#import "ASVideoPlayerNode.h"

#import "ASDefaultPlaybackButton.h"

#import "ASDisplayNodeInternal.h"

static void *ASVideoPlayerNodeContext = &ASVideoPlayerNodeContext;

@interface ASVideoPlayerNode() <ASVideoNodeDelegate>

{

__weak id<ASVideoPlayerNodeDelegate> _delegate;

struct {

unsigned int delegateNeededDefaultControls:1;

unsigned int delegateCustomControls:1;

unsigned int delegateSpinnerTintColor:1;

unsigned int delegatePlaybackButtonTint:1;

unsigned int delegateScrubberMaximumTrackTintColor:1;

unsigned int delegateScrubberMinimumTrackTintColor:1;

unsigned int delegateScrubberThumbTintColor:1;

unsigned int delegateScrubberThumbImage:1;

unsigned int delegateTimeLabelAttributes:1;

unsigned int delegateTimeLabelAttributedString:1;

unsigned int delegateLayoutSpecForControls:1;

unsigned int delegateVideoNodeDidPlayToTime:1;

unsigned int delegateVideoNodeWillChangeState:1;

unsigned int delegateVideoNodeShouldChangeState:1;

unsigned int delegateVideoNodePlaybackDidFinish:1;

unsigned int delegateDidTapVideoPlayerNode:1;

unsigned int delegateVideoPlayerNodeDidSetCurrentItem:1;

unsigned int delegateVideoPlayerNodeDidStallAtTimeInterval:1;

unsigned int delegateVideoPlayerNodeDidStartInitialLoading:1;

unsigned int delegateVideoPlayerNodeDidFinishInitialLoading:1;

unsigned int delegateVideoPlayerNodeDidRecoverFromStall:1;

} _delegateFlags;

NSURL *_url;

AVAsset *_asset;

AVVideoComposition *_videoComposition;

AVAudioMix *_audioMix;

ASVideoNode *_videoNode;

NSArray *_neededDefaultControls;

NSMutableDictionary *_cachedControls;

ASDefaultPlaybackButton *_playbackButtonNode;

ASTextNode *_elapsedTextNode;

ASTextNode *_durationTextNode;

ASDisplayNode *_scrubberNode;

ASStackLayoutSpec *_controlFlexGrowSpacerSpec;

ASDisplayNode *_spinnerNode;

BOOL _loadAssetWhenNodeBecomesVisible;

BOOL _isSeeking;

CMTime _duration;

BOOL _controlsDisabled;

BOOL _shouldAutoPlay;

BOOL _shouldAutoRepeat;

BOOL _muted;

int32_t _periodicTimeObserverTimescale;

NSString *_gravity;

BOOL _shouldAggressivelyRecoverFromStall;

UIColor *_defaultControlsColor;

}

@implementation ASVideoPlayerNode

@dynamic placeholderImageURL;

- (instancetype)init

{

if (!(self = [super init])) {

return nil;

}

[self _init];

return self;

}

- (instancetype)initWithUrl:(NSURL*)url

{

if (!(self = [super init])) {

return nil;

}

_url = url;

_asset = [AVAsset assetWithURL:_url];

_loadAssetWhenNodeBecomesVisible = YES;

[self _init];

return self;

}

- (instancetype)initWithAsset:(AVAsset *)asset

{

if (!(self = [super init])) {

return nil;

}

_asset = asset;

_loadAssetWhenNodeBecomesVisible = YES;

[self _init];

return self;

}

-(instancetype)initWithAsset:(AVAsset *)asset videoComposition:(AVVideoComposition *)videoComposition audioMix:(AVAudioMix *)audioMix

{

if (!(self = [super init])) {

return nil;

}

_asset = asset;

_videoComposition = videoComposition;

_audioMix = audioMix;

_loadAssetWhenNodeBecomesVisible = YES;

[self _init];

return self;

}

- (instancetype)initWithUrl:(NSURL *)url loadAssetWhenNodeBecomesVisible:(BOOL)loadAssetWhenNodeBecomesVisible

{

if (!(self = [super init])) {

return nil;

}

_url = url;

_asset = [AVAsset assetWithURL:_url];

