Single pod autofocus disabled for touch view mode. Delegate class created for ash interactions.

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

 // Copyright (c) 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/signin_screen_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 281 matching lines @@
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_AUTH_CANCELLED,
                  content::NotificationService::AllSources());
 
   chromeos::input_method::ImeKeyboard* keyboard =
       chromeos::input_method::InputMethodManager::Get()->GetImeKeyboard();
   if (keyboard)
     keyboard->AddObserver(this);
 
+  max_mode_delegate_.reset(new TouchViewControllerDelegate());
+  max_mode_delegate_->AddObserver(this);
+
   policy::ConsumerManagementService* consumer_management =
       g_browser_process->platform_part()->browser_policy_connector_chromeos()->
           GetConsumerManagementService();
   is_enrolling_consumer_management_ =
       consumer_management &&
       consumer_management->GetEnrollmentState() ==
           policy::ConsumerManagementService::ENROLLMENT_REQUESTED;
 }
 
 SigninScreenHandler::~SigninScreenHandler() {
   chromeos::input_method::ImeKeyboard* keyboard =
       chromeos::input_method::InputMethodManager::Get()->GetImeKeyboard();
   if (keyboard)
     keyboard->RemoveObserver(this);
   weak_factory_.InvalidateWeakPtrs();
   if (delegate_)
     delegate_->SetWebUIHandler(NULL);
   network_state_informer_->RemoveObserver(this);
+  max_mode_delegate_->RemoveObserver(this);
+  max_mode_delegate_.reset(NULL);
   ScreenlockBridge::Get()->SetLockHandler(NULL);
 }
 
 void SigninScreenHandler::DeclareLocalizedValues(
     LocalizedValuesBuilder* builder) {
   builder->Add("passwordHint", IDS_LOGIN_POD_EMPTY_PASSWORD_TEXT);
   builder->Add("podMenuButtonAccessibleName",
                IDS_LOGIN_POD_MENU_BUTTON_ACCESSIBLE_NAME);
   builder->Add("podMenuRemoveItemAccessibleName",
                IDS_LOGIN_POD_MENU_REMOVE_ITEM_ACCESSIBLE_NAME);
@@ skipping 434 matching lines @@
   AddCallback("updateOfflineLogin",
               &SigninScreenHandler::HandleUpdateOfflineLogin);
   AddCallback("focusPod", &SigninScreenHandler::HandleFocusPod);
   AddCallback("hardlockPod", &SigninScreenHandler::HandleHardlockPod);
   AddCallback("retrieveAuthenticatedUserEmail",
               &SigninScreenHandler::HandleRetrieveAuthenticatedUserEmail);
   AddCallback("getPublicSessionKeyboardLayouts",
               &SigninScreenHandler::HandleGetPublicSessionKeyboardLayouts);
   AddCallback("cancelConsumerManagementEnrollment",
               &SigninScreenHandler::HandleCancelConsumerManagementEnrollment);
+  AddCallback("getTouchViewState",
+              &SigninScreenHandler::HandleGetTouchViewState);
 
 
   // This message is sent by the kiosk app menu, but is handled here
   // so we can tell the delegate to launch the app.
   AddCallback("launchKioskApp", &SigninScreenHandler::HandleLaunchKioskApp);
 }
 
 void SigninScreenHandler::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(prefs::kUsersLRUInputMethod);
 }
@@ skipping 180 matching lines @@
 ScreenlockBridge::LockHandler::AuthType SigninScreenHandler::GetAuthType(
     const std::string& username) const {
   return delegate_->GetAuthType(username);
 }
 
 void SigninScreenHandler::Unlock(const std::string& user_email) {
   DCHECK(ScreenLocker::default_screen_locker());
   ScreenLocker::Hide();
 }
 
+void SigninScreenHandler::OnMaximizeModeStarted() {
+  CallJS("login.AccountPickerScreen.setTouchViewState", true);
+}
+
+void SigninScreenHandler::OnMaximizeModeEnded() {
+  CallJS("login.AccountPickerScreen.setTouchViewState", false);
+}
+
 bool SigninScreenHandler::ShouldLoadGaia() const {
   // Fetching of the extension is not started before account picker page is
   // loaded because it can affect the loading speed.
   // Do not load the extension for the screen locker, see crosbug.com/25018.
   return !ScreenLocker::default_screen_locker() &&
          is_account_picker_showing_first_time_;
 }
 
 // Update keyboard layout to least recently used by the user.
 void SigninScreenHandler::SetUserInputMethod(const std::string& username) {
@@ skipping 377 matching lines @@
   policy::ConsumerManagementService* consumer_management =
       g_browser_process->platform_part()->browser_policy_connector_chromeos()->
           GetConsumerManagementService();
   CHECK(consumer_management);
   consumer_management->SetEnrollmentState(
       policy::ConsumerManagementService::ENROLLMENT_CANCELED);
   is_enrolling_consumer_management_ = false;
   ShowImpl();
 }
 
+void SigninScreenHandler::HandleGetTouchViewState() {
+  CallJS("login.AccountPickerScreen.setTouchViewState",
+         max_mode_delegate_->IsMaximizeModeEnabled());
+}
+
 bool SigninScreenHandler::AllWhitelistedUsersPresent() {
   CrosSettings* cros_settings = CrosSettings::Get();
   bool allow_new_user = false;
   cros_settings->GetBoolean(kAccountsPrefAllowNewUser, &allow_new_user);
   if (allow_new_user)
     return false;
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
   const user_manager::UserList& users = user_manager->GetUsers();
   if (!delegate_ || users.size() > kMaxUsers) {
     return false;
@@ skipping 105 matching lines @@
   return gaia_screen_handler_->frame_error();
 }
 
 void SigninScreenHandler::OnCapsLockChanged(bool enabled) {
   caps_lock_enabled_ = enabled;
   if (page_is_ready())
     CallJS("login.AccountPickerScreen.setCapsLockState", caps_lock_enabled_);
 }
 
 }  // namespace chromeos