1// Copyright 2014 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_NOTIFICATIONS_NOTIFICATION_CONVERSION_HELPER_H_
6#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_CONVERSION_HELPER_H_
7
8#include "chrome/browser/notifications/notification.h"
9#include "ui/message_center/notification_types.h"
10
11namespace extensions {
12namespace api {
13namespace notifications {
14struct NotificationOptions;
15struct NotificationBitmap;
16}  // namespace notifications
17}  // namespace api
18}  // namespace extensions
19
20namespace gfx {
21class Image;
22}
23
24// This class provides some static helper functions that could be used to
25// convert between different types of notification data.
26class NotificationConversionHelper {
27 public:
28  // Converts Notification::Notification data to
29  // extensions::api::notifications::NotificationOptions.
30  static void NotificationToNotificationOptions(
31      const Notification& notification,
32      extensions::api::notifications::NotificationOptions* options);
33
34  // Converts gfx::Image (in ARGB format) type to
35  // extensions::api::notifications::NotificationBitmap type (RGBA).
36  static void GfxImageToNotificationBitmap(
37      const gfx::Image* gfx_image,
38      extensions::api::notifications::NotificationBitmap* return_image_args);
39
40  // Converts an extensions::api::notifications::NotificationBitmap type object
41  // with width, height, and data in RGBA format into an gfx::Image (ARGB).
42  static bool NotificationBitmapToGfxImage(
43      float max_scale,
44      const gfx::Size& target_size_dips,
45      extensions::api::notifications::NotificationBitmap* notification_bitmap,
46      gfx::Image* return_image);
47
48 private:
49  // Conversts message_center::NotificationType to string type used to convert
50  // to extensions::api::notifications::TemplateType
51  static std::string MapTypeToString(message_center::NotificationType type);
52};
53
54#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_CONVERSION_HELPER_H_
55