_loadAssetWhenNodeBecomesVisible = loadAssetWhenNodeBecomesVisible;

[self _init];

return self;

}

- (instancetype)initWithAsset:(AVAsset *)asset loadAssetWhenNodeBecomesVisible:(BOOL)loadAssetWhenNodeBecomesVisible

{

if (!(self = [super init])) {

return nil;

}

_asset = asset;

_loadAssetWhenNodeBecomesVisible = loadAssetWhenNodeBecomesVisible;

[self _init];

return self;

}

-(instancetype)initWithAsset:(AVAsset *)asset videoComposition:(AVVideoComposition *)videoComposition audioMix:(AVAudioMix *)audioMix loadAssetWhenNodeBecomesVisible:(BOOL)loadAssetWhenNodeBecomesVisible

{

if (!(self = [super init])) {

return nil;

}

_asset = asset;

_videoComposition = videoComposition;

_audioMix = audioMix;

_loadAssetWhenNodeBecomesVisible = loadAssetWhenNodeBecomesVisible;

[self _init];

return self;

}

- (void)_init

{

_defaultControlsColor = [UIColor whiteColor];

_cachedControls = [[NSMutableDictionary alloc] init];

_videoNode = [[ASVideoNode alloc] init];

_videoNode.delegate = self;

if (_loadAssetWhenNodeBecomesVisible == NO) {

_videoNode.asset = _asset;

_videoNode.videoComposition = _videoComposition;

_videoNode.audioMix = _audioMix;

}

[self addSubnode:_videoNode];

}

- (void)didLoad

{

[super didLoad];

{

ASDN::MutexLocker l(__instanceLock__);

[self createControls];

}

}

- (void)visibleStateDidChange:(BOOL)isVisible

{

[super visibleStateDidChange:isVisible];

ASDN::MutexLocker l(__instanceLock__);

if (isVisible && _loadAssetWhenNodeBecomesVisible) {

if (_asset != _videoNode.asset) {

_videoNode.asset = _asset;

}

if (_videoComposition != _videoNode.videoComposition) {

_videoNode.videoComposition = _videoComposition;

}

if (_audioMix != _videoNode.audioMix) {

_videoNode.audioMix = _audioMix;

}

}

}

- (NSArray *)createDefaultControlElementArray

{

if (_delegateFlags.delegateNeededDefaultControls) {

return [_delegate videoPlayerNodeNeededDefaultControls:self];

}

return @[ @(ASVideoPlayerNodeControlTypePlaybackButton),

@(ASVideoPlayerNodeControlTypeElapsedText),

@(ASVideoPlayerNodeControlTypeScrubber),

@(ASVideoPlayerNodeControlTypeDurationText) ];

}

#pragma mark - UI

- (void)createControls

{

ASDN::MutexLocker l(__instanceLock__);

if (_controlsDisabled) {

return;

}

if (_neededDefaultControls == nil) {

_neededDefaultControls = [self createDefaultControlElementArray];

}

if (_cachedControls == nil) {

_cachedControls = [[NSMutableDictionary alloc] init];

}

for (id object in _neededDefaultControls) {

ASVideoPlayerNodeControlType type = (ASVideoPlayerNodeControlType)[object integerValue];

switch (type) {

case ASVideoPlayerNodeControlTypePlaybackButton:

[self createPlaybackButton];

break;

case ASVideoPlayerNodeControlTypeElapsedText:

[self createElapsedTextField];

break;

case ASVideoPlayerNodeControlTypeDurationText:

[self createDurationTextField];

break;

case ASVideoPlayerNodeControlTypeScrubber:

[self createScrubber];

break;

case ASVideoPlayerNodeControlTypeFlexGrowSpacer:

[self createControlFlexGrowSpacer];

break;

default:

break;

}

}

if (_delegateFlags.delegateCustomControls && _delegateFlags.delegateLayoutSpecForControls) {

NSDictionary *customControls = [_delegate videoPlayerNodeCustomControls:self];

for (id key in customControls) {

id node = customControls[key];

if (![node isKindOfClass:[ASDisplayNode class]]) {

continue;

}

[self addSubnode:node];

[_cachedControls setObject:node forKey:key];

