mirror of
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Add support for visibility depth
This adds support for the concept of visibility depth. Visibility essentially defines the number of user actions it would take a user to have a view controller visible. Knowing a view controllers visibility depth allows view controllers to take action such as clearing out memory that can be restored at a later date. This patch also add two new view controller subclasses which adopt the ASManagesChildVisibilityDepth protocol. Any view controller that has child view controllers can adopt this protocol to indicate to the child what they're visibility is. For example, ASNavigationController will return a visibility depth of it's own visibilityDepth + 1 for a view controller that would be revealed by tapping the back button.
This commit is contained in:
Garrett Moon
parent
b34e8d78de
commit
af7a2f09d7
@ -272,6 +272,17 @@
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@ -1075,6 +1092,8 @@
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68355B2E1CB5799E001D4E68 /* ASImageNode+AnimatedImage.mm */,
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0516FA3E1A1563D200B4EBED /* ASMultiplexImageNode.h */,
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68FC85DC1CE29AB700EDD713 /* ASNavigationController.h */,
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68FC85DD1CE29AB700EDD713 /* ASNavigationController.m */,
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055B9FA61A1C154B00035D6D /* ASNetworkImageNode.h */,
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055B9FA71A1C154B00035D6D /* ASNetworkImageNode.mm */,
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25E327541C16819500A2170C /* ASPagerNode.h */,
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@ -1083,6 +1102,8 @@
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A2763D781CBDD57D00A9ADBD /* ASPINRemoteImageDownloader.m */,
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D785F6601A74327E00291744 /* ASScrollNode.h */,
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D785F6611A74327E00291744 /* ASScrollNode.m */,
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68FC85E01CE29B7E00EDD713 /* ASTabBarController.h */,
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68FC85E11CE29B7E00EDD713 /* ASTabBarController.m */,
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9CFFC6C11CCAC768006A6476 /* ASTableNode.mm */,
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055F1A3219ABD3E3004DAFF1 /* ASTableView.h */,
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@ -1098,6 +1119,8 @@
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764D83D21C8EA515009B4FB8 /* AsyncDisplayKit+Debug.h */,
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764D83D31C8EA515009B4FB8 /* AsyncDisplayKit+Debug.m */,
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DB55C2651C641AE4004EDCF5 /* ASContextTransitioning.h */,
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68FC85E71CE29C7D00EDD713 /* ASVisibilityProtocols.h */,
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68FC85E81CE29C7D00EDD713 /* ASVisibilityProtocols.m */,
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92074A5E1CC8B9DD00918F75 /* tvOS */,
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058D09E1195D050800B7D73C /* Details */,
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058D0A01195D050800B7D73C /* Private */,
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@ -1493,6 +1516,7 @@
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058D0A82195D060300B7D73C /* ASAssert.h in Headers */,
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0516FA3C1A15563400B4EBED /* ASAvailability.h in Headers */,
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AEB7B01A1C5962EA00662EF4 /* ASDefaultPlayButton.h in Headers */,
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68FC85E21CE29B7E00EDD713 /* ASTabBarController.h in Headers */,
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058D0A83195D060300B7D73C /* ASBaseDefines.h in Headers */,
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054963491A1EA066000F8E56 /* ASBasicImageDownloader.h in Headers */,
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@ -1508,6 +1532,7 @@
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AC3C4A511A1139C100143C57 /* ASCollectionView.h in Headers */,
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AEEC47E11C20C2DD00EC1693 /* ASVideoNode.h in Headers */,
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DE8BEAC11C2DF3FC00D57C12 /* ASDelegateProxy.h in Headers */,
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68FC85DE1CE29AB700EDD713 /* ASNavigationController.h in Headers */,
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205F0E1D1B373A2C007741D0 /* ASCollectionViewLayoutController.h in Headers */,
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AC3C4A541A113EEC00143C57 /* ASCollectionViewProtocols.h in Headers */,
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058D0A49195D05CB00B7D73C /* ASControlNode+Subclasses.h in Headers */,
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@ -1533,6 +1558,7 @@
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0587F9BD1A7309ED00AFF0BA /* ASEditableTextNode.h in Headers */,
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DE6EA3221C14000600183B10 /* ASDisplayNode+FrameworkPrivate.h in Headers */,
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1950C4491A3BB5C1005C8279 /* ASEqualityHelpers.h in Headers */,
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68FC85E91CE29C7D00EDD713 /* ASVisibilityProtocols.h in Headers */,
