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Several small optimizations, especially to _ASPendingState and other hot paths.

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This commit is contained in:
Scott Goodson
2015-12-23 16:38:33 -08:00
parent dd6ddfc0a2
commit 928c440b4c
7 changed files with 48 additions and 28 deletions
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5
AsyncDisplayKit/ASControlNode.m
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@@ -76,7 +76,6 @@ void _ASEnumerateControlEventsIncludedInMaskWithBlock(ASControlNodeEvent mask, v
if (!(self = [super init]))
return nil;
_controlEventDispatchTable = [[NSMutableDictionary alloc] initWithCapacity:kASControlNodeEventDispatchTableInitialCapacity]; // enough to handle common types without re-hashing the dictionary when adding entries.
_enabled = YES;
// As we have no targets yet, we start off with user interaction off. When a target is added, it'll get turned back on.
@@ -214,6 +213,10 @@ void _ASEnumerateControlEventsIncludedInMaskWithBlock(ASControlNodeEvent mask, v
// Convert nil to [NSNull null] so that it can be used as a key for NSMapTable.
if (!target)
target = [NSNull null];
if (!_controlEventDispatchTable) {
_controlEventDispatchTable = [[NSMutableDictionary alloc] initWithCapacity:kASControlNodeEventDispatchTableInitialCapacity]; // enough to handle common types without re-hashing the dictionary when adding entries.
}
// Enumerate the events in the mask, adding the target-action pair for each control event included in controlEventMask
_ASEnumerateControlEventsIncludedInMaskWithBlock(controlEventMask, ^