60ceac5efc
* APIs for change position of ornaments * Use anchors APIs and emove iOS8 layout code * Add ornaments layout tests
70 lines
2.1 KiB
Objective-C
70 lines
2.1 KiB
Objective-C
#import "UIView+MGLAdditions.h"
|
||
|
||
@implementation UIView (MGLAdditions)
|
||
|
||
- (UIViewController *)mgl_viewControllerForLayoutGuides
|
||
{
|
||
// Per -[UIResponder nextResponder] documentation, a UIView’s next responder
|
||
// is its managing UIViewController if applicable, or otherwise its
|
||
// superview. UIWindow’s next responder is UIApplication, which has no next
|
||
// responder.
|
||
UIResponder *laterResponder = self;
|
||
while ([laterResponder isKindOfClass:[UIView class]])
|
||
{
|
||
laterResponder = laterResponder.nextResponder;
|
||
}
|
||
if ([laterResponder isKindOfClass:[UIViewController class]])
|
||
{
|
||
return (UIViewController *)laterResponder;
|
||
}
|
||
return nil;
|
||
}
|
||
|
||
- (NSLayoutYAxisAnchor *)mgl_safeTopAnchor {
|
||
if (@available(iOS 11.0, *)) {
|
||
return self.safeAreaLayoutGuide.topAnchor;
|
||
} else {
|
||
UIViewController *viewController = self.mgl_viewControllerForLayoutGuides;
|
||
BOOL useLayoutGuides = viewController.view && viewController.automaticallyAdjustsScrollViewInsets;
|
||
if (useLayoutGuides) {
|
||
return viewController.topLayoutGuide.bottomAnchor;
|
||
}
|
||
else {
|
||
return self.topAnchor;
|
||
}
|
||
}
|
||
}
|
||
|
||
- (NSLayoutXAxisAnchor *)mgl_safeLeadingAnchor {
|
||
if (@available(iOS 11.0, *)) {
|
||
return self.safeAreaLayoutGuide.leadingAnchor;
|
||
} else {
|
||
return self.leadingAnchor;
|
||
}
|
||
}
|
||
|
||
- (NSLayoutYAxisAnchor *)mgl_safeBottomAnchor {
|
||
if (@available(iOS 11.0, *)) {
|
||
return self.safeAreaLayoutGuide.bottomAnchor;
|
||
} else {
|
||
UIViewController *viewController = self.mgl_viewControllerForLayoutGuides;
|
||
BOOL useLayoutGuides = viewController.view && viewController.automaticallyAdjustsScrollViewInsets;
|
||
if (useLayoutGuides) {
|
||
return viewController.bottomLayoutGuide.topAnchor;
|
||
}
|
||
else {
|
||
return self.bottomAnchor;
|
||
}
|
||
}
|
||
}
|
||
|
||
- (NSLayoutXAxisAnchor *)mgl_safeTrailingAnchor {
|
||
if (@available(iOS 11.0, *)) {
|
||
return self.safeAreaLayoutGuide.trailingAnchor;
|
||
} else {
|
||
return self.trailingAnchor;
|
||
}
|
||
}
|
||
|
||
@end
|