Options2: Pull the trigger.

chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.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_WEBUI_OPTIONS2_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER_H_
+
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/options/take_photo_dialog.h"
+#include "chrome/browser/ui/select_file_dialog.h"
+#include "chrome/browser/ui/webui/options2/options_ui2.h"
+#include "content/public/browser/notification_registrar.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace base {
+class DictionaryValue;
+class ListValue;
+}
+
+namespace chromeos {
+
+// ChromeOS user image options page UI handler.
+class ChangePictureOptionsHandler : public OptionsPage2UIHandler,
+                                    public SelectFileDialog::Listener,
+                                    public TakePhotoDialog::Delegate {
+ public:
+  ChangePictureOptionsHandler();
+  virtual ~ChangePictureOptionsHandler();
+
+  // OptionsPage2UIHandler implementation.
+  virtual void GetLocalizedValues(
+      base::DictionaryValue* localized_strings) OVERRIDE;
+
+  // WebUIMessageHandler implementation.
+  virtual void RegisterMessages() OVERRIDE;
+
+ private:
+  // Sends list of available default images to the page.
+  void SendDefaultImages();
+
+  // Sends current selection to the page.
+  void SendSelectedImage();
+
+  // Sends the profile image to the page. If |should_select| is true then
+  // the profile image element is selected.
+  void SendProfileImage(const SkBitmap& image, bool should_select);
+
+  // Starts profile image update and shows the last downloaded profile image,
+  // if any, on the page. Shouldn't be called before |SendProfileImage|.
+  void UpdateProfileImage();
+
+  // Starts camera presence check.
+  void CheckCameraPresence();
+
+  // Updates UI with camera presence state.
+  void SetCameraPresent(bool present);
+
+  // Opens a file selection dialog to choose user image from file.
+  void HandleChooseFile(const base::ListValue* args);
+
+  // Opens the camera capture dialog.
+  void HandleTakePhoto(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);
+
+  // Selects one of the available images as user's.
+  void HandleSelectImage(const base::ListValue* args);
+
+  // SelectFileDialog::Delegate implementation.
+  virtual void FileSelected(
+      const FilePath& path,
+      int index, void* params) OVERRIDE;
+
+  // TakePhotoDialog::Delegate implementation.
+  virtual void OnPhotoAccepted(const SkBitmap& photo) OVERRIDE;
+
+  // content::NotificationObserver implementation.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  // Called when the camera presence check has been completed.
+  void OnCameraPresenceCheckDone();
+
+  // Returns handle to browser window or NULL if it can't be found.
+  gfx::NativeWindow GetBrowserWindow() const;
+
+  scoped_refptr<SelectFileDialog> select_file_dialog_;
+
+  // Previous user image from camera/file and its data URL.
+  SkBitmap previous_image_;
+  std::string previous_image_data_url_;
+
+  // Index of the previous user image.
+  int previous_image_index_;
+
+  content::NotificationRegistrar registrar_;
+
+  base::WeakPtrFactory<ChangePictureOptionsHandler> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChangePictureOptionsHandler);
+};
+
+} // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER_H_