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Add support for Querying and Setting the Playback Timestamp in PINAnimatedImageView #623

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Add support for Querying and Setting the Playback Timestamp in PINAnimatedImageView #623

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a26699e
Add support for querying and setting the playback position in a playi…
kylehowells Oct 14, 2022
a606ac7
Update PINAnimatedImageView.h
kylehowells Oct 14, 2022
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35 changes: 35 additions & 0 deletions Source/Classes/AnimatedImages/PINAnimatedImageView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ @interface PINAnimatedImageView ()

@end


@implementation PINAnimatedImageView

@synthesize animatedImage = _animatedImage;
Expand Down Expand Up @@ -106,6 +107,13 @@ - (void)dealloc

#pragma mark - Public

-(void)setAnimatedImage:(PINCachedAnimatedImage*)image atTimestamp:(CFTimeInterval)newTimestamp
{
[self setAnimatedImage:image];

[self setCurrentTimestamp:newTimestamp];
}

- (void)setAnimatedImage:(PINCachedAnimatedImage *)animatedImage
{
PINAssertMain();
Expand Down Expand Up @@ -190,12 +198,39 @@ - (void)setCoverImage:(PINImage *)coverImage
_frameImage = CGImageRetain([coverImage CGImage]);
}

-(CFTimeInterval)lastDisplayedTimestamp
{
return _playHead;
}

-(void)setCurrentTimestamp:(CFTimeInterval)newTimestamp
{
if (_displayLink == nil) {
[self startAnimating];

_playHead = newTimestamp;
}
else {
// Reset
_displayLink.paused = YES;
_displayLink.paused = NO;

_lastDisplayLinkFire = 0;
_playedLoops = 0;

_playHead = newTimestamp;

[self displayLinkFired:_displayLink];
}
}

#pragma mark - Animating

- (void)checkIfShouldAnimate
{
PINAssertMain();
BOOL shouldAnimate = _playbackPaused == NO && _animatedImage.playbackReady && [self canBeVisible];

if (shouldAnimate) {
[self startAnimating];
} else {
Expand Down
6 changes: 6 additions & 0 deletions Source/Classes/include/PINAnimatedImageView.h
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Expand Up @@ -25,4 +25,10 @@
@property (nullable, nonatomic, strong) NSString *animatedImageRunLoopMode;
@property (nonatomic, assign, getter=isPlaybackPaused) BOOL playbackPaused;

@property (nonatomic, readonly) CFTimeInterval lastDisplayedTimestamp;

-(void)setCurrentTimestamp:(CFTimeInterval)newTimestamp;

-(void)setAnimatedImage:(nullable PINCachedAnimatedImage*)image atTimestamp:(CFTimeInterval)newTimestamp;

@end