Settings People Revamp: Implement parts of ChromeOS Change Picture

chrome/browser/ui/webui/settings/chromeos/change_picture_handler.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2015 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_WEBUI_OPTIONS_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_CHANGE_PICTURE_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_CHANGE_PICTURE_HANDLER_H_
 
 #include "base/macros.h"
+#include "base/scoped_observer.h"
 #include "chrome/browser/chromeos/camera_presence_notifier.h"
 #include "chrome/browser/image_decoder.h"
-#include "chrome/browser/ui/webui/options/options_ui.h"
+#include "chrome/browser/ui/webui/settings/md_settings_ui.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 namespace user_manager {
 class User;
 }
 
 namespace chromeos {
 
-namespace options {
+namespace settings {
 
-// ChromeOS user image options page UI handler.
-class ChangePictureOptionsHandler : public ::options::OptionsPageUIHandler,
-                                    public ui::SelectFileDialog::Listener,
-                                    public content::NotificationObserver,
-                                    public ImageDecoder::ImageRequest,
-                                    public CameraPresenceNotifier::Observer {
+// ChromeOS user image settings page UI handler.
+class ChangePictureHandler : public ::settings::SettingsPageUIHandler,
+                             public ui::SelectFileDialog::Listener,
+                             public content::NotificationObserver,
+                             public ImageDecoder::ImageRequest,
+                             public CameraPresenceNotifier::Observer {
  public:
-  ChangePictureOptionsHandler();
-  ~ChangePictureOptionsHandler() override;
-
-  // OptionsPageUIHandler implementation.
-  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
+  ChangePictureHandler();
+  ~ChangePictureHandler() override;
 
   // WebUIMessageHandler implementation.
   void RegisterMessages() override;
 
   // CameraPresenceNotifier::Observer implementation:
   void OnCameraPresenceCheckDone(bool is_camera_present) override;
 
  private:
   // Sends list of available default images to the page.
   void SendDefaultImages();
@@ skipping 29 matching lines @@
 
   // Handles 'discard-photo' button click.
   void HandleDiscardPhoto(const base::ListValue* args);
 
   // Gets the list of available user images and sends it to the page.
   void HandleGetAvailableImages(const base::ListValue* args);
 
   // Handles page initialized event.
   void HandlePageInitialized(const base::ListValue* args);
 
-  // Handles page shown event.
-  void HandlePageShown(const base::ListValue* args);
-
-  // Handles page hidden event.
-  void HandlePageHidden(const base::ListValue* args);
-
   // Selects one of the available images as user's.
   void HandleSelectImage(const base::ListValue* args);
 
   // SelectFileDialog::Delegate implementation.
   void FileSelected(const base::FilePath& path,
                     int index,
                     void* params) override;
 
   // content::NotificationObserver implementation.
   void Observe(int type,
@@ skipping 24 matching lines @@
   int previous_image_index_;
 
   // Last user photo, if taken.
   gfx::ImageSkia user_photo_;
 
   // Data URL for |user_photo_|.
   std::string user_photo_data_url_;
 
   content::NotificationRegistrar registrar_;
 
-  DISALLOW_COPY_AND_ASSIGN(ChangePictureOptionsHandler);
+  ScopedObserver<CameraPresenceNotifier, ChangePictureHandler> camera_observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChangePictureHandler);
 };
 
-}  // namespace options
+}  // namespace settings
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_CHANGE_PICTURE_HANDLER_H_