mirror of
https://github.com/TencentCloud/TIMSDK.git
synced 2026-10-22 01:06:31 +08:00
harvychen
469 lines
18 KiB
Objective-C
469 lines
18 KiB
Objective-C
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#import "TUIMessageSearchController.h"
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#import "TUIMessageController+ProtectedAPI.h"
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#import "TUIChatSmallTongueView.h"
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#import "TUITextMessageCell.h"
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#import "TUIReplyMessageCell.h"
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#import "TUIReplyMessageCellData.h"
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#import "TUIGlobalization.h"
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#import "TUIThemeManager.h"
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#import "TUIMessageSearchDataProvider.h"
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#import "UIView+TUILayout.h"
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#import "ReactiveObjC.h"
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#import "TUIDefine.h"
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#define MSG_GET_COUNT 20
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@interface TUIMessageSearchController()<TUIChatSmallTongueViewDelegate>
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@property (nonatomic, strong) UIActivityIndicatorView *bottomIndicatorView;
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@property (nonatomic, assign) uint64_t locateGroupMessageSeq;
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@property (nonatomic, strong) TUIChatSmallTongueView *tongueView;
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@property (nonatomic, strong) NSMutableArray *receiveMsgs;
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@end
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@implementation TUIMessageSearchController
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#pragma mark - Life Cycle
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.bottomIndicatorView = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width, TMessageController_Header_Height)];
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self.bottomIndicatorView.activityIndicatorViewStyle = UIActivityIndicatorViewStyleGray;
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self.tableView.tableFooterView = self.bottomIndicatorView;
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self.tableView.backgroundColor = TUIChatDynamicColor(@"chat_controller_bg_color", @"#FFFFFF");
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[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(keyboardWillShow) name:UIKeyboardWillShowNotification object:nil];
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if (self.conversationData.atMsgSeqs.count > 0) {
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TUIChatSmallTongue *tongue = [[TUIChatSmallTongue alloc] init];
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tongue.type = TUIChatSmallTongueType_SomeoneAtMe;
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tongue.atMsgSeqs = [self.conversationData.atMsgSeqs copy];
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[TUIChatSmallTongueManager showTongue:tongue delegate:self];
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}
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self.receiveMsgs = [NSMutableArray array];
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}
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- (void)dealloc
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{
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[TUIChatSmallTongueManager removeTongue];
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[NSNotificationCenter.defaultCenter removeObserver:self];
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}
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated];
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[TUIChatSmallTongueManager hideTongue:NO];
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}
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- (void)viewWillDisappear:(BOOL)animated {
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[super viewWillDisappear:animated];
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[TUIChatSmallTongueManager hideTongue:YES];
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}
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#pragma mark - Notification
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- (void)keyboardWillShow
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{
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if (![self messageSearchDataProvider].isNewerNoMoreMsg) {
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[[self messageSearchDataProvider] removeAllSearchData];
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[self.tableView reloadData];
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[self loadMessages:YES];
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}
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}
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#pragma mark - Overrider
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- (void)willShowMediaMessage:(TUIMessageCell *)cell
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{
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[TUIChatSmallTongueManager hideTongue:YES];
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}
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- (void)didCloseMediaMessage:(TUIMessageCell *)cell
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{
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[TUIChatSmallTongueManager hideTongue:NO];
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}
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#pragma mark - UIScrollViewDelegate
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- (void)scrollViewDidScroll:(UIScrollView *)scrollView
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{
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if (scrollView.contentOffset.y <= TMessageController_Header_Height
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&& ![self messageSearchDataProvider].isOlderNoMoreMsg) {
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// 显示下拉刷新
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if (!self.indicatorView.isAnimating) {
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[self.indicatorView startAnimating];
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}
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}
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else if ([self isScrollToBottomIndicatorViewY:scrollView]) {
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if (![self messageSearchDataProvider].isNewerNoMoreMsg) {
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// 显示上拉加载
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if (!self.bottomIndicatorView.isAnimating) {
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[self.bottomIndicatorView startAnimating];
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}
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}
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// 去掉 "回到最新位置", "xxx条新消息" 小舌头
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if (self.isInVC) {
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[TUIChatSmallTongueManager removeTongue:TUIChatSmallTongueType_ScrollToBoom];
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[TUIChatSmallTongueManager removeTongue:TUIChatSmallTongueType_ReceiveNewMsg];
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}
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}
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else if (self.isInVC && 0 == self.receiveMsgs.count && self.tableView.contentSize.height - self.tableView.contentOffset.y >= Screen_Height * 2.0) {
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CGPoint point = [scrollView.panGestureRecognizer translationInView:scrollView];
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// 下滑的时候，添加 "回到最新位置" 小舌头
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if (point.y > 0) {
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TUIChatSmallTongue *tongue = [[TUIChatSmallTongue alloc] init];
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tongue.type = TUIChatSmallTongueType_ScrollToBoom;
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[TUIChatSmallTongueManager showTongue:tongue delegate:self];
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}
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}
