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Remove ASRangeHandler protocol with all classes that implement it

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With the move to the new ASRangeController we don't need the ASRangeHandler protocol anymore
This commit is contained in:
Michael Schneider 2016-02-08 12:57:05 -08:00
parent fa2a058585
commit 28207c678d
10 changed files with 0 additions and 253 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
AsyncDisplayKit.xcodeproj/project.pbxproj
View File

@ -186,10 +186,6 @@
257754C21BEE458E00737CA5 /* ASTextKitCoreTextAdditions.h in Headers */ = {isa = PBXBuildFile; fileRef = 257754BB1BEE458E00737CA5 /* ASTextKitCoreTextAdditions.h */; settings = {ATTRIBUTES = (Public, ); }; };
257754C31BEE458E00737CA5 /* ASTextNodeTypes.h in Headers */ = {isa = PBXBuildFile; fileRef = 257754BC1BEE458E00737CA5 /* ASTextNodeTypes.h */; settings = {ATTRIBUTES = (Public, ); }; };
257754C41BEE458E00737CA5 /* ASTextNodeWordKerner.m in Sources */ = {isa = PBXBuildFile; fileRef = 257754BD1BEE458E00737CA5 /* ASTextNodeWordKerner.m */; };
258FF4271C0D152600A83844 /* ASRangeHandlerVisible.h in Headers */ = {isa = PBXBuildFile; fileRef = 258FF4251C0D152600A83844 /* ASRangeHandlerVisible.h */; };
258FF4281C0D152600A83844 /* ASRangeHandlerVisible.mm in Sources */ = {isa = PBXBuildFile; fileRef = 258FF4261C0D152600A83844 /* ASRangeHandlerVisible.mm */; };
25A977EF1C0D2A5500406B62 /* ASRangeHandlerVisible.mm in Sources */ = {isa = PBXBuildFile; fileRef = 258FF4261C0D152600A83844 /* ASRangeHandlerVisible.mm */; };
25BAA16F1C0D18D2002747C7 /* ASRangeHandlerVisible.h in Headers */ = {isa = PBXBuildFile; fileRef = 258FF4251C0D152600A83844 /* ASRangeHandlerVisible.h */; };
25E327561C16819500A2170C /* ASPagerNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 25E327541C16819500A2170C /* ASPagerNode.h */; settings = {ATTRIBUTES = (Public, ); }; };
25E327571C16819500A2170C /* ASPagerNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 25E327541C16819500A2170C /* ASPagerNode.h */; settings = {ATTRIBUTES = (Public, ); }; };
25E327581C16819500A2170C /* ASPagerNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 25E327551C16819500A2170C /* ASPagerNode.m */; };
@ -199,11 +195,6 @@
2911485C1A77147A005D0878 /* ASControlNodeTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 2911485B1A77147A005D0878 /* ASControlNodeTests.m */; };
291B63FB1AA53A7A000A71B3 /* ASScrollDirection.h in Headers */ = {isa = PBXBuildFile; fileRef = 296A0A311A951715005ACEAA /* ASScrollDirection.h */; settings = {ATTRIBUTES = (Public, ); }; };
292C599F1A956527007E5DD6 /* ASLayoutRangeType.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C59991A956527007E5DD6 /* ASLayoutRangeType.h */; settings = {ATTRIBUTES = (Public, ); }; };
292C59A01A956527007E5DD6 /* ASRangeHandlerPreload.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C599A1A956527007E5DD6 /* ASRangeHandlerPreload.h */; settings = {ATTRIBUTES = (Public, ); }; };
292C59A11A956527007E5DD6 /* ASRangeHandlerPreload.mm in Sources */ = {isa = PBXBuildFile; fileRef = 292C599B1A956527007E5DD6 /* ASRangeHandlerPreload.mm */; };
292C59A21A956527007E5DD6 /* ASRangeHandler.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C599C1A956527007E5DD6 /* ASRangeHandler.h */; settings = {ATTRIBUTES = (Public, ); }; };
292C59A31A956527007E5DD6 /* ASRangeHandlerRender.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C599D1A956527007E5DD6 /* ASRangeHandlerRender.h */; settings = {ATTRIBUTES = (Public, ); }; };