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257754A81BEE44CD00737CA5 /* ASTextKitContext.h in Headers */,
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DB55C2611C6408D6004EDCF5 /* _ASTransitionContext.h in Headers */,
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464052221A3F83C40061C0BA /* ASFlowLayoutController.h in Headers */,
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@ -1667,6 +1693,7 @@
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CC3B20841C3F76D600798563 /* ASPendingStateController.h in Headers */,
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92074A621CC8BA1900918F75 /* ASImageNode+tvOS.h in Headers */,
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B35061F71B010EFD0018CF92 /* ASCollectionViewProtocols.h in Headers */,
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68FC85E31CE29B7E00EDD713 /* ASTabBarController.h in Headers */,
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DE6EA3231C14000600183B10 /* ASDisplayNode+FrameworkPrivate.h in Headers */,
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9C70F20F1CDBE9FF007D6C76 /* ASLayoutManager.h in Headers */,
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B35061FA1B010EFD0018CF92 /* ASControlNode+Subclasses.h in Headers */,
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@ -1674,6 +1701,7 @@
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B35062171B010EFD0018CF92 /* ASDataController.h in Headers */,
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B35062191B010EFD0018CF92 /* ASDealloc2MainObject.h in Headers */,
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34EFC75B1B701BAF00AD841F /* ASDimension.h in Headers */,
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68FC85EA1CE29C7D00EDD713 /* ASVisibilityProtocols.h in Headers */,
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A37320101C571B740011FC94 /* ASTextNode+Beta.h in Headers */,
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DBABFAFC1C6A8D2F0039EA4A /* _ASTransitionContext.h in Headers */,
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9C70F2061CDA4F0C007D6C76 /* ASTraitCollection.h in Headers */,
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@ -1975,6 +2003,7 @@
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files = (
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058D0A22195D050800B7D73C /* _ASAsyncTransaction.mm in Sources */,
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E55D86321CA8A14000A0C26F /* ASLayoutable.mm in Sources */,
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68FC85E41CE29B7E00EDD713 /* ASTabBarController.m in Sources */,
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058D0A23195D050800B7D73C /* _ASAsyncTransactionContainer.m in Sources */,
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@ -2004,6 +2033,7 @@
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@ -2028,6 +2058,7 @@
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68FC85DF1CE29AB700EDD713 /* ASNavigationController.m in Sources */,
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||||
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DB55C2631C6408D6004EDCF5 /* _ASTransitionContext.m in Sources */,
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||||
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18C2ED831B9B7DE800F627B3 /* ASCollectionNode.mm in Sources */,
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E55D86331CA8A14000A0C26F /* ASLayoutable.mm in Sources */,
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68FC85EC1CE29C7D00EDD713 /* ASVisibilityProtocols.m in Sources */,
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68B8A4E41CBDB958007E4543 /* ASWeakProxy.m in Sources */,
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9C70F20A1CDBE949007D6C76 /* ASTableNode.mm in Sources */,
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69CB62AE1CB8165900024920 /* _ASDisplayViewAccessiblity.mm in Sources */,
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@ -2209,6 +2241,7 @@
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B35062271B010EFD0018CF92 /* ASRangeController.mm in Sources */,
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68FC85E61CE29B9400EDD713 /* ASNavigationController.m in Sources */,
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34EFC76F1B701CF700AD841F /* ASRatioLayoutSpec.mm in Sources */,
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254C6B8B1BF94F8A003EC431 /* ASTextKitShadower.mm in Sources */,
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34EFC7661B701CD200AD841F /* ASRelativeSize.mm in Sources */,
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@ -2223,6 +2256,7 @@
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9C70F2051CDA4F06007D6C76 /* ASTraitCollection.m in Sources */,
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34EFC7781B701D3100AD841F /* ASStackUnpositionedLayout.mm in Sources */,
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||||
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92074A6A1CC8BADA00918F75 /* ASControlNode+tvOS.m in Sources */,
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15
AsyncDisplayKit/ASNavigationController.h
Normal file
15
AsyncDisplayKit/ASNavigationController.h
Normal file
@ -0,0 +1,15 @@
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//
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// ASNavigationController.h
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// Pods
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//
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// Created by Garrett Moon on 4/27/16.
