chromium/third_party/blink/renderer/modules/presentation/presentation_availability.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_H_

#include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_state_observer.h"
#include "third_party/blink/renderer/core/page/page_visibility_observer.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/presentation/presentation_availability_observer.h"
#include "third_party/blink/renderer/modules/presentation/presentation_promise_property.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class ExecutionContext;
class KURL;

// Expose whether there is a presentation display available for |url|. The
// object will be initialized with a default value passed via ::take() and will
// then subscribe to receive callbacks if the status for |url| were to
// change. The object will only listen to changes when required.
class MODULES_EXPORT PresentationAvailability final
    : public EventTarget,
      public ActiveScriptWrappable<PresentationAvailability>,
      public ExecutionContextLifecycleStateObserver,
      public PageVisibilityObserver,
      public PresentationAvailabilityObserver { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_H_