Options2: Pull the trigger.

chrome/browser/ui/webui/options2/chromeos/system_options_handler.cc

+// Copyright (c) 2011 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/ui/webui/options2/chromeos/system_options_handler.h"
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/command_line.h"
+#include "base/json/json_value_serializer.h"
+#include "base/string_number_conversions.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "content/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/accessibility/accessibility_util.h"
+#include "chrome/browser/chromeos/cros_settings.h"
+#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
+#include "chrome/browser/chromeos/dbus/power_manager_client.h"
+#include "chrome/browser/chromeos/language_preferences.h"
+#include "chrome/browser/chromeos/system/touchpad_settings.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/options2/chromeos/system_settings_provider.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/common/extensions/extension.h"
+#include "grit/browser_resources.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+#include "grit/theme_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+
+using content::BrowserThread;
+
+namespace {
+
+void TouchpadExistsFileThread(bool* exists) {
+  *exists = chromeos::system::touchpad_settings::TouchpadExists();
+}
+
+}
+
+SystemOptionsHandler::SystemOptionsHandler() {
+}
+
+SystemOptionsHandler::~SystemOptionsHandler() {
+}
+
+void SystemOptionsHandler::GetLocalizedValues(
+    DictionaryValue* localized_strings) {
+  DCHECK(localized_strings);
+
+  RegisterTitle(localized_strings, "systemPage", IDS_OPTIONS_SYSTEM_TAB_LABEL);
+  localized_strings->SetString("datetimeTitle",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_SECTION_TITLE_DATETIME));
+  localized_strings->SetString("timezone",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_TIMEZONE_DESCRIPTION));
+  localized_strings->SetString("use24HourClock",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_USE_24HOUR_CLOCK_DESCRIPTION));
+
+  localized_strings->SetString("screen",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_SECTION_TITLE_SCREEN));
+  localized_strings->SetString("brightness",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_BRIGHTNESS_DESCRIPTION));
+  localized_strings->SetString("brightnessDecrease",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_BRIGHTNESS_DECREASE));
+  localized_strings->SetString("brightnessIncrease",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_BRIGHTNESS_INCREASE));
+
+  localized_strings->SetString("touchpad",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_SECTION_TITLE_TOUCHPAD));
+  localized_strings->SetString("enableTapToClick",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_TAP_TO_CLICK_ENABLED_DESCRIPTION));
+  localized_strings->SetString("sensitivity",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_SENSITIVITY_DESCRIPTION));
+  localized_strings->SetString("sensitivityLess",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_SENSITIVITY_LESS_DESCRIPTION));
+  localized_strings->SetString("sensitivityMore",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_SENSITIVITY_MORE_DESCRIPTION));
+
+  localized_strings->SetString("language",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_SECTION_TITLE_LANGUAGE));
+  localized_strings->SetString("languageCustomize",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_LANGUAGES_CUSTOMIZE));
+  localized_strings->SetString("modifierKeysCustomize",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_LANGUAGES_MODIFIER_KEYS_CUSTOMIZE));
+
+  localized_strings->SetString("accessibilityTitle",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_SECTION_TITLE_ACCESSIBILITY));
+  localized_strings->SetString("accessibility",
+      l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_ACCESSIBILITY_DESCRIPTION));
+
+  // TODO(pastarmovj): replace this with a call to the CrosSettings list
+  // handling functionality to come.
+  localized_strings->Set("timezoneList",
+      static_cast<chromeos::SystemSettingsProvider*>(
+          chromeos::CrosSettings::Get()->GetProvider(
+              chromeos::kSystemTimezone))->GetTimezoneList());
+}
+
+void SystemOptionsHandler::Initialize() {
+  DCHECK(web_ui_);
+  PrefService* pref_service = g_browser_process->local_state();
+  bool acc_enabled = pref_service->GetBoolean(prefs::kSpokenFeedbackEnabled);
+  base::FundamentalValue checked(acc_enabled);
+  web_ui_->CallJavascriptFunction(
+      "options.SystemOptions.SetAccessibilityCheckboxState", checked);
+
+  bool* exists = new bool;
+  BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
+      base::Bind(&TouchpadExistsFileThread, exists),
+      base::Bind(&SystemOptionsHandler::TouchpadExists, AsWeakPtr(), exists));
+}
+
+void SystemOptionsHandler::TouchpadExists(bool* exists) {
+  if (*exists)
+    web_ui_->CallJavascriptFunction(
+        "options.SystemOptions.showTouchpadControls");
+  delete exists;
+}
+
+void SystemOptionsHandler::RegisterMessages() {
+  DCHECK(web_ui_);
+  web_ui_->RegisterMessageCallback("accessibilityChange",
+      base::Bind(&SystemOptionsHandler::AccessibilityChangeCallback,
+                 base::Unretained(this)));
+
+  web_ui_->RegisterMessageCallback("decreaseScreenBrightness",
+      base::Bind(&SystemOptionsHandler::DecreaseScreenBrightnessCallback,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("increaseScreenBrightness",
+      base::Bind(&SystemOptionsHandler::IncreaseScreenBrightnessCallback,
+                 base::Unretained(this)));
+}
+
+void SystemOptionsHandler::AccessibilityChangeCallback(const ListValue* args) {
+  std::string checked_str;
+  args->GetString(0, &checked_str);
+  bool accessibility_enabled = (checked_str == "true");
+
+  chromeos::accessibility::EnableAccessibility(accessibility_enabled, NULL);
+}
+
+void SystemOptionsHandler::DecreaseScreenBrightnessCallback(
+    const ListValue* args) {
+  // Do not allow the options button to turn off the backlight, as that
+  // can make it very difficult to see the increase brightness button.
+  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
+      DecreaseScreenBrightness(false);
+}
+
+void SystemOptionsHandler::IncreaseScreenBrightnessCallback(
+    const ListValue* args) {
+  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
+      IncreaseScreenBrightness();
+}