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//
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//
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#import <UIKit/UIKit.h>
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#import "ASVisibilityProtocols.h"
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@interface ASNavigationController : UINavigationController <ASManagesChildVisibilityDepth>
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@end
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121
AsyncDisplayKit/ASNavigationController.m
Normal file
121
AsyncDisplayKit/ASNavigationController.m
Normal file
@ -0,0 +1,121 @@
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//
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// ASNavigationController.m
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// Pods
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//
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// Created by Garrett Moon on 4/27/16.
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//
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//
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#import "ASNavigationController.h"
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@implementation ASNavigationController
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{
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BOOL _parentManagesVisibilityDepth;
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NSInteger _visibilityDepth;
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}
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- (void)didMoveToParentViewController:(UIViewController *)parent
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{
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[super didMoveToParentViewController:parent];
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[self visibilityDepthDidChange];
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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if (_parentManagesVisibilityDepth == NO) {
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_visibilityDepth = 0;
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[self visibilityDepthDidChange];
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}
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}
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- (void)viewDidDisappear:(BOOL)animated
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{
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[super viewDidDisappear:animated];
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if (_parentManagesVisibilityDepth == NO) {
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_visibilityDepth = 1;
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[self visibilityDepthDidChange];
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}
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}
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- (NSInteger)visibilityDepth
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{
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if (self.parentViewController && _parentManagesVisibilityDepth == NO) {
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_parentManagesVisibilityDepth = [self.parentViewController conformsToProtocol:@protocol(ASManagesChildVisibilityDepth)];
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}
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if (_parentManagesVisibilityDepth) {
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return [(id <ASManagesChildVisibilityDepth>)self.parentViewController visibilityDepthOfChildViewController:self];
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}
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return _visibilityDepth;
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}
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- (void)visibilityDepthDidChange
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{
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for (UIViewController *viewController in self.viewControllers) {
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if ([viewController conformsToProtocol:@protocol(ASVisibilityDepth)]) {
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[(id <ASVisibilityDepth>)viewController visibilityDepthDidChange];
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}
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}
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}
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- (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController
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{
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NSUInteger viewControllerIndex = [self.viewControllers indexOfObject:childViewController];
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NSAssert(viewControllerIndex != NSNotFound, @"childViewController is not in the navigation stack.");
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if (viewControllerIndex == self.viewControllers.count - 1) {
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//view controller is at the top
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return [self visibilityDepth] + 0;
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} else if (viewControllerIndex == 0) {
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//view controller is the root view controller. Can be accessed by holding the back button.
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return [self visibilityDepth] + 1;
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}
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return [self visibilityDepth] + self.viewControllers.count - 1 - viewControllerIndex;
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}
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#pragma mark - UIKit overrides
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- (NSArray *)popToViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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NSArray *viewControllers = [super popToViewController:viewController animated:animated];
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[self visibilityDepthDidChange];
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return viewControllers;
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}
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- (NSArray *)popToRootViewControllerAnimated:(BOOL)animated
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{
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NSArray *viewControllers = [super popToRootViewControllerAnimated:animated];
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[self visibilityDepthDidChange];
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return viewControllers;
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}
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- (void)setViewControllers:(NSArray *)viewControllers
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{
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[super setViewControllers:viewControllers];
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[self visibilityDepthDidChange];
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}
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- (void)setViewControllers:(NSArray *)viewControllers animated:(BOOL)animated
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{
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[super setViewControllers:viewControllers animated:animated];
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[self visibilityDepthDidChange];
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}
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- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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[super pushViewController:viewController animated:animated];
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[self visibilityDepthDidChange];
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}
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- (UIViewController *)popViewControllerAnimated:(BOOL)animated
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{
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UIViewController *viewController = [super popViewControllerAnimated:animated];
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[self visibilityDepthDidChange];
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return viewController;
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}
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@end
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15
AsyncDisplayKit/ASTabBarController.h
Normal file
15
AsyncDisplayKit/ASTabBarController.h
Normal file
@ -0,0 +1,15 @@
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//
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// ASTabBarController.h
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// AsyncDisplayKit
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||||
//
|
||||
// Created by Garrett Moon on 5/10/16.
|
||||
// Copyright © 2016 Facebook. All rights reserved.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
#import "ASVisibilityProtocols.h"
|
||||
|
||||
@interface ASTabBarController : UITabBarController <ASManagesChildVisibilityDepth>
|
||||
|
||||
@end
|
||||
98
AsyncDisplayKit/ASTabBarController.m
Normal file
98
AsyncDisplayKit/ASTabBarController.m
Normal file
@ -0,0 +1,98 @@
|
||||
//
|
||||
// ASTabBarController.m
|
||||
// AsyncDisplayKit
|
||||
//
|
||||
// Created by Garrett Moon on 5/10/16.
