Polish UI of bookmark app creation.

chrome/browser/ui/views/extensions/bookmark_app_bubble_view.h

 // Copyright 2014 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_VIEWS_EXTENSIONS_BOOKMARK_APP_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_BOOKMARK_APP_BUBBLE_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/web_application_info.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/button.h"
+#include "ui/views/controls/textfield/textfield_controller.h"
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace views {
 class Checkbox;
 class ImageView;
 class LabelButton;
 class Textfield;
 }
 
 // BookmarkAppBubbleView is a view intended to be used as the content of a
 // Bubble. BookmarkAppBubbleView provides views for editing the details to
 // create a bookmark app with. Don't create a BookmarkAppBubbleView directly,
 // instead use the static ShowBubble method.
 class BookmarkAppBubbleView : public views::BubbleDelegateView,
-                              public views::ButtonListener {
+                              public views::ButtonListener,
+                              public views::TextfieldController {
  public:
   ~BookmarkAppBubbleView() override;
 
   static void ShowBubble(
       views::View* anchor_view,
       const WebApplicationInfo& web_app_info,
       const BrowserWindow::ShowBookmarkAppBubbleCallback& callback);
 
  private:
   // Creates a BookmarkAppBubbleView.
@@ skipping 10 matching lines @@
   void WindowClosing() override;
 
   // Overridden from views::View:
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   gfx::Size GetMinimumSize() const override;
 
   // Overridden from views::ButtonListener:
   // Closes the bubble or opens the edit dialog.
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
+  // Overridden from views::TextfieldController:
+  void ContentsChanged(views::Textfield* sender,
+                       const base::string16& new_contents) override;
+
   // Handle the message when the user presses a button.
   void HandleButtonPressed(views::Button* sender);
 
+  // Update the state of the Add button.
+  void UpdateAddButtonState();
+
+  // Get the trimmed contents of the title text field.
+  base::string16 GetTrimmedTitle();
+
   // The WebApplicationInfo that the user is editing.
   WebApplicationInfo web_app_info_;
 
   // Whether the user has accepted the dialog.
   bool user_accepted_;
 
   // The callback to be invoked when the dialog is completed.
   BrowserWindow::ShowBookmarkAppBubbleCallback callback_;
 
   // Button for removing the bookmark.
   views::LabelButton* add_button_;
 
   // Button to close the window.
   views::LabelButton* cancel_button_;
 
   // Checkbox to launch as a window.
   views::Checkbox* open_as_window_checkbox_;
 
   // Textfield showing the title of the app.
   views::Textfield* title_tf_;
 
   // Image showing the icon of the app.
   views::ImageView* icon_image_view_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkAppBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_BOOKMARK_APP_BUBBLE_VIEW_H_