Files
flipper/iOS/Plugins/FlipperKitLayoutPlugin/SonarKitLayoutComponentKitSupport/SKComponentLayoutWrapper.mm
Pritesh Nandgaonkar ba7b43a547 Rename SonarKitLayoutPlugin to FlipperKitLayoutPlugin
Summary: Renames SonarKitLayoutPlugin to FlipperKitLayoutPlugin

Reviewed By: passy

Differential Revision: D9949785

fbshipit-source-id: 8cfde4dfad3e34038d2f66f0ce4393db9d83ef60
2018-09-20 04:45:35 -07:00

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3.0 KiB
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/*
* Copyright (c) 2018-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the LICENSE
* file in the root directory of this source tree.
*
*/
#if FB_SONARKIT_ENABLED
#import "SKComponentLayoutWrapper.h"
#import <ComponentKit/CKComponent.h>
#import <ComponentKit/CKComponentRootView.h>
#import <ComponentKit/CKComponentDataSourceAttachController.h>
#import <ComponentKit/CKComponentDataSourceAttachControllerInternal.h>
#import <ComponentKit/CKInspectableView.h>
static char const kLayoutWrapperKey = ' ';
static CKFlexboxComponentChild findFlexboxLayoutParams(CKComponent *parent, CKComponent *child) {
if ([parent isKindOfClass:[CKFlexboxComponent class]]) {
static Ivar ivar = class_getInstanceVariable([CKFlexboxComponent class], "_children");
static ptrdiff_t offset = ivar_getOffset(ivar);
unsigned char *pComponent = (unsigned char*)(__bridge void*)parent;
auto children = (std::vector<CKFlexboxComponentChild> *)(pComponent + offset);
if (children) {
for (auto it = children->begin(); it != children->end(); it++) {
if (it->component == child) {
return *it;
}
}
}
}
return {};
}
@implementation SKComponentLayoutWrapper
+ (instancetype)newFromRoot:(id<CKInspectableView>)root {
const CKComponentLayout layout = [root mountedLayout];
SKComponentLayoutWrapper *const wrapper =
[[SKComponentLayoutWrapper alloc] initWithLayout:layout
position:CGPointMake(0, 0)
parentKey:[NSString stringWithFormat: @"%p.", layout.component]];
if (layout.component)
objc_setAssociatedObject(layout.component, &kLayoutWrapperKey, wrapper, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
return wrapper;
}
- (instancetype)initWithLayout:(const CKComponentLayout &)layout position:(CGPoint)position parentKey:(NSString *)parentKey {
if (self = [super init]) {
_component = layout.component;
_size = layout.size;
_position = position;
_identifier = [parentKey stringByAppendingString:layout.component ? NSStringFromClass([layout.component class]) : @"(null)"];
if (layout.children != nullptr) {
int index = 0;
for (const auto &child : *layout.children) {
if (child.layout.component == nil) {
continue; // nil children are allowed, ignore them
}
SKComponentLayoutWrapper *childWrapper = [[SKComponentLayoutWrapper alloc] initWithLayout:child.layout
position:child.position
parentKey:[_identifier stringByAppendingFormat:@"[%d].", index++]];
childWrapper->_isFlexboxChild = [_component isKindOfClass:[CKFlexboxComponent class]];
childWrapper->_flexboxChild = findFlexboxLayoutParams(_component, child.layout.component);
_children.push_back(childWrapper);
}
}
}
return self;
}
@end
#endif