Make views::Label and views::Link auto-color themselves to be readable over their background colo...

chrome/browser/ui/views/first_run_search_engine_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_VIEWS_FIRST_RUN_SEARCH_ENGINE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FIRST_RUN_SEARCH_ENGINE_VIEW_H_
 #pragma once
 
 #include <vector>
 
 #include "chrome/browser/search_engines/template_url_service_observer.h"
 #include "ui/gfx/size.h"
 #include "views/controls/button/text_button.h"
 #include "views/view.h"
 #include "views/widget/widget_delegate.h"
 
 class Profile;
 class TemplateURL;
 class TemplateURLService;
+class ThemeService;
 
 namespace views {
 class ImageView;
 class Label;
 }
 
 // This class holds the logo and TemplateURL for a search engine and serves
 // as its button in the search engine selection view.
 class SearchEngineChoice : public views::NativeTextButton {
  public:
@@ skipping 57 matching lines @@
   virtual string16 GetWindowTitle() const OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE { return this; }
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const views::Event& event) OVERRIDE;
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    View* parent,
+                                    View* child) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
 
   // Override from views::View so we can draw the gray background at dialog top.
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
   // Overridden from TemplateURLServiceObserver. When the search engines have
   // loaded from the profile, we can populate the logos in the dialog box
   // to present to the user.
   virtual void OnTemplateURLServiceChanged() OVERRIDE;
 
  private:
-  // Initializes the labels and controls in the view.
-  void SetupControls();
-
-  // Owned by the profile_.
-  TemplateURLService* search_engines_model_;
+  // Once the TemplateURLService has loaded and we're in a View hierarchy, it's
+  // OK to add the search engines from the TemplateURLService.
+  void AddSearchEnginesIfPossible();
 
   // One for each search engine choice offered, either three or four.
   std::vector<SearchEngineChoice*> search_engine_choices_;
 
   // If logos are to be displayed in random order. Used for UX testing.
   bool randomize_;
 
-  // The profile associated with this import process.
-  Profile* profile_;
+  // Services associated with the current profile.
+  TemplateURLService* template_url_service_;
+  ThemeService* theme_service_;
 
   bool text_direction_is_rtl_;
 
+  bool template_url_service_loaded_;
+  bool added_to_view_hierarchy_;
+
   // Image of browser search box with grey background and bubble arrow.
   views::ImageView* background_image_;
 
   // UI elements:
   views::Label* title_label_;
   views::Label* text_label_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunSearchEngineView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FIRST_RUN_SEARCH_ENGINE_VIEW_H_