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25B171EA1C12242700508A7A /* Data Controller */, - 81EE384D1C8E94F000456208 /* ASRunLoopQueue.h */, - 81EE384E1C8E94F000456208 /* ASRunLoopQueue.mm */, - CC7FD9DC1BB5E962005CCB2B /* ASPhotosFrameworkImageRequest.h */, - CC7FD9DD1BB5E962005CCB2B /* ASPhotosFrameworkImageRequest.m */, - 251B8EF41BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.h */, - 251B8EF51BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.m */, - 251B8EF61BBB3D690087C538 /* ASDataController+Subclasses.h */, 058D09E2195D050800B7D73C /* _ASDisplayLayer.h */, 058D09E3195D050800B7D73C /* _ASDisplayLayer.mm */, 058D09E4195D050800B7D73C /* _ASDisplayView.h */, @@ -1134,31 +1129,41 @@ 054963481A1EA066000F8E56 /* ASBasicImageDownloader.mm */, 299DA1A71A828D2900162D41 /* ASBatchContext.h */, 299DA1A81A828D2900162D41 /* ASBatchContext.mm */, + 251B8EF41BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.h */, + 251B8EF51BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.m */, 205F0E1B1B373A2C007741D0 /* ASCollectionViewLayoutController.h */, 205F0E1C1B373A2C007741D0 /* ASCollectionViewLayoutController.mm */, + 251B8EF61BBB3D690087C538 /* ASDataController+Subclasses.h */, 05A6D05819D0EB64002DD95E /* ASDealloc2MainObject.h */, 05A6D05919D0EB64002DD95E /* ASDealloc2MainObject.m */, + 698548611CA9E025008A345F /* ASEnvironment.h */, + 698548621CA9E025008A345F /* ASEnvironment.m */, 4640521B1A3F83C40061C0BA /* ASFlowLayoutController.h */, 4640521C1A3F83C40061C0BA /* ASFlowLayoutController.mm */, 058D09E6195D050800B7D73C /* ASHighlightOverlayLayer.h */, 058D09E7195D050800B7D73C /* ASHighlightOverlayLayer.mm */, + 05F20AA31A15733C00DCA68A /* ASImageProtocols.h */, 430E7C8D1B4C23F100697A4C /* ASIndexPath.h */, 430E7C8E1B4C23F100697A4C /* ASIndexPath.m */, - 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DB55C25F1C6408D6004EDCF5 /* _ASTransitionContext.h */, - DB55C2601C6408D6004EDCF5 /* _ASTransitionContext.m */, - CC3B20811C3F76D600798563 /* ASPendingStateController.h */, - CC3B20821C3F76D600798563 /* ASPendingStateController.mm */, - CC3B20871C3F7A5400798563 /* ASWeakSet.h */, - CC3B20881C3F7A5400798563 /* ASWeakSet.m */, - AC026B6D1BD57DBF00BBC17E /* _ASHierarchyChangeSet.h */, - AC026B6E1BD57DBF00BBC17E /* _ASHierarchyChangeSet.m */, - 9C65A7291BA8EA4D0084DA91 /* ASLayoutOptionsPrivate.h */, - 9C8221931BA237B80037F19A /* ASStackBaselinePositionedLayout.h */, - 9C8221941BA237B80037F19A /* ASStackBaselinePositionedLayout.mm */, - 2967F9E11AB0A4CF0072E4AB /* ASBasicImageDownloaderInternal.h */, 058D0A02195D050800B7D73C /* _AS-objc-internal.h */, 058D0A03195D050800B7D73C /* _ASCoreAnimationExtras.h */, 058D0A04195D050800B7D73C /* _ASCoreAnimationExtras.mm */, + AC026B6D1BD57DBF00BBC17E /* _ASHierarchyChangeSet.h */, + AC026B6E1BD57DBF00BBC17E /* _ASHierarchyChangeSet.m */, 058D0A05195D050800B7D73C /* _ASPendingState.h */, 058D0A06195D050800B7D73C /* _ASPendingState.mm */, 058D0A07195D050800B7D73C /* _ASScopeTimer.h */, - 058D0A08195D050800B7D73C /* ASDisplayNode+AsyncDisplay.mm */, + DB55C25F1C6408D6004EDCF5 /* _ASTransitionContext.h */, + DB55C2601C6408D6004EDCF5 /* _ASTransitionContext.m */, + 2967F9E11AB0A4CF0072E4AB /* ASBasicImageDownloaderInternal.h */, 044285051BAA63FE00D16268 /* ASBatchFetching.h */, 044285061BAA63FE00D16268 /* ASBatchFetching.m */, + AEB7B0181C5962EA00662EF4 /* ASDefaultPlayButton.h */, + AEB7B0191C5962EA00662EF4 /* ASDefaultPlayButton.m */, + 058D0A08195D050800B7D73C /* ASDisplayNode+AsyncDisplay.mm */, 058D0A09195D050800B7D73C /* ASDisplayNode+DebugTiming.h */, 058D0A0A195D050800B7D73C /* ASDisplayNode+DebugTiming.mm */, - 058D0A0B195D050800B7D73C /* ASDisplayNode+UIViewBridge.mm */, DE6EA3211C14000600183B10 /* ASDisplayNode+FrameworkPrivate.h */, + 058D0A0B195D050800B7D73C /* ASDisplayNode+UIViewBridge.mm */, + 058D0A0C195D050800B7D73C /* ASDisplayNodeInternal.h */, E52405B41C8FEF16004DC8E7 /* ASDisplayNodeLayoutContext.h */, E52405B21C8FEF03004DC8E7 /* ASDisplayNodeLayoutContext.mm */, - 058D0A0C195D050800B7D73C /* ASDisplayNodeInternal.h */, + 69E100691CA89CB600D88C1B /* ASEnvironmentInternal.h */, + 69E1006A1CA89CB600D88C1B /* ASEnvironmentInternal.mm */, 058D0A0D195D050800B7D73C /* ASImageNode+CGExtras.h */, 058D0A0E195D050800B7D73C /* ASImageNode+CGExtras.m */, - 058D0A10195D050800B7D73C /* ASSentinel.h */, - 058D0A11195D050800B7D73C /* ASSentinel.m */, ACF6ED431B17847A00DA7C62 /* ASInternalHelpers.h */, ACF6ED441B17847A00DA7C62 /* ASInternalHelpers.mm */, ACF6ED451B17847A00DA7C62 /* ASLayoutSpecUtilities.h */, + 0442850B1BAA64EC00D16268 /* ASMultidimensionalArrayUtils.h */, + 0442850C1BAA64EC00D16268 /* ASMultidimensionalArrayUtils.mm */, + CC3B20811C3F76D600798563 /* ASPendingStateController.h */, + CC3B20821C3F76D600798563 /* ASPendingStateController.mm */, + 058D0A10195D050800B7D73C /* ASSentinel.h */, + 058D0A11195D050800B7D73C /* ASSentinel.m */, + 9C8221931BA237B80037F19A /* ASStackBaselinePositionedLayout.h */, + 9C8221941BA237B80037F19A /* ASStackBaselinePositionedLayout.mm */, ACF6ED461B17847A00DA7C62 /* ASStackLayoutSpecUtilities.h */, ACF6ED471B17847A00DA7C62 /* ASStackPositionedLayout.h */, ACF6ED481B17847A00DA7C62 /* ASStackPositionedLayout.mm */, ACF6ED491B17847A00DA7C62 /* ASStackUnpositionedLayout.h */, ACF6ED4A1B17847A00DA7C62 /* ASStackUnpositionedLayout.mm */, - 0442850B1BAA64EC00D16268 /* ASMultidimensionalArrayUtils.h */, - 0442850C1BAA64EC00D16268 /* ASMultidimensionalArrayUtils.mm */, - AEB7B0181C5962EA00662EF4 /* ASDefaultPlayButton.h */, - AEB7B0191C5962EA00662EF4 /* ASDefaultPlayButton.m */, + CC3B20871C3F7A5400798563 /* ASWeakSet.h */, + CC3B20881C3F7A5400798563 /* ASWeakSet.m */, DBC452D91C5BF64600B16017 /* NSArray+Diffing.h */, DBC452DA1C5BF64600B16017 /* NSArray+Diffing.m */, ); @@ -1314,14 +1320,13 @@ ACF6ED041B17843500DA7C62 /* ASCenterLayoutSpec.mm */, ACF6ED071B17843500DA7C62 /* ASDimension.h */, ACF6ED081B17843500DA7C62 /* ASDimension.mm */, - AC47D9431B3BB41900AAEE9D /* ASRelativeSize.h */, - AC47D9441B3BB41900AAEE9D /* ASRelativeSize.mm */, ACF6ED091B17843500DA7C62 /* ASInsetLayoutSpec.h */, ACF6ED0A1B17843500DA7C62 /* ASInsetLayoutSpec.mm */, ACF6ED0B1B17843500DA7C62 /* ASLayout.h */, ACF6ED0C1B17843500DA7C62 /* ASLayout.mm */, ACF6ED111B17843500DA7C62 /* ASLayoutable.h */, E55D86311CA8A14000A0C26F /* ASLayoutable.mm */, + 698C8B601CAB49FC0052DC3F /* ASLayoutableExtensibility.h */, 9CDC18CB1B910E12004965E2 /* ASLayoutablePrivate.h */, ACF6ED0D1B17843500DA7C62 /* ASLayoutSpec.h */, ACF6ED0E1B17843500DA7C62 /* ASLayoutSpec.mm */, @@ -1331,6 +1336,8 @@ ACF6ED151B17843500DA7C62 /* ASRatioLayoutSpec.mm */, 7A06A7391C35F08800FE8DAA /* ASRelativeLayoutSpec.h */, 7A06A7381C35F08800FE8DAA /* ASRelativeLayoutSpec.mm */, + AC47D9431B3BB41900AAEE9D /* ASRelativeSize.h */, + AC47D9441B3BB41900AAEE9D /* ASRelativeSize.mm */, 9C49C36E1B853957000B0DD5 /* ASStackLayoutable.h */, AC21EC0F1B3D0BF600C8B19A /* ASStackLayoutDefines.h */, ACF6ED161B17843500DA7C62 /* ASStackLayoutSpec.h */, @@ -1338,9 +1345,6 @@ 9C6BB3B01B8CC9C200F13F52 /* ASStaticLayoutable.h */, ACF6ED181B17843500DA7C62 /* ASStaticLayoutSpec.h */, ACF6ED191B17843500DA7C62 /* ASStaticLayoutSpec.mm */, - 9C5FA34F1B8F6ADF00A62714 /* ASLayoutOptions.h */, - 9C5FA3501B8F6ADF00A62714 /* ASLayoutOptions.mm */, - 9C5FA35C1B90C9A500A62714 /* ASLayoutOptionsPrivate.mm */, ); name = Layout; path = ..; @@ -1379,6 +1383,8 @@ isa = PBXHeadersBuildPhase; buildActionMask = 2147483647; files = ( + 698C8B611CAB49FC0052DC3F /* ASLayoutableExtensibility.h in Headers */, + 698548631CA9E025008A345F /* ASEnvironment.h in Headers */, E5711A2B1C840C81009619D4 /* ASIndexedNodeContext.h in Headers */, 257754C21BEE458E00737CA5 /* ASTextKitCoreTextAdditions.h in Headers */, A373200F1C571B730011FC94 /* ASTextNode+Beta.h in Headers */, @@ -1462,8 +1468,6 @@ 9CDC18CC1B910E12004965E2 /* ASLayoutablePrivate.h in Headers */, B0F8805A1BEAEC7500D17647 /* ASTableNode.h in Headers */, 464052241A3F83C40061C0BA /* ASLayoutController.h in Headers */, - 9C5FA3511B8F6ADF00A62714 /* ASLayoutOptions.h in Headers */, - 9C65A72A1BA8EA4D0084DA91 /* ASLayoutOptionsPrivate.h in Headers */, 292C599F1A956527007E5DD6 /* ASLayoutRangeType.h in Headers */, 257754B61BEE44CD00737CA5 /* ASEqualityHashHelpers.h in Headers */, ACF6ED261B17843500DA7C62 /* ASLayoutSpec.h in Headers */, @@ -1487,6 +1491,7 @@ 9C8221951BA237B80037F19A /* ASStackBaselinePositionedLayout.h in Headers */, 257754C31BEE458E00737CA5 /* ASTextNodeTypes.h in Headers */, 9C49C36F1B853957000B0DD5 /* ASStackLayoutable.h in Headers */, + 69E1006D1CA89CB600D88C1B /* ASEnvironmentInternal.h in Headers */, AC21EC101B3D0BF600C8B19A /* ASStackLayoutDefines.h in Headers */, CC7FD9DE1BB5E962005CCB2B /* ASPhotosFrameworkImageRequest.h in Headers */, ACF6ED2F1B17843500DA7C62 /* ASStackLayoutSpec.h in Headers */, @@ -1522,6 +1527,8 @@ isa = PBXHeadersBuildPhase; buildActionMask = 2147483647; files = ( + 698C8B621CAB49FC0052DC3F /* ASLayoutableExtensibility.h in Headers */, + 698548641CA9E025008A345F /* ASEnvironment.h in Headers */, AC026B6A1BD57D6F00BBC17E /* ASChangeSetDataController.h in Headers */, B35062481B010EFD0018CF92 /* _AS-objc-internal.h in Headers */, 69F10C871C84C35D0026140C /* ASRangeControllerUpdateRangeProtocol+Beta.h in Headers */, @@ -1598,8 +1605,6 @@ 34EFC7691B701CE100AD841F /* ASLayoutable.h in Headers */, 9CDC18CD1B910E12004965E2 /* ASLayoutablePrivate.h in Headers */, B35062201B010EFD0018CF92 /* ASLayoutController.h in Headers */, - 9C5FA3521B8F6ADF00A62714 /* ASLayoutOptions.h in Headers */, - 9C65A72B1BA8EA4D0084DA91 /* ASLayoutOptionsPrivate.h in Headers */, B35062211B010EFD0018CF92 /* ASLayoutRangeType.h in Headers */, 34EFC76A1B701CE600AD841F /* ASLayoutSpec.h in Headers */, 34EFC7791B701D3600AD841F /* ASLayoutSpecUtilities.h in Headers */, @@ -1640,6 +1645,7 @@ 92DD2FE81BF4D0A80074C9DD /* ASMapNode.h in Headers */, 044284FE1BAA387800D16268 /* ASStackLayoutSpecUtilities.h in Headers */, 34EFC7751B701D2400AD841F /* ASStackPositionedLayout.h in Headers */, + 69E1006E1CA89CB600D88C1B /* ASEnvironmentInternal.h in Headers */, 34EFC7771B701D2D00AD841F /* ASStackUnpositionedLayout.h in Headers */, 9C6BB3B31B8CC9C200F13F52 /* ASStaticLayoutable.h in Headers */, 34EFC7731B701D0700AD841F /* ASStaticLayoutSpec.h in Headers */, @@ -1873,6 +1879,7 @@ DBDB83961C6E879900D0098C /* ASPagerFlowLayout.m in Sources */, 058D0A26195D050800B7D73C /* _ASCoreAnimationExtras.mm in Sources */, 257754B41BEE44CD00737CA5 /* ASTextKitTailTruncater.mm in Sources */, + 69E1006F1CA89CB600D88C1B /* ASEnvironmentInternal.mm in Sources */, AC026B711BD57DBF00BBC17E /* _ASHierarchyChangeSet.m in Sources */, 257754BF1BEE458E00737CA5 /* ASTextKitCoreTextAdditions.m in Sources */, 058D0A18195D050800B7D73C /* _ASDisplayLayer.mm in Sources */, @@ -1916,10 +1923,9 @@ 430E7C911B4C23F100697A4C /* ASIndexPath.m in Sources */, ACF6ED231B17843500DA7C62 /* ASInsetLayoutSpec.mm in Sources */, ACF6ED4C1B17847A00DA7C62 /* ASInternalHelpers.mm in Sources */, + 698548651CA9E025008A345F /* ASEnvironment.m in Sources */, ACF6ED251B17843500DA7C62 /* ASLayout.mm in Sources */, DB55C2631C6408D6004EDCF5 /* _ASTransitionContext.m in Sources */, - 9C5FA3531B8F6ADF00A62714 /* ASLayoutOptions.mm in Sources */, - 9C5FA35F1B90C9A500A62714 /* ASLayoutOptionsPrivate.mm in Sources */, 251B8EFA1BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.m in Sources */, ACF6ED271B17843500DA7C62 /* ASLayoutSpec.mm in Sources */, 257754B01BEE44CD00737CA5 /* ASTextKitRenderer+TextChecking.mm in Sources */, @@ -2027,6 +2033,7 @@ B35062421B010EFD0018CF92 /* _ASAsyncTransactionGroup.m in Sources */, B350624A1B010EFD0018CF92 /* _ASCoreAnimationExtras.mm in Sources */, 68EE0DC01C1B4ED300BA1B99 /* ASMainSerialQueue.mm in Sources */, + 698548661CA9E025008A345F /* ASEnvironment.m in Sources */, 2767E9421BB19BD600EA9B77 /* ASViewController.m in Sources */, B35062101B010EFD0018CF92 /* _ASDisplayLayer.mm in Sources */, 9C55866B1BD54A1900B50E3A /* ASAsciiArtBoxCreator.m in Sources */, @@ -2056,6 +2063,7 @@ 636EA1A41C7FF4EC00EE152F /* NSArray+Diffing.m in Sources */, B35062501B010EFD0018CF92 /* ASDisplayNode+DebugTiming.mm in Sources */, DEC146B91C37A16A004A0EE7 /* ASCollectionInternal.m in Sources */, + 69E100701CA89CB600D88C1B /* ASEnvironmentInternal.mm in Sources */, 254C6B891BF94F8A003EC431 /* ASTextKitRenderer+Positioning.mm in Sources */, E5711A301C840C96009619D4 /* ASIndexedNodeContext.m in Sources */, B35062511B010EFD0018CF92 /* ASDisplayNode+UIViewBridge.mm in Sources */, @@ -2073,8 +2081,6 @@ 34EFC7601B701C8B00AD841F /* ASInsetLayoutSpec.mm in Sources */, 34EFC75E1B701BF000AD841F /* ASInternalHelpers.mm in Sources */, 34EFC7681B701CDE00AD841F /* ASLayout.mm in Sources */, - 9C5FA3541B8F6ADF00A62714 /* ASLayoutOptions.mm in Sources */, - 9C5FA3601B90C9A500A62714 /* ASLayoutOptionsPrivate.mm in Sources */, DECBD6EA1BE56E1900CF4905 /* ASButtonNode.mm in Sources */, 254C6B841BF94F8A003EC431 /* ASTextNodeWordKerner.m in Sources */, 34EFC76B1B701CEB00AD841F /* ASLayoutSpec.mm in Sources */, diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm index b08e64a2f9..0d0b362b85 100644 --- a/AsyncDisplayKit/ASDisplayNode.mm +++ b/AsyncDisplayKit/ASDisplayNode.mm @@ -10,7 +10,6 @@ #import "ASDisplayNode+Subclasses.h" #import "ASDisplayNode+FrameworkPrivate.h" #import "ASDisplayNode+Beta.h" -#import "ASLayoutOptionsPrivate.h" #import #import @@ -25,6 +24,7 @@ #import "ASDisplayNodeExtras.h" #import "ASEqualityHelpers.h" #import "ASRunLoopQueue.h" +#import "ASEnvironmentInternal.h" #import "ASInternalHelpers.h" #import "ASLayout.h" @@ -60,7 +60,7 @@ NSString * const ASRenderingEngineDidDisplayNodesScheduledBeforeTimestamp = @"AS @implementation ASDisplayNode // these dynamic properties all defined in ASLayoutOptionsPrivate.m -@dynamic spacingAfter, spacingBefore, flexGrow, flexShrink, flexBasis, alignSelf, ascender, descender, sizeRange, layoutPosition, layoutOptions; +@dynamic spacingAfter, spacingBefore, flexGrow, flexShrink, flexBasis, alignSelf, ascender, descender, sizeRange, layoutPosition; @synthesize name = _name; @synthesize preferredFrameSize = _preferredFrameSize; @synthesize isFinalLayoutable = _isFinalLayoutable; @@ -252,6 +252,8 @@ static ASDisplayNodeMethodOverrides GetASDisplayNodeMethodOverrides(Class c) _contentsScaleForDisplay = ASScreenScale(); _displaySentinel = [[ASSentinel alloc] init]; _preferredFrameSize = CGSizeZero; + + _environmentState = ASEnvironmentStateMakeDefault(); } - (id)init @@ -1700,6 +1702,10 @@ static NSInteger incrementIfFound(NSInteger i) { [self exitHierarchyState:stateToEnterOrExit]; } } + + if ([newSupernode supportsUpwardPropagation]) { + ASEnvironmentStatePropagateUp(newSupernode, _environmentState.layoutOptionsState); + } } // Track that a node will be displayed as part of the current node hierarchy. @@ -1854,6 +1860,7 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock) ASDN::MutexLocker l(_propertyLock); if (_methodOverrides & ASDisplayNodeMethodOverrideLayoutSpecThatFits) { ASLayoutSpec *layoutSpec = [self layoutSpecThatFits:constrainedSize]; + layoutSpec.parent = self; layoutSpec.isMutable = NO; ASLayout *layout = [layoutSpec measureWithSizeRange:constrainedSize]; // Make sure layoutableObject of the root layout is `self`, so that the flattened layout will be structurally correct. @@ -1918,6 +1925,7 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock) ASDN::MutexLocker l(_propertyLock); if (! CGSizeEqualToSize(_preferredFrameSize, preferredFrameSize)) { _preferredFrameSize = preferredFrameSize; + self.sizeRange = ASRelativeSizeRangeMake(ASRelativeSizeMakeWithCGSize(_preferredFrameSize), ASRelativeSizeMakeWithCGSize(_preferredFrameSize)); [self invalidateCalculatedLayout]; } } @@ -2666,6 +2674,37 @@ static const char *ASDisplayNodeDrawingPriorityKey = "ASDrawingPriority"; return self; } +#pragma mark - ASEnvironment + +- (ASEnvironmentState)environmentState +{ + return _environmentState; +} + +- (void)setEnvironmentState:(ASEnvironmentState)environmentState +{ + _environmentState = environmentState; +} + +- (ASDisplayNode *)parent +{ + return self.supernode; +} + +- (NSArray *)children +{ + return self.subnodes; +} + +- (BOOL)supportsUpwardPropagation +{ + return YES; +} + +ASEnvironmentLayoutOptionsForwarding +ASEnvironmentLayoutExtensibilityForwarding + + #if TARGET_OS_TV #pragma mark - UIFocusEnvironment Protocol (tvOS) diff --git a/AsyncDisplayKit/ASTextNode.mm b/AsyncDisplayKit/ASTextNode.mm index 41a31ca36b..8ec7a77a20 100644 --- a/AsyncDisplayKit/ASTextNode.mm +++ b/AsyncDisplayKit/ASTextNode.mm @@ -364,6 +364,12 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ]; } _attributedString = ASCleanseAttributedStringOfCoreTextAttributes(attributedString); + + if (_attributedString.length > 0) { + CGFloat screenScale = ASScreenScale(); + self.ascender = round([[_attributedString attribute:NSFontAttributeName atIndex:0 effectiveRange:NULL] ascender] * screenScale)/screenScale; + self.descender = round([[_attributedString attribute:NSFontAttributeName atIndex:_attributedString.length - 1 effectiveRange:NULL] descender] * screenScale)/screenScale; + } // Sync the truncation string with attributes from the updated _attributedString // Without this, the size calculation of the text with truncation applied will diff --git a/AsyncDisplayKit/AsyncDisplayKit.h b/AsyncDisplayKit/AsyncDisplayKit.h index 3447a741f7..54c34b5813 100644 --- a/AsyncDisplayKit/AsyncDisplayKit.h +++ b/AsyncDisplayKit/AsyncDisplayKit.h @@ -40,6 +40,7 @@ #import #import +#import #import #import #import @@ -67,7 +68,6 @@ #import #import #import -#import #import #import #import diff --git a/AsyncDisplayKit/Details/ASEnvironment.h b/AsyncDisplayKit/Details/ASEnvironment.h new file mode 100644 index 0000000000..20837d4aa4 --- /dev/null +++ b/AsyncDisplayKit/Details/ASEnvironment.h @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2014-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + */ + +#import + +#import "ASDimension.h" +#import "ASStackLayoutDefines.h" +#import "ASRelativeSize.h" + + +ASDISPLAYNODE_EXTERN_C_BEGIN +NS_ASSUME_NONNULL_BEGIN + +static const int kMaxEnvironmentStateBoolExtensions = 1; +static const int kMaxEnvironmentStateIntegerExtensions = 4; +static const int kMaxEnvironmentStateEdgeInsetExtensions = 1; + +#pragma mark - + +typedef struct ASEnvironmentStateExtensions { + // Values to store extensions + BOOL boolExtensions[kMaxEnvironmentStateBoolExtensions]; + NSInteger integerExtensions[kMaxEnvironmentStateIntegerExtensions]; + UIEdgeInsets edgeInsetsExtensions[kMaxEnvironmentStateEdgeInsetExtensions]; +} ASEnvironmentStateExtensions; + +#pragma mark - ASEnvironmentLayoutOptionsState + +typedef struct ASEnvironmentLayoutOptionsState { + CGFloat spacingBefore;// = 0; + CGFloat spacingAfter;// = 0; + BOOL flexGrow;// = NO; + BOOL flexShrink;// = NO; + ASRelativeDimension flexBasis;// = ASRelativeDimensionUnconstrained; + ASStackLayoutAlignSelf alignSelf;// = ASStackLayoutAlignSelfAuto; + CGFloat ascender;// = 0; + CGFloat descender;// = 0; + + ASRelativeSizeRange sizeRange;// = ASRelativeSizeRangeMake(ASRelativeSizeMakeWithCGSize(CGSizeZero), ASRelativeSizeMakeWithCGSize(CGSizeZero));; + CGPoint layoutPosition;// = CGPointZero; + + ASEnvironmentStateExtensions _extensions; +} ASEnvironmentLayoutOptionsState; + + +#pragma mark - ASEnvironmentHierarchyState + +typedef struct ASEnvironmentHierarchyState { + unsigned rasterized:1; // = NO + unsigned rangeManaged:1; // = NO + unsigned transitioningSupernodes:1; // = NO + unsigned layoutPending:1; // = NO +} ASEnvironmentHierarchyState; + + +#pragma mark - ASEnvironmentState + +typedef struct ASEnvironmentState { + struct ASEnvironmentHierarchyState hierarchyState; + struct ASEnvironmentLayoutOptionsState layoutOptionsState; +} ASEnvironmentState; +extern ASEnvironmentState ASEnvironmentStateMakeDefault(); + +ASDISPLAYNODE_EXTERN_C_END + + +#pragma mark - ASEnvironment + +/** + * ASEnvironment allows objects that conform to the ASEnvironment protocol to be able to propagate specific States + * defined in an ASEnvironmentState up and down the ASEnvironment tree. To be able to define how merges of + * States should happen, specific merge functions can be provided + */ +@protocol ASEnvironment + +/// The environment collection of an object which class conforms to the ASEnvironment protocol +- (ASEnvironmentState)environmentState; +- (void)setEnvironmentState:(ASEnvironmentState)environmentState; + +/// Returns the parent of an object which class conforms to the ASEnvironment protocol +- (id _Nullable)parent; + +/// Returns all children of an object which class conforms to the ASEnvironment protocol +- (NSArray> *)children; + +/// Classes should implement this method and return YES / NO dependent if upward propagation is enabled or not +- (BOOL)supportsUpwardPropagation; + +@end + +NS_ASSUME_NONNULL_END \ No newline at end of file diff --git a/AsyncDisplayKit/Details/ASEnvironment.m b/AsyncDisplayKit/Details/ASEnvironment.m new file mode 100644 index 0000000000..f3b2039f8f --- /dev/null +++ b/AsyncDisplayKit/Details/ASEnvironment.m @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2014-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + */ + +#import "ASEnvironment.h" + +ASEnvironmentLayoutOptionsState _ASEnvironmentLayoutOptionsStateMakeDefault() +{ + return (ASEnvironmentLayoutOptionsState) { + // Default values can be defined in here + }; +} + +ASEnvironmentHierarchyState _ASEnvironmentHierarchyStateMakeDefault() +{ + return (ASEnvironmentHierarchyState) { + // Default values can be defined in here + }; +} + +ASEnvironmentState ASEnvironmentStateMakeDefault() +{ + return (ASEnvironmentState) { + .layoutOptionsState = _ASEnvironmentLayoutOptionsStateMakeDefault(), + .hierarchyState = _ASEnvironmentHierarchyStateMakeDefault() + }; +} \ No newline at end of file diff --git a/AsyncDisplayKit/Layout/ASLayoutOptions.h b/AsyncDisplayKit/Layout/ASLayoutOptions.h deleted file mode 100644 index fbc50bf8e3..0000000000 --- a/AsyncDisplayKit/Layout/ASLayoutOptions.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright (c) 2014-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -#import -#import -#import - -NS_ASSUME_NONNULL_BEGIN - -@protocol ASLayoutable; - -/** - * A store for all of the options defined by ASLayoutSpec subclasses. All implementors of ASLayoutable own a - * ASLayoutOptions. When certain layoutSpecs need option values, they are read from this class. - * - * Unless you wish to create a custom layout spec, ASLayoutOptions can largely be ignored. Instead you can access - * the layout option properties exposed in ASLayoutable directly, which will set the values in ASLayoutOptions - * behind the scenes. - */ -@interface ASLayoutOptions : NSObject - -/** - * Sets the class name for the ASLayoutOptions subclasses that will be created when a node or layoutSpec's options - * are first accessed. - * - * If you create a custom layoutSpec that includes new options, you will want to subclass ASLayoutOptions to add - * the new layout options for your layoutSpec(s). In order to make sure your subclass is created instead of an - * instance of ASLayoutOptions, call setDefaultLayoutOptionsClass: early in app launch (applicationDidFinishLaunching:) - * with your subclass's class. - * - * @param defaultLayoutOptionsClass The class of ASLayoutOptions that will be lazily created for a node or layout spec. - */ -+ (void)setDefaultLayoutOptionsClass:(Class)defaultLayoutOptionsClass; - -/** - * @return the Class of ASLayoutOptions that will be created for a node or layoutspec. Defaults to [ASLayoutOptions class]; - */ -+ (Class)defaultLayoutOptionsClass; - -#pragma mark - Subclasses should implement these! -/** - * Initializes a new ASLayoutOptions using the given layoutable to assign any intrinsic option values. - * This init function sets a sensible default value for each layout option. If you create a subclass of - * ASLayoutOptions, your subclass should do the same. - * - * @param layoutable The layoutable that will own these options. The layoutable will be used to set any intrinsic - * layoutOptions. For example, if the layoutable is an ASTextNode the ascender/descender values will get set. - * - * @return a new instance of ASLayoutOptions - */ -- (instancetype)initWithLayoutable:(id)layoutable; - -/** - * Copies the values of layoutOptions into self. This is useful when placing a layoutable inside of another. Consider - * an ASTextNode that you want to align to the baseline by putting it in an ASStackLayoutSpec. Before that, you want - * to inset the ASTextNode by placing it in an ASInsetLayoutSpec. An ASInsetLayoutSpec will not have any information - * about the ASTextNode's ascender/descender unless we copy over the layout options from ASTextNode to ASInsetLayoutSpec. - * This is done automatically and should not need to be called directly. It is listed here to make sure that any - * ASLayoutOptions subclass implements the method. - * - * @param layoutOptions The layoutOptions to copy from - */ -- (void)copyFromOptions:(ASLayoutOptions *)layoutOptions; - -#pragma mark - ASStackLayoutable - -@property (nonatomic, readwrite) CGFloat spacingBefore; -@property (nonatomic, readwrite) CGFloat spacingAfter; -@property (nonatomic, readwrite) BOOL flexGrow; -@property (nonatomic, readwrite) BOOL flexShrink; -@property (nonatomic, readwrite) ASRelativeDimension flexBasis; -@property (nonatomic, readwrite) ASStackLayoutAlignSelf alignSelf; -@property (nonatomic, readwrite) CGFloat ascender; -@property (nonatomic, readwrite) CGFloat descender; - -#pragma mark - ASStaticLayoutable - -@property (nonatomic, readwrite) ASRelativeSizeRange sizeRange; -@property (nonatomic, readwrite) CGPoint layoutPosition; - -@end - -NS_ASSUME_NONNULL_END - diff --git a/AsyncDisplayKit/Layout/ASLayoutOptions.mm b/AsyncDisplayKit/Layout/ASLayoutOptions.mm deleted file mode 100644 index ad503014bf..0000000000 --- a/AsyncDisplayKit/Layout/ASLayoutOptions.mm +++ /dev/null @@ -1,263 +0,0 @@ -/* - * Copyright (c) 2014-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -#import "ASLayoutOptions.h" - -#import -#import -#import -#import "ASInternalHelpers.h" - -@interface ASLayoutOptions() -{ - ASDN::RecursiveMutex _propertyLock; -} -@end - -@implementation ASLayoutOptions - -@synthesize spacingBefore = _spacingBefore; -@synthesize spacingAfter = _spacingAfter; -@synthesize flexGrow = _flexGrow; -@synthesize flexShrink = _flexShrink; -@synthesize flexBasis = _flexBasis; -@synthesize alignSelf = _alignSelf; - -@synthesize ascender = _ascender; -@synthesize descender = _descender; - -@synthesize sizeRange = _sizeRange; -@synthesize layoutPosition = _layoutPosition; - -static Class gDefaultLayoutOptionsClass = nil; -+ (void)setDefaultLayoutOptionsClass:(Class)defaultLayoutOptionsClass -{ - gDefaultLayoutOptionsClass = defaultLayoutOptionsClass; -} - -+ (Class)defaultLayoutOptionsClass -{ - static dispatch_once_t onceToken; - dispatch_once(&onceToken, ^{ - if (gDefaultLayoutOptionsClass == nil) { - // If someone is asking for this and it hasn't been customized yet, use the default. - gDefaultLayoutOptionsClass = [ASLayoutOptions class]; - } - }); - return gDefaultLayoutOptionsClass; -} - -- (instancetype)init -{ - return nil; -} - -- (instancetype)initWithLayoutable:(id)layoutable -{ - self = [super init]; - if (self) { - - self.flexBasis = ASRelativeDimensionUnconstrained; - self.sizeRange = ASRelativeSizeRangeMake(ASRelativeSizeMakeWithCGSize(CGSizeZero), ASRelativeSizeMakeWithCGSize(CGSizeZero)); - self.layoutPosition = CGPointZero; - - // The following properties use a default value of 0 which we do not need to assign. - // self.spacingBefore = 0; - // self.spacingAfter = 0; - // self.flexGrow = NO; - // self.flexShrink = NO; - // self.alignSelf = ASStackLayoutAlignSelfAuto; - // self.ascender = 0; - // self.descender = 0; - - [self setValuesFromLayoutable:layoutable]; - } - return self; -} - -#pragma mark - NSCopying -- (id)copyWithZone:(NSZone *)zone -{ - ASLayoutOptions *copy = [[[self class] alloc] init]; - [copy copyFromOptions:self]; - return copy; -} - -- (void)copyFromOptions:(ASLayoutOptions *)layoutOptions -{ - ASDN::MutexLocker l(_propertyLock); - self.flexBasis = layoutOptions.flexBasis; - self.spacingAfter = layoutOptions.spacingAfter; - self.spacingBefore = layoutOptions.spacingBefore; - self.flexGrow = layoutOptions.flexGrow; - self.flexShrink = layoutOptions.flexShrink; - self.alignSelf = layoutOptions.alignSelf; - - self.ascender = layoutOptions.ascender; - self.descender = layoutOptions.descender; - - self.sizeRange = layoutOptions.sizeRange; - self.layoutPosition = layoutOptions.layoutPosition; -} - -/** - * Given an id, set up layout options that are intrinsically defined by the layoutable. - * - * While this could be done in the layoutable object itself, moving the logic into the ASLayoutOptions class - * allows a custom spec to set up defaults without needing to alter the layoutable itself. For example, - * image you were creating a custom baseline spec that needed ascender/descender. To assign values automatically - * when a text node's attribute string is set, you would need to subclass ASTextNode and assign the values in the - * override of setAttributeString. However, assigning the defaults in an ASLayoutOptions subclass's - * setValuesFromLayoutable allows you to create a custom spec without the need to create a - * subclass of ASTextNode. - * - * @param layoutable The layoutable object to inspect for default intrinsic layout option values - */ -- (void)setValuesFromLayoutable:(id)layoutable -{ - ASDN::MutexLocker l(_propertyLock); - if ([layoutable isKindOfClass:[ASDisplayNode class]]) { - ASDisplayNode *displayNode = (ASDisplayNode *)layoutable; - self.sizeRange = ASRelativeSizeRangeMake(ASRelativeSizeMakeWithCGSize(displayNode.preferredFrameSize), ASRelativeSizeMakeWithCGSize(displayNode.preferredFrameSize)); - - if ([layoutable isKindOfClass:[ASTextNode class]]) { - ASTextNode *textNode = (ASTextNode *)layoutable; - NSAttributedString *attributedString = textNode.attributedString; - if (attributedString.length > 0) { - CGFloat screenScale = ASScreenScale(); - self.ascender = round([[attributedString attribute:NSFontAttributeName atIndex:0 effectiveRange:NULL] ascender] * screenScale)/screenScale; - self.descender = round([[attributedString attribute:NSFontAttributeName atIndex:attributedString.length - 1 effectiveRange:NULL] descender] * screenScale)/screenScale; - } - } - - } -} - -- (CGFloat)spacingAfter -{ - ASDN::MutexLocker l(_propertyLock); - return _spacingAfter; -} - -- (void)setSpacingAfter:(CGFloat)spacingAfter -{ - ASDN::MutexLocker l(_propertyLock); - _spacingAfter = spacingAfter; -} - -- (CGFloat)spacingBefore -{ - ASDN::MutexLocker l(_propertyLock); - return _spacingBefore; -} - -- (void)setSpacingBefore:(CGFloat)spacingBefore -{ - ASDN::MutexLocker l(_propertyLock); - _spacingBefore = spacingBefore; -} - -- (BOOL)flexGrow -{ - ASDN::MutexLocker l(_propertyLock); - return _flexGrow; -} - -- (void)setFlexGrow:(BOOL)flexGrow -{ - ASDN::MutexLocker l(_propertyLock); - _flexGrow = flexGrow; -} - -- (BOOL)flexShrink -{ - ASDN::MutexLocker l(_propertyLock); - return _flexShrink; -} - -- (void)setFlexShrink:(BOOL)flexShrink -{ - ASDN::MutexLocker l(_propertyLock); - _flexShrink = flexShrink; -} - -- (ASRelativeDimension)flexBasis -{ - ASDN::MutexLocker l(_propertyLock); - return _flexBasis; -} - -- (void)setFlexBasis:(ASRelativeDimension)flexBasis -{ - ASDN::MutexLocker l(_propertyLock); - _flexBasis = flexBasis; -} - -- (ASStackLayoutAlignSelf)alignSelf -{ - ASDN::MutexLocker l(_propertyLock); - return _alignSelf; -} - -- (void)setAlignSelf:(ASStackLayoutAlignSelf)alignSelf -{ - ASDN::MutexLocker l(_propertyLock); - _alignSelf = alignSelf; -} - -- (CGFloat)ascender -{ - ASDN::MutexLocker l(_propertyLock); - return _ascender; -} - -- (void)setAscender:(CGFloat)ascender -{ - ASDN::MutexLocker l(_propertyLock); - _ascender = ascender; -} - -- (CGFloat)descender -{ - ASDN::MutexLocker l(_propertyLock); - return _descender; -} - -- (void)setDescender:(CGFloat)descender -{ - ASDN::MutexLocker l(_propertyLock); - _descender = descender; -} - -- (ASRelativeSizeRange)sizeRange -{ - ASDN::MutexLocker l(_propertyLock); - return _sizeRange; -} - -- (void)setSizeRange:(ASRelativeSizeRange)sizeRange -{ - ASDN::MutexLocker l(_propertyLock); - _sizeRange = sizeRange; -} - -- (CGPoint)layoutPosition -{ - ASDN::MutexLocker l(_propertyLock); - return _layoutPosition; -} - -- (void)setLayoutPosition:(CGPoint)layoutPosition -{ - ASDN::MutexLocker l(_propertyLock); - _layoutPosition = layoutPosition; -} - -@end diff --git a/AsyncDisplayKit/Layout/ASLayoutOptionsPrivate.mm b/AsyncDisplayKit/Layout/ASLayoutOptionsPrivate.mm deleted file mode 100644 index 334f42f1a5..0000000000 --- a/AsyncDisplayKit/Layout/ASLayoutOptionsPrivate.mm +++ /dev/null @@ -1,143 +0,0 @@ -/* - * Copyright (c) 2014-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -#import "ASLayoutOptionsPrivate.h" -#import - - -/** - * Both an ASDisplayNode and an ASLayoutSpec conform to ASLayoutable. There are several properties - * in ASLayoutable that are used as layoutOptions when a node or spec is used in a layout spec. - * These properties are provided for convenience, as they are forwards to the node or spec's - * ASLayoutOptions class. Instead of duplicating the property forwarding in both classes, we - * create a define that allows us to easily implement the forwards in one place. - * - * If you create a custom layout spec, we recommend this stragety if you decide to extend - * ASDisplayNode and ASLayoutSpec to provide convenience properties for any options that your - * layoutSpec may require. - */ -#define ASLayoutOptionsForwarding \ -- (ASLayoutOptions *)layoutOptions\ -{\ -ASDN::MutexLocker l(_layoutOptionsLock);\ -if (_layoutOptions == nil) {\ -_layoutOptions = [[[ASLayoutOptions defaultLayoutOptionsClass] alloc] initWithLayoutable:self];\ -}\ -return _layoutOptions;\ -}\ -\ -- (CGFloat)spacingBefore\ -{\ -return self.layoutOptions.spacingBefore;\ -}\ -\ -- (void)setSpacingBefore:(CGFloat)spacingBefore\ -{\ -self.layoutOptions.spacingBefore = spacingBefore;\ -}\ -\ -- (CGFloat)spacingAfter\ -{\ -return self.layoutOptions.spacingAfter;\ -}\ -\ -- (void)setSpacingAfter:(CGFloat)spacingAfter\ -{\ -self.layoutOptions.spacingAfter = spacingAfter;\ -}\ -\ -- (BOOL)flexGrow\ -{\ -return self.layoutOptions.flexGrow;\ -}\ -\ -- (void)setFlexGrow:(BOOL)flexGrow\ -{\ -self.layoutOptions.flexGrow = flexGrow;\ -}\ -\ -- (BOOL)flexShrink\ -{\ -return self.layoutOptions.flexShrink;\ -}\ -\ -- (void)setFlexShrink:(BOOL)flexShrink\ -{\ -self.layoutOptions.flexShrink = flexShrink;\ -}\ -\ -- (ASRelativeDimension)flexBasis\ -{\ -return self.layoutOptions.flexBasis;\ -}\ -\ -- (void)setFlexBasis:(ASRelativeDimension)flexBasis\ -{\ -self.layoutOptions.flexBasis = flexBasis;\ -}\ -\ -- (ASStackLayoutAlignSelf)alignSelf\ -{\ -return self.layoutOptions.alignSelf;\ -}\ -\ -- (void)setAlignSelf:(ASStackLayoutAlignSelf)alignSelf\ -{\ - self.layoutOptions.alignSelf = alignSelf;\ -}\ -\ -- (CGFloat)ascender\ -{\ - return self.layoutOptions.ascender;\ -}\ -\ -- (void)setAscender:(CGFloat)ascender\ -{\ - self.layoutOptions.ascender = ascender;\ -}\ -\ -- (CGFloat)descender\ -{\ - return self.layoutOptions.descender;\ -}\ -\ -- (void)setDescender:(CGFloat)descender\ -{\ - self.layoutOptions.descender = descender;\ -}\ -\ -- (ASRelativeSizeRange)sizeRange\ -{\ - return self.layoutOptions.sizeRange;\ -}\ -\ -- (void)setSizeRange:(ASRelativeSizeRange)sizeRange\ -{\ - self.layoutOptions.sizeRange = sizeRange;\ -}\ -\ -- (CGPoint)layoutPosition\ -{\ - return self.layoutOptions.layoutPosition;\ -}\ -\ -- (void)setLayoutPosition:(CGPoint)position\ -{\ - self.layoutOptions.layoutPosition = position;\ -}\ - - -@implementation ASDisplayNode(ASLayoutOptions) -ASLayoutOptionsForwarding -@end - -@implementation ASLayoutSpec(ASLayoutOptions) -ASLayoutOptionsForwarding -@end diff --git a/AsyncDisplayKit/Layout/ASLayoutSpec.h b/AsyncDisplayKit/Layout/ASLayoutSpec.h index 991c4224a7..dcb9b33246 100644 --- a/AsyncDisplayKit/Layout/ASLayoutSpec.h +++ b/AsyncDisplayKit/Layout/ASLayoutSpec.h @@ -25,6 +25,8 @@ NS_ASSUME_NONNULL_BEGIN - (instancetype)init; +@property (nullable, nonatomic, weak) id parent; + /** * Adds a child to this layout spec using a default identifier. * diff --git a/AsyncDisplayKit/Layout/ASLayoutSpec.mm b/AsyncDisplayKit/Layout/ASLayoutSpec.mm index abb428ebd1..c61e7a966f 100644 --- a/AsyncDisplayKit/Layout/ASLayoutSpec.mm +++ b/AsyncDisplayKit/Layout/ASLayoutSpec.mm @@ -8,29 +8,33 @@ * */ -#import "ASLayoutOptionsPrivate.h" +#import "ASLayoutSpec.h" #import "ASAssert.h" #import "ASBaseDefines.h" +#import "ASEnvironmentInternal.h" #import "ASInternalHelpers.h" #import "ASLayout.h" -#import "ASLayoutOptions.h" #import "ASThread.h" + #import static NSString * const kDefaultChildKey = @"kDefaultChildKey"; static NSString * const kDefaultChildrenKey = @"kDefaultChildrenKey"; -@interface ASLayoutSpec() +@interface ASLayoutSpec() { + ASEnvironmentState _environmentState; + ASDN::RecursiveMutex _propertyLock; +} @property (nonatomic, strong) NSMutableDictionary *layoutChildren; @end @implementation ASLayoutSpec // these dynamic properties all defined in ASLayoutOptionsPrivate.m -@dynamic spacingAfter, spacingBefore, flexGrow, flexShrink, flexBasis, alignSelf, ascender, descender, sizeRange, layoutPosition, layoutOptions; +@dynamic spacingAfter, spacingBefore, flexGrow, flexShrink, flexBasis, alignSelf, ascender, descender, sizeRange, layoutPosition; @synthesize layoutChildren = _layoutChildren; @synthesize isFinalLayoutable = _isFinalLayoutable; @@ -40,6 +44,8 @@ static NSString * const kDefaultChildrenKey = @"kDefaultChildrenKey"; return nil; } _isMutable = YES; + _environmentState = ASEnvironmentStateMakeDefault(); + return self; } @@ -75,7 +81,8 @@ static NSString * const kDefaultChildrenKey = @"kDefaultChildrenKey"; id finalLayoutable = [child finalLayoutable]; if (finalLayoutable != child) { - [finalLayoutable.layoutOptions copyFromOptions:child.layoutOptions]; + // Layout options state of child needs to be copied to final layoutable + finalLayoutable.environmentState.layoutOptionsState = child.environmentState.layoutOptionsState; return finalLayoutable; } } @@ -90,6 +97,15 @@ static NSString * const kDefaultChildrenKey = @"kDefaultChildrenKey"; return _layoutChildren; } +- (void)setParent:(id)parent +{ + _parent = parent; + + if ([parent supportsUpwardPropagation]) { + ASEnvironmentStatePropagateUp(parent, _environmentState.layoutOptionsState); + } +} + - (void)setChild:(id)child; { [self setChild:child forIdentifier:kDefaultChildKey]; @@ -98,7 +114,14 @@ static NSString * const kDefaultChildrenKey = @"kDefaultChildrenKey"; - (void)setChild:(id)child forIdentifier:(NSString *)identifier { ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable"); - self.layoutChildren[identifier] = [self layoutableToAddFromLayoutable:child];; + id finalLayoutable = [self layoutableToAddFromLayoutable:child]; + BOOL needsToPropagateLayoutOptionsState = (child != finalLayoutable); + self.layoutChildren[identifier] = finalLayoutable; + if (needsToPropagateLayoutOptionsState) { + // We only need to propagate up layout options in setChild: as up propagation is currently only supported for + // layout specification has with one child + [self