|
||||
// Copyright © 2016 Facebook. All rights reserved.
|
||||
//
|
||||
|
||||
#import "ASTabBarController.h"
|
||||
|
||||
@implementation ASTabBarController
|
||||
{
|
||||
BOOL _parentManagesVisibilityDepth;
|
||||
NSInteger _visibilityDepth;
|
||||
}
|
||||
|
||||
- (void)didMoveToParentViewController:(UIViewController *)parent
|
||||
{
|
||||
[super didMoveToParentViewController:parent];
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
|
||||
- (void)viewWillAppear:(BOOL)animated
|
||||
{
|
||||
[super viewWillAppear:animated];
|
||||
|
||||
if (_parentManagesVisibilityDepth == NO) {
|
||||
_visibilityDepth = 0;
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)viewDidDisappear:(BOOL)animated
|
||||
{
|
||||
[super viewDidDisappear:animated];
|
||||
|
||||
if (_parentManagesVisibilityDepth == NO) {
|
||||
_visibilityDepth = 1;
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
}
|
||||
|
||||
- (NSInteger)visibilityDepth
|
||||
{
|
||||
if (self.parentViewController && _parentManagesVisibilityDepth == NO) {
|
||||
_parentManagesVisibilityDepth = [self.parentViewController conformsToProtocol:@protocol(ASManagesChildVisibilityDepth)];
|
||||
}
|
||||
|
||||
if (_parentManagesVisibilityDepth) {
|
||||
return [(id <ASManagesChildVisibilityDepth>)self.parentViewController visibilityDepthOfChildViewController:self];
|
||||
}
|
||||
return _visibilityDepth;
|
||||
}
|
||||
|
||||
- (void)visibilityDepthDidChange
|
||||
{
|
||||
for (UIViewController *viewController in self.viewControllers) {
|
||||
if ([viewController conformsToProtocol:@protocol(ASVisibilityDepth)]) {
|
||||
[(id <ASVisibilityDepth>)viewController visibilityDepthDidChange];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController
|
||||
{
|
||||
if (self.selectedViewController == childViewController) {
|
||||
return [self visibilityDepth];
|
||||
}
|
||||
return [self visibilityDepth] + 1;
|
||||
}
|
||||
|
||||
#pragma mark - UIKit overrides
|
||||
|
||||
- (void)setViewControllers:(NSArray<__kindof UIViewController *> *)viewControllers
|
||||
{
|
||||
[super setViewControllers:viewControllers];
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
|
||||
- (void)setViewControllers:(NSArray<__kindof UIViewController *> *)viewControllers animated:(BOOL)animated
|
||||
{
|
||||
[super setViewControllers:viewControllers animated:animated];
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
|
||||
- (void)setSelectedIndex:(NSUInteger)selectedIndex
|
||||
{
|
||||
[super setSelectedIndex:selectedIndex];
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
|
||||
- (void)setSelectedViewController:(__kindof UIViewController *)selectedViewController
|
||||
{
|
||||
[super setSelectedViewController:selectedViewController];
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
|
||||
@end
|
||||
@ -8,6 +8,7 @@
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
#import <AsyncDisplayKit/ASDisplayNode.h>
|
||||
#import <AsyncDisplayKit/ASVisibilityProtocols.h>
|
||||
|
||||
@class ASTraitCollection;
|
||||
|
||||
@ -16,7 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
|
||||
typedef ASTraitCollection * _Nonnull (^ASDisplayTraitsForTraitCollectionBlock)(UITraitCollection *traitCollection);
|
||||
typedef ASTraitCollection * _Nonnull (^ASDisplayTraitsForTraitWindowSizeBlock)(CGSize windowSize);
|
||||
|
||||
@interface ASViewController<__covariant DisplayNodeType : ASDisplayNode *> : UIViewController
|
||||
@interface ASViewController<__covariant DisplayNodeType : ASDisplayNode *> : UIViewController <ASVisibilityDepth>
|
||||
|
||||
- (instancetype)initWithNode:(DisplayNodeType)node NS_DESIGNATED_INITIALIZER;
|
||||
|
||||
|
||||
@ -13,10 +13,14 @@
|
||||