}

}

ASPerformBlockOnMainThread(^{

ASDN::MutexLocker l(__instanceLock__);

[self setNeedsLayout];

});

}

- (void)removeControls

{

for (ASDisplayNode *node in [_cachedControls objectEnumerator]) {

[node removeFromSupernode];

}

[self cleanCachedControls];

}

- (void)cleanCachedControls

{

[_cachedControls removeAllObjects];

_playbackButtonNode = nil;

_elapsedTextNode = nil;

_durationTextNode = nil;

_scrubberNode = nil;

}

- (void)createPlaybackButton

{

if (_playbackButtonNode == nil) {

_playbackButtonNode = [[ASDefaultPlaybackButton alloc] init];

_playbackButtonNode.preferredFrameSize = CGSizeMake(16.0, 22.0);

if (_delegateFlags.delegatePlaybackButtonTint) {

_playbackButtonNode.tintColor = [_delegate videoPlayerNodePlaybackButtonTint:self];

} else {

_playbackButtonNode.tintColor = _defaultControlsColor;

}

if (_videoNode.playerState == ASVideoNodePlayerStatePlaying) {

_playbackButtonNode.buttonType = ASDefaultPlaybackButtonTypePause;

}

[_playbackButtonNode addTarget:self action:@selector(didTapPlaybackButton:) forControlEvents:ASControlNodeEventTouchUpInside];

[_cachedControls setObject:_playbackButtonNode forKey:@(ASVideoPlayerNodeControlTypePlaybackButton)];

}

[self addSubnode:_playbackButtonNode];

}

- (void)createElapsedTextField

{

if (_elapsedTextNode == nil) {

_elapsedTextNode = [[ASTextNode alloc] init];

_elapsedTextNode.attributedString = [self timeLabelAttributedStringForString:@"00:00"

forControlType:ASVideoPlayerNodeControlTypeElapsedText];

_elapsedTextNode.truncationMode = NSLineBreakByClipping;

[_cachedControls setObject:_elapsedTextNode forKey:@(ASVideoPlayerNodeControlTypeElapsedText)];

}

[self addSubnode:_elapsedTextNode];

}

- (void)createDurationTextField

{

if (_durationTextNode == nil) {

_durationTextNode = [[ASTextNode alloc] init];

_durationTextNode.attributedString = [self timeLabelAttributedStringForString:@"00:00"

forControlType:ASVideoPlayerNodeControlTypeDurationText];

_durationTextNode.truncationMode = NSLineBreakByClipping;

[_cachedControls setObject:_durationTextNode forKey:@(ASVideoPlayerNodeControlTypeDurationText)];

}

[self addSubnode:_durationTextNode];

}

- (void)createScrubber

{

if (_scrubberNode == nil) {

__weak __typeof__(self) weakSelf = self;

_scrubberNode = [[ASDisplayNode alloc] initWithViewBlock:^UIView * _Nonnull {

__typeof__(self) strongSelf = weakSelf;

UISlider *slider = [[UISlider alloc] initWithFrame:CGRectZero];

slider.minimumValue = 0.0;

slider.maximumValue = 1.0;

if (_delegateFlags.delegateScrubberMinimumTrackTintColor) {

slider.minimumTrackTintColor = [strongSelf.delegate videoPlayerNodeScrubberMinimumTrackTint:strongSelf];

}

if (_delegateFlags.delegateScrubberMaximumTrackTintColor) {

slider.maximumTrackTintColor = [strongSelf.delegate videoPlayerNodeScrubberMaximumTrackTint:strongSelf];

}

if (_delegateFlags.delegateScrubberThumbTintColor) {

slider.thumbTintColor = [strongSelf.delegate videoPlayerNodeScrubberThumbTint:strongSelf];

}

if (_delegateFlags.delegateScrubberThumbImage) {

UIImage *thumbImage = [strongSelf.delegate videoPlayerNodeScrubberThumbImage:strongSelf];

[slider setThumbImage:thumbImage forState:UIControlStateNormal];

}

[slider addTarget:strongSelf action:@selector(beginSeek) forControlEvents:UIControlEventTouchDown];

