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// Copyright 2017 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 MEDIA_BASE_OVERLAY_INFO_H_
#define MEDIA_BASE_OVERLAY_INFO_H_
#include "base/callback.h"
#include "base/macros.h"
#include "base/optional.h"
#include "base/unguessable_token.h"
#include "media/base/media_export.h"
namespace media {
struct MEDIA_EXPORT OverlayInfo {
// An unset routing token indicates "do not use any routing token". A null
// routing token isn't serializable, else we'd probably use that instead.
using RoutingToken = base::Optional<base::UnguessableToken>;
OverlayInfo();
OverlayInfo(const OverlayInfo&);
// Convenience functions to return true if and only if this specifies a
// surface ID / routing token that is not kNoSurfaceID / empty. I.e., if we
// provide enough info to create an overlay.
bool HasValidRoutingToken() const;
// Whether |other| refers to the same (surface_id, routing_token) pair as
// |this|.
bool RefersToSameOverlayAs(const OverlayInfo& other);
// The routing token for AndroidOverlay, if any.
RoutingToken routing_token;
// Is the player in fullscreen?
bool is_fullscreen = false;
// Is the player persistent video (PiP)?
bool is_persistent_video = false;
};
// Used by the WebMediaPlayer to provide overlay information to the decoder,
// which can ask for that information repeatedly (see
// WebMediaPlayerImpl::OnOverlayInfoRequested).
using ProvideOverlayInfoCB = base::RepeatingCallback<void(const OverlayInfo&)>;
using RequestOverlayInfoCB =
base::RepeatingCallback<void(bool, ProvideOverlayInfoCB)>;
} // namespace media
#endif // MEDIA_BASE_OVERLAY_INFO_H_
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