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else if (self.isInVC && self.tableView.contentSize.height - self.tableView.contentOffset.y >= 20) {
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// 去掉 "有人 @ 我" 小舌头
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[TUIChatSmallTongueManager removeTongue:TUIChatSmallTongueType_SomeoneAtMe];
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}
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else {
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if (self.indicatorView.isAnimating) {
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[self.indicatorView stopAnimating];
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}
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if (self.bottomIndicatorView.isAnimating) {
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[self.bottomIndicatorView stopAnimating];
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}
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}
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}
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- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
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{
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if (scrollView.contentOffset.y <= TMessageController_Header_Height
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&& ![self messageSearchDataProvider].isOlderNoMoreMsg) {
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// 拉取旧消息
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[self loadMessages:YES];
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}
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else if ([self isScrollToBottomIndicatorViewY:scrollView]
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&& ![self messageSearchDataProvider].isNewerNoMoreMsg
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) {
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// 加载新的消息
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[self loadMessages:NO];
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}
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}
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- (BOOL)isScrollToBottomIndicatorViewY:(UIScrollView *)scrollView {
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return (scrollView.contentOffset.y + self.tableView.mm_h + 2) > (scrollView.contentSize.height - self.indicatorView.mm_h);
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// 滚到临界点,再+2像素
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}
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#pragma mark - Getters & Setters
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- (void)setConversation:(TUIChatConversationModel *)conversationData
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{
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self.conversationData = conversationData;
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self.messageDataProvider = [[TUIMessageSearchDataProvider alloc] initWithConversationModel:self.conversationData];
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self.messageDataProvider.dataSource = self;
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if (self.locateMessage) {
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[self loadLocateMessages:YES];
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} else {
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[[self messageSearchDataProvider] removeAllSearchData];
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[self loadMessages:YES];
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}
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}
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#pragma mark - Private Methods
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- (TUIMessageSearchDataProvider *)messageSearchDataProvider {
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return (TUIMessageSearchDataProvider *)self.messageDataProvider;
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}
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// 加载定位消息
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- (void)loadLocateMessages:(BOOL)firstLoad
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{
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@weakify(self);
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[[self messageSearchDataProvider] loadMessageWithSearchMsg:self.locateMessage
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SearchMsgSeq:self.locateGroupMessageSeq
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ConversationInfo:self.conversationData
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SucceedBlock:^(BOOL isOlderNoMoreMsg, BOOL isNewerNoMoreMsg, NSArray<TUIMessageCellData *> * _Nonnull newMsgs) {
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[self.indicatorView stopAnimating];
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self.indicatorView.mm_h = 0;
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self.bottomIndicatorView.mm_h = 0;
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[self.tableView reloadData];
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if (!firstLoad) {
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// 在消息回复等跳转场景中，先将 tableview 滚动到最底部，再结合 scrollLocateMessage 来实现滚动定位效果
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NSInteger index = self.messageDataProvider.uiMsgs.count > 0 ? self.messageDataProvider.uiMsgs.count - 1 : 0;
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[self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:index inSection:0]
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atScrollPosition:UITableViewScrollPositionBottom
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animated:NO];
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}
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[self.tableView layoutIfNeeded];
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dispatch_async(dispatch_get_main_queue(), ^{
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@strongify(self)
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// 滚动到指定位置
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[self scrollLocateMessage:firstLoad];
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// 关键字高亮
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[self highlightKeyword];
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});
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} FailBlock:^(int code, NSString *desc) {
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}];
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}
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- (void)scrollLocateMessage:(BOOL)firstLoad
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{
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// 先找到 locateMsg 的坐标偏移
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CGFloat offsetY = 0;
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NSInteger index = 0;
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for (TUIMessageCellData *uiMsg in [self messageSearchDataProvider].uiMsgs) {
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if ([self isLocateMessage:uiMsg]) {
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break;
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}
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offsetY += [uiMsg heightOfWidth:Screen_Width];
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index++;
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}
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// 没有找到定位消息
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if (index == [self messageSearchDataProvider].uiMsgs.count) {
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return;
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}
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// 再偏移半个 tableview 的高度
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offsetY -= self.tableView.frame.size.height / 2.0;
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if (offsetY <= TMessageController_Header_Height) {
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offsetY = TMessageController_Header_Height + 0.1;
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}
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if (offsetY > TMessageController_Header_Height) {
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if (firstLoad) {
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[self.tableView scrollRectToVisible:CGRectMake(0, self.tableView.contentOffset.y + offsetY, Screen_Width, self.tableView.bounds.size.height) animated:NO];
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} else {