[slider addTarget:strongSelf action:@selector(endSeek) forControlEvents:UIControlEventTouchUpInside|UIControlEventTouchUpOutside|UIControlEventTouchCancel];

[slider addTarget:strongSelf action:@selector(seekTimeDidChange:) forControlEvents:UIControlEventValueChanged];

return slider;

}];

_scrubberNode.flexShrink = YES;

[_cachedControls setObject:_scrubberNode forKey:@(ASVideoPlayerNodeControlTypeScrubber)];

}

[self addSubnode:_scrubberNode];

}

- (void)createControlFlexGrowSpacer

{

if (_controlFlexGrowSpacerSpec == nil) {

_controlFlexGrowSpacerSpec = [[ASStackLayoutSpec alloc] init];

_controlFlexGrowSpacerSpec.flexGrow = YES;

}

[_cachedControls setObject:_controlFlexGrowSpacerSpec forKey:@(ASVideoPlayerNodeControlTypeFlexGrowSpacer)];

}

- (void)updateDurationTimeLabel

{

if (!_durationTextNode) {

return;

}

NSString *formattedDuration = [self timeStringForCMTime:_duration forTimeLabelType:ASVideoPlayerNodeControlTypeDurationText];

_durationTextNode.attributedString = [self timeLabelAttributedStringForString:formattedDuration forControlType:ASVideoPlayerNodeControlTypeDurationText];

}

- (void)updateElapsedTimeLabel:(NSTimeInterval)seconds

{

if (!_elapsedTextNode) {

return;

}

NSString *formatteElapsed = [self timeStringForCMTime:CMTimeMakeWithSeconds( seconds, _videoNode.periodicTimeObserverTimescale ) forTimeLabelType:ASVideoPlayerNodeControlTypeElapsedText];

_elapsedTextNode.attributedString = [self timeLabelAttributedStringForString:formatteElapsed forControlType:ASVideoPlayerNodeControlTypeElapsedText];

}

- (NSAttributedString*)timeLabelAttributedStringForString:(NSString*)string forControlType:(ASVideoPlayerNodeControlType)controlType

{

NSDictionary *options;

if (_delegateFlags.delegateTimeLabelAttributes) {

options = [_delegate videoPlayerNodeTimeLabelAttributes:self timeLabelType:controlType];

} else {

options = @{

NSFontAttributeName : [UIFont systemFontOfSize:12.0],

NSForegroundColorAttributeName: _defaultControlsColor

};

}

NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:string attributes:options];

return attributedString;

}

#pragma mark - ASVideoNodeDelegate

- (void)videoNode:(ASVideoNode *)videoNode willChangePlayerState:(ASVideoNodePlayerState)state toState:(ASVideoNodePlayerState)toState

{

if (_delegateFlags.delegateVideoNodeWillChangeState) {

[_delegate videoPlayerNode:self willChangeVideoNodeState:state toVideoNodeState:toState];

}

if (toState == ASVideoNodePlayerStateReadyToPlay) {

_duration = _videoNode.currentItem.duration;

[self updateDurationTimeLabel];

}

if (toState == ASVideoNodePlayerStatePlaying) {

_playbackButtonNode.buttonType = ASDefaultPlaybackButtonTypePause;

[self removeSpinner];

} else if (toState != ASVideoNodePlayerStatePlaybackLikelyToKeepUpButNotPlaying && toState != ASVideoNodePlayerStateReadyToPlay) {

_playbackButtonNode.buttonType = ASDefaultPlaybackButtonTypePlay;

}

if (toState == ASVideoNodePlayerStateLoading || toState == ASVideoNodePlayerStateInitialLoading) {

[self showSpinner];

}

if (toState == ASVideoNodePlayerStateReadyToPlay || toState == ASVideoNodePlayerStatePaused || toState == ASVideoNodePlayerStatePlaybackLikelyToKeepUpButNotPlaying) {

[self removeSpinner];

}

}

- (BOOL)videoNode:(ASVideoNode *)videoNode shouldChangePlayerStateTo:(ASVideoNodePlayerState)state

{

if (_delegateFlags.delegateVideoNodeShouldChangeState) {

return [_delegate videoPlayerNode:self shouldChangeVideoNodeStateTo:state];

}

return YES;

