chrome/browser/notifications/notification_conversion_helper.h

   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
  11 namespace extensions {
  12 namespace api {
  13 namespace notifications {
  14 struct NotificationOptions;
  15 struct NotificationBitmap;
  16 }  // namespace notifications
  17 }  // namespace api
  18 }  // namespace extensions
  19
  20 namespace gfx {
  21 class Image;
  22 }
  23
  24 // This class provides some static helper functions that could be used to
  25 // convert between different types of notification data.
  26 class 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_