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Change assumed value for text node highlighting delegate method to YES and don't consult it unless highlighting.

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This commit is contained in:
Adlai Holler
2015-12-03 20:52:02 -08:00
parent 61f2f73b16
commit 835acd6a25
2 changed files with 14 additions and 9 deletions
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2
AsyncDisplayKit/ASTextNode.h
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@@ -245,7 +245,7 @@ typedef NS_ENUM(NSUInteger, ASTextNodeHighlightStyle) {
@param attribute The attribute that was tapped. Will not be nil.
@param value The value of the tapped attribute.
@param point The point within textNode, in textNode's coordinate system, that was touched to trigger a highlight.
@discussion If not implemented, the default value is NO.
@discussion If not implemented, the default value is YES.
@return YES if the entity attribute should be a link, NO otherwise.
*/
- (BOOL)textNode:(ASTextNode *)textNode shouldHighlightLinkAttribute:(NSString *)attribute value:(id)value atPoint:(CGPoint)point;

21
AsyncDisplayKit/ASTextNode.mm
View File

@@ -394,13 +394,15 @@ static NSString *ASTextNodeTruncationTokenAttributeName = @"ASTextNodeTruncation
return [self _linkAttributeValueAtPoint:point
attributeName:attributeNameOut
range:rangeOut
inAdditionalTruncationMessage:NULL];
inAdditionalTruncationMessage:NULL
forHighlighting:NO];
}
- (id)_linkAttributeValueAtPoint:(CGPoint)point
attributeName:(out NSString **)attributeNameOut
range:(out NSRange *)rangeOut
inAdditionalTruncationMessage:(out BOOL *)inAdditionalTruncationMessageOut
forHighlighting:(BOOL)highlighting
{
ASTextKitRenderer *renderer = [self _renderer];
NSRange visibleRange = renderer.visibleRanges[0];
@@ -453,10 +455,10 @@ static NSString *ASTextNodeTruncationTokenAttributeName = @"ASTextNodeTruncation
continue;
}
// Check if delegate implements optional method, if not assume NO.
// Should the text be highlightable/touchable?
if (![_delegate respondsToSelector:@selector(textNode:shouldHighlightLinkAttribute:value:atPoint:)] ||
![_delegate textNode:self shouldHighlightLinkAttribute:name value:value atPoint:point]) {
// If highlighting, check with delegate first. If not implemented, assume YES.
if (highlighting
&& [_delegate respondsToSelector:@selector(textNode:shouldHighlightLinkAttribute:value:atPoint:)]
&& ![_delegate textNode:self shouldHighlightLinkAttribute:name value:value atPoint:point]) {
value = nil;
name = nil;
}
@@ -758,7 +760,8 @@ static NSString *ASTextNodeTruncationTokenAttributeName = @"ASTextNodeTruncation
id linkAttributeValue = [self _linkAttributeValueAtPoint:point
attributeName:&linkAttributeName
range:&range
inAdditionalTruncationMessage:&inAdditionalTruncationMessage];
inAdditionalTruncationMessage:&inAdditionalTruncationMessage
forHighlighting:YES];
NSUInteger lastCharIndex = NSIntegerMax;
BOOL linkCrossesVisibleRange = (lastCharIndex > range.location) && (lastCharIndex < NSMaxRange(range) - 1);
@@ -787,7 +790,8 @@ static NSString *ASTextNodeTruncationTokenAttributeName = @"ASTextNodeTruncation
id linkAttributeValue = [self _linkAttributeValueAtPoint:point
attributeName:&linkAttributeName
range:&range
inAdditionalTruncationMessage:&inAdditionalTruncationMessage];
inAdditionalTruncationMessage:&inAdditionalTruncationMessage
forHighlighting:YES];
NSUInteger lastCharIndex = NSIntegerMax;
BOOL linkCrossesVisibleRange = (lastCharIndex > range.location) && (lastCharIndex < NSMaxRange(range) - 1);
@@ -838,7 +842,8 @@ static NSString *ASTextNodeTruncationTokenAttributeName = @"ASTextNodeTruncation
[self _linkAttributeValueAtPoint:point
attributeName:NULL
range:&range
inAdditionalTruncationMessage:NULL];
inAdditionalTruncationMessage:NULL
forHighlighting:YES];
if (!NSEqualRanges(_highlightRange, range)) {
[self _clearHighlightIfNecessary];