#import "ASDisplayNode+Beta.h"
|
||||
#import "ASRangeControllerUpdateRangeProtocol+Beta.h"
|
||||
|
||||
#define AS_LOG_VISIBILITY_CHANGES 1
|
||||
|
||||
@implementation ASViewController
|
||||
{
|
||||
BOOL _ensureDisplayed;
|
||||
BOOL _automaticallyAdjustRangeModeBasedOnViewEvents;
|
||||
BOOL _parentManagesVisibilityDepth;
|
||||
NSInteger _visibilityDepth;
|
||||
}
|
||||
|
||||
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
|
||||
@ -81,21 +85,75 @@
|
||||
[super viewDidLayoutSubviews];
|
||||
}
|
||||
|
||||
- (void)didMoveToParentViewController:(UIViewController *)parent
|
||||
{
|
||||
[super didMoveToParentViewController:parent];
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
|
||||
- (void)viewWillAppear:(BOOL)animated
|
||||
{
|
||||
[super viewWillAppear:animated];
|
||||
_ensureDisplayed = YES;
|
||||
[_node measureWithSizeRange:[self nodeConstrainedSize]];
|
||||
[_node recursivelyFetchData];
|
||||
|
||||
[self updateCurrentRangeModeWithModeIfPossible:ASLayoutRangeModeFull];
|
||||
|
||||
if (_parentManagesVisibilityDepth == NO) {
|
||||
_visibilityDepth = 0;
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)viewDidDisappear:(BOOL)animated
|
||||
{
|
||||
[super viewDidDisappear:animated];
|
||||
|
||||
[self updateCurrentRangeModeWithModeIfPossible:ASLayoutRangeModeMinimum];
|
||||
if (_parentManagesVisibilityDepth == NO) {
|
||||
_visibilityDepth = 1;
|
||||
[self visibilityDepthDidChange];
|
||||
}
|
||||
}
|
||||
|
||||
- (NSInteger)visibilityDepth
|
||||
{
|
||||
if (self.parentViewController && _parentManagesVisibilityDepth == NO) {
|
||||
_parentManagesVisibilityDepth = [self.parentViewController conformsToProtocol:@protocol(ASManagesChildVisibilityDepth)];
|
||||
}
|
||||
|
||||
if (_parentManagesVisibilityDepth) {
|
||||
return [(id <ASManagesChildVisibilityDepth>)self.parentViewController visibilityDepthOfChildViewController:self];
|
||||
}
|
||||
return _visibilityDepth;
|
||||
}
|
||||
|
||||
- (void)visibilityDepthDidChange
|
||||
{
|
||||
ASLayoutRangeMode rangeMode = ASLayoutRangeModeForVisibilityDepth(self.visibilityDepth);
|
||||
#if AS_LOG_VISIBILITY_CHANGES
|
||||
NSString *rangeModeString;
|
||||
switch (rangeMode) {
|
||||
case ASLayoutRangeModeMinimum:
|
||||
rangeModeString = @"Minimum";
|
||||
break;
|
||||
|
||||
case ASLayoutRangeModeFull:
|
||||
rangeModeString = @"Full";
|
||||
break;
|
||||
|
||||
case ASLayoutRangeModeVisibleOnly:
|
||||
rangeModeString = @"Visible Only";
|
||||
break;
|
||||
|
||||
case ASLayoutRangeModeLowMemory:
|
||||
rangeModeString = @"Low Memory";
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
NSLog(@"Updating visibility of:%@ to: %@ (visibility depth: %d)", self, rangeModeString, self.visibilityDepth);
|
||||
#endif
|
||||
[self updateCurrentRangeModeWithModeIfPossible:rangeMode];
|
||||
}
|
||||
|
||||
#pragma mark - Automatic range mode
|
||||
@ -113,7 +171,9 @@
|
||||
- (void)updateCurrentRangeModeWithModeIfPossible:(ASLayoutRangeMode)rangeMode
|
||||
{
|
||||
if (!_automaticallyAdjustRangeModeBasedOnViewEvents) { return; }
|
||||
if (![_node conformsToProtocol:@protocol(ASRangeControllerUpdateRangeProtocol)]) { return; }
|
||||
if (![_node conformsToProtocol:@protocol(ASRangeControllerUpdateRangeProtocol)]) {
|
||||
return;
|
||||
}
|
||||
|
||||
id<ASRangeControllerUpdateRangeProtocol> updateRangeNode = (id<ASRangeControllerUpdateRangeProtocol>)_node;
|
||||
[updateRangeNode updateCurrentRangeWithMode:rangeMode];
|
||||
|
||||
45
AsyncDisplayKit/ASVisibilityProtocols.h
Normal file
45
AsyncDisplayKit/ASVisibilityProtocols.h
Normal file
@ -0,0 +1,45 @@
|
||||
//
|
||||
// ASVisibilityProtocols.h
|
||||
// Pods
|
||||
//
|
||||
// Created by Garrett Moon on 4/27/16.
