cros: Allow JS to control virtual keyboard on sign-in screen.

chrome/browser/chromeos/login/ui/login_display_host_impl.cc

 // Copyright 2014 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/ui/login_display_host_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/public/cpp/shell_window_ids.h"
@@ skipping 355 matching lines @@
       pointer_factory_(this),
       animation_weak_ptr_factory_(this) {
   if (ash_util::IsRunningInMash()) {
     // Animation, and initializing hidden, are not currently supported for Mash.
     finalize_animation_type_ = ANIMATION_NONE;
     initialize_webui_hidden_ = false;
   }
 
   DBusThreadManager::Get()->GetSessionManagerClient()->AddObserver(this);
   CrasAudioHandler::Get()->AddAudioObserver(this);
-  if (keyboard::KeyboardController::GetInstance()) {
-    keyboard::KeyboardController::GetInstance()->AddObserver(this);
-    is_observing_keyboard_ = true;
-  }
 
-  if (!ash_util::IsRunningInMash())
-    ash::Shell::Get()->AddShellObserver(this);
-  else
-    NOTIMPLEMENTED();
   display::Screen::GetScreen()->AddObserver(this);
 
   // We need to listen to CLOSE_ALL_BROWSERS_REQUEST but not APP_TERMINATING
   // because/ APP_TERMINATING will never be fired as long as this keeps
   // ref-count. CLOSE_ALL_BROWSERS_REQUEST is safe here because there will be no
   // browser instance that will block the shutdown.
   registrar_.Add(this,
                  chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
                  content::NotificationService::AllSources());
 
@@ skipping 90 matching lines @@
     scoped_drag_drop_disabler_.reset(new aura::client::ScopedDragDropDisabler(
         ash::Shell::GetPrimaryRootWindow()));
   } else {
     NOTIMPLEMENTED();
   }
 }
 
 LoginDisplayHostImpl::~LoginDisplayHostImpl() {
   DBusThreadManager::Get()->GetSessionManagerClient()->RemoveObserver(this);
   CrasAudioHandler::Get()->RemoveAudioObserver(this);
-  if (keyboard::KeyboardController::GetInstance() && is_observing_keyboard_) {
-    keyboard::KeyboardController::GetInstance()->RemoveObserver(this);
-    is_observing_keyboard_ = false;
-  }
-
-  if (!ash_util::IsRunningInMash())
-    ash::Shell::Get()->RemoveShellObserver(this);
-  else
-    NOTIMPLEMENTED();
   display::Screen::GetScreen()->RemoveObserver(this);
 
   if (login_view_ && login_window_)
     login_window_->RemoveRemovalsObserver(this);
 
   if (login_window_delegate_)
     login_window_delegate_->LoginDisplayHostDestroyed();
 
   chrome::MultiUserWindowManager* window_manager =
       chrome::MultiUserWindowManager::GetInstance();
@@ skipping 501 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // LoginDisplayHostImpl, chromeos::CrasAudioHandler::AudioObserver:
 
 void LoginDisplayHostImpl::OnActiveOutputNodeChanged() {
   TryToPlayStartupSound();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// LoginDisplayHostImpl, ash::ShellObserver:
-
-void LoginDisplayHostImpl::OnVirtualKeyboardStateChanged(
-    bool activated,
-    ash::WmWindow* root_window) {
-  if (keyboard::KeyboardController::GetInstance()) {
-    if (activated) {
-      if (!is_observing_keyboard_) {
-        keyboard::KeyboardController::GetInstance()->AddObserver(this);
-        is_observing_keyboard_ = true;
-      }
-    } else {
-      keyboard::KeyboardController::GetInstance()->RemoveObserver(this);
-      is_observing_keyboard_ = false;
-    }
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// LoginDisplayHostImpl, keyboard::KeyboardControllerObserver:
-
-void LoginDisplayHostImpl::OnKeyboardBoundsChanging(
-    const gfx::Rect& new_bounds) {
-  if (new_bounds.IsEmpty()) {
-    // Keyboard has been hidden.
-    if (GetOobeUI())
-      GetOobeUI()->GetCoreOobeView()->ShowControlBar(true);
-  } else if (!new_bounds.IsEmpty()) {
-    // Keyboard has been shown.
-    if (GetOobeUI())
-      GetOobeUI()->GetCoreOobeView()->ShowControlBar(false);
-  }
-}
-
-void LoginDisplayHostImpl::OnKeyboardClosed() {}
-
-////////////////////////////////////////////////////////////////////////////////
 // LoginDisplayHostImpl, display::DisplayObserver:
 
 void LoginDisplayHostImpl::OnDisplayAdded(const display::Display& new_display) {
 }
 
 void LoginDisplayHostImpl::OnDisplayRemoved(
     const display::Display& old_display) {}
 
 void LoginDisplayHostImpl::OnDisplayMetricsChanged(
     const display::Display& display,
@@ skipping 412 matching lines @@
   // Chrome locale. Otherwise it will be lost if Chrome restarts.
   // Don't need to schedule pref save because setting initial local
   // will enforce preference saving.
   prefs->SetString(prefs::kApplicationLocale, locale);
   StartupUtils::SetInitialLocale(locale);
 
   TriggerShowLoginWizardFinish(locale, std::move(data));
 }
 
 }  // namespace chromeos