}

- (void)videoNode:(ASVideoNode *)videoNode didPlayToTimeInterval:(NSTimeInterval)timeInterval

{

if (_delegateFlags.delegateVideoNodeDidPlayToTime) {

[_delegate videoPlayerNode:self didPlayToTime:_videoNode.player.currentTime];

}

if (_isSeeking) {

return;

}

if (_elapsedTextNode) {

[self updateElapsedTimeLabel:timeInterval];

}

if (_scrubberNode) {

[(UISlider*)_scrubberNode.view setValue:( timeInterval / CMTimeGetSeconds(_duration) ) animated:NO];

}

}

- (void)videoDidPlayToEnd:(ASVideoNode *)videoNode

{

if (_delegateFlags.delegateVideoNodePlaybackDidFinish) {

[_delegate videoPlayerNodeDidPlayToEnd:self];

}

}

- (void)didTapVideoNode:(ASVideoNode *)videoNode

{

if (_delegateFlags.delegateDidTapVideoPlayerNode) {

[_delegate didTapVideoPlayerNode:self];

} else {

[self togglePlayPause];

}

}

- (void)videoNode:(ASVideoNode *)videoNode didSetCurrentItem:(AVPlayerItem *)currentItem

{

if (_delegateFlags.delegateVideoPlayerNodeDidSetCurrentItem) {

[_delegate videoPlayerNode:self didSetCurrentItem:currentItem];

}

}

- (void)videoNode:(ASVideoNode *)videoNode didStallAtTimeInterval:(NSTimeInterval)timeInterval

{

if (_delegateFlags.delegateVideoPlayerNodeDidStallAtTimeInterval) {

[_delegate videoPlayerNode:self didStallAtTimeInterval:timeInterval];

}

}

- (void)videoNodeDidStartInitialLoading:(ASVideoNode *)videoNode

{

if (_delegateFlags.delegateVideoPlayerNodeDidStartInitialLoading) {

[_delegate videoPlayerNodeDidStartInitialLoading:self];

}

}

- (void)videoNodeDidFinishInitialLoading:(ASVideoNode *)videoNode

{

if (_delegateFlags.delegateVideoPlayerNodeDidFinishInitialLoading) {

[_delegate videoPlayerNodeDidFinishInitialLoading:self];

}

}

- (void)videoNodeDidRecoverFromStall:(ASVideoNode *)videoNode

{

if (_delegateFlags.delegateVideoPlayerNodeDidRecoverFromStall) {

[_delegate videoPlayerNodeDidRecoverFromStall:self];

}

}

#pragma mark - Actions

- (void)togglePlayPause

{

if (_videoNode.playerState == ASVideoNodePlayerStatePlaying) {

[_videoNode pause];

} else {

[_videoNode play];

}

}

- (void)showSpinner

{

ASDN::MutexLocker l(__instanceLock__);

if (!_spinnerNode) {

__weak __typeof__(self) weakSelf = self;

_spinnerNode = [[ASDisplayNode alloc] initWithViewBlock:^UIView *{

__typeof__(self) strongSelf = weakSelf;

UIActivityIndicatorView *spinnnerView = [[UIActivityIndicatorView alloc] init];

spinnnerView.backgroundColor = [UIColor clearColor];

if (_delegateFlags.delegateSpinnerTintColor) {

spinnnerView.color = [_delegate videoPlayerNodeSpinnerTint:strongSelf];

} else {

spinnnerView.color = _defaultControlsColor;

}

return spinnnerView;

}];

_spinnerNode.preferredFrameSize = CGSizeMake(44.0, 44.0);

[self addSubnode:_spinnerNode];

[self setNeedsLayout];

}

[(UIActivityIndicatorView *)_spinnerNode.view startAnimating];

}

- (void)removeSpinner

{

ASDN::MutexLocker l(__instanceLock__);

if (!_spinnerNode) {

return;

}

[_spinnerNode removeFromSupernode];

_spinnerNode = nil;

}

- (void)didTapPlaybackButton:(ASControlNode*)node

{

[self togglePlayPause];

}

- (void)beginSeek

{

_isSeeking = YES;

}

- (void)endSeek

{

_isSeeking = NO;

