Source/WebCore/PAL/pal/spi/cocoa/AVKitSPI.h - WebKit - Git at Google

 /*
  * Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */

 #import <objc/runtime.h>
 #import <wtf/SoftLinking.h>

 #if USE(APPLE_INTERNAL_SDK)
 #import <AVKit/AVPlayerController.h>
 #else
 #if PLATFORM(IOS_FAMILY)
 #import <UIKit/UIResponder.h>
 @interface AVPlayerController : UIResponder
 #else
 #import <AppKit/NSResponder.h>
 @interface AVPlayerController : NSResponder <NSUserInterfaceValidations>
 #endif
 @end

 @interface AVPlayerController ()
 typedef NS_ENUM(NSInteger, AVPlayerControllerStatus) {
     AVPlayerControllerStatusUnknown = 0,
     AVPlayerControllerStatusReadyToPlay = 2,
 };

 typedef NS_ENUM(NSInteger, AVPlayerControllerExternalPlaybackType) {
     AVPlayerControllerExternalPlaybackTypeNone = 0,
     AVPlayerControllerExternalPlaybackTypeAirPlay = 1,
     AVPlayerControllerExternalPlaybackTypeTVOut = 2,
 };

 @property (NS_NONATOMIC_IOSONLY, readonly) AVPlayerControllerStatus status;
 @end
 #endif // USE(APPLE_INTERNAL_SDK)

 #if HAVE(HAVE_AVOBSERVATIONCONTROLLER)
 #if USE(APPLE_INTERNAL_SDK)
 #import <AVKit/AVObservationController.h>
 #else
 @class AVKeyValueChange;

 @interface AVObservationController<Owner> : NSObject
 - (instancetype)initWithOwner:(Owner)owner NS_DESIGNATED_INITIALIZER;
 - (id)startObserving:(id)object keyPath:(NSString *)keyPath includeInitialValue:(BOOL)shouldIncludeInitialValue observationHandler:(void (^)(Owner owner, id observed, AVKeyValueChange *change))observationHandler;
 - (void)stopAllObservation;
 @end
 #endif
 #endif // HAVE(HAVE_AVOBSERVATIONCONTROLLER)

 #if PLATFORM(IOS_FAMILY)
 #import <AVKit/AVKit.h>
 #import <QuartzCore/QuartzCore.h>
 #import <UIKit/UIKit.h>

 #if USE(APPLE_INTERNAL_SDK)

 #if PLATFORM(IOS) || PLATFORM(MACCATALYST)
 #import <AVKit/AVBackgroundView.h>
 #endif

 IGNORE_WARNINGS_BEGIN("objc-property-no-attribute")
 #import <AVKit/AVPlayerLayerView.h>
 IGNORE_WARNINGS_END
 #import <AVKit/AVPlayerViewController_Private.h>
 #import <AVKit/AVPlayerViewController_WebKitOnly.h>

 #if PLATFORM(WATCHOS)

 #import <AVFoundation/AVPlayerLayer.h>

 NS_ASSUME_NONNULL_BEGIN

 @interface AVPictureInPicturePlayerLayerView : UIView
 @property (nonatomic, readonly) AVPlayerLayer *playerLayer;
 @end

 @interface __AVPlayerLayerView  (Details)
 @property (nonatomic, readonly) AVPlayerLayer *playerLayer;
 - (AVPictureInPicturePlayerLayerView*) pictureInPicturePlayerLayerView;
 - (void)startRoutingVideoToPictureInPicturePlayerLayerView;
 - (void)stopRoutingVideoToPictureInPicturePlayerLayerView;
 @end

 @class AVPlayerLayerView;
 @interface AVPlayerViewController (AVPlayerViewController_WebKitOnly_Internal)
 - (void)enterFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError * __nullable error))completionHandler;
 - (void)exitFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError * __nullable error))completionHandler;
 - (void)startPictureInPicture;
 - (void)stopPictureInPicture;

