react_native_blockView/BlockView.m at master · jinjiantong/react_native_blockView · GitHub

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//
//  BlockView.m
//  MURAL
//
//  Created by jinchunhao on 8/3/16.
//  Copyright © 2016 jinchunhao. All rights reserved.
//

#import "BlockView.h"

@implementation BlockView

@synthesize componentID = _componentID;

- (id)initWithFrame:(CGRect)frame
{
  if (self = [super initWithFrame:frame]) {

  }
  return self;
}

- (void)setComponentID:(NSString *)componentID
{
  _componentID = componentID;

}

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{

  //里面逻辑只是参考 根据自己布局写
  //当动画view触发的时候 找底层scrollview 设置不滚动
  //如果是动画view
  if([_componentID isEqualToString:@"animationView"]){

      //先找拦截层
      UITouch *touch = [touches anyObject];
      UIView *touchView = touch.view;
      BOOL findBlockView = YES;
      UIView *currentSuperView = touchView;
      UIView *superBlockView;
      while (findBlockView) {
             currentSuperView = currentSuperView.superview;
              if([currentSuperView isKindOfClass:self.class]){
                  superBlockView = currentSuperView;
              }

            if([NSStringFromClass(currentSuperView.class) isEqualToString:@"XSYRootView"]){
               findBlockView = NO;
            }
      }

    if(superBlockView){

      UIView *view = superBlockView;
      BOOL isNotRootView = true;
      while (isNotRootView) {
        view =  view.superview;
        //在找底层滑动scrollview
        if([NSStringFromClass(view.class) isEqualToString:@"RCTCustomScrollView"])
        {
          // RCTXSYCustomScrollView *customScrollView = (RCTXSYCustomScrollView*)view;

          ((UIScrollView *)view).scrollEnabled = NO;
          isNotRootView = NO;

        }
        if([NSStringFromClass(view.class) isEqualToString:@"XSYRootView"]){
          isNotRootView = NO;
        }

      }
    }

  }
}


- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event{

   [self _setContainScrollEnabled:[touches anyObject].view];
}

- (void)touchesCancelled:(nullable NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event{

  [self _setContainScrollEnabled:[touches anyObject].view];
}

- (void)_setContainScrollEnabled:(UIView *) currentView{

    //还原设置
    if([_componentID isEqualToString:@"animationView"]){

        //先找拦截层
        UITouch *touch = [touches anyObject];
        UIView *touchView = touch.view;
        BOOL findBlockView = YES;
        UIView *currentSuperView = touchView;
        UIView *superBlockView;
        while (findBlockView) {
            currentSuperView = currentSuperView.superview;
            if([currentSuperView isKindOfClass:self.class]){
                superBlockView = currentSuperView;
            }

            if([NSStringFromClass(currentSuperView.class) isEqualToString:@"XSYRootView"]){
                findBlockView = NO;
            }
        }

        if(superBlockView){

            UIView *view = superBlockView;
            BOOL isNotRootView = true;
            while (isNotRootView) {
                view =  view.superview;
                //在找底层滑动scrollview
                if([NSStringFromClass(view.class) isEqualToString:@"RCTCustomScrollView"])
                {
                    // RCTXSYCustomScrollView *customScrollView = (RCTXSYCustomScrollView*)view;

                    ((UIScrollView *)view).scrollEnabled = YES;
                    isNotRootView = NO;

                }
                if([NSStringFromClass(view.class) isEqualToString:@"XSYRootView"]){
                    isNotRootView = NO;
                }

            }
        }

    }
}

@end