|
||||
//
|
||||
//
|
||||
|
||||
#import "ASLayoutRangeType.h"
|
||||
|
||||
ASLayoutRangeMode ASLayoutRangeModeForVisibilityDepth(NSUInteger visibilityDepth);
|
||||
|
||||
@protocol ASVisibilityDepth <NSObject>
|
||||
|
||||
/**
|
||||
* @abstract Represents the number of user actions necessary to reach the view controller. An increased visibility
|
||||
* depth indicates a higher number of user interactions for the view controller to be visible again. For example,
|
||||
* an onscreen navigation controller's top view controller should have a visibility depth of 0. The view controller
|
||||
* one from the top should have a visibility deptch of 1 as should the root view controller in the stack (because
|
||||
* the user can hold the back button to pop to the root view controller).
|
||||
*
|
||||
* Visibility depth is used to automatically adjust ranges on range controllers (and thus free up memory) and can
|
||||
* be used to reduce memory usage of other items as well.
|
||||
*/
|
||||
- (NSInteger)visibilityDepth;
|
||||
|
||||
|
||||
- (void)visibilityDepthDidChange;
|
||||
|
||||
@end
|
||||
|
||||
/**
|
||||
* @abstract Container view controllers should adopt this protocol to indicate that they will manage their child's
|
||||
* visibilityDepth. For example, ASNavigationController adopts this protocol and manages its childrens visibility
|
||||
* depth.
|
||||
*
|
||||
* If you adopt this protocol, you *must* also emit visibilityDepthDidChange messages to child view controllers.
|
||||
*
|
||||
* @param childViewController Expected to return the visibility depth of the child view controller.
|
||||
*/
|
||||
@protocol ASManagesChildVisibilityDepth <ASVisibilityDepth>
|
||||
|
||||
- (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController;
|
||||
|
||||
@end
|
||||
23
AsyncDisplayKit/ASVisibilityProtocols.m
Normal file
23
AsyncDisplayKit/ASVisibilityProtocols.m
Normal file
@ -0,0 +1,23 @@
|
||||
//
|
||||
// ASVisibilityProtocols.m
|
||||
// Pods
|
||||
//
|
||||
// Created by Garrett Moon on 4/28/16.
|
||||
//
|
||||
//
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
|
||||
#import "ASVisibilityProtocols.h"
|
||||
|
||||
ASLayoutRangeMode ASLayoutRangeModeForVisibilityDepth(NSUInteger visibilityDepth)
|
||||
{
|
||||
if (visibilityDepth == 0) {
|
||||
return ASLayoutRangeModeFull;
|
||||
} else if (visibilityDepth == 1) {
|
||||
return ASLayoutRangeModeMinimum;
|
||||
} else if (visibilityDepth == 2) {
|
||||
return ASLayoutRangeModeVisibleOnly;
|
||||
}
|
||||
return ASLayoutRangeModeLowMemory;
|
||||
}
|
||||
@ -34,6 +34,8 @@
|
||||
#import <AsyncDisplayKit/ASPagerNode.h>
|
||||
|
||||
#import <AsyncDisplayKit/ASViewController.h>
|
||||
#import <AsyncDisplayKit/ASNavigationController.h>
|
||||
#import <AsyncDisplayKit/ASTabBarController.h>
|
||||
#import <AsyncDisplayKit/ASRangeControllerUpdateRangeProtocol+Beta.h>
|
||||
|
||||
#import <AsyncDisplayKit/ASChangeSetDataController.h>
|
||||
@ -78,6 +80,7 @@
|
||||
#import <AsyncDisplayKit/ASRunLoopQueue.h>
|
||||
#import <AsyncDisplayKit/ASTextKitComponents.h>
|
||||
#import <AsyncDisplayKit/ASTraitCollection.h>
|
||||
#import <AsyncDisplayKit/ASVisibilityProtocols.h>
|
||||
|
||||
#import <AsyncDisplayKit/AsyncDisplayKit+Debug.h>
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user