 @property (nonatomic) BOOL showsExitFullScreenButton;
 @property (nonatomic, readonly, getter=isPictureInPicturePossible) BOOL pictureInPicturePossible;
 @property (nonatomic, readonly, getter=isPictureInPictureActive) BOOL pictureInPictureActive;
 @property (nonatomic, readonly, getter=isPictureInPictureSuspended) BOOL pictureInPictureSuspended;
 @property (nonatomic, readonly) BOOL pictureInPictureWasStartedWhenEnteringBackground;
 - (void)setWebKitOverrideRouteSharingPolicy:(NSUInteger)routeSharingPolicy routingContextUID:(NSString *)routingContextUID;
 @end

 @protocol AVPlayerViewControllerDelegate_WebKitOnly <AVPlayerViewControllerDelegate>
 @optional
 typedef NS_ENUM(NSInteger, AVPlayerViewControllerExitFullScreenReason) {
     AVPlayerViewControllerExitFullScreenReasonDoneButtonTapped,
     AVPlayerViewControllerExitFullScreenReasonFullScreenButtonTapped,
     AVPlayerViewControllerExitFullScreenReasonPinchGestureHandled,
     AVPlayerViewControllerExitFullScreenReasonRemoteControlStopEventReceived,
     AVPlayerViewControllerExitFullScreenReasonPictureInPictureStarted
 };
 - (BOOL)playerViewController:(AVPlayerViewController *)playerViewController shouldExitFullScreenWithReason:(AVPlayerViewControllerExitFullScreenReason)reason;
 @end

 NS_ASSUME_NONNULL_END

 #elif PLATFORM(APPLETV)
 NS_ASSUME_NONNULL_BEGIN
 @interface AVPlayerViewController (AVPlayerViewController_WebKitOnly_OverrideRouteSharingPolicy)
 - (void)setWebKitOverrideRouteSharingPolicy:(NSUInteger)routeSharingPolicy routingContextUID:(NSString *)routingContextUID;
 @end
 NS_ASSUME_NONNULL_END
 #endif

 #else

 NS_ASSUME_NONNULL_BEGIN

 @interface AVBackgroundView : UIView
 @property (nonatomic) BOOL automaticallyDrawsRoundedCorners;
 typedef NS_ENUM(NSInteger, AVBackgroundViewMaterialStyle) {
     AVBackgroundViewMaterialStylePrimary,
     AVBackgroundViewMaterialStyleSecondary
 };
 typedef NS_ENUM(NSInteger, AVBackgroundViewTintEffectStyle) {
     AVBackgroundViewTintEffectStylePrimary,
     AVBackgroundViewTintEffectStyleSecondary
 };
 - (void)addSubview:(UIView *)subview applyingMaterialStyle:(AVBackgroundViewMaterialStyle)materialStyle tintEffectStyle:(AVBackgroundViewTintEffectStyle)tintEffectStyle;
 @end

 @class AVPlayerLayer;

 @interface AVPictureInPicturePlayerLayerView : UIView
 @property (nonatomic, readonly) AVPlayerLayer *playerLayer;
 @end

 @interface __AVPlayerLayerView : UIView
 @property (nonatomic, readonly) AVPlayerLayer *playerLayer;
 @property (nonatomic, readonly) AVPictureInPicturePlayerLayerView *pictureInPicturePlayerLayerView;
 - (void)startRoutingVideoToPictureInPicturePlayerLayerView;
 - (void)stopRoutingVideoToPictureInPicturePlayerLayerView;
 @end

 @protocol AVPlayerViewControllerDelegate_WebKitOnly <AVPlayerViewControllerDelegate>
 @optional
 typedef NS_ENUM(NSInteger, AVPlayerViewControllerExitFullScreenReason) {
     AVPlayerViewControllerExitFullScreenReasonDoneButtonTapped,
     AVPlayerViewControllerExitFullScreenReasonFullScreenButtonTapped,
     AVPlayerViewControllerExitFullScreenReasonPinchGestureHandled,
     AVPlayerViewControllerExitFullScreenReasonRemoteControlStopEventReceived,
     AVPlayerViewControllerExitFullScreenReasonPictureInPictureStarted
 };
 - (BOOL)playerViewController:(AVPlayerViewController *)playerViewController shouldExitFullScreenWithReason:(AVPlayerViewControllerExitFullScreenReason)reason;
 @end

