen.

[achuithb, 2012/09/13 10:08:48]

nit: Let's change this comment to:
// Save owner preference in local state to use on login screen.

Same below.

[Dmitry Polukhin, 2012/09/13 10:16:38]

Done.

+    if (chromeos::UserManager::Get()->IsCurrentUserOwner()) {
+      PrefService* prefs = g_browser_process->local_state();
+      if (prefs->GetBoolean(prefs::kOwnerTapToClickEnabled) != enabled)
+        prefs->SetBoolean(prefs::kOwnerTapToClickEnabled, enabled);
+    }
   }
   if (!pref_name || *pref_name == prefs::kEnableTouchpadThreeFingerClick) {
     const bool enabled = three_finger_click_enabled_.GetValue();
     system::touchpad_settings::SetThreeFingerClick(enabled);
     if (pref_name)
       UMA_HISTOGRAM_BOOLEAN("Touchpad.ThreeFingerClick.Changed", enabled);
     else
       UMA_HISTOGRAM_BOOLEAN("Touchpad.ThreeFingerClick.Started", enabled);
   }
   if (!pref_name || *pref_name == prefs::kNaturalScroll) {
@@ skipping 26 matching lines @@
           "Touchpad.Sensitivity.Started", sensitivity, 1, 5, 5);
     }
   }
   if (!pref_name || *pref_name == prefs::kPrimaryMouseButtonRight) {
     const bool right = primary_mouse_button_right_.GetValue();
     system::mouse_settings::SetPrimaryButtonRight(right);
     if (pref_name)
       UMA_HISTOGRAM_BOOLEAN("Mouse.PrimaryButtonRight.Changed", right);
     else
       UMA_HISTOGRAM_BOOLEAN("Mouse.PrimaryButtonRight.Started", right);
+
+    // Remember owner preference to use it on login screen.
+    if (chromeos::UserManager::Get()->IsCurrentUserOwner()) {
+      PrefService* prefs = g_browser_process->local_state();
+      if (prefs->GetBoolean(prefs::kOwnerPrimaryMouseButtonRight) != right)
+        prefs->SetBoolean(prefs::kOwnerPrimaryMouseButtonRight, right);
+    }
   }
   if (!pref_name || *pref_name == prefs::kDownloadDefaultDirectory) {
     const bool default_download_to_drive = gdata::util::IsUnderDriveMountPoint(
         download_default_directory_.GetValue());
     if (pref_name)
       UMA_HISTOGRAM_BOOLEAN("FileBrowser.DownloadDestination.IsDrive.Changed",
           default_download_to_drive);
     else
       UMA_HISTOGRAM_BOOLEAN("FileBrowser.DownloadDestination.IsDrive.Started",
           default_download_to_drive);
@@ skipping 238 matching lines @@
 
   input_method::AutoRepeatRate rate;
   rate.initial_delay_in_ms = xkb_auto_repeat_delay_pref_.GetValue();
   rate.repeat_interval_in_ms = xkb_auto_repeat_interval_pref_.GetValue();
   DCHECK(rate.initial_delay_in_ms > 0);
   DCHECK(rate.repeat_interval_in_ms > 0);
   input_method::XKeyboard::SetAutoRepeatRate(rate);
 }
 
 }  // namespace chromeos