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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>201806</bug_id>
          
          <creation_ts>2019-09-15 11:10:54 -0700</creation_ts>
          <short_desc>REGRESSION (r229419): Missing call to [self init] in -[WebScrollbarPartAnimation initWithScrollbar:featureToAnimate:animateFrom:animateTo:duration:]</short_desc>
          <delta_ts>2019-09-15 14:43:35 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Scrolling</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=183291</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="David Kilzer (:ddkilzer)">ddkilzer</reporter>
          <assigned_to name="David Kilzer (:ddkilzer)">ddkilzer</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>dino</cc>
    
    <cc>pvollan</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>thorton</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1570954</commentid>
    <comment_count>0</comment_count>
    <who name="David Kilzer (:ddkilzer)">ddkilzer</who>
    <bug_when>2019-09-15 11:10:54 -0700</bug_when>
    <thetext>Missing call to [self init] in -[WebScrollbarPartAnimation initWithScrollbar:featureToAnimate:animateFrom:animateTo:duration:].

- (id)initWithScrollbar:(Scrollbar*)scrollbar featureToAnimate:(FeatureToAnimate)featureToAnimate animateFrom:(CGFloat)startValue animateTo:(CGFloat)endValue duration:(NSTimeInterval)duration
{
#if !ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
    self = [super initWithDuration:duration animationCurve:NSAnimationEaseInOut];
    if (!self)
        return nil;
#else
    // FIXME: Missing call to [self init] here!
    const NSTimeInterval timeInterval = 0.01;
    _timer = adoptNS([[NSTimer alloc] initWithFireDate:[NSDate dateWithTimeIntervalSinceNow:0] interval:timeInterval target:self selector:@selector(setCurrentProgress:) userInfo:nil repeats:YES]);
    _duration = duration;
    _timingFunction = CubicBezierTimingFunction::create(CubicBezierTimingFunction::EaseInOut);
#endif

    [...]

    return self;
}

&lt;https://trac.webkit.org/browser/webkit/trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm#L317&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1570955</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-09-15 11:11:05 -0700</bug_when>
    <thetext>&lt;rdar://problem/55380741&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1570956</commentid>
    <comment_count>2</comment_count>
      <attachid>378817</attachid>
    <who name="David Kilzer (:ddkilzer)">ddkilzer</who>
    <bug_when>2019-09-15 11:14:04 -0700</bug_when>
    <thetext>Created attachment 378817
Patch v1</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1570957</commentid>
    <comment_count>3</comment_count>
      <attachid>378817</attachid>
    <who name="David Kilzer (:ddkilzer)">ddkilzer</who>
    <bug_when>2019-09-15 11:20:00 -0700</bug_when>
    <thetext>Comment on attachment 378817
Patch v1

View in context: https://bugs.webkit.org/attachment.cgi?id=378817&amp;action=review

&gt; Source/WebCore/platform/mac/ScrollAnimatorMac.mm:326
&gt; +    self = [super init];
&gt; +    if (!self)
&gt; +        return nil;

Note that I chose to use plain old -init due to this class inheriting from NSObject:

#if !ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
@interface WebScrollbarPartAnimation : NSAnimation
#else
@interface WebScrollbarPartAnimation : NSObject
#endif</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1570972</commentid>
    <comment_count>4</comment_count>
      <attachid>378817</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-15 14:43:33 -0700</bug_when>
    <thetext>Comment on attachment 378817
Patch v1

Clearing flags on attachment: 378817

Committed r249887: &lt;https://trac.webkit.org/changeset/249887&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1570973</commentid>
    <comment_count>5</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-15 14:43:35 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
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            <attachid>378817</attachid>
            <date>2019-09-15 11:14:04 -0700</date>
            <delta_ts>2019-09-15 14:43:33 -0700</delta_ts>
            <desc>Patch v1</desc>
            <filename>bug-201806-20190915111530.patch</filename>
            <type>text/plain</type>
            <size>1684</size>
            <attacher name="David Kilzer (:ddkilzer)">ddkilzer</attacher>
            
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    </bug>

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