content/browser/background_sync/background_sync_network_observer.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_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_NETWORK_OBSERVER_H_
   6 #define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_NETWORK_OBSERVER_H_
   7
   8 #include "base/bind.h"
   9 #include "content/browser/background_sync/background_sync.pb.h"
  10 #include "content/common/content_export.h"
  11 #include "net/base/network_change_notifier.h"
  12
  13 namespace content {
  14
  15 class CONTENT_EXPORT BackgroundSyncNetworkObserver
  16     : net::NetworkChangeNotifier::NetworkChangeObserver {
  17  public:
  18   // Creates a BackgroundSyncNetworkObserver. |network_changed_callback| is
  19   // called when the network connection changes asynchronously via PostMessage.
  20   BackgroundSyncNetworkObserver(const base::Closure& network_changed_callback);
  21
  22   ~BackgroundSyncNetworkObserver() override;
  23
  24   // Returns true if the state of the network meets the needs of
  25   // |network_state|.
  26   bool NetworkSufficient(SyncNetworkState network_state);
  27
  28  private:
  29   void NotifyNetworkChanged();
  30
  31   // NetworkChangeObserver overrides
  32   void OnNetworkChanged(
  33       net::NetworkChangeNotifier::ConnectionType connection_type) override;
  34
  35   net::NetworkChangeNotifier::ConnectionType connection_type_;
  36
  37   // The callback to run when the network changes.
  38   base::Closure network_changed_callback_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(BackgroundSyncNetworkObserver);
  41 };
  42
  43 }  // namespace content
  44
  45 #endif  // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_NETWORK_OBSERVER_H_