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 #include "base/memory/ref_counted.h"
  12
  13 class GURL;
  14
  15 namespace content {
  16
  17 struct NotificationDatabaseData;
  18
  19 // Represents the storage context for persistent Web Notifications, specific to
  20 // the storage partition owning the instance. All methods defined in this
  21 // interface may only be used on the IO thread.
  22 class PlatformNotificationContext
  23     : public base::RefCountedThreadSafe<PlatformNotificationContext> {
  24  public:
  25   using ReadResultCallback =
  26       base::Callback<void(bool /* success */,
  27                           const NotificationDatabaseData&)>;
  28
  29   using WriteResultCallback =
  30       base::Callback<void(bool /* success */,
  31                           int64_t /* notification_id */)>;
  32
  33   using DeleteResultCallback = base::Callback<void(bool /* success */)>;
  34
  35   // Reads the data associated with |notification_id| belonging to |origin|
  36   // from the database. |callback| will be invoked with the success status
  37   // and a reference to the notification database data when completed.
  38   virtual void ReadNotificationData(int64_t notification_id,
  39                                     const GURL& origin,
  40                                     const ReadResultCallback& callback) = 0;
  41
  42   // Writes the data associated with a notification to a database. When this
  43   // action completed, |callback| will be invoked with the success status and
  44   // the persistent notification id when written successfully.
  45   virtual void WriteNotificationData(
  46       const GURL& origin,
  47       const NotificationDatabaseData& database_data,
  48       const WriteResultCallback& callback) = 0;
  49
  50   // Deletes all data associated with |notification_id| belonging to |origin|
  51   // from the database. |callback| will be invoked with the success status
  52   // when the operation has completed.
  53   virtual void DeleteNotificationData(int64_t notification_id,
  54                                       const GURL& origin,
  55                                       const DeleteResultCallback& callback) = 0;
  56
  57  protected:
  58   friend class base::RefCountedThreadSafe<PlatformNotificationContext>;
  59
  60   virtual ~PlatformNotificationContext() {}
  61 };
  62
  63 }  // namespace content
  64
  65 #endif  // CONTENT_PUBLIC_BROWSER_PLATFORM_NOTIFICATION_CONTEXT_H_