Only show virtual keyboard on primary root window

ash/shell.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 "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/accelerator_controller.h"
@@ skipping 75 matching lines @@
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animator.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size.h"
 #include "ui/keyboard/keyboard.h"
+#include "ui/keyboard/keyboard_controller.h"
 #include "ui/keyboard/keyboard_util.h"
 #include "ui/message_center/message_center.h"
 #include "ui/views/corewm/compound_event_filter.h"
 #include "ui/views/corewm/corewm_switches.h"
 #include "ui/views/corewm/focus_controller.h"
 #include "ui/views/corewm/input_method_event_filter.h"
 #include "ui/views/corewm/shadow_controller.h"
 #include "ui/views/corewm/tooltip_controller.h"
 #include "ui/views/corewm/visibility_controller.h"
 #include "ui/views/corewm/window_modality_controller.h"
@@ skipping 445 matching lines @@
   system_tray_notifier_.reset(new ash::SystemTrayNotifier());
 
   // Initialize system_tray_delegate_ before initializing StatusAreaWidget.
   system_tray_delegate_.reset(delegate()->CreateSystemTrayDelegate());
   DCHECK(system_tray_delegate_.get());
 
   internal::RootWindowController* root_window_controller =
       new internal::RootWindowController(root_window);
   InitRootWindowController(root_window_controller,
                            delegate_->IsFirstRunAfterBoot());
+  InitKeyboard(root_window_controller);
 
   locale_notification_controller_.reset(
       new internal::LocaleNotificationController);
 
   // Initialize system_tray_delegate_ after StatusAreaWidget is created.
   system_tray_delegate_->Initialize();
 
   display_controller_->InitSecondaryDisplays();
 
   // Force Layout
@@ skipping 107 matching lines @@
                                      const gfx::Insets& insets) {
   if (!display_controller_->UpdateWorkAreaOfDisplayNearestWindow(
           contains, insets)) {
     return;
   }
   FOR_EACH_OBSERVER(ShellObserver, observers_,
                     OnDisplayWorkAreaInsetsChanged());
 }
 
 void Shell::OnLoginStateChanged(user::LoginStatus status) {
+  if (status != user::LOGGED_IN_NONE) {
+    // TODO(bshe): Primary root window controller may not be the controller to
+    // attach virtual keyboard. See http://crbug.com/303429
+    InitKeyboard(GetPrimaryRootWindowController());
+  }
   FOR_EACH_OBSERVER(ShellObserver, observers_, OnLoginStateChanged(status));
 }
 
 void Shell::UpdateAfterLoginStatusChange(user::LoginStatus status) {
   RootWindowControllerList controllers = GetAllRootWindowControllers();
   for (RootWindowControllerList::iterator iter = controllers.begin();
        iter != controllers.end(); ++iter)
     (*iter)->UpdateAfterLoginStatusChange(status);
 }
 
@@ skipping 163 matching lines @@
   // Create a launcher if a user is already logged.
   if (Shell::GetInstance()->session_state_delegate()->NumberOfLoggedInUsers())
     controller->shelf()->CreateLauncher();
 }
 
 void Shell::DoInitialWorkspaceAnimation() {
   return GetPrimaryRootWindowController()->workspace_controller()->
       DoInitialAnimation();
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// Shell, private:
+
+void Shell::InitKeyboard(internal::RootWindowController* root) {
+  if (keyboard::IsKeyboardEnabled()) {
+    keyboard::KeyboardControllerProxy* proxy =
+        delegate_->CreateKeyboardControllerProxy();
+    keyboard_controller_.reset(
+        new keyboard::KeyboardController(proxy));
+    std::vector<aura::Window*> containers = GetContainersFromAllRootWindows(
+        internal::kShellWindowId_VirtualKeyboardContainer, NULL);
+    // Removes old keyboard container if any.
+    if (!containers.empty()) {
+      CHECK_EQ(1U, containers.size());
+      delete containers[0];
+    }
+    root->EnableKeyboard(keyboard_controller_.get());
+  }
+}
+
 void Shell::InitRootWindowController(
     internal::RootWindowController* controller,
     bool first_run_after_boot) {
 
   aura::RootWindow* root_window = controller->root_window();
   DCHECK(activation_client_);
   DCHECK(visibility_controller_.get());
   DCHECK(drag_drop_controller_.get());
   DCHECK(window_cycle_controller_.get());
 
@@ skipping 14 matching lines @@
   if (nested_dispatcher_controller_) {
     aura::client::SetDispatcherClient(root_window,
                                       nested_dispatcher_controller_.get());
   }
   if (user_action_client_)
     aura::client::SetUserActionClient(root_window, user_action_client_.get());
 
   controller->Init(first_run_after_boot);
 }
 
-////////////////////////////////////////////////////////////////////////////////
-// Shell, private:
-
 bool Shell::CanWindowReceiveEvents(aura::Window* window) {
   RootWindowControllerList controllers = GetAllRootWindowControllers();
   for (RootWindowControllerList::iterator iter = controllers.begin();
        iter != controllers.end(); ++iter) {
     internal::SystemModalContainerLayoutManager* layout_manager =
         (*iter)->GetSystemModalLayoutManager(window);
     if (layout_manager && layout_manager->CanWindowReceiveEvents(window))
       return true;
   }
   return false;
@@ skipping 16 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // Shell, aura::client::ActivationChangeObserver implementation:
 
 void Shell::OnWindowActivated(aura::Window* gained_active,
                               aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash