mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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[ASCollectionView] Move ASCollectionViewLayoutInspector to its own file
This commit is contained in:
Garrett Moon
parent
654b520b6d
commit
000dbc818e
@ -185,6 +185,9 @@
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68B8A4E21CBDB958007E4543 /* ASWeakProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = 68B8A4DF1CBDB958007E4543 /* ASWeakProxy.h */; };
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68B8A4E31CBDB958007E4543 /* ASWeakProxy.m in Sources */ = {isa = PBXBuildFile; fileRef = 68B8A4E01CBDB958007E4543 /* ASWeakProxy.m */; };
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68B8A4E41CBDB958007E4543 /* ASWeakProxy.m in Sources */ = {isa = PBXBuildFile; fileRef = 68B8A4E01CBDB958007E4543 /* ASWeakProxy.m */; };
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68C215581DE10D330019C4BC /* ASCollectionViewLayoutInspector.h in Headers */ = {isa = PBXBuildFile; fileRef = 68C215561DE10D330019C4BC /* ASCollectionViewLayoutInspector.h */; settings = {ATTRIBUTES = (Public, ); }; };
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68C215591DE10D330019C4BC /* ASCollectionViewLayoutInspector.m in Sources */ = {isa = PBXBuildFile; fileRef = 68C215571DE10D330019C4BC /* ASCollectionViewLayoutInspector.m */; };
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68C2155A1DE10D330019C4BC /* ASCollectionViewLayoutInspector.m in Sources */ = {isa = PBXBuildFile; fileRef = 68C215571DE10D330019C4BC /* ASCollectionViewLayoutInspector.m */; };
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68EE0DBE1C1B4ED300BA1B99 /* ASMainSerialQueue.h in Headers */ = {isa = PBXBuildFile; fileRef = 68EE0DBB1C1B4ED300BA1B99 /* ASMainSerialQueue.h */; };
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68EE0DBF1C1B4ED300BA1B99 /* ASMainSerialQueue.mm in Sources */ = {isa = PBXBuildFile; fileRef = 68EE0DBC1C1B4ED300BA1B99 /* ASMainSerialQueue.mm */; };
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68EE0DC01C1B4ED300BA1B99 /* ASMainSerialQueue.mm in Sources */ = {isa = PBXBuildFile; fileRef = 68EE0DBC1C1B4ED300BA1B99 /* ASMainSerialQueue.mm */; };
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@ -992,6 +995,8 @@
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68B8A4DB1CBD911D007E4543 /* ASImageNode+AnimatedImagePrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ASImageNode+AnimatedImagePrivate.h"; sourceTree = "<group>"; };
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68B8A4DF1CBDB958007E4543 /* ASWeakProxy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASWeakProxy.h; sourceTree = "<group>"; };
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68B8A4E01CBDB958007E4543 /* ASWeakProxy.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ASWeakProxy.m; sourceTree = "<group>"; };
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68C215561DE10D330019C4BC /* ASCollectionViewLayoutInspector.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASCollectionViewLayoutInspector.h; sourceTree = "<group>"; };
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68C215571DE10D330019C4BC /* ASCollectionViewLayoutInspector.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ASCollectionViewLayoutInspector.m; sourceTree = "<group>"; };
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68EE0DBB1C1B4ED300BA1B99 /* ASMainSerialQueue.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASMainSerialQueue.h; sourceTree = "<group>"; };
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68EE0DBC1C1B4ED300BA1B99 /* ASMainSerialQueue.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASMainSerialQueue.mm; sourceTree = "<group>"; };
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68FC85DC1CE29AB700EDD713 /* ASNavigationController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASNavigationController.h; sourceTree = "<group>"; };
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@ -1493,6 +1498,8 @@
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054963481A1EA066000F8E56 /* ASBasicImageDownloader.mm */,
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299DA1A71A828D2900162D41 /* ASBatchContext.h */,
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299DA1A81A828D2900162D41 /* ASBatchContext.mm */,
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68C215561DE10D330019C4BC /* ASCollectionViewLayoutInspector.h */,
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68C215571DE10D330019C4BC /* ASCollectionViewLayoutInspector.m */,
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251B8EF41BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.h */,
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251B8EF51BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.m */,
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205F0E1B1B373A2C007741D0 /* ASCollectionViewLayoutController.h */,
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@ -1822,6 +1829,7 @@
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DE89C1741DCEB9CC00D49D74 /* ASLayoutElementInspectorNode.h in Headers */,
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B13CA1011C52004900E031AB /* ASCollectionNode+Beta.h in Headers */,
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254C6B7E1BF94DF4003EC431 /* ASTextKitTailTruncater.h in Headers */,
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68C215581DE10D330019C4BC /* ASCollectionViewLayoutInspector.h in Headers */,
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B35062411B010EFD0018CF92 /* _ASAsyncTransactionGroup.h in Headers */,