 @interface AVPlayerViewController ()
 - (instancetype)initWithPlayerLayerView:(__AVPlayerLayerView *)playerLayerView;
 - (void)enterFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError *))completionHandler;
 - (void)exitFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError *))completionHandler;

 - (BOOL)isPictureInPicturePossible;
 - (void)startPictureInPicture;
 - (void)stopPictureInPicture;

 @property (nonatomic, strong, nullable) AVPlayerController *playerController;
 @property (nonatomic, readonly, getter=isPictureInPictureActive) BOOL pictureInPictureActive;
 @property (nonatomic, readonly) BOOL pictureInPictureWasStartedWhenEnteringBackground;
 - (void)setWebKitOverrideRouteSharingPolicy:(NSUInteger)routeSharingPolicy routingContextUID:(NSString *)routingContextUID;
 @end

 NS_ASSUME_NONNULL_END

 #endif // USE(APPLE_INTERNAL_SDK)
 #endif // PLATFORM(IOS_FAMILY)

 #if PLATFORM(MAC)
 #if USE(APPLE_INTERNAL_SDK)
 #import <AVKit/AVPlayerView_Private.h>
 #else
 #import <AVKit/AVPlayerView.h>

 NS_ASSUME_NONNULL_BEGIN

 @interface AVPlayerView (WebKitFullscreenSPI)
 @property AVPlayerController *playerController;
 @property (readonly) BOOL isFullScreen;
 - (void)enterFullScreen:(id)sender;
 - (void)exitFullScreen:(id)sender;
 @end

 NS_ASSUME_NONNULL_END

 #endif // USE(APPLE_INTERNAL_SDK)
 #endif // PLATFORM(MAC)

 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS_FAMILY)

 #if USE(APPLE_INTERNAL_SDK)

 #import <AVKit/AVOutputDeviceMenuController.h>

 #else

 NS_ASSUME_NONNULL_BEGIN

 @class AVOutputContext;

 NS_CLASS_AVAILABLE_MAC(10_11)
 @interface AVOutputDeviceMenuController : NSObject

 - (instancetype)initWithOutputContext:(AVOutputContext *)outputContext NS_DESIGNATED_INITIALIZER;

 @property (readonly) AVOutputContext *outputContext;
 @property (readonly, getter=isExternalOutputDeviceAvailable) BOOL externalOutputDeviceAvailable;
 @property (readonly, getter=isExternalOutputDevicePicked) BOOL externalOutputDevicePicked;

 - (void)showMenuForRect:(NSRect)screenRect appearanceName:(NSString *)appearanceName;
 - (BOOL)showMenuForRect:(NSRect)screenRect appearanceName:(NSString *)appearanceName allowReselectionOfSelectedOutputDevice:(BOOL)allowReselectionOfSelectedOutputDevice;

 @end

 NS_ASSUME_NONNULL_END

 #endif // USE(APPLE_INTERNAL_SDK)

 #endif // ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS_FAMILY)

 NS_ASSUME_NONNULL_BEGIN

 @interface AVValueTiming : NSObject <NSCoding, NSCopying, NSMutableCopying>
 @end

 @interface AVValueTiming ()
 + (AVValueTiming *)valueTimingWithAnchorValue:(double)anchorValue anchorTimeStamp:(NSTimeInterval)timeStamp rate:(double)rate;
 @property (NS_NONATOMIC_IOSONLY, readonly) double currentValue;
 @property (NS_NONATOMIC_IOSONLY, readonly) double rate;
 @property (NS_NONATOMIC_IOSONLY, readonly) NSTimeInterval anchorTimeStamp;
 @property (NS_NONATOMIC_IOSONLY, readonly) double anchorValue;

 + (NSTimeInterval)currentTimeStamp;
 - (double)valueForTimeStamp:(NSTimeInterval)timeStamp;
 @end

 NS_ASSUME_NONNULL_END

 #if PLATFORM(MAC) && ENABLE(WEB_PLAYBACK_CONTROLS_MANAGER)

