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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 UI ready to be shown.
     27     virtual void OnScreenReady() = 0;
     28     // Called when user accepts photo as login user image.
     29     virtual void OnPhotoTaken(const std::string& raw_data) = 0;
     30 
     31     // Called when some image was selected. |is_user_selection| indicates if
     32     // it was user selection or image was selected programmatically.
     33     virtual void OnImageSelected(const std::string& image_url,
     34                                  const std::string& image_type,
     35                                  bool is_user_selection) = 0;
     36     // Called when user accepts currently selected image
     37     virtual void OnImageAccepted() = 0;
     38 
     39     // Called when actor is destroyed so there's no dead reference to it.
     40     virtual void OnActorDestroyed(UserImageScreenActor* actor) = 0;
     41 
     42     virtual bool profile_picture_absent() = 0;
     43     virtual int selected_image() = 0;
     44     virtual std::string profile_picture_data_url() = 0;
     45 
     46   };
     47 
     48   virtual ~UserImageScreenActor() {}
     49 
     50   // Sets screen this actor belongs to.
     51   virtual void SetDelegate(Delegate* screen) = 0;
     52 
     53   // Prepare the contents to showing.
     54   virtual void PrepareToShow() = 0;
     55 
     56   // Shows the contents of the screen.
     57   virtual void Show() = 0;
     58 
     59   // Hides the contents of the screen.
     60   virtual void Hide() = 0;
     61 
     62   // Selects image with the index specified.
     63   virtual void SelectImage(int index) = 0;
     64 
     65   // Sends profile image as a data URL to the page.
     66   virtual void SendProfileImage(const std::string& data_url) = 0;
     67 
     68   // Indicates that there is no custom profile image for the user.
     69   virtual void OnProfileImageAbsent() = 0;
     70 
     71   // Sends result of camera check
     72   virtual void SetCameraPresent(bool enabled) = 0;
     73 
     74   // Hides curtain with spinner.
     75   virtual void HideCurtain() = 0;
     76 };
     77 
     78 }  // namespace chromeos
     79 
     80 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
     81