third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.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 WebPresentationAvailabilityObserver_h
   6 #define WebPresentationAvailabilityObserver_h
   7
   8 #include "public/platform/WebCommon.h"
   9 #include "public/platform/WebURL.h"
  10
  11 namespace blink {
  12
  13 // WebPresentationAvailabilityObserver is an interface that is implemented by
  14 // objects that wish to be notified when there is a presentation display
  15 // availability change for a given URL.
  16 class BLINK_PLATFORM_EXPORT WebPresentationAvailabilityObserver {
  17 public:
  18     virtual ~WebPresentationAvailabilityObserver() = default;
  19
  20     virtual void availabilityChanged(bool) = 0;
  21
  22     virtual const WebURL url() const = 0;
  23 };
  24
  25 } // namespace blink
  26
  27 #endif // WebPresentationAvailabilityObserver_h