 OBJC_CLASS AVFunctionBarPlaybackControlsProvider;
 OBJC_CLASS AVFunctionBarScrubber;
 OBJC_CLASS AVFunctionBarMediaSelectionOption;
 OBJC_CLASS AVTouchBarPlaybackControlsProvider;
 OBJC_CLASS AVTouchBarScrubber;
 OBJC_CLASS AVTouchBarMediaSelectionOption;

 #if USE(APPLE_INTERNAL_SDK)

 #import <AVKit/AVTouchBarPlaybackControlsProvider.h>
 #import <AVKit/AVTouchBarScrubber.h>

 #else

 NS_ASSUME_NONNULL_BEGIN

 __attribute__((availability(macosx, obsoleted = 10.13))) @protocol AVFunctionBarPlaybackControlsControlling <NSObject>;
 @property (readonly) NSTimeInterval contentDuration;
 @property (readonly, nullable) AVValueTiming *timing;
 @property (readonly, getter=isSeeking) BOOL seeking;
 @property (readonly) NSTimeInterval seekToTime;
 - (void)seekToTime:(NSTimeInterval)time toleranceBefore:(NSTimeInterval)toleranceBefore toleranceAfter:(NSTimeInterval)toleranceAfter;
 @property (readonly) BOOL hasEnabledAudio;
 @property (readonly) BOOL hasEnabledVideo;
 @end

 __attribute__((availability(macosx, obsoleted = 10.13))) @interface AVFunctionBarPlaybackControlsProvider : NSResponder
 @property (strong, readonly, nullable) NSTouchBar *touchBar;
 @property (assign, nullable) id<AVFunctionBarPlaybackControlsControlling> playbackControlsController;
 @end

 @class AVThumbnail;

 __attribute__((availability(macosx, obsoleted = 10.13))) @interface AVFunctionBarScrubber : NSView
 @property (assign, nullable) id<AVFunctionBarPlaybackControlsControlling> playbackControlsController;
 @end

 @protocol AVTouchBarPlaybackControlsControlling <NSObject>
 @property (readonly) NSTimeInterval contentDuration;
 @property (readonly, nullable) AVValueTiming *timing;
 @property (readonly, getter=isSeeking) BOOL seeking;
 @property (readonly) NSTimeInterval seekToTime;
 - (void)seekToTime:(NSTimeInterval)time toleranceBefore:(NSTimeInterval)toleranceBefore toleranceAfter:(NSTimeInterval)toleranceAfter;
 @property (readonly) BOOL hasEnabledAudio;
 @property (readonly) BOOL hasEnabledVideo;
 @property (readonly) BOOL allowsPictureInPicturePlayback;
 @property (readonly, getter=isPictureInPictureActive) BOOL pictureInPictureActive;
 @property (readonly) BOOL canTogglePictureInPicture;
 - (void)togglePictureInPicture;

 typedef NS_ENUM(NSInteger, AVTouchBarMediaSelectionOptionType) {
     AVTouchBarMediaSelectionOptionTypeRegular,
     AVTouchBarMediaSelectionOptionTypeLegibleOff,
     AVTouchBarMediaSelectionOptionTypeLegibleAuto,
 };

 @end

 @interface AVTouchBarPlaybackControlsProvider : NSResponder
 @property (strong, readonly, nullable) NSTouchBar *touchBar;
 @property (assign, nullable) id<AVTouchBarPlaybackControlsControlling> playbackControlsController;
 @end

 @interface AVTouchBarScrubber : NSView
 @property (assign, nullable) id<AVTouchBarPlaybackControlsControlling> playbackControlsController;
 @property BOOL canShowMediaSelectionButton;
 @end

 @interface AVTouchBarMediaSelectionOption : NSObject
 - (instancetype)initWithTitle:(nonnull NSString *)title type:(AVTouchBarMediaSelectionOptionType)type;
 @end

 @class AVThumbnail;

