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Merge remote-tracking branch 'upstream/master' into baseline

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# Conflicts:
#	AsyncDisplayKit/Layout/ASLayoutSpec.h
#	AsyncDisplayKit/Layout/ASStackLayoutSpec.mm
This commit is contained in:
rcancro
2015-08-24 09:54:36 -07:00
parent 1d31a21ccb 38eae3ab77
commit 9bf62d14ab
39 changed files with 423 additions and 573 deletions
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87
AsyncDisplayKit/Layout/ASStackLayoutSpec.mm
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@@ -24,40 +24,83 @@
@implementation ASStackLayoutSpec
{
ASStackLayoutSpecStyle _style;
std::vector<id<ASStackLayoutable>> _children;
}
+ (instancetype)newWithStyle:(ASStackLayoutSpecStyle)style children:(NSArray *)children
- (instancetype)init
{
ASStackLayoutSpec *spec = [super new];
if (spec) {
spec->_style = style;
spec->_children = std::vector<id<ASStackLayoutable>>();
for (id<ASStackLayoutable> child in children) {
ASDisplayNodeAssert([child conformsToProtocol:@protocol(ASStackLayoutable)], @"child must conform to ASStackLayoutable");
spec->_children.push_back(child);
}
}
return spec;
return [self initWithDirection:ASStackLayoutDirectionHorizontal spacing:0.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsStart children:nil];
}
+ (instancetype)new
+ (instancetype)stackLayoutSpecWithDirection:(ASStackLayoutDirection)direction spacing:(CGFloat)spacing justifyContent:(ASStackLayoutJustifyContent)justifyContent alignItems:(ASStackLayoutAlignItems)alignItems children:(NSArray *)children
{
ASDISPLAYNODE_NOT_DESIGNATED_INITIALIZER();
return [[self alloc] initWithDirection:direction spacing:spacing justifyContent:justifyContent alignItems:alignItems children:children];
}
- (instancetype)initWithDirection:(ASStackLayoutDirection)direction spacing:(CGFloat)spacing justifyContent:(ASStackLayoutJustifyContent)justifyContent alignItems:(ASStackLayoutAlignItems)alignItems children:(NSArray *)children
{
if (!(self = [super init])) {
return nil;
}
_direction = direction;
_alignItems = alignItems;
_spacing = spacing;
_justifyContent = justifyContent;
_children = std::vector<id<ASStackLayoutable>>();
for (id<ASStackLayoutable> child in children) {
_children.push_back(child);
}
return self;
}
- (void)addChild:(id<ASStackLayoutable>)child
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
_children.push_back(child);
}
- (void)addChildren:(NSArray *)children
{
for (id<ASStackLayoutable> child in children) {
[self addChild:child];
}
}
- (void)setDirection:(ASStackLayoutDirection)direction
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
_direction = direction;
}
- (void)setAlignItems:(ASStackLayoutAlignItems)alignItems
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
_alignItems = alignItems;
}
- (void)setJustifyContent:(ASStackLayoutJustifyContent)justifyContent
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
_justifyContent = justifyContent;
}
- (void)setSpacing:(CGFloat)spacing
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
_spacing = spacing;
}
- (ASLayout *)measureWithSizeRange:(ASSizeRange)constrainedSize
{
const auto unpositionedLayout = ASStackUnpositionedLayout::compute(_children, _style, constrainedSize);
const auto positionedLayout = ASStackPositionedLayout::compute(unpositionedLayout, _style, constrainedSize);
const CGSize finalSize = directionSize(_style.direction, unpositionedLayout.stackDimensionSum, positionedLayout.crossSize);
ASStackLayoutSpecStyle style = {.direction = _direction, .spacing = _spacing, .justifyContent = _justifyContent, .alignItems = _alignItems};
const auto unpositionedLayout = ASStackUnpositionedLayout::compute(_children, style, constrainedSize);
const auto positionedLayout = ASStackPositionedLayout::compute(unpositionedLayout, style, constrainedSize);
const CGSize finalSize = directionSize(style.direction, unpositionedLayout.stackDimensionSum, positionedLayout.crossSize);
NSArray *sublayouts = [NSArray arrayWithObjects:&positionedLayout.sublayouts[0] count:positionedLayout.sublayouts.size()];
return [ASLayout newWithLayoutableObject:self
size:ASSizeRangeClamp(constrainedSize, finalSize)
sublayouts:sublayouts];
return [ASLayout layoutWithLayoutableObject:self
size:ASSizeRangeClamp(constrainedSize, finalSize)
sublayouts:sublayouts];
}
@end