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B35062491B010EFD0018CF92 /* _ASCoreAnimationExtras.h in Headers */,
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B350620F1B010EFD0018CF92 /* _ASDisplayLayer.h in Headers */,
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@ -2018,12 +2026,15 @@
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isa = PBXNativeTarget;
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buildConfigurationList = 058D09D2195D04C000B7D73C /* Build configuration list for PBXNativeTarget "AsyncDisplayKitTests" */;
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buildPhases = (
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A5D6EC8A55F2AA9E9EE68B07 /* 📦 Check Pods Manifest.lock */,
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2E61B6A0DB0F436A9DDBE86F /* [CP] Check Pods Manifest.lock */,
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058D09B8195D04C000B7D73C /* Sources */,
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058D09B9195D04C000B7D73C /* Frameworks */,
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058D09BA195D04C000B7D73C /* Resources */,
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3B9D88CDF51B429C8409E4B6 /* [CP] Copy Pods Resources */,
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B130AB1AC0A1E5162E211C19 /* [CP] Embed Pods Frameworks */,
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3BFEAD5C584653624B1B9F75 /* 📦 Embed Pods Frameworks */,
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2F77738278748228F6400335 /* 📦 Copy Pods Resources */,
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);
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buildRules = (
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);
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@ -2139,6 +2150,21 @@
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shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n exit 1\nfi\n";
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showEnvVarsInLog = 0;
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};
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isa = PBXShellScriptBuildPhase;
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buildActionMask = 2147483647;
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files = (
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);
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inputPaths = (
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);
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name = "📦 Copy Pods Resources";
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outputPaths = (
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);
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-AsyncDisplayKitTests/Pods-AsyncDisplayKitTests-resources.sh\"\n";
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showEnvVarsInLog = 0;
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};
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3B9D88CDF51B429C8409E4B6 /* [CP] Copy Pods Resources */ = {
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isa = PBXShellScriptBuildPhase;
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buildActionMask = 2147483647;
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@ -2154,6 +2180,36 @@
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shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-AsyncDisplayKitTests/Pods-AsyncDisplayKitTests-resources.sh\"\n";
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showEnvVarsInLog = 0;
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};
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3BFEAD5C584653624B1B9F75 /* 📦 Embed Pods Frameworks */ = {
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name = "📦 Embed Pods Frameworks";
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outputPaths = (
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);
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-AsyncDisplayKitTests/Pods-AsyncDisplayKitTests-frameworks.sh\"\n";
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showEnvVarsInLog = 0;
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};
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outputPaths = (
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n exit 1\nfi\n";
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showEnvVarsInLog = 0;
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@ -2296,6 +2352,7 @@
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ACF6ED321B17843500DA7C62 /* ASAbsoluteLayoutSpec.mm in Sources */,
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AC026B6B1BD57D6F00BBC17E /* ASChangeSetDataController.mm in Sources */,
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68355B311CB5799E001D4E68 /* ASImageNode+AnimatedImage.mm in Sources */,
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68C215591DE10D330019C4BC /* ASCollectionViewLayoutInspector.m in Sources */,
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9CFFC6C01CCAC73C006A6476 /* ASViewController.mm in Sources */,
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055F1A3519ABD3E3004DAFF1 /* ASTableView.mm in Sources */,
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6959433E1D70815300B0EE1F /* ASDisplayNodeLayout.mm in Sources */,
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@ -2486,6 +2543,7 @@
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AC026B6C1BD57D6F00BBC17E /* ASChangeSetDataController.mm in Sources */,