 NS_ASSUME_NONNULL_END

 #endif

 #endif // PLATFORM(MAC) && ENABLE(WEB_PLAYBACK_CONTROLS_MANAGER)
	/*
	* Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#import <objc/runtime.h>
	#import <wtf/SoftLinking.h>

	#if USE(APPLE_INTERNAL_SDK)
	#import <AVKit/AVPlayerController.h>
	#else
	#if PLATFORM(IOS_FAMILY)
	#import <UIKit/UIResponder.h>
	@interface AVPlayerController : UIResponder
	#else
	#import <AppKit/NSResponder.h>
	@interface AVPlayerController : NSResponder <NSUserInterfaceValidations>
	#endif
	@end

	@interface AVPlayerController ()
	typedef NS_ENUM(NSInteger, AVPlayerControllerStatus) {
	AVPlayerControllerStatusUnknown = 0,
	AVPlayerControllerStatusReadyToPlay = 2,
	};

	typedef NS_ENUM(NSInteger, AVPlayerControllerExternalPlaybackType) {
	AVPlayerControllerExternalPlaybackTypeNone = 0,
	AVPlayerControllerExternalPlaybackTypeAirPlay = 1,
	AVPlayerControllerExternalPlaybackTypeTVOut = 2,
	};

	@property (NS_NONATOMIC_IOSONLY, readonly) AVPlayerControllerStatus status;
	@end
	#endif // USE(APPLE_INTERNAL_SDK)

	#if HAVE(HAVE_AVOBSERVATIONCONTROLLER)
	#if USE(APPLE_INTERNAL_SDK)
	#import <AVKit/AVObservationController.h>
	#else
	@class AVKeyValueChange;

	@interface AVObservationController<Owner> : NSObject
	- (instancetype)initWithOwner:(Owner)owner NS_DESIGNATED_INITIALIZER;
	- (id)startObserving:(id)object keyPath:(NSString )keyPath includeInitialValue:(BOOL)shouldIncludeInitialValue observationHandler:(void (^)(Owner owner, id observed, AVKeyValueChange change))observationHandler;
	- (void)stopAllObservation;
	@end
	#endif
	#endif // HAVE(HAVE_AVOBSERVATIONCONTROLLER)

	#if PLATFORM(IOS_FAMILY)
	#import <AVKit/AVKit.h>
	#import <QuartzCore/QuartzCore.h>
	#import <UIKit/UIKit.h>

	#if USE(APPLE_INTERNAL_SDK)

	#if PLATFORM(IOS) \|\| PLATFORM(MACCATALYST)
	#import <AVKit/AVBackgroundView.h>
	#endif

	IGNORE_WARNINGS_BEGIN("objc-property-no-attribute")
	#import <AVKit/AVPlayerLayerView.h>
	IGNORE_WARNINGS_END
	#import <AVKit/AVPlayerViewController_Private.h>
	#import <AVKit/AVPlayerViewController_WebKitOnly.h>

	#if PLATFORM(WATCHOS)

	#import <AVFoundation/AVPlayerLayer.h>

	NS_ASSUME_NONNULL_BEGIN

	@interface AVPictureInPicturePlayerLayerView : UIView
	@property (nonatomic, readonly) AVPlayerLayer *playerLayer;
	@end

	@interface __AVPlayerLayerView (Details)
	@property (nonatomic, readonly) AVPlayerLayer *playerLayer;
	- (AVPictureInPicturePlayerLayerView*) pictureInPicturePlayerLayerView;
	- (void)startRoutingVideoToPictureInPicturePlayerLayerView;
	- (void)stopRoutingVideoToPictureInPicturePlayerLayerView;
	@end

	@class AVPlayerLayerView;
	@interface AVPlayerViewController (AVPlayerViewController_WebKitOnly_Internal)
	- (void)enterFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError * __nullable error))completionHandler;
	- (void)exitFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError * __nullable error))completionHandler;
	- (void)startPictureInPicture;
	- (void)stopPictureInPicture;

