initial version of auto VK switching.

chrome/browser/ui/touch/frame/touch_browser_frame_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_UI_TOUCH_FRAME_TOUCH_BROWSER_FRAME_VIEW_H_
 #define CHROME_BROWSER_UI_TOUCH_FRAME_TOUCH_BROWSER_FRAME_VIEW_H_
 #pragma once
 
 #include "chrome/browser/tabs/tab_strip_model_observer.h"
 #include "chrome/browser/ui/views/frame/opaque_browser_frame_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"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/cros/input_method_library.h"
+#endif
+
 class BrowserFrame;
 class BrowserView;
 class KeyboardContainerView;
 class NotificationDetails;
 class NotificationSource;
 
 namespace ui {
 class SlideAnimation;
 }
 
-class TouchBrowserFrameView : public OpaqueBrowserFrameView,
-                              public views::FocusChangeListener,
-                              public TabStripModelObserver,
-                              public ui::AnimationDelegate {
+class TouchBrowserFrameView
+    : public OpaqueBrowserFrameView,
+      public views::FocusChangeListener,
+      public TabStripModelObserver,
+#if defined(OS_CHROMEOS)
+      public chromeos::InputMethodLibrary::VirtualKeyboardObserver,
+#endif
+      public ui::AnimationDelegate {
  public:
   enum VirtualKeyboardType {
     NONE,
     GENERIC,
     URL,
   };
 
   // Internal class name.
   static const char kViewClassName[];
 
   // Constructs a non-client view for an BrowserFrame.
   TouchBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
   virtual ~TouchBrowserFrameView();
 
   // Overriden from Views.
   virtual std::string GetClassName() const OVERRIDE;
 
   // Overridden from OpaqueBrowserFrameView
   virtual void Layout();
 
   // views::FocusChangeListener implementation
   virtual void FocusWillChange(views::View* focused_before,
                                views::View* focused_now);
 
+#if defined(OS_CHROMEOS)
+  // InputMethodLibrary::VirtualKeyboardObserver implementation.
+  virtual void VirtualKeyboardChanged(
+      chromeos::InputMethodLibrary* obj,
+      const chromeos::input_method::VirtualKeyboard& virtual_keyboard,
+      const std::string& virtual_keyboard_layout);
+#endif
+
  protected:
   // Overridden from OpaqueBrowserFrameView
   virtual int GetReservedHeight() const;
   virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
 
  private:
   virtual void InitVirtualKeyboard();
   virtual void UpdateKeyboardAndLayout(bool should_show_keyboard);
   virtual VirtualKeyboardType DecideKeyboardStateForView(views::View* view);
 
@@ skipping 19 matching lines @@
   bool focus_listener_added_;
   KeyboardContainerView* keyboard_;
   NotificationRegistrar registrar_;
 
   scoped_ptr<ui::SlideAnimation> animation_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchBrowserFrameView);
 };
 
 #endif  // CHROME_BROWSER_UI_TOUCH_FRAME_TOUCH_BROWSER_FRAME_VIEW_H_