text: // Copyright 2015 The Chromium Authors. All rights reserved.
  // 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_CALLBACKS_H_
  #define THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_CALLBACKS_H_
  
  #include "base/macros.h"
  #include "third_party/blink/renderer/modules/modules_export.h"
  #include "third_party/blink/renderer/modules/presentation/presentation_promise_property.h"
  #include "third_party/blink/renderer/platform/heap/handle.h"
  #include "third_party/blink/renderer/platform/weborigin/kurl.h"
  #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
  #include "third_party/blink/renderer/platform/wtf/vector.h"
  
  namespace blink {
  
  // PresentationAvailabilityCallback resolves or rejects underlying promise
  // depending on the availability result.
  // TODO(crbug.com/749327): Consider removing this class and have
  // PresentationAvailabilityState use PresentationAvailabilityProperty directly.
  class MODULES_EXPORT PresentationAvailabilityCallbacks
      : public GarbageCollected<PresentationAvailabilityCallbacks> {
   public:
    PresentationAvailabilityCallbacks(PresentationAvailabilityProperty*,
                                      const WTF::Vector<KURL>&);
    virtual ~PresentationAvailabilityCallbacks();
  
    virtual void Resolve(bool value);
    virtual void RejectAvailabilityNotSupported();
  
    void Trace(Visitor*);
  
   private:
    Member<PresentationAvailabilityProperty> resolver_;
    const WTF::Vector<KURL> urls_;
  
    DISALLOW_COPY_AND_ASSIGN(PresentationAvailabilityCallbacks);
  };
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_PRESENTATION_PRESENTATION_AVAILABILITY_CALLBACKS_H_
  