	@property (nonatomic) BOOL showsExitFullScreenButton;
	@property (nonatomic, readonly, getter=isPictureInPicturePossible) BOOL pictureInPicturePossible;
	@property (nonatomic, readonly, getter=isPictureInPictureActive) BOOL pictureInPictureActive;
	@property (nonatomic, readonly, getter=isPictureInPictureSuspended) BOOL pictureInPictureSuspended;
	@property (nonatomic, readonly) BOOL pictureInPictureWasStartedWhenEnteringBackground;
	- (void)setWebKitOverrideRouteSharingPolicy:(NSUInteger)routeSharingPolicy routingContextUID:(NSString *)routingContextUID;
	@end

	@protocol AVPlayerViewControllerDelegate_WebKitOnly <AVPlayerViewControllerDelegate>
	@optional
	typedef NS_ENUM(NSInteger, AVPlayerViewControllerExitFullScreenReason) {
	AVPlayerViewControllerExitFullScreenReasonDoneButtonTapped,
	AVPlayerViewControllerExitFullScreenReasonFullScreenButtonTapped,
	AVPlayerViewControllerExitFullScreenReasonPinchGestureHandled,
	AVPlayerViewControllerExitFullScreenReasonRemoteControlStopEventReceived,
	AVPlayerViewControllerExitFullScreenReasonPictureInPictureStarted
	};
	- (BOOL)playerViewController:(AVPlayerViewController *)playerViewController shouldExitFullScreenWithReason:(AVPlayerViewControllerExitFullScreenReason)reason;
	@end

	NS_ASSUME_NONNULL_END

	#elif PLATFORM(APPLETV)
	NS_ASSUME_NONNULL_BEGIN
	@interface AVPlayerViewController (AVPlayerViewController_WebKitOnly_OverrideRouteSharingPolicy)
	- (void)setWebKitOverrideRouteSharingPolicy:(NSUInteger)routeSharingPolicy routingContextUID:(NSString *)routingContextUID;
	@end
	NS_ASSUME_NONNULL_END
	#endif

	#else

	NS_ASSUME_NONNULL_BEGIN

	@interface AVBackgroundView : UIView
	@property (nonatomic) BOOL automaticallyDrawsRoundedCorners;
	typedef NS_ENUM(NSInteger, AVBackgroundViewMaterialStyle) {
	AVBackgroundViewMaterialStylePrimary,
	AVBackgroundViewMaterialStyleSecondary
	};
	typedef NS_ENUM(NSInteger, AVBackgroundViewTintEffectStyle) {
	AVBackgroundViewTintEffectStylePrimary,
	AVBackgroundViewTintEffectStyleSecondary
	};
	- (void)addSubview:(UIView *)subview applyingMaterialStyle:(AVBackgroundViewMaterialStyle)materialStyle tintEffectStyle:(AVBackgroundViewTintEffectStyle)tintEffectStyle;
	@end

	@class AVPlayerLayer;

	@interface AVPictureInPicturePlayerLayerView : UIView
	@property (nonatomic, readonly) AVPlayerLayer *playerLayer;
	@end

	@interface __AVPlayerLayerView : UIView
	@property (nonatomic, readonly) AVPlayerLayer *playerLayer;
	@property (nonatomic, readonly) AVPictureInPicturePlayerLayerView *pictureInPicturePlayerLayerView;
	- (void)startRoutingVideoToPictureInPicturePlayerLayerView;
	- (void)stopRoutingVideoToPictureInPicturePlayerLayerView;
	@end

	@protocol AVPlayerViewControllerDelegate_WebKitOnly <AVPlayerViewControllerDelegate>
	@optional
	typedef NS_ENUM(NSInteger, AVPlayerViewControllerExitFullScreenReason) {
	AVPlayerViewControllerExitFullScreenReasonDoneButtonTapped,
	AVPlayerViewControllerExitFullScreenReasonFullScreenButtonTapped,
	AVPlayerViewControllerExitFullScreenReasonPinchGestureHandled,
	AVPlayerViewControllerExitFullScreenReasonRemoteControlStopEventReceived,
	AVPlayerViewControllerExitFullScreenReasonPictureInPictureStarted
	};
	- (BOOL)playerViewController:(AVPlayerViewController *)playerViewController shouldExitFullScreenWithReason:(AVPlayerViewControllerExitFullScreenReason)reason;
	@end

