content/public/browser/platform_notification_context.h

   1 // Copyright 2015 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 CONTENT_PUBLIC_BROWSER_PLATFORM_NOTIFICATION_CONTEXT_H_
   6 #define CONTENT_PUBLIC_BROWSER_PLATFORM_NOTIFICATION_CONTEXT_H_
   7
   8 #include <stdint.h>
   9
  10 #include "base/callback.h"
  11
  12 class GURL;
  13
  14 namespace content {
  15
  16 struct NotificationDatabaseData;
  17
  18 // Represents the storage context for persistent Web Notifications, specific to
  19 // the storage partition owning the instance. All methods defined in this
  20 // interface may only be used on the IO thread.
  21 class PlatformNotificationContext {
  22  public:
  23   using ReadResultCallback =
  24       base::Callback<void(bool /* success */,
  25                           const NotificationDatabaseData&)>;
  26
  27   using WriteResultCallback =
  28       base::Callback<void(bool /* success */,
  29                           int64_t /* notification_id */)>;
  30
  31   using DeleteResultCallback = base::Callback<void(bool /* success */)>;
  32
  33   // Reads the data associated with |notification_id| belonging to |origin|
  34   // from the database. |callback| will be invoked with the success status
  35   // and a reference to the notification database data when completed.
  36   virtual void ReadNotificationData(int64_t notification_id,
  37                                     const GURL& origin,
  38                                     const ReadResultCallback& callback) = 0;
  39
  40   // Writes the data associated with a notification to a database. When this
  41   // action completed, |callback| will be invoked with the success status and
  42   // the persistent notification id when written successfully.
  43   virtual void WriteNotificationData(
  44       const GURL& origin,
  45       const NotificationDatabaseData& database_data,
  46       const WriteResultCallback& callback) = 0;
  47
  48   // Deletes all data associated with |notification_id| belonging to |origin|
  49   // from the database. |callback| will be invoked with the success status
  50   // when the operation has completed.
  51   virtual void DeleteNotificationData(int64_t notification_id,
  52                                       const GURL& origin,
  53                                       const DeleteResultCallback& callback) = 0;
  54
  55  protected:
  56   virtual ~PlatformNotificationContext() {}
  57 };
  58
  59 }  // namespace content
  60
  61 #endif  // CONTENT_PUBLIC_BROWSER_PLATFORM_NOTIFICATION_CONTEXT_H_