292C59A41A956527007E5DD6 /* ASRangeHandlerRender.mm in Sources */ = {isa = PBXBuildFile; fileRef = 292C599E1A956527007E5DD6 /* ASRangeHandlerRender.mm */; };
2967F9E21AB0A5190072E4AB /* ASBasicImageDownloaderInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = 2967F9E11AB0A4CF0072E4AB /* ASBasicImageDownloaderInternal.h */; };
296A0A351A951ABF005ACEAA /* ASBatchFetchingTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 296A0A341A951ABF005ACEAA /* ASBatchFetchingTests.m */; };
299DA1A91A828D2900162D41 /* ASBatchContext.h in Headers */ = {isa = PBXBuildFile; fileRef = 299DA1A71A828D2900162D41 /* ASBatchContext.h */; settings = {ATTRIBUTES = (Public, ); }; };
@ -424,11 +415,6 @@
B35062251B010EFD0018CF92 /* ASMutableAttributedStringBuilder.m in Sources */ = {isa = PBXBuildFile; fileRef = 058D09E9195D050800B7D73C /* ASMutableAttributedStringBuilder.m */; };
B35062261B010EFD0018CF92 /* ASRangeController.h in Headers */ = {isa = PBXBuildFile; fileRef = 055F1A3619ABD413004DAFF1 /* ASRangeController.h */; settings = {ATTRIBUTES = (Public, ); }; };
B35062271B010EFD0018CF92 /* ASRangeController.mm in Sources */ = {isa = PBXBuildFile; fileRef = 055F1A3719ABD413004DAFF1 /* ASRangeController.mm */; };
B35062281B010EFD0018CF92 /* ASRangeHandler.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C599C1A956527007E5DD6 /* ASRangeHandler.h */; settings = {ATTRIBUTES = (Public, ); }; };
B35062291B010EFD0018CF92 /* ASRangeHandlerPreload.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C599A1A956527007E5DD6 /* ASRangeHandlerPreload.h */; settings = {ATTRIBUTES = (Public, ); }; };
B350622A1B010EFD0018CF92 /* ASRangeHandlerPreload.mm in Sources */ = {isa = PBXBuildFile; fileRef = 292C599B1A956527007E5DD6 /* ASRangeHandlerPreload.mm */; };
B350622B1B010EFD0018CF92 /* ASRangeHandlerRender.h in Headers */ = {isa = PBXBuildFile; fileRef = 292C599D1A956527007E5DD6 /* ASRangeHandlerRender.h */; settings = {ATTRIBUTES = (Public, ); }; };
B350622C1B010EFD0018CF92 /* ASRangeHandlerRender.mm in Sources */ = {isa = PBXBuildFile; fileRef = 292C599E1A956527007E5DD6 /* ASRangeHandlerRender.mm */; };
B350622D1B010EFD0018CF92 /* ASScrollDirection.h in Headers */ = {isa = PBXBuildFile; fileRef = 296A0A311A951715005ACEAA /* ASScrollDirection.h */; settings = {ATTRIBUTES = (Public, ); }; };
B35062391B010EFD0018CF92 /* ASThread.h in Headers */ = {isa = PBXBuildFile; fileRef = 058D0A12195D050800B7D73C /* ASThread.h */; settings = {ATTRIBUTES = (Public, ); }; };
B350623A1B010EFD0018CF92 /* NSMutableAttributedString+TextKitAdditions.h in Headers */ = {isa = PBXBuildFile; fileRef = 058D09F5195D050800B7D73C /* NSMutableAttributedString+TextKitAdditions.h */; settings = {ATTRIBUTES = (Public, ); }; };
@ -684,17 +670,10 @@
257754BB1BEE458E00737CA5 /* ASTextKitCoreTextAdditions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASTextKitCoreTextAdditions.h; path = TextKit/ASTextKitCoreTextAdditions.h; sourceTree = "<group>"; };
257754BC1BEE458E00737CA5 /* ASTextNodeTypes.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASTextNodeTypes.h; path = TextKit/ASTextNodeTypes.h; sourceTree = "<group>"; };
257754BD1BEE458E00737CA5 /* ASTextNodeWordKerner.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = ASTextNodeWordKerner.m; path = TextKit/ASTextNodeWordKerner.m; sourceTree = "<group>"; };
258FF4251C0D152600A83844 /* ASRangeHandlerVisible.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASRangeHandlerVisible.h; sourceTree = "<group>"; };
