| // 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 CONTENT_PUBLIC_BROWSER_PRESENTATION_SCREEN_AVAILABILITY_LISTENER_H_ |
| #define CONTENT_PUBLIC_BROWSER_PRESENTATION_SCREEN_AVAILABILITY_LISTENER_H_ |
| |
| #include <string> |
| |
| #include "content/common/content_export.h" |
| #include "third_party/blink/public/mojom/presentation/presentation.mojom.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| |
| // A listener interface used for receiving updates on screen availability |
| // associated with a presentation URL from an embedder. |
| // See also PresentationServiceDelegate. |
| class CONTENT_EXPORT PresentationScreenAvailabilityListener { |
| public: |
| virtual ~PresentationScreenAvailabilityListener() {} |
| |
| // Returns the screen availability URL associated with this listener. |
| // Empty string means this object is listening for screen availability |
| // for "1-UA" mode, i.e. offscreen tab rendering. |
| virtual GURL GetAvailabilityUrl() const = 0; |
| |
| // Called when screen availability for the associated Presentation URL has |
| // changed to |availability|. |
| virtual void OnScreenAvailabilityChanged( |
| blink::mojom::ScreenAvailability availability) = 0; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_PRESENTATION_SCREEN_AVAILABILITY_LISTENER_H_ |