Only show virtual keyboard on primary root window

ash/root_window_controller.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/root_window_controller.h"
 
 #include <queue>
 #include <vector>
 
 #include "ash/ash_constants.h"
@@ skipping 313 matching lines @@
 const aura::Window* RootWindowController::GetContainer(int container_id) const {
   return root_window_->GetChildById(container_id);
 }
 
 void RootWindowController::Init(bool first_run_after_boot) {
   root_window_->SetCursor(ui::kCursorPointer);
   CreateContainersInRootWindow(root_window_.get());
   CreateSystemBackground(first_run_after_boot);
 
   InitLayoutManagers();
-  InitKeyboard();
   InitTouchHuds();
 
   if (Shell::GetPrimaryRootWindowController()->
       GetSystemModalLayoutManager(NULL)->has_modal_background()) {
     GetSystemModalLayoutManager(NULL)->CreateModalBackground();
   }
 
   Shell::GetInstance()->AddShellObserver(this);
 }
 
@@ skipping 55 matching lines @@
     // before move it to |kDesktopController|.
     DCHECK_EQ(controller->widget(), widget);
     // Release the old controller and close its background widget.
     SetWallpaperController(controller);
   }
 }
 
 void RootWindowController::CloseChildWindows() {
   mouse_event_target_.reset();
 
+  // Deactivate keyboard container before closing child windows and shutting
+  // down associated layout managers.
+  DeactivateKeyboard(Shell::GetInstance()->keyboard_controller());
+
   if (!shelf_.get())
     return;
   // panel_layout_manager_ needs to be shut down before windows are destroyed.
   if (panel_layout_manager_) {
     panel_layout_manager_->Shutdown();
     panel_layout_manager_ = NULL;
   }
   // docked_layout_manager_ needs to be shut down before windows are destroyed.
   if (docked_layout_manager_) {
     if (shelf_->shelf_layout_manager())
@@ skipping 101 matching lines @@
   const aura::Window::Windows& windows =
       GetContainer(kShellWindowId_DefaultContainer)->children();
   for (aura::Window::Windows::const_reverse_iterator iter = windows.rbegin();
        iter != windows.rend(); ++iter) {
     if (wm::GetWindowState(*iter)->IsFullscreen())
       return *iter;
   }
   return NULL;
 }
 
-void RootWindowController::InitKeyboard() {
-  if (keyboard::IsKeyboardEnabled()) {
-    aura::Window* parent = root_window();
+void RootWindowController::ActivateKeyboard(
+    keyboard::KeyboardController* keyboard_controller) {
+  if (!keyboard::IsKeyboardEnabled() ||
+      GetContainer(kShellWindowId_VirtualKeyboardContainer)) {
+    return;
+  }
+  DCHECK(keyboard_controller);
+  keyboard_controller->AddObserver(shelf()->shelf_layout_manager());
+  keyboard_controller->AddObserver(panel_layout_manager_);
+  keyboard_controller->AddObserver(docked_layout_manager_);
+  aura::Window* parent = root_window();
+  aura::Window* keyboard_container =
+      keyboard_controller->GetContainerWindow();
+  keyboard_container->set_id(kShellWindowId_VirtualKeyboardContainer);
+  parent->AddChild(keyboard_container);
+  // TODO(oshima): Bounds of keyboard container should be handled by
+  // RootWindowLayoutManager. Remove this after fixed RootWindowLayoutManager.
+  keyboard_container->SetBounds(parent->bounds());
+}
 
-    keyboard::KeyboardControllerProxy* proxy =
-        Shell::GetInstance()->delegate()->CreateKeyboardControllerProxy();
-    keyboard_controller_.reset(
-        new keyboard::KeyboardController(proxy));
+void RootWindowController::DeactivateKeyboard(
+    keyboard::KeyboardController* keyboard_controller) {
+  if (!keyboard::IsKeyboardEnabled())
+    return;
 
-    keyboard_controller_->AddObserver(shelf()->shelf_layout_manager());
-    keyboard_controller_->AddObserver(panel_layout_manager_);
-    keyboard_controller_->AddObserver(docked_layout_manager_);
-
-    // Deletes the old container since |keyboard_controller_| creates a
-    // new container window in GetContainerWindow().
-    delete GetContainer(kShellWindowId_VirtualKeyboardContainer);
-
-    aura::Window* keyboard_container =
-        keyboard_controller_->GetContainerWindow();
-    keyboard_container->set_id(kShellWindowId_VirtualKeyboardContainer);
-    parent->AddChild(keyboard_container);
-    keyboard_container->SetBounds(parent->bounds());
+  DCHECK(keyboard_controller);
+  aura::Window* keyboard_container =
+      keyboard_controller->GetContainerWindow();
+  if (keyboard_container->GetRootWindow() == root_window()) {
+    root_window()->RemoveChild(keyboard_container);
+    keyboard_controller->RemoveObserver(shelf()->shelf_layout_manager());
+    keyboard_controller->RemoveObserver(panel_layout_manager_);
+    keyboard_controller->RemoveObserver(docked_layout_manager_);
   }
 }
 
 
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindowController, private:
 
 void RootWindowController::InitLayoutManagers() {
   root_window_layout_ =
       new RootWindowLayoutManager(root_window_.get());
@@ skipping 257 matching lines @@
   set_touch_hud_projection(new TouchHudProjection(root_window_.get()));
 }
 
 void RootWindowController::DisableTouchHudProjection() {
   if (!touch_hud_projection_)
     return;
   touch_hud_projection_->Remove();
 }
 
 void RootWindowController::OnLoginStateChanged(user::LoginStatus status) {
-  if (status != user::LOGGED_IN_NONE)
-    InitKeyboard();
   shelf_->shelf_layout_manager()->UpdateVisibilityState();
 }
 
 void RootWindowController::OnTouchHudProjectionToggled(bool enabled) {
   if (enabled)
     EnableTouchHudProjection();
   else
     DisableTouchHudProjection();
 }
 
 RootWindowController* GetRootWindowController(
     const aura::RootWindow* root_window) {
   return root_window ? GetRootWindowSettings(root_window)->controller : NULL;
 }
 
 }  // namespace internal
 }  // namespace ash