258FF4261C0D152600A83844 /* ASRangeHandlerVisible.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASRangeHandlerVisible.mm; sourceTree = "<group>"; };
25E327541C16819500A2170C /* ASPagerNode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = ASPagerNode.h; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
25E327551C16819500A2170C /* ASPagerNode.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; lineEnding = 0; path = ASPagerNode.m; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objc; };
2911485B1A77147A005D0878 /* ASControlNodeTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ASControlNodeTests.m; sourceTree = "<group>"; };
292C59991A956527007E5DD6 /* ASLayoutRangeType.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASLayoutRangeType.h; sourceTree = "<group>"; };
292C599A1A956527007E5DD6 /* ASRangeHandlerPreload.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASRangeHandlerPreload.h; sourceTree = "<group>"; };
292C599B1A956527007E5DD6 /* ASRangeHandlerPreload.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASRangeHandlerPreload.mm; sourceTree = "<group>"; };
292C599C1A956527007E5DD6 /* ASRangeHandler.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASRangeHandler.h; sourceTree = "<group>"; };
292C599D1A956527007E5DD6 /* ASRangeHandlerRender.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASRangeHandlerRender.h; sourceTree = "<group>"; };
292C599E1A956527007E5DD6 /* ASRangeHandlerRender.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASRangeHandlerRender.mm; sourceTree = "<group>"; };
2967F9E11AB0A4CF0072E4AB /* ASBasicImageDownloaderInternal.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ASBasicImageDownloaderInternal.h; sourceTree = "<group>"; };
296A0A311A951715005ACEAA /* ASScrollDirection.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASScrollDirection.h; path = AsyncDisplayKit/Details/ASScrollDirection.h; sourceTree = SOURCE_ROOT; };
296A0A341A951ABF005ACEAA /* ASBatchFetchingTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ASBatchFetchingTests.m; sourceTree = "<group>"; };
@ -1091,13 +1070,6 @@
058D09E9195D050800B7D73C /* ASMutableAttributedStringBuilder.m */,
055F1A3619ABD413004DAFF1 /* ASRangeController.h */,
055F1A3719ABD413004DAFF1 /* ASRangeController.mm */,
292C599C1A956527007E5DD6 /* ASRangeHandler.h */,
258FF4251C0D152600A83844 /* ASRangeHandlerVisible.h */,
258FF4261C0D152600A83844 /* ASRangeHandlerVisible.mm */,
292C599A1A956527007E5DD6 /* ASRangeHandlerPreload.h */,
292C599B1A956527007E5DD6 /* ASRangeHandlerPreload.mm */,
292C599D1A956527007E5DD6 /* ASRangeHandlerRender.h */,
292C599E1A956527007E5DD6 /* ASRangeHandlerRender.mm */,
296A0A311A951715005ACEAA /* ASScrollDirection.h */,
205F0E111B371BD7007741D0 /* ASScrollDirection.m */,
058D0A12195D050800B7D73C /* ASThread.h */,
@ -1360,7 +1332,6 @@
DECBD6E71BE56E1900CF4905 /* ASButtonNode.h in Headers */,
DBC452DB1C5BF64600B16017 /* NSArray+Diffing.h in Headers */,
058D0A4C195D05CB00B7D73C /* ASDisplayNode+Subclasses.h in Headers */,
258FF4271C0D152600A83844 /* ASRangeHandlerVisible.h in Headers */,
058D0A4A195D05CB00B7D73C /* ASDisplayNode.h in Headers */,
058D0A84195D060300B7D73C /* ASDisplayNodeExtraIvars.h in Headers */,
AC7A2C171BDE11DF0093FE1A /* ASTableViewInternal.h in Headers */,
@ -1403,9 +1374,6 @@
055B9FA81A1C154B00035D6D /* ASNetworkImageNode.h in Headers */,
