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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_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
      7 
      8 #include <string>
      9 
     10 class SkBitmap;
     11 
     12 namespace gfx {
     13 class ImageSkia;
     14 }
     15 
     16 namespace chromeos {
     17 
     18 // Interface for dependency injection between UserImageScreen and its actual
     19 // representation, either views based or WebUI.
     20 class UserImageScreenActor {
     21  public:
     22   class Delegate {
     23    public:
     24     virtual ~Delegate() {}
     25 
     26     // Called when user accepts photo as login user image.
     27     virtual void OnPhotoTaken(const std::string& raw_data) = 0;
     28     // Called to check camera presence.
     29     virtual void CheckCameraPresence() = 0;
     30     // Called when user selects some image
     31     virtual void OnImageSelected(const std::string& image_url,
     32                                  const std::string& image_type) = 0;
     33     // Called when user accepts currently selected image
     34     virtual void OnImageAccepted() = 0;
     35 
     36     // Called when actor is destroyed so there's no dead reference to it.
     37     virtual void OnActorDestroyed(UserImageScreenActor* actor) = 0;
     38 
     39     virtual bool profile_picture_absent() = 0;
     40     virtual int selected_image() = 0;
     41     virtual std::string profile_picture_data_url() = 0;
     42 
     43   };
     44 
     45   virtual ~UserImageScreenActor() {}
     46 
     47   // Sets screen this actor belongs to.
     48   virtual void SetDelegate(Delegate* screen) = 0;
     49 
     50   // Prepare the contents to showing.
     51   virtual void PrepareToShow() = 0;
     52 
     53   // Shows the contents of the screen.
     54   virtual void Show() = 0;
     55 
     56   // Hides the contents of the screen.
     57   virtual void Hide() = 0;
     58 
     59   // Selects image with the index specified.
     60   virtual void SelectImage(int index) = 0;
     61 
     62   // Sends profile image as a data URL to the page.
     63   virtual void SendProfileImage(const std::string& data_url) = 0;
     64 
     65   // Indicates that there is no custom profile image for the user.
     66   virtual void OnProfileImageAbsent() = 0;
     67 
     68   // Enables or disables profile picture.
     69   virtual void SetProfilePictureEnabled(bool enabled) = 0;
     70 
     71   // Sends result of camera check
     72   virtual void SetCameraPresent(bool enabled) = 0;
     73 };
     74 
     75 }  // namespace chromeos
     76 
     77 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
     78