networkstatusmonitor.js 1.3 KB

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  1. // Copyright 2012 The Closure Library Authors. All Rights Reserved.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS-IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. /**
  15. * @fileoverview Base class for objects monitoring and exposing runtime
  16. * network status information.
  17. */
  18. goog.provide('goog.net.NetworkStatusMonitor');
  19. goog.require('goog.events.Listenable');
  20. /**
  21. * Base class for network status information providers.
  22. * @interface
  23. * @extends {goog.events.Listenable}
  24. */
  25. goog.net.NetworkStatusMonitor = function() {};
  26. /**
  27. * Enum for the events dispatched by the OnlineHandler.
  28. * @enum {string}
  29. */
  30. goog.net.NetworkStatusMonitor.EventType = {
  31. ONLINE: 'online',
  32. OFFLINE: 'offline'
  33. };
  34. /**
  35. * @return {boolean} Whether the system is online or otherwise.
  36. */
  37. goog.net.NetworkStatusMonitor.prototype.isOnline;