ACF6ED2B1B17843500DA7C62 /* ASOverlayLayoutSpec.h in Headers */,
055F1A3819ABD413004DAFF1 /* ASRangeController.h in Headers */,
292C59A21A956527007E5DD6 /* ASRangeHandler.h in Headers */,
292C59A01A956527007E5DD6 /* ASRangeHandlerPreload.h in Headers */,
292C59A31A956527007E5DD6 /* ASRangeHandlerRender.h in Headers */,
ACF6ED2D1B17843500DA7C62 /* ASRatioLayoutSpec.h in Headers */,
AC47D9451B3BB41900AAEE9D /* ASRelativeSize.h in Headers */,
291B63FB1AA53A7A000A71B3 /* ASScrollDirection.h in Headers */,
@ -1447,7 +1415,6 @@
buildActionMask = 2147483647;
files = (
AC026B6A1BD57D6F00BBC17E /* ASChangeSetDataController.h in Headers */,
25BAA16F1C0D18D2002747C7 /* ASRangeHandlerVisible.h in Headers */,
B35062481B010EFD0018CF92 /* _AS-objc-internal.h in Headers */,
B350623C1B010EFD0018CF92 /* _ASAsyncTransaction.h in Headers */,
B350623E1B010EFD0018CF92 /* _ASAsyncTransactionContainer+Private.h in Headers */,
@ -1531,9 +1498,6 @@
B35062061B010EFD0018CF92 /* ASNetworkImageNode.h in Headers */,
34EFC76C1B701CED00AD841F /* ASOverlayLayoutSpec.h in Headers */,
B35062261B010EFD0018CF92 /* ASRangeController.h in Headers */,
B35062281B010EFD0018CF92 /* ASRangeHandler.h in Headers */,
B35062291B010EFD0018CF92 /* ASRangeHandlerPreload.h in Headers */,
B350622B1B010EFD0018CF92 /* ASRangeHandlerRender.h in Headers */,
34EFC76E1B701CF400AD841F /* ASRatioLayoutSpec.h in Headers */,
34EFC7651B701CCC00AD841F /* ASRelativeSize.h in Headers */,
254C6B741BF94DF4003EC431 /* ASTextNodeWordKerner.h in Headers */,
@ -1828,8 +1792,6 @@
257754AB1BEE44CD00737CA5 /* ASTextKitEntityAttribute.m in Sources */,
055F1A3919ABD413004DAFF1 /* ASRangeController.mm in Sources */,
044285091BAA63FE00D16268 /* ASBatchFetching.m in Sources */,
292C59A11A956527007E5DD6 /* ASRangeHandlerPreload.mm in Sources */,
292C59A41A956527007E5DD6 /* ASRangeHandlerRender.mm in Sources */,
257754AE1BEE44CD00737CA5 /* ASTextKitRenderer+Positioning.mm in Sources */,
ACF6ED2E1B17843500DA7C62 /* ASRatioLayoutSpec.mm in Sources */,
AC47D9461B3BB41900AAEE9D /* ASRelativeSize.mm in Sources */,
@ -1837,7 +1799,6 @@
D785F6631A74327E00291744 /* ASScrollNode.m in Sources */,
058D0A2C195D050800B7D73C /* ASSentinel.m in Sources */,
9C8221971BA237B80037F19A /* ASStackBaselinePositionedLayout.mm in Sources */,
258FF4281C0D152600A83844 /* ASRangeHandlerVisible.mm in Sources */,
251B8EF81BBB3D690087C538 /* ASCollectionDataController.mm in Sources */,
ACF6ED301B17843500DA7C62 /* ASStackLayoutSpec.mm in Sources */,
257754BE1BEE458E00737CA5 /* ASTextKitHelpers.mm in Sources */,
@ -1966,14 +1927,11 @@
044285101BAA64EC00D16268 /* ASMultidimensionalArrayUtils.mm in Sources */,
B35062271B010EFD0018CF92 /* ASRangeController.mm in Sources */,
0442850A1BAA63FE00D16268 /* ASBatchFetching.m in Sources */,
B350622A1B010EFD0018CF92 /* ASRangeHandlerPreload.mm in Sources */,
B350622C1B010EFD0018CF92 /* ASRangeHandlerRender.mm in Sources */,
34EFC76F1B701CF700AD841F /* ASRatioLayoutSpec.mm in Sources */,
254C6B8B1BF94F8A003EC431 /* ASTextKitShadower.mm in Sources */,
34EFC7661B701CD200AD841F /* ASRelativeSize.mm in Sources */,
254C6B851BF94F8A003EC431 /* ASTextKitAttributes.mm in Sources */,
509E68601B3AED8E009B9150 /* ASScrollDirection.m in Sources */,
25A977EF1C0D2A5500406B62 /* ASRangeHandlerVisible.mm in Sources */,
B35062091B010EFD0018CF92 /* ASScrollNode.m in Sources */,
B35062561B010EFD0018CF92 /* ASSentinel.m in Sources */,
9C8221981BA237B80037F19A /* ASStackBaselinePositionedLayout.mm in Sources */,

