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[React Native] Fix RCTText crashes

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This commit is contained in:
Alex Akers
2015-04-09 07:40:18 -07:00
parent 17ab4f2fb3
commit fcc87916d2
1 changed files with 24 additions and 5 deletions
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29
Libraries/Text/RCTText.m
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@@ -38,34 +38,53 @@
- (void)setAttributedText:(NSAttributedString *)attributedText
{
[_textStorage setAttributedString:attributedText];
for (NSLayoutManager *existingLayoutManager in _textStorage.layoutManagers) {
[_textStorage removeLayoutManager:existingLayoutManager];
}
_textStorage = [[NSTextStorage alloc] initWithAttributedString:attributedText];
if (_layoutManager) {
[_textStorage addLayoutManager:_layoutManager];
}
[self setNeedsDisplay];
}
- (void)setTextContainer:(NSTextContainer *)textContainer
{
if ([_textContainer isEqual:textContainer]) return;
if ([_textContainer isEqual:textContainer]) {
return;
}
_textContainer = textContainer;
for (NSInteger i = _layoutManager.textContainers.count - 1; i >= 0; i--) {
[_layoutManager removeTextContainerAtIndex:i];
}
[_layoutManager addTextContainer:_textContainer];
if (_textContainer) {
[_layoutManager addTextContainer:_textContainer];
}
[self setNeedsDisplay];
}
- (void)setLayoutManager:(NSLayoutManager *)layoutManager
{
if ([_layoutManager isEqual:layoutManager]) return;
if ([_layoutManager isEqual:layoutManager]) {
return;
}
_layoutManager = layoutManager;
for (NSLayoutManager *existingLayoutManager in _textStorage.layoutManagers) {
[_textStorage removeLayoutManager:existingLayoutManager];
}
[_textStorage addLayoutManager:_layoutManager];
if (_layoutManager) {
[_textStorage addLayoutManager:_layoutManager];
}
[self setNeedsDisplay];
}