YYXC_Student/jiaPei/Category/UIView+RQExtension.m

//
//  UIView+RQExtension.m
//  RQCommon
//
//  Created by 张嵘 on 2018/11/16.
//  Copyright © 2018 张嵘. All rights reserved.
//

#import "UIView+RQExtension.h"
#import <objc/runtime.h>
static char kActionHandlerTapBlockKey;
static char kActionHandlerTapGestureKey;
static char kActionHandlerLongPressBlockKey;
static char kActionHandlerLongPressGestureKey;

@implementation UIView (RQExtension)
/**
 * 判断一个控件是否真正显示在主窗口
 */
- (BOOL)rq_isShowingOnKeyWindow
{
	// 主窗口
	UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow;
	
	// 以主窗口左上角为坐标原点, 计算self的矩形框
	CGRect newFrame = [keyWindow convertRect:self.frame fromView:self.superview];
	CGRect winBounds = keyWindow.bounds;
	
	// 主窗口的bounds 和 self的矩形框 是否有重叠
	BOOL intersects = CGRectIntersectsRect(newFrame, winBounds);
	
	return !self.isHidden && self.alpha > 0.01 && self.window == keyWindow && intersects;
}


/**
 * xib创建的view
 */
+ (instancetype)rq_viewFromXib
{
	return [[[NSBundle mainBundle] loadNibNamed:NSStringFromClass(self) owner:nil options:nil] lastObject];
}


+ (instancetype)rq_viewFromXibWithFrame:(CGRect)frame {
	UIView *view = [self rq_viewFromXib];
	view.frame = frame;
	return view;
}


- (void)setRq_x:(CGFloat)rq_x {
	CGRect frame = self.frame;
	frame.origin.x = rq_x;
	self.frame = frame;
}


- (CGFloat)rq_x {
	return self.frame.origin.x;
}


- (void)setRq_y:(CGFloat)rq_y {
	CGRect frame = self.frame;
	frame.origin.y = rq_y;
	self.frame = frame;
}


- (CGFloat)rq_y {
	return self.frame.origin.y;
}


- (void)setRq_centerX:(CGFloat)rq_centerX {
	CGPoint center = self.center;
	center.x = rq_centerX;
	self.center = center;
}


- (CGFloat)rq_centerX {
	return self.center.x;
}

- (void)setRq_centerY:(CGFloat)rq_centerY {
	CGPoint center = self.center;
	center.y = rq_centerY;
	self.center = center;
}


- (CGFloat)rq_centerY {
	return self.center.y;
}

- (void)setRq_width:(CGFloat)rq_width {
	CGRect frame = self.frame;
	frame.size.width = rq_width;
	self.frame = frame;
}


- (CGFloat)rq_width {
	return self.frame.size.width;
}

- (void)setRq_height:(CGFloat)rq_height {
	CGRect frame = self.frame;
	frame.size.height = rq_height;
	self.frame = frame;
}


- (CGFloat)rq_height {
	return self.frame.size.height;
}

- (void)setRq_size:(CGSize)rq_size {
	CGRect frame = self.frame;
	frame.size = rq_size;
	self.frame = frame;
}


- (CGSize)rq_size {
	return self.frame.size;
}


- (void)setRq_origin:(CGPoint)rq_origin {
	CGRect frame = self.frame;
	frame.origin = rq_origin;
	self.frame = frame;
}


- (CGPoint)rq_origin {
	return self.frame.origin;
}


- (void)setRq_top:(CGFloat)rq_top {
	CGRect frame = self.frame;
	frame.origin.y = rq_top;
	self.frame = frame;
}


- (CGFloat)rq_top {
	return self.frame.origin.y;
}



- (void)setRq_left:(CGFloat)rq_left {
	CGRect frame = self.frame;
	frame.origin.x = rq_left;
	self.frame = frame;
}


- (CGFloat)rq_left{
	return self.frame.origin.x;
}


- (void)setRq_bottom:(CGFloat)rq_bottom{
	CGRect frame = self.frame;
	frame.origin.y = rq_bottom - frame.size.height;
	self.frame = frame;
}


- (CGFloat)rq_bottom {
	return self.frame.origin.y + self.frame.size.height;
}


- (void)setRq_right:(CGFloat)rq_right {
	CGRect frame = self.frame;
	frame.origin.x = rq_right - frame.size.width;
	self.frame = frame;
}


- (CGFloat)rq_right {
	return self.frame.origin.x + self.frame.size.width;
}

- (void)addTapActionWithBlock:(GestureActionBlock)block
{
	UITapGestureRecognizer *gesture = objc_getAssociatedObject(self, &kActionHandlerTapGestureKey);
	if (!gesture)
	{
		gesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleActionForTapGesture:)];
		[self addGestureRecognizer:gesture];
		objc_setAssociatedObject(self, &kActionHandlerTapGestureKey, gesture, OBJC_ASSOCIATION_RETAIN);
	}
	objc_setAssociatedObject(self, &kActionHandlerTapBlockKey, block, OBJC_ASSOCIATION_COPY);
}
- (void)handleActionForTapGesture:(UITapGestureRecognizer*)gesture
{
	if (gesture.state == UIGestureRecognizerStateRecognized)
	{
		GestureActionBlock block = objc_getAssociatedObject(self, &kActionHandlerTapBlockKey);
		if (block)
		{
			block(gesture);
		}
	}
}
- (void)addLongPressActionWithBlock:(GestureActionBlock)block
{
	UILongPressGestureRecognizer *gesture = objc_getAssociatedObject(self, &kActionHandlerLongPressGestureKey);
	if (!gesture)
	{
		gesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleActionForLongPressGesture:)];
		[self addGestureRecognizer:gesture];
		objc_setAssociatedObject(self, &kActionHandlerLongPressGestureKey, gesture, OBJC_ASSOCIATION_RETAIN);
	}
	objc_setAssociatedObject(self, &kActionHandlerLongPressBlockKey, block, OBJC_ASSOCIATION_COPY);
}
- (void)handleActionForLongPressGesture:(UITapGestureRecognizer*)gesture
{
	if (gesture.state == UIGestureRecognizerStateRecognized)
	{
		GestureActionBlock block = objc_getAssociatedObject(self, &kActionHandlerLongPressBlockKey);
		if (block)
		{
			block(gesture);
		}
	}
}
@end