ChromeOS: "Add New User" screen should enable all hardware keyboards.

chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.cc

 // Copyright 2013 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/chromeos/login/gaia_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
+#include "chrome/browser/chromeos/input_method/input_method_util.h"
+#include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/chromeos/login/ui/user_adding_screen.h"
 #include "chrome/browser/chromeos/policy/consumer_management_service.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
 #include "chrome/browser/ui/webui/signin/inline_login_ui.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/generated_resources.h"
 #include "chromeos/chromeos_switches.h"
+#include "chromeos/ime/input_method_manager.h"
 #include "chromeos/settings/cros_settings_names.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "google_apis/gaia/gaia_switches.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
@@ skipping 63 matching lines @@
 // The Task posted to PostTaskAndReply in StartClearingDnsCache on the IO
 // thread.
 void ClearDnsCache(IOThread* io_thread) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (browser_shutdown::IsTryingToQuit())
     return;
 
   io_thread->ClearHostCache();
 }
 
+void PushFrontIMIfNotExists(const std::string& input_method,
+                            std::vector<std::string>* input_methods) {
+  if (input_method.empty())
+    return;
+
+  if (std::find(input_methods->begin(), input_methods->end(), input_method) ==
+      input_methods->end())
+    input_methods->insert(input_methods->begin(), input_method);
+}
+
 }  // namespace
 
 GaiaContext::GaiaContext()
     : force_reload(false),
       is_local(false),
       password_changed(false),
       show_users(false),
       use_offline(false),
       has_users(false) {}
 
@@ skipping 432 matching lines @@
     // Gaia page will be realoded, so focus isn't stolen anymore.
     focus_stolen_ = false;
   }
 
   // Note that LoadAuthExtension clears |populated_email_|.
   if (populated_email_.empty())
     Delegate()->LoadSigninWallpaper();
   else
     Delegate()->LoadWallpaper(populated_email_);
 
+  input_method::InputMethodManager* imm =
+      input_method::InputMethodManager::Get();
+
+  scoped_refptr<input_method::InputMethodManager::State> gaia_ime_state =
+      imm->GetActiveIMEState()->Clone();
+  imm->SetState(gaia_ime_state);
+
   // Set Least Recently Used input method for the user.
-  if (!populated_email_.empty())
-    signin_screen_handler_->SetUserInputMethod(populated_email_);
+  if (!populated_email_.empty()) {
+    signin_screen_handler_->SetUserInputMethod(populated_email_,
+                                               gaia_ime_state.get());
+  } else {
+    std::vector<std::string> input_methods =
+        imm->GetInputMethodUtil()->GetHardwareLoginInputMethodIds();
+    const std::string owner_im = signin_screen_handler_->GetUserLRUInputMethod(
+        user_manager::UserManager::Get()->GetOwnerEmail());
+    const std::string system_im = g_browser_process->local_state()->GetString(
+        language_prefs::kPreferredKeyboardLayout);
+
+    PushFrontIMIfNotExists(owner_im, &input_methods);
+    PushFrontIMIfNotExists(system_im, &input_methods);
+
+    gaia_ime_state->EnableLoginLayouts(
+        g_browser_process->GetApplicationLocale(), input_methods);
+
+    if (!system_im.empty()) {
+      gaia_ime_state->ChangeInputMethod(system_im, false /* show_message */);
+    } else if (!owner_im.empty()) {
+      gaia_ime_state->ChangeInputMethod(owner_im, false /* show_message */);
+    }
+  }
 
   LoadAuthExtension(!gaia_silent_load_, false, false);
   signin_screen_handler_->UpdateUIState(
       SigninScreenHandler::UI_STATE_GAIA_SIGNIN, NULL);
 
   if (gaia_silent_load_) {
     // The variable is assigned to false because silently loaded Gaia page was
     // used.
     gaia_silent_load_ = false;
     if (focus_stolen_)
@@ skipping 52 matching lines @@
 
 SigninScreenHandlerDelegate* GaiaScreenHandler::Delegate() {
   DCHECK(signin_screen_handler_);
   return signin_screen_handler_->delegate_;
 }
 
 void GaiaScreenHandler::SetSigninScreenHandler(SigninScreenHandler* handler) {
   signin_screen_handler_ = handler;
 }
 }  // namespace chromeos