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Change placeholder boolean to time interval

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This commit is contained in:
Ryan Nystrom
2015-02-23 14:01:17 -08:00
parent 203d500416
commit 5d76d6649f
4 changed files with 26 additions and 11 deletions
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10
AsyncDisplayKit/ASDisplayNode.h
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@@ -332,11 +332,11 @@ typedef CALayer *(^ASDisplayNodeLayerBlock)();
@property (nonatomic, assign) BOOL placeholderEnabled; @property (nonatomic, assign) BOOL placeholderEnabled;
/** /**
* @abstract Toggle to fade-out the placeholder when a node's contents are finished displaying. * @abstract Set the time it takes to fade out the placeholder when a node's contents are finished displaying.
* *
* @discussion Defaults to NO. * @discussion Defaults to 0 seconds.
*/ */
@property (nonatomic, assign) BOOL placeholderFadesOut; @property (nonatomic, assign) NSTimeInterval placeholderFadeDuration;
/** @name Hit Testing */ /** @name Hit Testing */
@@ -536,3 +536,7 @@ typedef CALayer *(^ASDisplayNodeLayerBlock)();
*/ */
- (void)addSubnode:(ASDisplayNode *)node; - (void)addSubnode:(ASDisplayNode *)node;
@end @end
@interface ASDisplayNode (Deprecated)
@property (nonatomic, assign) BOOL placeholderFadesOut ASDISPLAYNODE_DEPRECATED;
@end

21
AsyncDisplayKit/ASDisplayNode.mm
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@@ -124,8 +124,6 @@ void ASDisplayNodePerformBlockOnMainThread(void (^block)())
_flags.implementsImageDisplay = ([[self class] respondsToSelector:@selector(displayWithParameters:isCancelled:)] ? 1 : 0); _flags.implementsImageDisplay = ([[self class] respondsToSelector:@selector(displayWithParameters:isCancelled:)] ? 1 : 0);
_flags.implementsDrawParameters = ([self respondsToSelector:@selector(drawParametersForAsyncLayer:)] ? 1 : 0); _flags.implementsDrawParameters = ([self respondsToSelector:@selector(drawParametersForAsyncLayer:)] ? 1 : 0);
_fadeAnimationDuration = 0.1;
ASDisplayNodeMethodOverrides overrides = ASDisplayNodeMethodOverrideNone; ASDisplayNodeMethodOverrides overrides = ASDisplayNodeMethodOverrideNone;
if (ASDisplayNodeSubclassOverridesSelector([self class], @selector(touchesBegan:withEvent:))) { if (ASDisplayNodeSubclassOverridesSelector([self class], @selector(touchesBegan:withEvent:))) {
overrides |= ASDisplayNodeMethodOverrideTouchesBegan; overrides |= ASDisplayNodeMethodOverrideTouchesBegan;
@@ -1235,10 +1233,10 @@ static NSInteger incrementIfFound(NSInteger i) {
[self _tearDownPlaceholderLayer]; [self _tearDownPlaceholderLayer];
}; };
if (self.placeholderFadesOut) { if (_placeholderFadeDuration > 0.0) {
[CATransaction begin]; [CATransaction begin];
[CATransaction setCompletionBlock:cleanupBlock]; [CATransaction setCompletionBlock:cleanupBlock];
[CATransaction setAnimationDuration:_fadeAnimationDuration]; [CATransaction setAnimationDuration:_placeholderFadeDuration];
_placeholderLayer.opacity = 0.0; _placeholderLayer.opacity = 0.0;
[CATransaction commit]; [CATransaction commit];
} else { } else {
@@ -1774,3 +1772,18 @@ static const char *ASDisplayNodeAssociatedNodeKey = "ASAssociatedNode";
} }
@end @end
@implementation ASDisplayNode (Deprecated)
- (void)setPlaceholderFadesOut:(BOOL)placeholderFadesOut
{
self.placeholderFadeDuration = placeholderFadesOut ? 0.1 : 0.0;
}
- (BOOL)placeholderFadesOut
{
return self.placeholderFadeDuration > 0.0;
}
@end

2
AsyncDisplayKit/Private/ASDisplayNodeInternal.h
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@@ -71,8 +71,6 @@ typedef NS_OPTIONS(NSUInteger, ASDisplayNodeMethodOverrides) {
_ASPendingState *_pendingViewState; _ASPendingState *_pendingViewState;
NSTimeInterval _fadeAnimationDuration;
struct { struct {
// public properties // public properties
unsigned synchronous:1; unsigned synchronous:1;

2
examples/Placeholders/Sample/SlowpokeImageNode.m
View File

@@ -28,7 +28,7 @@ static CGFloat const kASDKLogoAspectRatio = 2.79;
{ {
if (self = [super init]) { if (self = [super init]) {
self.placeholderEnabled = YES; self.placeholderEnabled = YES;
self.placeholderFadesOut = YES; self.placeholderFadeDuration = 0.1;
} }
return self; return self;
} }