Use text input type to control visibility of virtual keyboard

chrome/browser/ui/touch/keyboard/keyboard_manager.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_KEYBOARD_KEYBOARD_MANAGER_H_
 #define CHROME_BROWSER_UI_TOUCH_KEYBOARD_KEYBOARD_MANAGER_H_
 #pragma once
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
-#include "chrome/browser/tabs/tab_strip_model_observer.h"
-#include "chrome/browser/ui/browser_list.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 #include "content/common/notification_observer.h"
 #include "ui/base/animation/animation_delegate.h"
+#include "views/ime/text_input_type_tracker.h"
 #include "views/widget/widget.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #endif
 
 namespace IPC {
 class Message;
 }
 
 namespace ui {
 class InterpolatedTransform;
 class SlideAnimation;
 }
 
 namespace views {
 class KeyEvent;
 }
 
 class DOMView;
 class ExtensionHostMsg_Request_Params;
 
 // A singleton object to manage the virtual keyboard.
 class KeyboardManager
     : public views::Widget,
       public ui::AnimationDelegate,
-      public BrowserList::Observer,
       public TabContentsObserver,
-      public TabStripModelObserver,
       public ExtensionFunctionDispatcher::Delegate,
 #if defined(OS_CHROMEOS)
       public chromeos::input_method::InputMethodManager::VirtualKeyboardObserver,
 #endif
       public NotificationObserver,
-      public views::Widget::Observer {
+      public views::Widget::Observer,
+      public views::TextInputTypeObserver {
  public:
   // Returns the singleton object.
   static KeyboardManager* GetInstance();
 
   // Show the keyboard for the target widget. The events from the keyboard will
   // be sent to |widget|.
   // TODO(sad): Allow specifying the type of keyboard to show.
   void ShowKeyboardForWidget(views::Widget* widget);
 
   // Overridden from views::Widget
   void Hide() OVERRIDE;
 
  private:
   // Requirement for Singleton
   friend struct DefaultSingletonTraits<KeyboardManager>;
 
   KeyboardManager();
   virtual ~KeyboardManager();
 
   // Sets the target widget, adds/removes Widget::Observer, reparents etc.
   void SetTarget(Widget* target);
 
   // Overridden from views::Widget.
   virtual bool OnKeyEvent(const views::KeyEvent& event) OVERRIDE;
 
   // Overridden from ui::AnimationDelegate.
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
   virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
 
-  // Overridden from BrowserList::Observer.
-  virtual void OnBrowserAdded(const Browser* browser) OVERRIDE;
-  virtual void OnBrowserRemoved(const Browser* browser) OVERRIDE;
-
   // Overridden from TabContentsObserver.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 
-  // Overridden from TabStripModelObserver.
-  virtual void ActiveTabChanged(TabContentsWrapper* old_contents,
-                                TabContentsWrapper* new_contents,
-                                int index,
-                                bool user_gesture);
+  // Overridden from TextInputTypeObserver.
+  virtual void TextInputTypeChanged(ui::TextInputType type,
+                                    views::Widget *widget) OVERRIDE;
 
   // Overridden from ExtensionFunctionDispatcher::Delegate.
   virtual Browser* GetBrowser() OVERRIDE;
   virtual gfx::NativeView GetNativeViewOfHost() OVERRIDE;
   virtual TabContents* GetAssociatedTabContents() const OVERRIDE;
 
 #if defined(OS_CHROMEOS)
   // Overridden from input_method::InputMethodManager::VirtualKeyboardObserver.
   virtual void VirtualKeyboardChanged(
       chromeos::input_method::InputMethodManager* manager,
@@ skipping 27 matching lines @@
 
   // Height of the keyboard.
   int keyboard_height_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardManager);
 };
 
 #endif  // CHROME_BROWSER_UI_TOUCH_KEYBOARD_KEYBOARD_MANAGER_H_