This repository has been archived on 2024-07-22. You can view files and clone it, but cannot push or open issues or pull requests.
Doric/doric-iOS/Pod/Classes/Shader/DoricFlexNode.m
2020-04-11 13:02:16 +08:00

92 lines
2.8 KiB
Objective-C

/*
* Copyright [2019] [Doric.Pub]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// Created by pengfei.zhou on 2020/4/9.
//
#import <YogaKit/UIView+Yoga.h>
#import "DoricFlexNode.h"
#import "DoricExtensions.h"
@interface DoricFlexView : UIView
@end
@implementation DoricFlexView
- (CGSize)sizeThatFits:(CGSize)size {
return [self.yoga intrinsicSize];
}
@end
@implementation DoricFlexNode
- (UIView *)build {
return [[DoricFlexView new] also:^(DoricFlexView *it) {
it.clipsToBounds = YES;
[it configureLayoutWithBlock:^(YGLayout *_Nonnull layout) {
layout.isEnabled = YES;
}];
}];
}
- (void)blendView:(UIView *)view forPropName:(NSString *)name propValue:(id)prop {
if ([name isEqualToString:@"flexConfig"]) {
[self blendYoga:view.yoga from:prop];
} else {
[super blendView:view forPropName:name propValue:prop];
}
}
- (void)blendSubNode:(DoricViewNode *)subNode flexConfig:(NSDictionary *)flexConfig {
[subNode.view configureLayoutWithBlock:^(YGLayout *_Nonnull layout) {
layout.isEnabled = YES;
}];
[self blendYoga:subNode.view.yoga from:flexConfig];
}
- (void)requestLayout {
[super requestLayout];
for (UIView *view in self.view.subviews) {
if ([view isKindOfClass:[DoricFlexView class]]) {
continue;
}
[view.doricLayout apply];
}
if (self.view.doricLayout.widthSpec != DoricLayoutFit) {
self.view.yoga.width = YGPointValue(self.view.width);
}
if (self.view.doricLayout.heightSpec != DoricLayoutFit) {
self.view.yoga.height = YGPointValue(self.view.height);
}
[self.view.yoga applyLayoutPreservingOrigin:YES];
/// Need layout again.
for (UIView *view in self.view.subviews) {
if ([view isKindOfClass:[DoricFlexView class]]) {
continue;
}
if (view.doricLayout.measuredWidth == view.width && view.doricLayout.measuredHeight == view.height) {
continue;
}
view.doricLayout.widthSpec = DoricLayoutJust;
view.doricLayout.heightSpec = DoricLayoutJust;
view.doricLayout.width = view.width;
view.doricLayout.height = view.height;
view.doricLayout.measuredX = view.left;
view.doricLayout.measuredY = view.top;
[view.doricLayout apply];
}
}
@end