126 lines
6.8 KiB
Objective-C
126 lines
6.8 KiB
Objective-C
//
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// TUIGroupAvatar+Helper.m
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// TIMCommon
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//
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// Created by wyl on 2023/4/27.
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// Copyright © 2023 Tencent. All rights reserved.
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//
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#import <TUICore/TUIConfig.h>
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#import "TUIGroupAvatar+Helper.h"
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@implementation TUIGroupAvatar (Helper)
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+ (UIImage *)getNormalGroupCacheAvatar:(NSString *)groupID groupType:(NSString *)groupType {
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/**
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*
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* Setup default avatar
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*/
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UIImage *avatarImage = nil;
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if (groupID.length > 0) {
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/**
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* If it is a group, change the group default avatar to the last used avatar
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*/
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UIImage *avatar = nil;
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if (TUIConfig.defaultConfig.enableGroupGridAvatar) {
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NSString *key = [NSString stringWithFormat:@"TUIConversationLastGroupMember_%@", groupID];
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NSInteger member = [NSUserDefaults.standardUserDefaults integerForKey:key];
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avatar = [TUIGroupAvatar getCacheAvatarForGroup:groupID number:(UInt32)member];
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}
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avatarImage = avatar ? avatar : DefaultGroupAvatarImageByGroupType(groupType);
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;
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return avatarImage;
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}
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return avatarImage;
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}
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+ (void)configAvatarByParam:(NSDictionary *)param targetView:(UIImageView *)targetView {
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NSString *groupID = param[@"groupID"];
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NSString *faceUrl = param[@"faceUrl"];
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NSString *groupType = param[@"groupType"];
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UIImage *originAvatarImage = param[@"originAvatarImage"];
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if (groupID.length > 0) {
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/**
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*
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* Group avatar
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*/
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if (IS_NOT_EMPTY_NSSTRING(faceUrl)) {
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/**
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*
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* The group avatar has been manually set externally
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*/
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[targetView sd_setImageWithURL:[NSURL URLWithString:faceUrl] placeholderImage:originAvatarImage];
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} else {
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/**
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* The group avatar has not been set externally. If the synthetic avatar is allowed, the synthetic avatar will be used; otherwise, the default
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* avatar will be used.
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*/
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if (TUIConfig.defaultConfig.enableGroupGridAvatar) {
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/**
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*
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* If the synthetic avatar is allowed, the synthetic avatar will be used
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* 1. Asynchronously obtain the cached synthetic avatar according to the number of group members
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* 2. If the cache is hit, use the cached synthetic avatar directly
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* 3. If the cache is not hit, recompose a new avatar
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*
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* Note:
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* 1. Since "asynchronously obtaining cached avatars" and "synthesizing avatars" take a long time, it is easy to cause cell reuse problems, so
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* it is necessary to confirm whether to assign values directly according to groupID.
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* 2. Use SDWebImage to implement placeholder, because SDWebImage has already dealt with the problem of cell reuse
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*/
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// 1. Obtain group avatar from cache
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// fix: The getCacheGroupAvatar needs to request the
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// network. When the network is disconnected, since the headImageView is not set, the current conversation sends a message, the conversation is
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// moved up, and the avatar of the first conversation is reused, resulting in confusion of the avatar.
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[targetView sd_setImageWithURL:nil placeholderImage:originAvatarImage];
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[TUIGroupAvatar getCacheGroupAvatar:groupID
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callback:^(UIImage *avatar, NSString *groupID) {
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if ([groupID isEqualToString:groupID]) {
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// 1.1 When the callback is invoked, the cell is not reused
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if (avatar != nil) {
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// 2. Hit the cache and assign directly
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[targetView sd_setImageWithURL:nil placeholderImage:avatar];
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} else {
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// 3. Synthesize new avatars asynchronously without hitting cache
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[targetView sd_setImageWithURL:nil placeholderImage:originAvatarImage];
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[TUIGroupAvatar
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fetchGroupAvatars:groupID
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placeholder:originAvatarImage
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callback:^(BOOL success, UIImage *image, NSString *groupID) {
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if ([groupID isEqualToString:groupID]) {
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// When the callback is invoked, the cell is not reused
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[targetView
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sd_setImageWithURL:nil
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placeholderImage:success ? image : DefaultGroupAvatarImageByGroupType(groupType)];
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} else {
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// callback， When the callback is invoked, the cell has
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// been reused to other groupIDs. Since a new callback will be triggered when the new
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// groupID synthesizes new avatar, it is ignored here
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}
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}];
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}
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} else {
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// 1.2 callback ，cell groupID。 groupID
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// callback， 1.2 When the callback is invoked, the cell has been reused to other groupIDs. Since a new
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// callback will be triggered when the new groupID gets the cache, it is ignored here
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}
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}];
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} else {
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/**
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* Synthetic avatars are not allowed, use the default avatar directly
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*/
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[targetView sd_setImageWithURL:nil placeholderImage:originAvatarImage];
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}
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}
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} else {
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/**
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* Personal avatar
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*/
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[targetView sd_setImageWithURL:[NSURL URLWithString:faceUrl] placeholderImage:originAvatarImage];
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}
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}
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@end
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