}

- (void)seekTimeDidChange:(UISlider*)slider

{

CGFloat percentage = slider.value * 100;

[self seekToTime:percentage];

}

#pragma mark - Public API

- (void)seekToTime:(CGFloat)percentComplete

{

CGFloat seconds = ( CMTimeGetSeconds(_duration) * percentComplete ) / 100;

[self updateElapsedTimeLabel:seconds];

[_videoNode.player seekToTime:CMTimeMakeWithSeconds(seconds, _videoNode.periodicTimeObserverTimescale)];

if (_videoNode.playerState != ASVideoNodePlayerStatePlaying) {

[self togglePlayPause];

}

}

- (void)play

{

[_videoNode play];

}

- (void)pause

{

[_videoNode pause];

}

- (BOOL)isPlaying

{

return [_videoNode isPlaying];

}

- (NSArray *)controlsForLayoutSpec

{

NSMutableArray *controls = [[NSMutableArray alloc] initWithCapacity:_cachedControls.count];

if (_cachedControls[ @(ASVideoPlayerNodeControlTypePlaybackButton) ]) {

[controls addObject:_cachedControls[ @(ASVideoPlayerNodeControlTypePlaybackButton) ]];

}

if (_cachedControls[ @(ASVideoPlayerNodeControlTypeElapsedText) ]) {

[controls addObject:_cachedControls[ @(ASVideoPlayerNodeControlTypeElapsedText) ]];

}

if (_cachedControls[ @(ASVideoPlayerNodeControlTypeScrubber) ]) {

[controls addObject:_cachedControls[ @(ASVideoPlayerNodeControlTypeScrubber) ]];

}

if (_cachedControls[ @(ASVideoPlayerNodeControlTypeDurationText) ]) {

[controls addObject:_cachedControls[ @(ASVideoPlayerNodeControlTypeDurationText) ]];

}

return controls;

}

#pragma mark - Layout

- (ASLayoutSpec*)layoutSpecThatFits:(ASSizeRange)constrainedSize

{

CGSize maxSize = constrainedSize.max;

if (!CGSizeEqualToSize(self.preferredFrameSize, CGSizeZero)) {

maxSize = self.preferredFrameSize;

}

// Prevent crashes through if infinite width or height

if (isinf(maxSize.width) || isinf(maxSize.height)) {

ASDisplayNodeAssert(NO, @"Infinite width or height in ASVideoPlayerNode");

maxSize = CGSizeZero;

}

_videoNode.preferredFrameSize = maxSize;

ASLayoutSpec *layoutSpec;

if (_delegateFlags.delegateLayoutSpecForControls) {

layoutSpec = [_delegate videoPlayerNodeLayoutSpec:self forControls:_cachedControls forMaximumSize:maxSize];

} else {

layoutSpec = [self defaultLayoutSpecThatFits:maxSize];

}

NSMutableArray *children = [[NSMutableArray alloc] init];

if (_spinnerNode) {

ASCenterLayoutSpec *centerLayoutSpec = [ASCenterLayoutSpec centerLayoutSpecWithCenteringOptions:ASCenterLayoutSpecCenteringXY sizingOptions:ASCenterLayoutSpecSizingOptionDefault child:_spinnerNode];

centerLayoutSpec.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(maxSize);

[children addObject:centerLayoutSpec];

}

ASOverlayLayoutSpec *overlaySpec = [ASOverlayLayoutSpec overlayLayoutSpecWithChild:_videoNode overlay:layoutSpec];

overlaySpec.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(maxSize);

[children addObject:overlaySpec];

return [ASStaticLayoutSpec staticLayoutSpecWithChildren:children];

}

- (ASLayoutSpec*)defaultLayoutSpecThatFits:(CGSize)maxSize

{

_scrubberNode.preferredFrameSize = CGSizeMake(maxSize.width, 44.0);

ASLayoutSpec *spacer = [[ASLayoutSpec alloc] init];

spacer.flexGrow = YES;

ASStackLayoutSpec *controlbarSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal

spacing:10.0

justifyContent:ASStackLayoutJustifyContentStart

alignItems:ASStackLayoutAlignItemsCenter

children: [self controlsForLayoutSpec] ];

controlbarSpec.alignSelf = ASStackLayoutAlignSelfStretch;