	@interface AVPlayerViewController ()
	- (instancetype)initWithPlayerLayerView:(__AVPlayerLayerView *)playerLayerView;
	- (void)enterFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError *))completionHandler;
	- (void)exitFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError *))completionHandler;

	- (BOOL)isPictureInPicturePossible;
	- (void)startPictureInPicture;
	- (void)stopPictureInPicture;

	@property (nonatomic, strong, nullable) AVPlayerController *playerController;
	@property (nonatomic, readonly, getter=isPictureInPictureActive) BOOL pictureInPictureActive;
	@property (nonatomic, readonly) BOOL pictureInPictureWasStartedWhenEnteringBackground;
	- (void)setWebKitOverrideRouteSharingPolicy:(NSUInteger)routeSharingPolicy routingContextUID:(NSString *)routingContextUID;
	@end

	NS_ASSUME_NONNULL_END

	#endif // USE(APPLE_INTERNAL_SDK)
	#endif // PLATFORM(IOS_FAMILY)

	#if PLATFORM(MAC)
	#if USE(APPLE_INTERNAL_SDK)
	#import <AVKit/AVPlayerView_Private.h>
	#else
	#import <AVKit/AVPlayerView.h>

	NS_ASSUME_NONNULL_BEGIN

	@interface AVPlayerView (WebKitFullscreenSPI)
	@property AVPlayerController *playerController;
	@property (readonly) BOOL isFullScreen;
	- (void)enterFullScreen:(id)sender;
	- (void)exitFullScreen:(id)sender;
	@end

	NS_ASSUME_NONNULL_END

	#endif // USE(APPLE_INTERNAL_SDK)
	#endif // PLATFORM(MAC)

	#if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS_FAMILY)

	#if USE(APPLE_INTERNAL_SDK)

	#import <AVKit/AVOutputDeviceMenuController.h>

	#else

	NS_ASSUME_NONNULL_BEGIN

	@class AVOutputContext;

	NS_CLASS_AVAILABLE_MAC(10_11)
	@interface AVOutputDeviceMenuController : NSObject

	- (instancetype)initWithOutputContext:(AVOutputContext *)outputContext NS_DESIGNATED_INITIALIZER;

	@property (readonly) AVOutputContext *outputContext;
	@property (readonly, getter=isExternalOutputDeviceAvailable) BOOL externalOutputDeviceAvailable;
	@property (readonly, getter=isExternalOutputDevicePicked) BOOL externalOutputDevicePicked;

	- (void)showMenuForRect:(NSRect)screenRect appearanceName:(NSString *)appearanceName;
	- (BOOL)showMenuForRect:(NSRect)screenRect appearanceName:(NSString *)appearanceName allowReselectionOfSelectedOutputDevice:(BOOL)allowReselectionOfSelectedOutputDevice;

	@end

	NS_ASSUME_NONNULL_END

	#endif // USE(APPLE_INTERNAL_SDK)

	#endif // ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS_FAMILY)

	NS_ASSUME_NONNULL_BEGIN

	@interface AVValueTiming : NSObject <NSCoding, NSCopying, NSMutableCopying>
	@end

	@interface AVValueTiming ()
	+ (AVValueTiming *)valueTimingWithAnchorValue:(double)anchorValue anchorTimeStamp:(NSTimeInterval)timeStamp rate:(double)rate;
	@property (NS_NONATOMIC_IOSONLY, readonly) double currentValue;
	@property (NS_NONATOMIC_IOSONLY, readonly) double rate;
	@property (NS_NONATOMIC_IOSONLY, readonly) NSTimeInterval anchorTimeStamp;
	@property (NS_NONATOMIC_IOSONLY, readonly) double anchorValue;

	+ (NSTimeInterval)currentTimeStamp;
	- (double)valueForTimeStamp:(NSTimeInterval)timeStamp;
	@end

	NS_ASSUME_NONNULL_END

	#if PLATFORM(MAC) && ENABLE(WEB_PLAYBACK_CONTROLS_MANAGER)

