A keyboard widget that manages itself (the animation and all that).

chrome/browser/chromeos/login/touch_login_view.h

-// Copyright (c) 2011 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_TOUCH_LOGIN_VIEW_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_TOUCH_LOGIN_VIEW_H_
-#pragma once
-
-#include "chrome/browser/chromeos/login/webui_login_view.h"
-#include "content/common/notification_observer.h"
-#include "content/common/notification_registrar.h"
-#include "ui/base/animation/animation_delegate.h"
-#include "views/focus/focus_manager.h"
-
-class KeyboardContainerView;
-class NotificationDetails;
-class NotificationSource;
-
-namespace ui {
-class SlideAnimation;
-}
-
-namespace chromeos {
-
-// Subclass of the WebUILoginView. This view adds in support for a virtual
-// keyboard, which appears and disappears depending if text areas have
-// focus. This is only build in TOUCH_UI enabled builds.
-class TouchLoginView : public WebUILoginView,
-                       public views::FocusChangeListener,
-                       public NotificationObserver,
-                       public ui::AnimationDelegate {
- public:
-  enum VirtualKeyboardType {
-    NONE,
-    GENERIC,
-    URL,
-  };
-
-  TouchLoginView();
-  virtual ~TouchLoginView();
-
-  // Overriden from WebUILoginView:
-  virtual void Init() OVERRIDE;
-
-  // Overriden from views::Views:
-  virtual std::string GetClassName() const OVERRIDE;
-
-  // Overridden from views::FocusChangeListener:
-  virtual void FocusWillChange(views::View* focused_before,
-                               views::View* focused_now) OVERRIDE;
-
-  // Overridden from chromeos::WebUILoginView:
-  virtual void OnWindowCreated() OVERRIDE;
-
- protected:
-  // Overridden from views::View:
-  virtual void Layout() OVERRIDE;
-
-  // Overridden from chromeos::WebUILoginView:
-  virtual void InitStatusArea() OVERRIDE;
-
- private:
-  void InitVirtualKeyboard();
-  void UpdateKeyboardAndLayout(bool should_show_keyboard);
-  VirtualKeyboardType DecideKeyboardStateForView(views::View* view);
-
-  // Overridden from NotificationObserver.
-  virtual void Observe(int type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) OVERRIDE;
-
-  // Overridden from ui::AnimationDelegate:
-  virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
-  virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
-
-  bool keyboard_showing_;
-  int keyboard_height_;
-  bool focus_listener_added_;
-  KeyboardContainerView* keyboard_;
-  NotificationRegistrar registrar_;
-
-  scoped_ptr<ui::SlideAnimation> animation_;
-
-  DISALLOW_COPY_AND_ASSIGN(TouchLoginView);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_TOUCH_LOGIN_VIEW_H_