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TUIKit/TUIChat/UI_Classic/Cell/Chat/TUIFaceMessageCell.m

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+//
+//  FaceMessageCell.m
+//  UIKit
+//
+//  Created by annidyfeng on 2019/5/30.
+//  Copyright © 2023 Tencent. All rights reserved.
+//
+
+#import "TUIFaceMessageCell.h"
+#import <TIMCommon/TIMDefine.h>
+
+@interface TUIFaceMessageCell ()
+@end
+
+@implementation TUIFaceMessageCell
+
+- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (self) {
+        _face = [[UIImageView alloc] init];
+        _face.contentMode = UIViewContentModeScaleAspectFit;
+        [self.container addSubview:_face];
+        _face.mm_fill();
+        _face.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    }
+    return self;
+}
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+}
+
++ (BOOL)requiresConstraintBasedLayout {
+    return YES;
+}
+
+// this is Apple's recommended place for adding/updating constraints
+- (void)updateConstraints {
+    [super updateConstraints];
+    
+    CGFloat topMargin = 0;
+    CGFloat height = self.container.mm_h;
+    if (self.messageData.messageContainerAppendSize.height > 0) {
+        topMargin = 10;
+        CGFloat tagViewTopPadding = 6;
+         height = self.container.mm_h - topMargin - self.messageData.messageContainerAppendSize.height - tagViewTopPadding;
+        self.bubbleView.hidden = NO;
+    } else {
+        self.bubbleView.hidden = YES;
+    }
+    [self.face mas_remakeConstraints:^(MASConstraintMaker *make) {
+        make.height.mas_equalTo(height);
+        make.centerX.mas_equalTo(self.container.mas_centerX);
+        make.top.mas_equalTo(topMargin);
+        make.width.mas_equalTo(self.container);
+    }];
+    
+    
+}
+- (void)fillWithData:(TUIFaceMessageCellData *)data {
+    // set data
+    [super fillWithData:data];
+    self.faceData = data;
+    UIImage *image = [[TUIImageCache sharedInstance] getFaceFromCache:data.path];
+    if (!image) {
+        image = [UIImage imageWithContentsOfFile:TUIChatFaceImagePath(@"ic_unknown_image")];
+    }
+    _face.image = image;
+    
+    // tell constraints they need updating
+    [self setNeedsUpdateConstraints];
+
+    // update constraints now so we can animate the change
+    [self updateConstraintsIfNeeded];
+
+    [self layoutIfNeeded];
+}
+
+#pragma mark - TUIMessageCellProtocol
++ (CGSize)getContentSize:(TUIMessageCellData *)data {
+    NSAssert([data isKindOfClass:TUIFaceMessageCellData.class], @"data must be kind of TUIFaceMessageCellData");
+    TUIFaceMessageCellData *faceCellData = (TUIFaceMessageCellData *)data;
+    UIImage *image = [[TUIImageCache sharedInstance] getFaceFromCache:faceCellData.path];
+    if (!image) {
+        image = [UIImage imageWithContentsOfFile:TUIChatFaceImagePath(@"ic_unknown_image")];
+    }
+    CGFloat imageHeight = image.size.height;
+    CGFloat imageWidth = image.size.width;
+    if (imageHeight > TFaceMessageCell_Image_Height_Max) {
+        imageHeight = TFaceMessageCell_Image_Height_Max;
+        imageWidth = image.size.width / image.size.height * imageHeight;
+    }
+    if (imageWidth > TFaceMessageCell_Image_Width_Max) {
+        imageWidth = TFaceMessageCell_Image_Width_Max;
+        imageHeight = image.size.height / image.size.width * imageWidth;
+    }
+    return CGSizeMake(imageWidth, imageHeight);
+}
+
+@end