presentation_availability_state.h | Explore in Territory

// Copyright 2017 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_STATE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_STATE_H_

#include <memory>

#include "base/memory/raw_ptr.h"
#include "third_party/blink/public/mojom/presentation/presentation.mojom-blink.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/presentation/presentation_availability_callbacks.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class PresentationAvailabilityObserver;

// Maintains the states of PresentationAvailability objects in a frame. It is
// also responsible for querying the availability values from
// PresentationService for the URLs given in a PresentationRequest. As an
// optimization, the result will be cached and shared with other
// PresentationRequests containing the same URL. PresentationAvailabilityState
// is owned by PresentationController in the same frame.
// TODO(crbug.com/780109): Improve encapsulation of PresentationAvailability and
// this class by moving the multiple URL tracking logic to the former, and
// consolidating this class's APIs to take repeating callbacks.
class MODULES_EXPORT PresentationAvailabilityState final
    : public GarbageCollected<PresentationAvailabilityState> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_STATE_H_
chromium/third_party/blink/renderer/modules/presentation/presentation_availability_state.h