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34EFC7741B701D0A00AD841F /* ASAbsoluteLayoutSpec.mm in Sources */,
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92074A6A1CC8BADA00918F75 /* ASControlNode+tvOS.m in Sources */,
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68C2155A1DE10D330019C4BC /* ASCollectionViewLayoutInspector.m in Sources */,
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DB78412E1C6BCE1600A9E2B4 /* _ASTransitionContext.m in Sources */,
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B350620B1B010EFD0018CF92 /* ASTableView.mm in Sources */,
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B350620E1B010EFD0018CF92 /* ASTextNode.mm in Sources */,
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@ -10,78 +10,10 @@
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#pragma once
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASDimension.h>
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#import <AsyncDisplayKit/ASScrollDirection.h>
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@class ASCollectionView;
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@protocol ASCollectionDataSource;
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@protocol ASCollectionDelegate;
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#include "ASCollectionViewLayoutInspector.h"
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NS_ASSUME_NONNULL_BEGIN
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@protocol ASCollectionViewLayoutInspecting <NSObject>
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/**
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* Asks the inspector to provide a constrained size range for the given collection view node.
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*/
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath;
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/**
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* Return the directions in which your collection view can scroll
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*/
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- (ASScrollDirection)scrollableDirections;
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@optional
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/**
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* Asks the inspector to provide a constrained size range for the given supplementary node.
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*/
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath;
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/**
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* Asks the inspector for the number of supplementary views for the given kind in the specified section.
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*/
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- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section;
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/**
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* Allow the inspector to respond to delegate changes.
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*
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* @discussion A great time to update perform selector caches!
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*/
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- (void)didChangeCollectionViewDelegate:(nullable id<ASCollectionDelegate>)delegate;
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/**
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* Allow the inspector to respond to dataSource changes.
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*
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* @discussion A great time to update perform selector caches!
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*/
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- (void)didChangeCollectionViewDataSource:(nullable id<ASCollectionDataSource>)dataSource;
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#pragma mark Deprecated Methods
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/**
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* Asks the inspector for the number of supplementary sections in the collection view for the given kind.
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*
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* @deprecated This method will not be called, and it is only deprecated as a reminder to remove it.
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* Supplementary elements must exist in the same sections as regular collection view items i.e. -numberOfSectionsInCollectionView:
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*/
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- (NSUInteger)collectionView:(ASCollectionView *)collectionView numberOfSectionsForSupplementaryNodeOfKind:(NSString *)kind ASDISPLAYNODE_DEPRECATED_MSG("Use ASCollectionNode's method instead.");
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@end
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/**
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* A layout inspector for non-flow layouts that returns a constrained size to let the cells layout itself as
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* far as possible based on the scrollable direction of the collection view. It throws exceptions for delegate
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* methods that are related to supplementary node's management.
