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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_DEFAULT_IMAGES_VIEW_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_DEFAULT_IMAGES_VIEW_H_
      7 #pragma once
      8 
      9 #include "views/controls/button/button.h"
     10 #include "views/view.h"
     11 
     12 #include <vector>
     13 
     14 class SkBitmap;
     15 
     16 namespace chromeos {
     17 
     18 class UserImageButton;
     19 
     20 // View used for selecting user image on OOBE screen.
     21 class DefaultImagesView : public views::View,
     22                           public views::ButtonListener {
     23  public:
     24   class Delegate {
     25    public:
     26     virtual ~Delegate() {}
     27 
     28     // Called when user clicks on capture button.
     29     virtual void OnCaptureButtonClicked() = 0;
     30 
     31     // Called when user selects an image.
     32     virtual void OnImageSelected(int image_index) = 0;
     33   };
     34 
     35   explicit DefaultImagesView(Delegate* delegate);
     36 
     37   // Initializes this view, its children and layout.
     38   void Init();
     39 
     40   // Returns the index of the selected default image or -1 if there's no
     41   // selected image.
     42   int GetDefaultImageIndex() const;
     43 
     44   // Allows to specify the selected image index specifically.
     45   void SetDefaultImageIndex(int index);
     46 
     47   // Unselects the selected image if there's one.
     48   void ClearSelection();
     49 
     50   // Overridden from views::View:
     51   virtual gfx::Size GetPreferredSize();
     52 
     53   // Overridden from views::ButtonListener.
     54   virtual void ButtonPressed(views::Button* sender, const views::Event& event);
     55 
     56  private:
     57   // Resizes and sets image with specified resource id for the button.
     58   void InitButton(int resource_id, UserImageButton* button) const;
     59 
     60   // Initializes layout manager for this view.
     61   void InitLayout();
     62 
     63   // Vector of image buttons corresponding to default images and take photo
     64   // button.
     65   std::vector<UserImageButton*> default_images_;
     66 
     67   // Index of the currently selected image or -1.
     68   int selected_image_index_;
     69 
     70   Delegate* delegate_;
     71 
     72   DISALLOW_COPY_AND_ASSIGN(DefaultImagesView);
     73 };
     74 
     75 }  // namespace chromeos
     76 
     77 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_DEFAULT_IMAGES_VIEW_H_
     78 
     79 
     80