wehub-resource-sync
125 lines
4.9 KiB
Objective-C
125 lines
4.9 KiB
Objective-C
//
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// TLExpressionMessageCell.m
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// TLChat
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//
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// Created by 李伯坤 on 16/3/19.
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// Copyright © 2016年 李伯坤. All rights reserved.
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//
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#import "TLExpressionMessageCell.h"
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#import <SDWebImage/UIImage+GIF.h>
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#import "NSFileManager+TLChat.h"
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@interface TLExpressionMessageCell ()
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@property (nonatomic, strong) UIImageView *msgImageView;
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@end
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@implementation TLExpressionMessageCell
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- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
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{
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if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
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[self.contentView addSubview:self.msgImageView];
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}
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return self;
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}
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- (void)setMessage:(TLExpressionMessage *)message
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{
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[self.msgImageView setAlpha:1.0]; // 取消长按效果
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// if (self.message && [self.message.messageID isEqualToString:message.messageID]) {
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// return;
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// }
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TLMessageOwnerType lastOwnType = self.message ? self.message.ownerTyper : -1;
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[super setMessage:message];
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NSData *data = [NSData dataWithContentsOfFile:message.path];
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if (data) {
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[self.msgImageView setImage:[UIImage imageNamed:message.path]];
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[self.msgImageView setImage:[UIImage sd_animatedGIFWithData:data]];
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}
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else { // 表情组被删掉，先从缓存目录中查找，没有的话在下载并存入缓存目录
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NSString *cachePath = [NSFileManager cacheForFile:[NSString stringWithFormat:@"%@_%@.gif", message.emoji.gid, message.emoji.eId]];
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NSData *data = [NSData dataWithContentsOfFile:cachePath];
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if (data) {
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[self.msgImageView setImage:[UIImage imageNamed:cachePath]];
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[self.msgImageView setImage:[UIImage sd_animatedGIFWithData:data]];
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}
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else {
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__weak typeof(self) weakSelf = self;
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[self.msgImageView tt_setImageWithURL:TLURL(message.url) completed:^(UIImage *image, NSError *error, TLImageCacheType cacheType, NSURL *imageURL) {
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if ([[imageURL description] isEqualToString:[(TLExpressionMessage *)weakSelf.message url]]) {
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dispatch_async(dispatch_get_global_queue(0, 0), ^{
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NSData *data = [NSData dataWithContentsOfURL:imageURL];
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[data writeToFile:cachePath atomically:NO]; // 再写入到缓存中
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if ([[imageURL description] isEqualToString:[(TLExpressionMessage *)weakSelf.message url]]) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[weakSelf.msgImageView setImage:[UIImage sd_animatedGIFWithData:data]];
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});
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}
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});
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}
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}];
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}
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}
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if (lastOwnType != message.ownerTyper) {
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if (message.ownerTyper == TLMessageOwnerTypeSelf) {
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[self.msgImageView mas_remakeConstraints:^(MASConstraintMaker *make) {
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make.top.mas_equalTo(self.usernameLabel.mas_bottom).mas_offset(5);
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make.right.mas_equalTo(self.messageBackgroundView).mas_offset(-10);
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}];
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}
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else if (message.ownerTyper == TLMessageOwnerTypeFriend){
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[self.msgImageView mas_remakeConstraints:^(MASConstraintMaker *make) {
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make.top.mas_equalTo(self.usernameLabel.mas_bottom).mas_offset(5);
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make.left.mas_equalTo(self.messageBackgroundView).mas_offset(10);
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}];
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}
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}
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[self.msgImageView mas_updateConstraints:^(MASConstraintMaker *make) {
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make.size.mas_equalTo(message.messageFrame.contentSize);
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}];
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}
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#pragma mark - Event Response -
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- (void)longPressMsgBGView:(UIGestureRecognizer *)gestureRecognizer
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{
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if (gestureRecognizer.state != UIGestureRecognizerStateBegan) {
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return;
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}
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[self.msgImageView setAlpha:0.7]; // 比较low的选中效果
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if (self.delegate && [self.delegate respondsToSelector:@selector(messageCellLongPress:rect:)]) {
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CGRect rect = self.msgImageView.frame;
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[self.delegate messageCellLongPress:self.message rect:rect];
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}
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}
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- (void)doubleTabpMsgBGView
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{
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if (self.delegate && [self.delegate respondsToSelector:@selector(messageCellDoubleClick:)]) {
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[self.delegate messageCellDoubleClick:self.message];
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}
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}
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#pragma mark - Getter -
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- (UIImageView *)msgImageView
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{
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if (_msgImageView == nil) {
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_msgImageView = [[UIImageView alloc] init];
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[_msgImageView setUserInteractionEnabled:YES];
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UILongPressGestureRecognizer *longPressGR = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressMsgBGView:)];
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[_msgImageView addGestureRecognizer:longPressGR];
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UITapGestureRecognizer *doubleTapGR = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTabpMsgBGView)];
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[doubleTapGR setNumberOfTapsRequired:2];
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[_msgImageView addGestureRecognizer:doubleTapGR];
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}
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return _msgImageView;
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}
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@end
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