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*/
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@interface ASCollectionViewLayoutInspector : NSObject <ASCollectionViewLayoutInspecting>
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView NS_DESIGNATED_INITIALIZER;
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@end
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/**
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* A layout inspector implementation specific for the sizing behavior of UICollectionViewFlowLayouts
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*/
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@ -16,90 +16,6 @@
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#define kDefaultItemSize CGSizeMake(50, 50)
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#pragma mark - Helper Functions
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// Returns a constrained size to let the cells layout itself as far as possible based on the scrollable direction
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// of the collection view
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static inline ASSizeRange NodeConstrainedSizeForScrollDirection(ASCollectionView *collectionView) {
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CGSize maxSize = collectionView.bounds.size;
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if (ASScrollDirectionContainsHorizontalDirection(collectionView.scrollableDirections)) {
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maxSize.width = CGFLOAT_MAX;
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} else {
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maxSize.height = CGFLOAT_MAX;
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}
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return ASSizeRangeMake(CGSizeZero, maxSize);
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}
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#pragma mark - ASCollectionViewLayoutInspector
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@implementation ASCollectionViewLayoutInspector {
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struct {
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unsigned int implementsConstrainedSizeForNodeAtIndexPathDeprecated:1;
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unsigned int implementsConstrainedSizeForNodeAtIndexPath:1;
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} _delegateFlags;
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}
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#pragma mark Lifecycle
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- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView
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{
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self = [super init];
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if (self != nil) {
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[self didChangeCollectionViewDelegate:collectionView.asyncDelegate];
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}
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return self;
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}
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#pragma mark ASCollectionViewLayoutInspecting
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- (void)didChangeCollectionViewDelegate:(id<ASCollectionDelegate>)delegate
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{
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if (delegate == nil) {
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memset(&_delegateFlags, 0, sizeof(_delegateFlags));
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} else {
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_delegateFlags.implementsConstrainedSizeForNodeAtIndexPathDeprecated = [delegate respondsToSelector:@selector(collectionView:constrainedSizeForNodeAtIndexPath:)];
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_delegateFlags.implementsConstrainedSizeForNodeAtIndexPath = [delegate respondsToSelector:@selector(collectionNode:constrainedSizeForItemAtIndexPath:)];
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}
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}
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
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{
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if (_delegateFlags.implementsConstrainedSizeForNodeAtIndexPath) {
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return [collectionView.asyncDelegate collectionNode:collectionView.collectionNode constrainedSizeForItemAtIndexPath:indexPath];
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} else if (_delegateFlags.implementsConstrainedSizeForNodeAtIndexPathDeprecated) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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return [collectionView.asyncDelegate collectionView:collectionView constrainedSizeForNodeAtIndexPath:indexPath];
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#pragma clang diagnostic pop
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} else {
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// With 2.0 `collectionView:constrainedSizeForNodeAtIndexPath:` was moved to the delegate. Assert if not implemented on the delegate but on the data source
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ASDisplayNodeAssert([collectionView.asyncDataSource respondsToSelector:@selector(collectionView:constrainedSizeForNodeAtIndexPath:)] == NO, @"collectionView:constrainedSizeForNodeAtIndexPath: was moved from the ASCollectionDataSource to the ASCollectionDelegate.");
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}
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return NodeConstrainedSizeForScrollDirection(collectionView);
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}
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- (ASScrollDirection)scrollableDirections
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{
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ASDisplayNodeAssert(NO, @"layoutInspector object must implement -scrollableDirections %@", self);
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return ASScrollDirectionNone;
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}
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
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{
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ASDisplayNodeAssert(NO, @"To support supplementary nodes in ASCollectionView, it must have a layoutInspector for layout inspection. (See ASCollectionViewFlowLayoutInspector for an example.)");
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return ASSizeRangeMake(CGSizeZero, CGSizeZero);
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}
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- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section
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{
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ASDisplayNodeAssert(NO, @"To support supplementary nodes in ASCollectionView, it must have a layoutInspector for layout inspection. (See ASCollectionViewFlowLayoutInspector for an example.)");
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return 0;
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}
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@end
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#pragma mark - ASCollectionViewFlowLayoutInspector
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@interface ASCollectionViewFlowLayoutInspector ()
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83
AsyncDisplayKit/Details/ASCollectionViewLayoutInspector.h
Normal file
83
AsyncDisplayKit/Details/ASCollectionViewLayoutInspector.h
Normal file
@ -0,0 +1,83 @@
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//
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// ASCollectionViewLayoutInspector.h
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// AsyncDisplayKit
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//
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// Created by Garrett Moon on 11/19/16.
