TIMSDK/iOS/TUIKit/TUIChat/Cell/CellUI/Chat/TUIImageMessageCell.m

//
//  TUIImageMessageCell.m
//  UIKit
//
//  Created by annidyfeng on 2019/5/30.
//

#import "TUIImageMessageCell.h"
#import "TUIDefine.h"

@interface TUIImageMessageCell ()

@property (nonatomic, strong) UIView *animateHighlightView;

@end

@implementation TUIImageMessageCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        _thumb = [[UIImageView alloc] init];
        _thumb.layer.cornerRadius = 5.0;
        [_thumb.layer setMasksToBounds:YES];
        _thumb.contentMode = UIViewContentModeScaleAspectFit;
        _thumb.backgroundColor = [UIColor whiteColor];
        [self.container addSubview:_thumb];
        _thumb.mm_fill();
        _thumb.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

        _progress = [[UILabel alloc] init];
        _progress.textColor = [UIColor whiteColor];
        _progress.font = [UIFont systemFontOfSize:15];
        _progress.textAlignment = NSTextAlignmentCenter;
        _progress.layer.cornerRadius = 5.0;
        _progress.hidden = YES;
        _progress.backgroundColor = TImageMessageCell_Progress_Color;
        [_progress.layer setMasksToBounds:YES];
        [self.container addSubview:_progress];
        _progress.mm_fill();
        _progress.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    }
    return self;
}

- (void)fillWithData:(TUIImageMessageCellData *)data;
{
    //set data
    [super fillWithData:data];
    self.imageData = data;
    _thumb.image = nil;
    if(data.thumbImage == nil) {
        [data downloadImage:TImage_Type_Thumb];
    }

    @weakify(self)
    [[RACObserve(data, thumbImage) takeUntil:self.rac_prepareForReuseSignal] subscribeNext:^(UIImage *thumbImage) {
        @strongify(self)
        if (thumbImage) {
            self.thumb.image = thumbImage;
        }
    }];
    
    if (data.direction == MsgDirectionIncoming) {
        [[[RACObserve(data, thumbProgress) takeUntil:self.rac_prepareForReuseSignal] distinctUntilChanged] subscribeNext:^(NSNumber *x) {
            @strongify(self)
            int progress = [x intValue];
            self.progress.text = [NSString stringWithFormat:@"%d%%", progress];
            self.progress.hidden = (progress >= 100 || progress == 0);
        }];
    }
}

- (void)highlightWhenMatchKeyword:(NSString *)keyword
{
    // 默认高亮效果，闪烁
    if (keyword) {
        // 显示高亮动画
        if (self.highlightAnimating) {
            return;
        }
        [self animate:3];
    }
}

// 默认高亮动画
- (void)animate:(int)times
{
    times--;
    if (times < 0) {
        [self.animateHighlightView removeFromSuperview];
        self.highlightAnimating = NO;
        return;
    }
    self.highlightAnimating = YES;
    self.animateHighlightView.frame = self.thumb.bounds;
    self.animateHighlightView.alpha = 0.1;
    [self.thumb addSubview:self.animateHighlightView];
    [UIView animateWithDuration:0.25 animations:^{
        self.animateHighlightView.alpha = 0.5;
    } completion:^(BOOL finished) {
        [UIView animateWithDuration:0.25 animations:^{
            self.animateHighlightView.alpha = 0.1;
        } completion:^(BOOL finished) {
            if (!self.imageData.highlightKeyword) {
                [self animate:0];
                return;
            }
            [self animate:times];
        }];
    }];
}

- (UIView *)animateHighlightView
{
    if (_animateHighlightView == nil) {
        _animateHighlightView = [[UIView alloc] init];
        _animateHighlightView.backgroundColor = [UIColor orangeColor];
    }
    return _animateHighlightView;
}

@end