| // 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_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/settings/settings_page_ui_handler.h" |
| #include "components/user_manager/user_manager.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 ListValue; |
| } |
| |
| namespace user_manager { |
| class User; |
| } |
| |
| namespace chromeos { |
| |
| namespace settings { |
| |
| // ChromeOS user image settings page UI handler. |
| class ChangePictureHandler : public ::settings::SettingsPageUIHandler, |
| public ui::SelectFileDialog::Listener, |
| public user_manager::UserManager::Observer, |
| public ImageDecoder::ImageRequest, |
| public CameraPresenceNotifier::Observer { |
| public: |
| ChangePictureHandler(); |
| ~ChangePictureHandler() override; |
| |
| // WebUIMessageHandler implementation. |
| void RegisterMessages() override; |
| void OnJavascriptAllowed() override; |
| void OnJavascriptDisallowed() override; |
| |
| // CameraPresenceNotifier::Observer implementation: |
| void OnCameraPresenceCheckDone(bool is_camera_present) 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 gfx::ImageSkia& 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(); |
| |
| // Sends the previous user image to the page. Also sends |image_index| which |
| // is either the index of the previous user image (if it was from an older |
| // default image set) or -1 otherwise. This allows the WebUI to show credits |
| // for older default images. |
| void SendOldImage(const std::string& image_url, int image_index); |
| |
| // 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); |
| |
| // Handles photo taken with WebRTC UI. |
| void HandlePhotoTaken(const base::ListValue* args); |
| |
| // 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); |
| |
| // Selects one of the available images as user's. |
| void HandleSelectImage(const base::ListValue* args); |
| |
| // Requests the currently selected image. |
| void HandleRequestSelectedImage(const base::ListValue* args); |
| |
| // SelectFileDialog::Delegate implementation. |
| void FileSelected(const base::FilePath& path, |
| int index, |
| void* params) override; |
| |
| // user_manager::UserManager::Observer implementation. |
| void OnUserImageChanged(const user_manager::User& user) override; |
| void OnUserProfileImageUpdated(const user_manager::User& user, |
| const gfx::ImageSkia& profile_image) override; |
| |
| // Sets user image to photo taken from camera. |
| void SetImageFromCamera(const gfx::ImageSkia& photo, |
| base::RefCountedBytes* image_bytes); |
| |
| // Returns handle to browser window or NULL if it can't be found. |
| gfx::NativeWindow GetBrowserWindow() const; |
| |
| // Overriden from ImageDecoder::ImageRequest: |
| void OnImageDecoded(const SkBitmap& decoded_image) override; |
| void OnDecodeImageFailed() override; |
| |
| // Returns user related to current WebUI. If this user doesn't exist, |
| // returns active user. |
| const user_manager::User* GetUser() const; |
| |
| scoped_refptr<ui::SelectFileDialog> select_file_dialog_; |
| |
| // Previous user image from camera/file and its data URL. |
| gfx::ImageSkia previous_image_; |
| scoped_refptr<base::RefCountedBytes> previous_image_bytes_; |
| user_manager::UserImage::ImageFormat previous_image_format_ = |
| user_manager::UserImage::FORMAT_UNKNOWN; |
| |
| // Index of the previous user image. |
| int previous_image_index_; |
| |
| // Last user photo, if taken. |
| gfx::ImageSkia user_photo_; |
| |
| // Data for |user_photo_|. |
| scoped_refptr<base::RefCountedBytes> user_photo_data_; |
| |
| ScopedObserver<user_manager::UserManager, ChangePictureHandler> |
| user_manager_observer_; |
| ScopedObserver<CameraPresenceNotifier, ChangePictureHandler> camera_observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChangePictureHandler); |
| }; |
| |
| } // namespace settings |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_CHANGE_PICTURE_HANDLER_H_ |