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// Copyright © 2016 Facebook. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASDimension.h>
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#import <AsyncDisplayKit/ASScrollDirection.h>
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@class ASCollectionView;
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@protocol ASCollectionDataSource;
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@protocol ASCollectionDelegate;
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NS_ASSUME_NONNULL_BEGIN
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extern ASSizeRange NodeConstrainedSizeForScrollDirection(ASCollectionView *collectionView);
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@protocol ASCollectionViewLayoutInspecting <NSObject>
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/**
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* Asks the inspector to provide a constrained size range for the given collection view node.
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*/
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath;
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/**
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* Return the directions in which your collection view can scroll
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*/
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- (ASScrollDirection)scrollableDirections;
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@optional
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/**
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* Asks the inspector to provide a constrained size range for the given supplementary node.
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*/
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath;
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/**
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* Asks the inspector for the number of supplementary views for the given kind in the specified section.
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*/
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- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section;
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/**
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* Allow the inspector to respond to delegate changes.
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*
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* @discussion A great time to update perform selector caches!
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*/
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- (void)didChangeCollectionViewDelegate:(nullable id<ASCollectionDelegate>)delegate;
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/**
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* Allow the inspector to respond to dataSource changes.
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*
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* @discussion A great time to update perform selector caches!
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*/
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- (void)didChangeCollectionViewDataSource:(nullable id<ASCollectionDataSource>)dataSource;
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#pragma mark Deprecated Methods
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/**
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* Asks the inspector for the number of supplementary sections in the collection view for the given kind.
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*
|
||||
* @deprecated This method will not be called, and it is only deprecated as a reminder to remove it.
|
||||
* Supplementary elements must exist in the same sections as regular collection view items i.e. -numberOfSectionsInCollectionView:
|
||||
*/
|
||||
- (NSUInteger)collectionView:(ASCollectionView *)collectionView numberOfSectionsForSupplementaryNodeOfKind:(NSString *)kind ASDISPLAYNODE_DEPRECATED_MSG("Use ASCollectionNode's method instead.");
|
||||
|
||||
@end
|
||||
|
||||
/**
|
||||
* A layout inspector for non-flow layouts that returns a constrained size to let the cells layout itself as
|
||||
* far as possible based on the scrollable direction of the collection view. It throws exceptions for delegate
|
||||
* methods that are related to supplementary node's management.
|
||||
*/
|
||||
@interface ASCollectionViewLayoutInspector : NSObject <ASCollectionViewLayoutInspecting>
|
||||
|
||||
- (instancetype)init NS_UNAVAILABLE;
|
||||
- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView NS_DESIGNATED_INITIALIZER;
|
||||
|
||||
@end
|
||||
|
||||
NS_ASSUME_NONNULL_END
|
||||
95
AsyncDisplayKit/Details/ASCollectionViewLayoutInspector.m
Normal file
95
AsyncDisplayKit/Details/ASCollectionViewLayoutInspector.m
Normal file
@ -0,0 +1,95 @@
|
||||
//
|
||||
// ASCollectionViewLayoutInspector.m
|
||||
// AsyncDisplayKit
|
||||
//
|
||||
// Created by Garrett Moon on 11/19/16.
|
||||
// Copyright © 2016 Facebook. All rights reserved.
