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// 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 MEDIA_BASE_MEDIA_PERMISSION_H_
#define MEDIA_BASE_MEDIA_PERMISSION_H_
#include "base/callback_forward.h"
#include "media/base/media_export.h"
namespace media {
// Interface to handle media related permission checks and requests.
class MEDIA_EXPORT MediaPermission {
public:
using PermissionStatusCB = base::OnceCallback<void(bool)>;
enum Type {
PROTECTED_MEDIA_IDENTIFIER,
AUDIO_CAPTURE,
VIDEO_CAPTURE,
};
MediaPermission();
MediaPermission(const MediaPermission&) = delete;
MediaPermission& operator=(const MediaPermission&) = delete;
virtual ~MediaPermission();
// Checks whether |type| is permitted without triggering user interaction
// (e.g. permission prompt). The status will be |false| if the permission
// has never been set.
virtual void HasPermission(Type type,
PermissionStatusCB permission_status_cb) = 0;
// Requests |type| permission. This may trigger user interaction
// (e.g. permission prompt) if the permission has never been set.
virtual void RequestPermission(Type type,
PermissionStatusCB permission_status_cb) = 0;
// Whether to allow the use of Encrypted Media Extensions (EME), except for
// the use of Clear Key key systems, which is always allowed as required by
// the spec.
virtual bool IsEncryptedMediaEnabled() = 0;
};
} // namespace media
#endif // MEDIA_BASE_MEDIA_PERMISSION_H_
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