	OBJC_CLASS AVFunctionBarPlaybackControlsProvider;
	OBJC_CLASS AVFunctionBarScrubber;
	OBJC_CLASS AVFunctionBarMediaSelectionOption;
	OBJC_CLASS AVTouchBarPlaybackControlsProvider;
	OBJC_CLASS AVTouchBarScrubber;
	OBJC_CLASS AVTouchBarMediaSelectionOption;

	#if USE(APPLE_INTERNAL_SDK)

	#import <AVKit/AVTouchBarPlaybackControlsProvider.h>
	#import <AVKit/AVTouchBarScrubber.h>

	#else

	NS_ASSUME_NONNULL_BEGIN

	__attribute__((availability(macosx, obsoleted = 10.13))) @protocol AVFunctionBarPlaybackControlsControlling <NSObject>;
	@property (readonly) NSTimeInterval contentDuration;
	@property (readonly, nullable) AVValueTiming *timing;
	@property (readonly, getter=isSeeking) BOOL seeking;
	@property (readonly) NSTimeInterval seekToTime;
	- (void)seekToTime:(NSTimeInterval)time toleranceBefore:(NSTimeInterval)toleranceBefore toleranceAfter:(NSTimeInterval)toleranceAfter;
	@property (readonly) BOOL hasEnabledAudio;
	@property (readonly) BOOL hasEnabledVideo;
	@end

	__attribute__((availability(macosx, obsoleted = 10.13))) @interface AVFunctionBarPlaybackControlsProvider : NSResponder
	@property (strong, readonly, nullable) NSTouchBar *touchBar;
	@property (assign, nullable) id<AVFunctionBarPlaybackControlsControlling> playbackControlsController;
	@end

	@class AVThumbnail;

	__attribute__((availability(macosx, obsoleted = 10.13))) @interface AVFunctionBarScrubber : NSView
	@property (assign, nullable) id<AVFunctionBarPlaybackControlsControlling> playbackControlsController;
	@end

	@protocol AVTouchBarPlaybackControlsControlling <NSObject>
	@property (readonly) NSTimeInterval contentDuration;
	@property (readonly, nullable) AVValueTiming *timing;
	@property (readonly, getter=isSeeking) BOOL seeking;
	@property (readonly) NSTimeInterval seekToTime;
	- (void)seekToTime:(NSTimeInterval)time toleranceBefore:(NSTimeInterval)toleranceBefore toleranceAfter:(NSTimeInterval)toleranceAfter;
	@property (readonly) BOOL hasEnabledAudio;
	@property (readonly) BOOL hasEnabledVideo;
	@property (readonly) BOOL allowsPictureInPicturePlayback;
	@property (readonly, getter=isPictureInPictureActive) BOOL pictureInPictureActive;
	@property (readonly) BOOL canTogglePictureInPicture;
	- (void)togglePictureInPicture;

	typedef NS_ENUM(NSInteger, AVTouchBarMediaSelectionOptionType) {
	AVTouchBarMediaSelectionOptionTypeRegular,
	AVTouchBarMediaSelectionOptionTypeLegibleOff,
	AVTouchBarMediaSelectionOptionTypeLegibleAuto,
	};

	@end

	@interface AVTouchBarPlaybackControlsProvider : NSResponder
	@property (strong, readonly, nullable) NSTouchBar *touchBar;
	@property (assign, nullable) id<AVTouchBarPlaybackControlsControlling> playbackControlsController;
	@end

	@interface AVTouchBarScrubber : NSView
	@property (assign, nullable) id<AVTouchBarPlaybackControlsControlling> playbackControlsController;
	@property BOOL canShowMediaSelectionButton;
	@end

	@interface AVTouchBarMediaSelectionOption : NSObject
	- (instancetype)initWithTitle:(nonnull NSString *)title type:(AVTouchBarMediaSelectionOptionType)type;
	@end

	@class AVThumbnail;

	NS_ASSUME_NONNULL_END

	#endif

	#endif // PLATFORM(MAC) && ENABLE(WEB_PLAYBACK_CONTROLS_MANAGER)