touchui: Some cleanup for managing keyboard visibility.

chrome/browser/ui/touch/frame/touch_browser_frame_view.cc

 // 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.
 
 #include "chrome/browser/ui/touch/frame/touch_browser_frame_view.h"
 
 #include "chrome/browser/ui/touch/keyboard/keyboard_manager.h"
-#include "ui/base/ime/text_input_type.h"
 #include "views/controls/button/image_button.h"
-#include "views/controls/textfield/textfield.h"
-#include "views/focus/focus_manager.h"
-#include "views/ime/text_input_client.h"
 
 // static
 const char TouchBrowserFrameView::kViewClassName[] =
     "browser/ui/touch/frame/TouchBrowserFrameView";
 
 ///////////////////////////////////////////////////////////////////////////////
 // TouchBrowserFrameView, public:
 
 TouchBrowserFrameView::TouchBrowserFrameView(BrowserFrame* frame,
                                              BrowserView* browser_view)
-    : OpaqueBrowserFrameView(frame, browser_view),
-      focus_listener_added_(false) {
+    : OpaqueBrowserFrameView(frame, browser_view) {
   // Make sure the singleton KeyboardManager object is initialized.
   KeyboardManager::GetInstance();
 }
 
 TouchBrowserFrameView::~TouchBrowserFrameView() {
 }
 
-///////////////////////////////////////////////////////////////////////////////
-// TouchBrowserFrameView, private:
-
-void TouchBrowserFrameView::FocusWillChange(views::View* focused_before,
-                                            views::View* focused_now) {
-  views::Widget* widget = focused_now ? focused_now->GetWidget() : NULL;
-  if (!widget || !widget->IsActive())
-    return;
-
-  views::TextInputClient* input =
-      focused_now ? focused_now->GetTextInputClient() : NULL;
-  // Show the keyboard if the focused view supports text-input.
-  KeyboardManager* keyboard = KeyboardManager::GetInstance();
-  if (input && input->GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE)
-    keyboard->ShowKeyboardForWidget(focused_now->GetWidget());
-  else
-    keyboard->Hide();
-}
-
 std::string TouchBrowserFrameView::GetClassName() const {
   return kViewClassName;
 }
 
-void TouchBrowserFrameView::ViewHierarchyChanged(bool is_add,
-                                                 View* parent,
-                                                 View* child) {
-  OpaqueBrowserFrameView::ViewHierarchyChanged(is_add, parent, child);
-  if (!GetFocusManager())
-    return;
-
-  if (is_add && !focus_listener_added_) {
-    // Add focus listener when this view is added to the hierarchy.
-    GetFocusManager()->AddFocusChangeListener(this);
-    focus_listener_added_ = true;
-  } else if (!is_add && focus_listener_added_) {
-    // Remove focus listener when this view is removed from the hierarchy.
-    GetFocusManager()->RemoveFocusChangeListener(this);
-    focus_listener_added_ = false;
-  }
-}
-
 bool TouchBrowserFrameView::HitTest(const gfx::Point& point) const {
   if (OpaqueBrowserFrameView::HitTest(point))
     return true;
 
   if (close_button()->IsVisible() &&
       close_button()->GetMirroredBounds().Contains(point))
     return true;
   if (restore_button()->IsVisible() &&
       restore_button()->GetMirroredBounds().Contains(point))
     return true;
   if (maximize_button()->IsVisible() &&
       maximize_button()->GetMirroredBounds().Contains(point))
     return true;
   if (minimize_button()->IsVisible() &&
       minimize_button()->GetMirroredBounds().Contains(point))
     return true;
 
   return false;
 }