3
AsyncDisplayKit/AsyncDisplayKit.h
View File

@ -63,9 +63,6 @@
#import <AsyncDisplayKit/ASLayoutOptions.h>
#import <AsyncDisplayKit/ASLog.h>
#import <AsyncDisplayKit/ASMutableAttributedStringBuilder.h>
#import <AsyncDisplayKit/ASRangeHandler.h>
#import <AsyncDisplayKit/ASRangeHandlerPreload.h>
#import <AsyncDisplayKit/ASRangeHandlerRender.h>
#import <AsyncDisplayKit/ASThread.h>
#import <AsyncDisplayKit/CGRect+ASConvenience.h>
#import <AsyncDisplayKit/NSMutableAttributedString+TextKitAdditions.h>

3
AsyncDisplayKit/Details/ASRangeController.mm
View File

@ -12,9 +12,6 @@
#import "ASDisplayNodeExtras.h"
#import "ASDisplayNodeInternal.h"
#import "ASMultiDimensionalArrayUtils.h"
#import "ASRangeHandlerVisible.h"
#import "ASRangeHandlerRender.h"
#import "ASRangeHandlerPreload.h"
#import "ASInternalHelpers.h"
#import "ASDisplayNode+FrameworkPrivate.h"

26
AsyncDisplayKit/Details/ASRangeHandler.h
View File

@ -1,26 +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 <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASLayoutRangeType.h>
NS_ASSUME_NONNULL_BEGIN
@class ASDisplayNode;
@protocol ASRangeHandler <NSObject>
@required
- (void)node:(ASDisplayNode *)node enteredRangeOfType:(ASLayoutRangeType)rangeType;
- (void)node:(ASDisplayNode *)node exitedRangeOfType:(ASLayoutRangeType)rangeType;
@end
NS_ASSUME_NONNULL_END

19
AsyncDisplayKit/Details/ASRangeHandlerPreload.h
View File

@ -1,19 +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 <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASRangeHandler.h>
NS_ASSUME_NONNULL_BEGIN
@interface ASRangeHandlerPreload : NSObject <ASRangeHandler>
@end
NS_ASSUME_NONNULL_END

27
AsyncDisplayKit/Details/ASRangeHandlerPreload.mm
View File

@ -1,27 +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 "ASRangeHandlerPreload.h"
#import "ASDisplayNode.h"
#import "ASDisplayNode+FrameworkPrivate.h"
@implementation ASRangeHandlerPreload
- (void)node:(ASDisplayNode *)node enteredRangeOfType:(ASLayoutRangeType)rangeType
{
ASDisplayNodeAssert(rangeType == ASLayoutRangeTypeFetchData, @"Preload delegate should not handle other ranges");
[node enterInterfaceState:ASInterfaceStateFetchData];
}
- (void)node:(ASDisplayNode *)node exitedRangeOfType:(ASLayoutRangeType)rangeType
{
ASDisplayNodeAssert(rangeType == ASLayoutRangeTypeFetchData, @"Preload delegate should not handle other ranges");
[node exitInterfaceState:ASInterfaceStateFetchData];
}
@end

19
AsyncDisplayKit/Details/ASRangeHandlerRender.h
View File

@ -1,19 +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 <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASRangeHandler.h>
NS_ASSUME_NONNULL_BEGIN
@interface ASRangeHandlerRender : NSObject <ASRangeHandler>
@end
NS_ASSUME_NONNULL_END