|
||||
//
|
||||
|
||||
#import "ASCollectionViewLayoutInspector.h"
|
||||
|
||||
#import "ASCollectionView.h"
|
||||
#import "ASCollectionView+Undeprecated.h"
|
||||
|
||||
#pragma mark - Helper Functions
|
||||
|
||||
// Returns a constrained size to let the cells layout itself as far as possible based on the scrollable direction
|
||||
// of the collection view
|
||||
ASSizeRange NodeConstrainedSizeForScrollDirection(ASCollectionView *collectionView) {
|
||||
CGSize maxSize = collectionView.bounds.size;
|
||||
if (ASScrollDirectionContainsHorizontalDirection(collectionView.scrollableDirections)) {
|
||||
maxSize.width = CGFLOAT_MAX;
|
||||
} else {
|
||||
maxSize.height = CGFLOAT_MAX;
|
||||
}
|
||||
return ASSizeRangeMake(CGSizeZero, maxSize);
|
||||
}
|
||||
|
||||
#pragma mark - ASCollectionViewLayoutInspector
|
||||
|
||||
@implementation ASCollectionViewLayoutInspector {
|
||||
struct {
|
||||
unsigned int implementsConstrainedSizeForNodeAtIndexPathDeprecated:1;
|
||||
unsigned int implementsConstrainedSizeForNodeAtIndexPath:1;
|
||||
} _delegateFlags;
|
||||
}
|
||||
|
||||
#pragma mark Lifecycle
|
||||
|
||||
- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView
|
||||
{
|
||||
self = [super init];
|
||||
if (self != nil) {
|
||||
[self didChangeCollectionViewDelegate:collectionView.asyncDelegate];
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark ASCollectionViewLayoutInspecting
|
||||
|
||||
- (void)didChangeCollectionViewDelegate:(id<ASCollectionDelegate>)delegate
|
||||
{
|
||||
if (delegate == nil) {
|
||||
memset(&_delegateFlags, 0, sizeof(_delegateFlags));
|
||||
} else {
|
||||
_delegateFlags.implementsConstrainedSizeForNodeAtIndexPathDeprecated = [delegate respondsToSelector:@selector(collectionView:constrainedSizeForNodeAtIndexPath:)];
|
||||
_delegateFlags.implementsConstrainedSizeForNodeAtIndexPath = [delegate respondsToSelector:@selector(collectionNode:constrainedSizeForItemAtIndexPath:)];
|
||||
}
|
||||
}
|
||||
|
||||
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
if (_delegateFlags.implementsConstrainedSizeForNodeAtIndexPath) {
|
||||
return [collectionView.asyncDelegate collectionNode:collectionView.collectionNode constrainedSizeForItemAtIndexPath:indexPath];
|
||||
} else if (_delegateFlags.implementsConstrainedSizeForNodeAtIndexPathDeprecated) {
|
||||
#pragma clang diagnostic push
|
||||
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
||||
return [collectionView.asyncDelegate collectionView:collectionView constrainedSizeForNodeAtIndexPath:indexPath];
|
||||
#pragma clang diagnostic pop
|
||||
} else {
|
||||
// With 2.0 `collectionView:constrainedSizeForNodeAtIndexPath:` was moved to the delegate. Assert if not implemented on the delegate but on the data source
|
||||
ASDisplayNodeAssert([collectionView.asyncDataSource respondsToSelector:@selector(collectionView:constrainedSizeForNodeAtIndexPath:)] == NO, @"collectionView:constrainedSizeForNodeAtIndexPath: was moved from the ASCollectionDataSource to the ASCollectionDelegate.");
|
||||
}
|
||||
|
||||
return NodeConstrainedSizeForScrollDirection(collectionView);
|
||||
}
|
||||
|
||||
- (ASScrollDirection)scrollableDirections
|
||||
{
|
||||
ASDisplayNodeAssert(NO, @"layoutInspector object must implement -scrollableDirections %@", self);
|
||||
return ASScrollDirectionNone;
|
||||
}
|
||||
|
||||
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
ASDisplayNodeAssert(NO, @"To support supplementary nodes in ASCollectionView, it must have a layoutInspector for layout inspection. (See ASCollectionViewFlowLayoutInspector for an example.)");
|
||||
return ASSizeRangeMake(CGSizeZero, CGSizeZero);
|
||||
}
|
||||
|
||||
- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section
|
||||
{
|
||||
ASDisplayNodeAssert(NO, @"To support supplementary nodes in ASCollectionView, it must have a layoutInspector for layout inspection. (See ASCollectionViewFlowLayoutInspector for an example.)");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@end
|
||||
Loading…
x
Reference in New Issue
Block a user