//
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// HMEmoticonTipView.m
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// 表情键盘
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//
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// Created by 刘凡 on 16/3/5.
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// Copyright © 2016年 itcast. All rights reserved.
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//
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#import "HMEmoticonTipView.h"
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#import "UIImage+HMEmoticon.h"
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#import "HMEmoticonButton.h"
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@implementation HMEmoticonTipView {
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HMEmoticonButton *_tipButton;
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}
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#pragma mark - 属性
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- (void)setEmoticon:(HMEmoticon *)emoticon {
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if (_tipButton.emoticon == emoticon) {
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return;
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}
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_tipButton.emoticon = emoticon;
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CGPoint center = _tipButton.center;
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_tipButton.center = CGPointMake(center.x, center.y + 16);
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[UIView animateWithDuration:0.25
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delay:0
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usingSpringWithDamping:0.4
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initialSpringVelocity:0
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options:UIViewAnimationOptionCurveEaseOut
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animations:^{
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_tipButton.center = center;
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}
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completion:nil];
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}
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#pragma mark - 构造函数
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- (instancetype)initWithFrame:(CGRect)frame {
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self = [super initWithImage:[UIImage hm_imageNamed:@"emoticon_keyboard_magnifier"]];
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if (self) {
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// 计算按钮大小
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CGFloat width = 40;
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CGFloat x = (self.bounds.size.width - width) * 0.5;
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CGRect rect = CGRectMake(x, 8, width, width);
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_tipButton = [HMEmoticonButton emoticonButtonWithFrame:rect tag:0];
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[self addSubview:_tipButton];
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// 修改描点以更改TipView中心点 实现提示遮挡时的偏移
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self.layer.anchorPoint = CGPointMake(0.5, 0.8);
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}
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return self;
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}
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@end
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