//
|
// UIView+YYText.m
|
// YYText <https://github.com/ibireme/YYText>
|
//
|
// Created by ibireme on 13/4/3.
|
// Copyright (c) 2015 ibireme.
|
//
|
// This source code is licensed under the MIT-style license found in the
|
// LICENSE file in the root directory of this source tree.
|
//
|
|
#import "UIView+YYText.h"
|
|
// Dummy class for category
|
@interface UIView_YYText : NSObject @end
|
@implementation UIView_YYText @end
|
|
|
@implementation UIView (YYText)
|
|
- (UIViewController *)yy_viewController {
|
for (UIView *view = self; view; view = view.superview) {
|
UIResponder *nextResponder = [view nextResponder];
|
if ([nextResponder isKindOfClass:[UIViewController class]]) {
|
return (UIViewController *)nextResponder;
|
}
|
}
|
return nil;
|
}
|
|
- (CGFloat)yy_visibleAlpha {
|
if ([self isKindOfClass:[UIWindow class]]) {
|
if (self.hidden) return 0;
|
return self.alpha;
|
}
|
if (!self.window) return 0;
|
CGFloat alpha = 1;
|
UIView *v = self;
|
while (v) {
|
if (v.hidden) {
|
alpha = 0;
|
break;
|
}
|
alpha *= v.alpha;
|
v = v.superview;
|
}
|
return alpha;
|
}
|
|
- (CGPoint)yy_convertPoint:(CGPoint)point toViewOrWindow:(UIView *)view {
|
if (!view) {
|
if ([self isKindOfClass:[UIWindow class]]) {
|
return [((UIWindow *)self) convertPoint:point toWindow:nil];
|
} else {
|
return [self convertPoint:point toView:nil];
|
}
|
}
|
|
UIWindow *from = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
|
UIWindow *to = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
|
if ((!from || !to) || (from == to)) return [self convertPoint:point toView:view];
|
point = [self convertPoint:point toView:from];
|
point = [to convertPoint:point fromWindow:from];
|
point = [view convertPoint:point fromView:to];
|
return point;
|
}
|
|
- (CGPoint)yy_convertPoint:(CGPoint)point fromViewOrWindow:(UIView *)view {
|
if (!view) {
|
if ([self isKindOfClass:[UIWindow class]]) {
|
return [((UIWindow *)self) convertPoint:point fromWindow:nil];
|
} else {
|
return [self convertPoint:point fromView:nil];
|
}
|
}
|
|
UIWindow *from = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
|
UIWindow *to = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
|
if ((!from || !to) || (from == to)) return [self convertPoint:point fromView:view];
|
point = [from convertPoint:point fromView:view];
|
point = [to convertPoint:point fromWindow:from];
|
point = [self convertPoint:point fromView:to];
|
return point;
|
}
|
|
- (CGRect)yy_convertRect:(CGRect)rect toViewOrWindow:(UIView *)view {
|
if (!view) {
|
if ([self isKindOfClass:[UIWindow class]]) {
|
return [((UIWindow *)self) convertRect:rect toWindow:nil];
|
} else {
|
return [self convertRect:rect toView:nil];
|
}
|
}
|
|
UIWindow *from = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
|
UIWindow *to = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
|
if (!from || !to) return [self convertRect:rect toView:view];
|
if (from == to) return [self convertRect:rect toView:view];
|
rect = [self convertRect:rect toView:from];
|
rect = [to convertRect:rect fromWindow:from];
|
rect = [view convertRect:rect fromView:to];
|
return rect;
|
}
|
|
- (CGRect)yy_convertRect:(CGRect)rect fromViewOrWindow:(UIView *)view {
|
if (!view) {
|
if ([self isKindOfClass:[UIWindow class]]) {
|
return [((UIWindow *)self) convertRect:rect fromWindow:nil];
|
} else {
|
return [self convertRect:rect fromView:nil];
|
}
|
}
|
|
UIWindow *from = [view isKindOfClass:[UIWindow class]] ? (id)view : view.window;
|
UIWindow *to = [self isKindOfClass:[UIWindow class]] ? (id)self : self.window;
|
if ((!from || !to) || (from == to)) return [self convertRect:rect fromView:view];
|
rect = [from convertRect:rect fromView:view];
|
rect = [to convertRect:rect fromWindow:from];
|
rect = [self convertRect:rect fromView:to];
|
return rect;
|
}
|
|
@end
|