propagateUpLayoutOptionsState]; + } } - (void)setChildren:(NSArray *)children @@ -128,6 +151,30 @@ static NSString * const kDefaultChildrenKey = @"kDefaultChildrenKey"; return self.layoutChildren[kDefaultChildrenKey]; } + +#pragma mark - ASEnvironment + +- (ASEnvironmentState)environmentState +{ + return _environmentState; +} + +- (void)setEnvironmentState:(ASEnvironmentState)environmentState +{ + _environmentState = environmentState; +} + +// Subclasses can override this method to return NO, because upward propagation is not enabled if a layout +// specification has more than one child. Currently ASStackLayoutSpec and ASStaticLayoutSpec are currently +// the specifications that are known to have more than one. +- (BOOL)supportsUpwardPropagation +{ + return YES; +} + +ASEnvironmentLayoutOptionsForwarding +ASEnvironmentLayoutExtensibilityForwarding + @end @implementation ASLayoutSpec (Debugging) diff --git a/AsyncDisplayKit/Layout/ASLayoutable.h b/AsyncDisplayKit/Layout/ASLayoutable.h index 121477b1f6..325a81535c 100644 --- a/AsyncDisplayKit/Layout/ASLayoutable.h +++ b/AsyncDisplayKit/Layout/ASLayoutable.h @@ -15,6 +15,8 @@ #import #import +#import +#import @class ASLayout; @class ASLayoutSpec; @@ -37,7 +39,7 @@ NS_ASSUME_NONNULL_BEGIN * access to the options via convenience properties. If you are creating custom layout spec, then you can * extend the backing layout options class to accommodate any new layout options. */ -@protocol ASLayoutable +@protocol ASLayoutable /** * @abstract Calculate a layout based on given size range. diff --git a/AsyncDisplayKit/Layout/ASLayoutable.mm b/AsyncDisplayKit/Layout/ASLayoutable.mm index 78aeb9bc12..23fd59e9ff 100644 --- a/AsyncDisplayKit/Layout/ASLayoutable.mm +++ b/AsyncDisplayKit/Layout/ASLayoutable.mm @@ -7,6 +7,12 @@ // #import "ASLayoutablePrivate.h" +#import "ASInternalHelpers.h" +#import "ASEnvironmentInternal.h" +#import "ASDisplayNodeInternal.h" +#import "ASTextNode.h" +#import "ASLayoutSpec.h" + #import "pthread.h" #import #import diff --git a/AsyncDisplayKit/Layout/ASLayoutableExtensibility.h b/AsyncDisplayKit/Layout/ASLayoutableExtensibility.h new file mode 100644 index 0000000000..c35d04f046 --- /dev/null +++ b/AsyncDisplayKit/Layout/ASLayoutableExtensibility.h @@ -0,0 +1,25 @@ +// +// ASLayoutableExtensibility.h +// AsyncDisplayKit +// +// Created by Michael Schneider on 3/29/16. +// Copyright © 2016 Facebook. All rights reserved. +// + +#import + +@protocol ASLayoutableExtensibility + +/// Currently up to 4 BOOL values +- (void)setLayoutOptionExtensionBool:(BOOL)value atIndex:(int)idx; +- (BOOL)layoutOptionExtensionBoolAtIndex:(int)idx; + +/// Currently up to 1 NSInteger value +- (void)setLayoutOptionExtensionInteger:(NSInteger)value atIndex:(int)idx; +- (NSInteger)layoutOptionExtensionIntegerAtIndex:(int)idx; + +/// Currently up to 1 UIEdgeInsets value +- (void)setLayoutOptionExtensionEdgeInsets:(UIEdgeInsets)value atIndex:(int)idx; +- (UIEdgeInsets)layoutOptionExtensionEdgeInsetsAtIndex:(int)idx; + +@end diff --git a/AsyncDisplayKit/Layout/ASLayoutablePrivate.h b/AsyncDisplayKit/Layout/ASLayoutablePrivate.h index 2ae509b621..ce2de20f6d 100644 --- a/AsyncDisplayKit/Layout/ASLayoutablePrivate.h +++ b/AsyncDisplayKit/Layout/ASLayoutablePrivate.h @@ -11,7 +11,6 @@ #import @class ASLayoutSpec; -@class ASLayoutOptions; @protocol ASLayoutable; struct ASLayoutableContext { @@ -60,9 +59,211 @@ extern void ASLayoutableClearCurrentContext(); */ @property (nonatomic, assign) BOOL isFinalLayoutable; +@end + + +#pragma mark - ASLayoutOptionsForwarding /** - * The class that holds all of the layoutOptions set on an ASLayoutable. + * Both an ASDisplayNode and an ASLayoutSpec conform to ASLayoutable. There are several properties + * in ASLayoutable that are used when a node or spec is used in a layout spec. + * These properties are provided for convenience, as they are forwards to the node or spec's + * properties. Instead of duplicating the property forwarding in both classes, we + * create a define that allows us to easily implement the forwards in one place. + * + * If you create a custom layout spec, we recommend this stragety if you decide to extend + * ASDisplayNode and ASLayoutSpec to provide convenience properties for any options that your + * layoutSpec may require. */ -@property (nonatomic, strong, readonly) ASLayoutOptions *layoutOptions; -@end + +#define ASEnvironmentLayoutOptionsForwarding \ +- (void)propagateUpLayoutOptionsState\ +{\ + id parent = [self parent];\ + if ([parent supportsUpwardPropagation]) {\ + ASEnvironmentStatePropagateUp(parent, _environmentState.layoutOptionsState);\ + }\ +}\ +\ +- (CGFloat)spacingAfter\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.spacingAfter;\ +}\ +\ +- (void)setSpacingAfter:(CGFloat)spacingAfter\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.spacingAfter = spacingAfter;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (CGFloat)spacingBefore\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.spacingBefore;\ +}\ +\ +- (void)setSpacingBefore:(CGFloat)spacingBefore\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.spacingBefore = spacingBefore;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (BOOL)flexGrow\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.flexGrow;\ +}\ +\ +- (void)setFlexGrow:(BOOL)flexGrow\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.flexGrow = flexGrow;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (BOOL)flexShrink\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.flexShrink;\ +}\ +\ +- (void)setFlexShrink:(BOOL)flexShrink\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.flexShrink = flexShrink;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (ASRelativeDimension)flexBasis\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.flexBasis;\ +}\ +\ +- (void)setFlexBasis:(ASRelativeDimension)flexBasis\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.flexBasis = flexBasis;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (ASStackLayoutAlignSelf)alignSelf\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.alignSelf;\ +}\ +\ +- (void)setAlignSelf:(ASStackLayoutAlignSelf)alignSelf\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.alignSelf = alignSelf;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (CGFloat)ascender\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.ascender;\ +}\ +\ +- (void)setAscender:(CGFloat)ascender\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.ascender = ascender;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (CGFloat)descender\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.descender;\ +}\ +\ +- (void)setDescender:(CGFloat)descender\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.descender = descender;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (ASRelativeSizeRange)sizeRange\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.sizeRange;\ +}\ +\ +- (void)setSizeRange:(ASRelativeSizeRange)sizeRange\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.sizeRange = sizeRange;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ +\ +- (CGPoint)layoutPosition\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _environmentState.layoutOptionsState.layoutPosition;\ +}\ +\ +- (void)setLayoutPosition:(CGPoint)layoutPosition\ +{\ + _propertyLock.lock();\ + _environmentState.layoutOptionsState.layoutPosition = layoutPosition;\ + [self propagateUpLayoutOptionsState];\ + _propertyLock.unlock();\ +}\ + + +#pragma mark - ASLayoutableExtensibility + +#define ASEnvironmentLayoutExtensibilityForwarding \ +- (void)setLayoutOptionExtensionBool:(BOOL)value atIndex:(int)idx\ +{\ + _propertyLock.lock();\ + _ASEnvironmentLayoutOptionsExtensionSetBoolAtIndex(self, idx, value);\ + _propertyLock.unlock();\ +}\ +\ +- (BOOL)layoutOptionExtensionBoolAtIndex:(int)idx\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _ASEnvironmentLayoutOptionsExtensionGetBoolAtIndex(self, idx);\ +}\ +\ +- (void)setLayoutOptionExtensionInteger:(NSInteger)value atIndex:(int)idx\ +{\ + _propertyLock.lock();\ + _ASEnvironmentLayoutOptionsExtensionSetIntegerAtIndex(self, idx, value);\ + _propertyLock.unlock();\ +}\ +\ +- (NSInteger)layoutOptionExtensionIntegerAtIndex:(int)idx\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _ASEnvironmentLayoutOptionsExtensionGetIntegerAtIndex(self, idx);\ +}\ +\ +- (void)setLayoutOptionExtensionEdgeInsets:(UIEdgeInsets)value atIndex:(int)idx\ +{\ + _propertyLock.lock();\ + _ASEnvironmentLayoutOptionsExtensionSetEdgeInsetsAtIndex(self, idx, value);\ + _propertyLock.unlock();\ +}\ +\ +- (UIEdgeInsets)layoutOptionExtensionEdgeInsetsAtIndex:(int)idx\ +{\ + ASDN::MutexLocker l(_propertyLock);\ + return _ASEnvironmentLayoutOptionsExtensionGetEdgeInsetsAtIndex(self, idx);\ +}\ diff --git a/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm b/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm index 76539bf57a..26b6d449c7 100644 --- a/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm +++ b/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm @@ -198,6 +198,15 @@ @end +@implementation ASStackLayoutSpec (ASEnvironment) + +- (BOOL)supportsUpwardPropagation +{ + return NO; +} + +@end + @implementation ASStackLayoutSpec (Debugging) #pragma mark - ASLayoutableAsciiArtProtocol diff --git a/AsyncDisplayKit/Layout/ASStaticLayoutSpec.mm b/AsyncDisplayKit/Layout/ASStaticLayoutSpec.mm index 2d0edba4cd..a727376a57 100644 --- a/AsyncDisplayKit/Layout/ASStaticLayoutSpec.mm +++ b/AsyncDisplayKit/Layout/ASStaticLayoutSpec.mm @@ -11,7 +11,6 @@ #import "ASStaticLayoutSpec.h" #import "ASLayoutSpecUtilities.h" -#import "ASLayoutOptions.h" #import "ASInternalHelpers.h" #import "ASLayout.h" @@ -86,6 +85,15 @@ @end +@implementation ASStaticLayoutSpec (ASEnvironment) + +- (BOOL)supportsUpwardPropagation +{ + return NO; +} + +@end + @implementation ASStaticLayoutSpec (Debugging) #pragma mark - ASLayoutableAsciiArtProtocol diff --git a/AsyncDisplayKit/Private/ASDisplayNode+FrameworkPrivate.h b/AsyncDisplayKit/Private/ASDisplayNode+FrameworkPrivate.h index 996ec2a7d0..07cb3440b8 100644 --- a/AsyncDisplayKit/Private/ASDisplayNode+FrameworkPrivate.h +++ b/AsyncDisplayKit/Private/ASDisplayNode+FrameworkPrivate.h @@ -16,7 +16,6 @@ #import "ASDisplayNode.h" #import "ASSentinel.h" #import "ASThread.h" -#import "ASLayoutOptions.h" #import "_ASDisplayLayer.h" NS_ASSUME_NONNULL_BEGIN diff --git a/AsyncDisplayKit/Private/ASDisplayNodeInternal.h b/AsyncDisplayKit/Private/ASDisplayNodeInternal.h index bd00cd9417..e8930b9865 100644 --- a/AsyncDisplayKit/Private/ASDisplayNodeInternal.h +++ b/AsyncDisplayKit/Private/ASDisplayNodeInternal.h @@ -16,9 +16,9 @@ #import "ASDisplayNode.h" #import "ASSentinel.h" #import "ASThread.h" -#import "ASLayoutOptions.h" #import "_ASTransitionContext.h" #import "ASDisplayNodeLayoutContext.h" +#import "ASEnvironment.h" #include @@ -97,6 +97,7 @@ FOUNDATION_EXPORT NSString * const ASRenderingEngineDidDisplayNodesScheduledBefo // This is the desired contentsScale, not the scale at which the layer's contents should be displayed CGFloat _contentsScaleForDisplay; + ASEnvironmentState _environmentState; ASLayout *_layout; ASSizeRange _constrainedSize; diff --git a/AsyncDisplayKit/Private/ASEnvironmentInternal.h b/AsyncDisplayKit/Private/ASEnvironmentInternal.h new file mode 100644 index 0000000000..9cf9a11e55 --- /dev/null +++ b/AsyncDisplayKit/Private/ASEnvironmentInternal.h @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2014-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + */ + +#import "ASEnvironment.h" + +#pragma once + +enum class ASEnvironmentStatePropagation { DOWN, UP }; + + +#pragma mark - Set and get extensible values for layout options + +void _ASEnvironmentLayoutOptionsExtensionSetBoolAtIndex(id object, int idx, BOOL value); +BOOL _ASEnvironmentLayoutOptionsExtensionGetBoolAtIndex(id object, int idx); + +void _ASEnvironmentLayoutOptionsExtensionSetIntegerAtIndex(id object, int idx, NSInteger value); +NSInteger _ASEnvironmentLayoutOptionsExtensionGetIntegerAtIndex(id object, int idx); + +void _ASEnvironmentLayoutOptionsExtensionSetEdgeInsetsAtIndex(id object, int idx, UIEdgeInsets value); +UIEdgeInsets _ASEnvironmentLayoutOptionsExtensionGetEdgeInsetsAtIndex(id object, int idx); + + +#pragma mark - Traversing an ASEnvironment Tree + +void ASEnvironmentPerformBlockOnObjectAndChildren(id object, void(^block)(id object)); +void ASEnvironmentPerformBlockOnObjectAndParents(id object, void(^block)(id object)); + + +#pragma mark - Merging + +static const struct ASEnvironmentLayoutOptionsState ASEnvironmentDefaultLayoutOptionsState = {}; +ASEnvironmentState ASEnvironmentMergeObjectAndState(ASEnvironmentState environmentState, ASEnvironmentLayoutOptionsState state, ASEnvironmentStatePropagation propagation); + + +static const struct ASEnvironmentHierarchyState ASEnvironmentDefaultHierarchyState = {}; +ASEnvironmentState ASEnvironmentMergeObjectAndState(ASEnvironmentState environmentState, ASEnvironmentHierarchyState state, ASEnvironmentStatePropagation propagation); + + +#pragma mark - Propagation + +template +void ASEnvironmentStatePropagateDown(id object, ASEnvironmentStateType state) { + ASEnvironmentPerformBlockOnObjectAndChildren(object, ^(id node) { + object.environmentState = ASEnvironmentMergeObjectAndState(object.environmentState, state, ASEnvironmentStatePropagation::DOWN); + }); +} + +template +void ASEnvironmentStatePropagateUp(id object, ASEnvironmentStateType state) { + ASEnvironmentPerformBlockOnObjectAndParents(object, ^(id node) { + object.environmentState = ASEnvironmentMergeObjectAndState(object.environmentState, state, ASEnvironmentStatePropagation::UP); + }); +} + +template +void ASEnvironmentStateApply(id object, ASEnvironmentStateType& state, ASEnvironmentStatePropagation propagate) { + if (propagate == ASEnvironmentStatePropagation::DOWN) { + ASEnvironmentStatePropagateUp(object, state); + } else if (propagate == ASEnvironmentStatePropagation::UP) { + ASEnvironmentStatePropagateDown(object, state); + } +} diff --git a/AsyncDisplayKit/Private/ASEnvironmentInternal.mm b/AsyncDisplayKit/Private/ASEnvironmentInternal.mm new file mode 100644 index 0000000000..4bec0df268 --- /dev/null +++ b/AsyncDisplayKit/Private/ASEnvironmentInternal.mm @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2014-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + */ + +#import "ASEnvironmentInternal.h" + +#import + +//#define LOG(...) NSLog(__VA_ARGS__) +#define LOG(...) + +#pragma mark - Traversing an ASEnvironment Tree + +void ASEnvironmentPerformBlockOnObjectAndChildren(id object, void(^block)(id node)) +{ + if (!object) { + return; + } + + std::queue> queue; + queue.push(object); + + while (!queue.empty()) { + id object = queue.front(); queue.pop(); + + block(object); + + for (id child in [object children]) { + queue.push(child); + } + } +} + +void ASEnvironmentPerformBlockOnObjectAndParents(id object, void(^block)(id node)) +{ + while (object) { + block(object); + object = [object parent]; + } +} + + +#pragma mark - Set and get extensible values from state structs + +void _ASEnvironmentLayoutOptionsExtensionSetBoolAtIndex(id object, int idx, BOOL value) +{ + NSCAssert(idx < kMaxEnvironmentStateBoolExtensions, @"Setting index outside of max bool extensions space"); + + ASEnvironmentStateExtensions extension = object.environmentState.layoutOptionsState._extensions; + extension.boolExtensions[idx] = value; + object.environmentState.layoutOptionsState._extensions = extension; +} + +BOOL _ASEnvironmentLayoutOptionsExtensionGetBoolAtIndex(id object, int idx) +{ + NSCAssert(idx < kMaxEnvironmentStateBoolExtensions, @"Accessing index outside of max bool extensions space"); + return object.environmentState.layoutOptionsState._extensions.boolExtensions[idx]; +} + +void _ASEnvironmentLayoutOptionsExtensionSetIntegerAtIndex(id object, int idx, NSInteger value) +{ + NSCAssert(idx < kMaxEnvironmentStateIntegerExtensions, @"Setting index outside of max integer extensions space"); + + ASEnvironmentStateExtensions extension = object.environmentState.layoutOptionsState._extensions; + extension.integerExtensions[idx] = value; + object.environmentState.layoutOptionsState._extensions = extension; +} + +NSInteger _ASEnvironmentLayoutOptionsExtensionGetIntegerAtIndex(id object, int idx) +{ + NSCAssert(idx < kMaxEnvironmentStateIntegerExtensions, @"Accessing index outside of max integer extensions space"); + return object.environmentState.layoutOptionsState._extensions.integerExtensions[idx]; +} + +void _ASEnvironmentLayoutOptionsExtensionSetEdgeInsetsAtIndex(id object, int idx, UIEdgeInsets value) +{ + NSCAssert(idx < kMaxEnvironmentStateEdgeInsetExtensions, @"Setting index outside of max edge insets extensions space"); + + ASEnvironmentStateExtensions extension = object.environmentState.layoutOptionsState._extensions; + extension.edgeInsetsExtensions[idx] = value; + object.environmentState.layoutOptionsState._extensions = extension; +} + +UIEdgeInsets _ASEnvironmentLayoutOptionsExtensionGetEdgeInsetsAtIndex(id object, int idx) +{ + NSCAssert(idx < kMaxEnvironmentStateEdgeInsetExtensions, @"Accessing index outside of max edge insets extensions space"); + return object.environmentState.layoutOptionsState._extensions.edgeInsetsExtensions[idx]; +} + + +#pragma mark - Merging functions for states + +ASEnvironmentState ASEnvironmentMergeObjectAndState(ASEnvironmentState environmentState, ASEnvironmentHierarchyState state, ASEnvironmentStatePropagation propagation) { + // Merge object and hierarchy state + LOG(@"Merge object and state: %@ - ASEnvironmentHierarchyState", object); + return environmentState; +} + +ASEnvironmentState ASEnvironmentMergeObjectAndState(ASEnvironmentState environmentState, ASEnvironmentLayoutOptionsState state, ASEnvironmentStatePropagation propagation) { + // Merge object and layout options state + LOG(@"Merge object and state: %@ - ASEnvironmentLayoutOptionsState", object); + + // Support propagate up + if (propagation == ASEnvironmentStatePropagation::UP) { + + // Object is the parent and the state is the state of the child + const ASEnvironmentLayoutOptionsState defaultState = ASEnvironmentDefaultLayoutOptionsState; + ASEnvironmentLayoutOptionsState parentState = environmentState.layoutOptionsState; + + // For every field check if the parent value is equal to the default than propegate up the child value to + // the parent + if (parentState.spacingBefore != defaultState.spacingBefore) { + parentState.spacingBefore = state.spacingBefore; + } + if (parentState.spacingAfter != defaultState.spacingAfter) { + parentState.spacingAfter = state.spacingAfter; + } + if (parentState.alignSelf != defaultState.alignSelf) { + parentState.alignSelf = defaultState.alignSelf; + } + if (parentState.flexGrow != defaultState.flexGrow) { + parentState.flexGrow = defaultState.flexGrow; + } + if (!ASRelativeDimensionEqualToRelativeDimension(parentState.flexBasis, defaultState.flexBasis)) { + parentState.flexBasis = defaultState.flexBasis; + } + if (parentState.alignSelf != defaultState.alignSelf) { + parentState.alignSelf = defaultState.alignSelf; + } + if (parentState.ascender != defaultState.ascender) { + parentState.ascender = defaultState.ascender; + } + + if (!ASRelativeSizeRangeEqualToRelativeSizeRange(parentState.sizeRange, defaultState.sizeRange)) { + parentState.sizeRange = defaultState.sizeRange; + } + if (CGPointEqualToPoint(parentState.layoutPosition, defaultState.layoutPosition)) { + parentState.layoutPosition = defaultState.layoutPosition; + } + + environmentState.layoutOptionsState = parentState; + } + + return environmentState; +} diff --git a/AsyncDisplayKit/Private/ASLayoutOptionsPrivate.h b/AsyncDisplayKit/Private/ASLayoutOptionsPrivate.h deleted file mode 100644 index 34a26da4f2..0000000000 --- a/AsyncDisplayKit/Private/ASLayoutOptionsPrivate.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (c) 2014-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -#import -#import -#import - -@interface ASDisplayNode(ASLayoutOptions) -@end - -@interface ASDisplayNode() -{ - ASLayoutOptions *_layoutOptions; - ASDN::RecursiveMutex _layoutOptionsLock; -} -@end - -@interface ASLayoutSpec(ASLayoutOptions) -@end - -@interface ASLayoutSpec() -{ - ASLayoutOptions *_layoutOptions; - ASDN::RecursiveMutex _layoutOptionsLock; -} -@end diff --git a/AsyncDisplayKit/Private/ASStackBaselinePositionedLayout.mm b/AsyncDisplayKit/Private/ASStackBaselinePositionedLayout.mm index ed6b622162..46df924adf 100644 --- a/AsyncDisplayKit/Private/ASStackBaselinePositionedLayout.mm +++ b/AsyncDisplayKit/Private/ASStackBaselinePositionedLayout.mm @@ -12,7 +12,6 @@ #import "ASLayoutSpecUtilities.h" #import "ASStackLayoutSpecUtilities.h" -#import "ASLayoutOptions.h" static CGFloat baselineForItem(const ASStackLayoutSpecStyle &style, const ASLayout *layout) { diff --git a/AsyncDisplayKit/Private/ASStackPositionedLayout.mm b/AsyncDisplayKit/Private/ASStackPositionedLayout.mm index 428319d317..cd18dd2157 100644 --- a/AsyncDisplayKit/Private/ASStackPositionedLayout.mm +++ b/AsyncDisplayKit/Private/ASStackPositionedLayout.mm @@ -14,7 +14,6 @@ #import "ASLayoutSpecUtilities.h" #import "ASStackLayoutSpecUtilities.h" #import "ASLayoutable.h" -#import "ASLayoutOptions.h" #import "ASAssert.h" static CGFloat crossOffset(const ASStackLayoutSpecStyle &style, diff --git a/AsyncDisplayKit/Private/ASStackUnpositionedLayout.mm b/AsyncDisplayKit/Private/ASStackUnpositionedLayout.mm index a19ae298ba..57902a6b4e 100644 --- a/AsyncDisplayKit/Private/ASStackUnpositionedLayout.mm +++ b/AsyncDisplayKit/Private/ASStackUnpositionedLayout.mm @@ -14,7 +14,6 @@ #import "ASLayoutSpecUtilities.h" #import "ASStackLayoutSpecUtilities.h" -#import "ASLayoutOptions.h" /** Sizes the child given the parameters specified, and returns the computed layout. @@ -116,8 +115,7 @@ static CGFloat computeStackDimensionSum(const std::vector child = l.child; - const ASLayoutOptions *layoutOptions = child.layoutOptions; - return x + layoutOptions.spacingBefore + layoutOptions.spacingAfter; + return x + child.spacingBefore + child.spacingAfter; }); // Sum up the childrens' dimensions (including spacing) in the stack direction. diff --git a/AsyncDisplayKitTests/ASCenterLayoutSpecSnapshotTests.mm b/AsyncDisplayKitTests/ASCenterLayoutSpecSnapshotTests.mm index f6ba9da1e5..bb38be0d18 100644 --- a/AsyncDisplayKitTests/ASCenterLayoutSpecSnapshotTests.mm +++ b/AsyncDisplayKitTests/ASCenterLayoutSpecSnapshotTests.mm @@ -13,7 +13,6 @@ #import "ASBackgroundLayoutSpec.h" #import "ASCenterLayoutSpec.h" #import "ASStackLayoutSpec.h" -#import "ASLayoutOptions.h" static const ASSizeRange kSize = {{100, 120}, {320, 160}}; diff --git a/AsyncDisplayKitTests/ASRelativeLayoutSpecSnapshotTests.mm b/AsyncDisplayKitTests/ASRelativeLayoutSpecSnapshotTests.mm index 468b515a05..213045ea68 100644 --- a/AsyncDisplayKitTests/ASRelativeLayoutSpecSnapshotTests.mm +++ b/AsyncDisplayKitTests/ASRelativeLayoutSpecSnapshotTests.mm @@ -13,7 +13,6 @@ #import "ASBackgroundLayoutSpec.h" #import "ASRelativeLayoutSpec.h" #import "ASStackLayoutSpec.h" -#import "ASLayoutOptions.h" static const ASSizeRange kSize = {{100, 120}, {320, 160}}; diff --git a/AsyncDisplayKitTests/ASStackLayoutSpecSnapshotTests.mm b/AsyncDisplayKitTests/ASStackLayoutSpecSnapshotTests.mm index 20989a71d3..d5ca9074aa 100644 --- a/AsyncDisplayKitTests/ASStackLayoutSpecSnapshotTests.mm +++ b/AsyncDisplayKitTests/ASStackLayoutSpecSnapshotTests.mm @@ -15,7 +15,6 @@ #import "ASBackgroundLayoutSpec.h" #import "ASRatioLayoutSpec.h" #import "ASInsetLayoutSpec.h" -#import "ASLayoutOptions.h" @interface ASStackLayoutSpecSnapshotTests : ASLayoutSpecSnapshotTestCase @end