UIEdgeInsets insets = UIEdgeInsetsMake(10.0, 10.0, 10.0, 10.0);

ASInsetLayoutSpec *controlbarInsetSpec = [ASInsetLayoutSpec insetLayoutSpecWithInsets:insets child:controlbarSpec];

controlbarInsetSpec.alignSelf = ASStackLayoutAlignSelfStretch;

ASStackLayoutSpec *mainVerticalStack = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionVertical

spacing:0.0

justifyContent:ASStackLayoutJustifyContentStart

alignItems:ASStackLayoutAlignItemsStart

children:@[spacer,controlbarInsetSpec]];

return mainVerticalStack;

}

#pragma mark - Properties

- (id<ASVideoPlayerNodeDelegate>)delegate

{

return _delegate;

}

- (void)setDelegate:(id<ASVideoPlayerNodeDelegate>)delegate

{

if (delegate == _delegate) {

return;

}

_delegate = delegate;

if (_delegate == nil) {

memset(&_delegateFlags, 0, sizeof(_delegateFlags));

} else {

_delegateFlags.delegateNeededDefaultControls = [_delegate respondsToSelector:@selector(videoPlayerNodeNeededDefaultControls:)];

_delegateFlags.delegateCustomControls = [_delegate respondsToSelector:@selector(videoPlayerNodeCustomControls:)];

_delegateFlags.delegateSpinnerTintColor = [_delegate respondsToSelector:@selector(videoPlayerNodeSpinnerTint:)];

_delegateFlags.delegateScrubberMaximumTrackTintColor = [_delegate respondsToSelector:@selector(videoPlayerNodeScrubberMaximumTrackTint:)];

_delegateFlags.delegateScrubberMinimumTrackTintColor = [_delegate respondsToSelector:@selector(videoPlayerNodeScrubberMinimumTrackTint:)];

_delegateFlags.delegateScrubberThumbTintColor = [_delegate respondsToSelector:@selector(videoPlayerNodeScrubberThumbTint:)];

_delegateFlags.delegateScrubberThumbImage = [_delegate respondsToSelector:@selector(videoPlayerNodeScrubberThumbImage:)];

_delegateFlags.delegateTimeLabelAttributes = [_delegate respondsToSelector:@selector(videoPlayerNodeTimeLabelAttributes:timeLabelType:)];

_delegateFlags.delegateLayoutSpecForControls = [_delegate respondsToSelector:@selector(videoPlayerNodeLayoutSpec:forControls:forMaximumSize:)];

_delegateFlags.delegateVideoNodeDidPlayToTime = [_delegate respondsToSelector:@selector(videoPlayerNode:didPlayToTime:)];

_delegateFlags.delegateVideoNodeWillChangeState = [_delegate respondsToSelector:@selector(videoPlayerNode:willChangeVideoNodeState:toVideoNodeState:)];

_delegateFlags.delegateVideoNodePlaybackDidFinish = [_delegate respondsToSelector:@selector(videoPlayerNodeDidPlayToEnd:)];

_delegateFlags.delegateVideoNodeShouldChangeState = [_delegate respondsToSelector:@selector(videoPlayerNode:shouldChangeVideoNodeStateTo:)];

_delegateFlags.delegateTimeLabelAttributedString = [_delegate respondsToSelector:@selector(videoPlayerNode:timeStringForTimeLabelType:forTime:)];

_delegateFlags.delegatePlaybackButtonTint = [_delegate respondsToSelector:@selector(videoPlayerNodePlaybackButtonTint:)];

_delegateFlags.delegateDidTapVideoPlayerNode = [_delegate respondsToSelector:@selector(didTapVideoPlayerNode:)];

_delegateFlags.delegateVideoPlayerNodeDidSetCurrentItem = [_delegate respondsToSelector:@selector(videoPlayerNode:didSetCurrentItem:)];

_delegateFlags.delegateVideoPlayerNodeDidStallAtTimeInterval = [_delegate respondsToSelector:@selector(videoPlayerNode:didStallAtTimeInterval:)];

