content/public/browser/background_sync_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_BACKGROUND_SYNC_CONTEXT_H_
   6 #define CONTENT_PUBLIC_BROWSER_BACKGROUND_SYNC_CONTEXT_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace content {
  12
  13 class BackgroundSyncManager;
  14
  15 // One instance of this exists per StoragePartition, and services multiple
  16 // child processes/origins. Most logic is delegated to the owned
  17 // BackgroundSyncManager instance, which is only accessed on the IO
  18 // thread.
  19 class CONTENT_EXPORT BackgroundSyncContext
  20     : public base::RefCountedThreadSafe<BackgroundSyncContext> {
  21  public:
  22   // Only callable on the IO thread.
  23   virtual BackgroundSyncManager* background_sync_manager() const = 0;
  24
  25  protected:
  26   friend class base::RefCountedThreadSafe<BackgroundSyncContext>;
  27
  28   virtual ~BackgroundSyncContext() {}
  29 };
  30
  31 }  // namespace content
  32
  33 #endif  // CONTENT_PUBLIC_BROWSER_BACKGROUND_SYNC_CONTEXT_H_