74
AsyncDisplayKit/Details/ASRangeHandlerRender.mm
View File

@ -1,74 +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 "ASRangeHandlerRender.h"
#import "ASDisplayNode.h"
#import "ASDisplayNode+Subclasses.h"
#import "ASDisplayNode+FrameworkPrivate.h"
#import "ASDisplayNode+Beta.h"
@interface ASRangeHandlerRender ()
@property (nonatomic,readonly) UIWindow *workingWindow;
@end
@implementation ASRangeHandlerRender
- (void)node:(ASDisplayNode *)node enteredRangeOfType:(ASLayoutRangeType)rangeType
{
ASDisplayNodeAssertMainThread();
ASDisplayNodeAssert(rangeType == ASLayoutRangeTypeDisplay, @"Render delegate should not handle other ranges");
// If a node had previously been onscreen but now is only in the working range,
// ensure its view is not orphaned in a UITableViewCell in the reuse pool.
if (![node isLayerBacked] && node.view.superview) {
[node.view removeFromSuperview];
}
// The node un-suspends display.
[node enterInterfaceState:ASInterfaceStateDisplay];
// ASDisplayNodeAssert(![ASDisplayNode shouldUseNewRenderingRange], @"It should no longer be possible to reach this point with the new display range enabled");
[node recursivelyEnsureDisplaySynchronously:NO];
}
- (void)node:(ASDisplayNode *)node exitedRangeOfType:(ASLayoutRangeType)rangeType
{
ASDisplayNodeAssertMainThread();
ASDisplayNodeAssert(rangeType == ASLayoutRangeTypeDisplay, @"Render delegate should not handle other ranges");
// This code is tricky. There are several possible states a node can be in when it reaches this point.
// 1. Layer-backed vs view-backed nodes. AS of this writing, only ASCellNodes arrive here, which are always view-backed —
// but we maintain correctness for all ASDisplayNodes, including layer-backed ones.
// (Note: it would not make sense to pass in a subnode of a rasterized node here, so that is unsupported).
// 2. The node's layer may have been added to the workingWindow previously, or it may have never been added, such as if rangeTuningParameter's leading value is 0.
// 3. The node's layer may not be present in the workingWindow, even if it was previously added.
// This is a common case, as once the node is added to an active cell contentsView (e.g. visible), it is automatically removed from the workingWindow.
// The system does this when addSublayer is called, even if removeFromSuperlayer is never explicitly called.
// 4. Lastly and most unusually, it is possible for a node to be offscreen, completely outside the heirarchy, and yet considered within the working range.
// This happens if the UITableViewCell is reused after scrolling offscreen. Because the node has already been given the opportunity to display, we do not
// proactively re-host it within the workingWindow (improving efficiency). Some time later, it may fall outside the working range, in which case calling
// -recursivelyClearContents is critical. If the user scrolls back and it is re-hosted in a UITableViewCell, the content will still exist as it is not cleared
// by simply being removed from the cell. The code that usually triggers this condition is the -removeFromSuperview in -[ASRangeController configureContentView:forCellNode:].
// Condition #4 is suboptimal in some cases, as it is conceivable that memory warnings could trigger clearing content that is inside the working range. However, enforcing the
// preservation of this content could result in the app being killed, which is not likely preferable over briefly seeing placeholders in the event the user scrolls backwards.
// Nonetheless, future changes to the implementation will likely eliminate this behavior to simplify debugging and extensibility of working range functionality.
// The node calls clearCurrentContents and suspends display
[node exitInterfaceState:ASInterfaceStateDisplay];
// ASDisplayNodeAssert(![ASDisplayNode shouldUseNewRenderingRange], @"It should no longer be possible to reach this point with the new display range enabled");
if (![node isLayerBacked]) {
[node.view removeFromSuperview];
} else {
[node.layer removeFromSuperlayer];
}
}
@end

15
AsyncDisplayKit/Details/ASRangeHandlerVisible.h
View File

@ -1,15 +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 <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASRangeHandler.h>
@interface ASRangeHandlerVisible : NSObject <ASRangeHandler>
@end

25
AsyncDisplayKit/Details/ASRangeHandlerVisible.mm
View File

@ -1,25 +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 "ASRangeHandlerVisible.h"
#import "ASDisplayNode.h"
#import "ASDisplayNode+FrameworkPrivate.h"
@implementation ASRangeHandlerVisible
- (void)node:(ASDisplayNode *)node enteredRangeOfType:(ASLayoutRangeType)rangeType
{
[node enterInterfaceState:ASInterfaceStateVisible];
}
- (void)node:(ASDisplayNode *)node exitedRangeOfType:(ASLayoutRangeType)rangeType
{
[node exitInterfaceState:ASInterfaceStateVisible];
}
@end