_delegateFlags.delegateVideoPlayerNodeDidStartInitialLoading = [_delegate respondsToSelector:@selector(videoPlayerNodeDidStartInitialLoading:)];

_delegateFlags.delegateVideoPlayerNodeDidFinishInitialLoading = [_delegate respondsToSelector:@selector(videoPlayerNodeDidFinishInitialLoading:)];

_delegateFlags.delegateVideoPlayerNodeDidRecoverFromStall = [_delegate respondsToSelector:@selector(videoPlayerNodeDidRecoverFromStall:)];

}

}

- (void)setControlsDisabled:(BOOL)controlsDisabled

{

if (_controlsDisabled == controlsDisabled) {

return;

}

_controlsDisabled = controlsDisabled;

if (_controlsDisabled && _cachedControls.count > 0) {

[self removeControls];

} else if (!_controlsDisabled) {

[self createControls];

}

}

- (void)setShouldAutoPlay:(BOOL)shouldAutoPlay

{

if (_shouldAutoPlay == shouldAutoPlay) {

return;

}

_shouldAutoPlay = shouldAutoPlay;

_videoNode.shouldAutoplay = _shouldAutoPlay;

}

- (void)setShouldAutoRepeat:(BOOL)shouldAutoRepeat

{

if (_shouldAutoRepeat == shouldAutoRepeat) {

return;

}

_shouldAutoRepeat = shouldAutoRepeat;

_videoNode.shouldAutorepeat = _shouldAutoRepeat;

}

- (void)setMuted:(BOOL)muted

{

if (_muted == muted) {

return;

}

_muted = muted;

_videoNode.muted = _muted;

}

- (void)setPeriodicTimeObserverTimescale:(int32_t)periodicTimeObserverTimescale

{

if (_periodicTimeObserverTimescale == periodicTimeObserverTimescale) {

return;

}

_periodicTimeObserverTimescale = periodicTimeObserverTimescale;

_videoNode.periodicTimeObserverTimescale = _periodicTimeObserverTimescale;

}

- (NSString *)gravity

{

if (_gravity == nil) {

_gravity = _videoNode.gravity;

}

return _gravity;

}

- (void)setGravity:(NSString *)gravity

{

if (_gravity == gravity) {

return;

}

_gravity = gravity;

_videoNode.gravity = _gravity;

}

- (ASVideoNodePlayerState)playerState

{

return _videoNode.playerState;

}

- (BOOL)shouldAggressivelyRecoverFromStall

{

return _videoNode.shouldAggressivelyRecoverFromStall;

}

- (void) setPlaceholderImageURL:(NSURL *)placeholderImageURL

{

_videoNode.URL = placeholderImageURL;

}

- (NSURL*) placeholderImageURL

{

return _videoNode.URL;

}

- (void)setShouldAggressivelyRecoverFromStall:(BOOL)shouldAggressivelyRecoverFromStall

{

if (_shouldAggressivelyRecoverFromStall == shouldAggressivelyRecoverFromStall) {

return;

}

_shouldAggressivelyRecoverFromStall = shouldAggressivelyRecoverFromStall;

_videoNode.shouldAggressivelyRecoverFromStall = _shouldAggressivelyRecoverFromStall;

}

#pragma mark - Helpers

- (NSString *)timeStringForCMTime:(CMTime)time forTimeLabelType:(ASVideoPlayerNodeControlType)type

{

if (_delegateFlags.delegateTimeLabelAttributedString) {

return [_delegate videoPlayerNode:self timeStringForTimeLabelType:type forTime:time];

}

NSUInteger dTotalSeconds = CMTimeGetSeconds(time);

NSUInteger dHours = floor(dTotalSeconds / 3600);

NSUInteger dMinutes = floor(dTotalSeconds % 3600 / 60);

NSUInteger dSeconds = floor(dTotalSeconds % 3600 % 60);

NSString *videoDurationText;

if (dHours > 0) {

videoDurationText = [NSString stringWithFormat:@"%i:%02i:%02i", (int)dHours, (int)dMinutes, (int)dSeconds];

} else {

videoDurationText = [NSString stringWithFormat:@"%02i:%02i", (int)dMinutes, (int)dSeconds];

}

return videoDurationText;

}