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[self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:index inSection:0] atScrollPosition:UITableViewScrollPositionMiddle animated:YES];
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}
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}
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}
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- (void)highlightKeyword
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{
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TUIMessageCellData *cellData = nil;
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for (TUIMessageCellData *tmp in [self messageSearchDataProvider].uiMsgs) {
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if ([self isLocateMessage:tmp]) {
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cellData = tmp;
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break;
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}
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}
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if (cellData == nil) {
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return;
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}
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@weakify(self)
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dispatch_async(dispatch_get_main_queue(), ^{
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@strongify(self)
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NSIndexPath *indexPath = [NSIndexPath indexPathForRow:[[self messageDataProvider].uiMsgs indexOfObject:cellData] inSection:0];
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cellData.highlightKeyword = self.hightlightKeyword.length?self.hightlightKeyword:@"hightlight";
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TUIMessageCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
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[cell fillWithData:cellData];
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@weakify(self)
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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@strongify(self)
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NSIndexPath *indexPath = [NSIndexPath indexPathForRow:[[self messageDataProvider].uiMsgs indexOfObject:cellData] inSection:0];
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cellData.highlightKeyword = nil;
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TUIMessageCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
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[cell fillWithData:cellData];
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});
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});
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}
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- (BOOL)isLocateMessage:(TUIMessageCellData *)uiMsg {
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if (self.locateMessage) {
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if ([uiMsg.innerMessage.msgID isEqualToString:self.locateMessage.msgID]) {
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return YES;
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}
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} else {
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if (self.conversationData.groupID.length > 0 && uiMsg.innerMessage && uiMsg.innerMessage.seq == self.locateGroupMessageSeq) {
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return YES;
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}
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}
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return NO;
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}
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/// @param order order=YES, 代表获取旧消息; order=NO, 代表获取新消息
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- (void)loadMessages:(BOOL)order
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{
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// 加载中case
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if ([self messageSearchDataProvider].isLoadingData) {
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return;
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}
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// 无数据case
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if (order && [self messageSearchDataProvider].isOlderNoMoreMsg) {
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[self.indicatorView stopAnimating];
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return;
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}
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if (!order && [self messageSearchDataProvider].isNewerNoMoreMsg) {
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[self.bottomIndicatorView stopAnimating];
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return;
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}
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@weakify(self);
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[[self messageSearchDataProvider] loadMessageWithIsRequestOlderMsg:order
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ConversationInfo:self.conversationData
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SucceedBlock:^(BOOL isOlderNoMoreMsg, BOOL isNewerNoMoreMsg, BOOL isFirstLoad, NSArray<TUIMessageCellData *> * _Nonnull newUIMsgs) {
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@strongify(self);
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[self.indicatorView stopAnimating];
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[self.bottomIndicatorView stopAnimating];
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if (isOlderNoMoreMsg) {
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self.indicatorView.mm_h = 0;
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} else {
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self.indicatorView.mm_h = TMessageController_Header_Height;
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}
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if (isNewerNoMoreMsg) {
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self.bottomIndicatorView.mm_h = 0;
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} else {
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self.bottomIndicatorView.mm_h = TMessageController_Header_Height;
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}
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[self.tableView reloadData];
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[self.tableView layoutIfNeeded];
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if (isFirstLoad) {
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[self scrollToBottom:NO];
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} else {
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if (order) {
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CGFloat visibleHeight = 0;
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for (NSInteger i = 0; i < newUIMsgs.count; ++i) {
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NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
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visibleHeight += [self tableView:self.tableView heightForRowAtIndexPath:indexPath];
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}
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if (isOlderNoMoreMsg) {
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visibleHeight -= TMessageController_Header_Height;
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}
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[self.tableView setContentOffset:CGPointMake(0, self.tableView.contentOffset.y + visibleHeight)
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animated:NO];
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}
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}
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} FailBlock:^(int code, NSString *desc) {
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}];
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}
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- (void)showReplyMessage:(TUIReplyMessageCell *)cell
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{
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[UIApplication.sharedApplication.keyWindow endEditing:YES];
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TUIReplyMessageCellData *cellData = cell.replyData;
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// 查询原始消息 - 在数据源里头调用
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[(TUIMessageSearchDataProvider *)self.messageDataProvider findMessages:@[cellData.originMsgID?:@""] callback:^(BOOL success, NSString * _Nonnull desc, NSArray<V2TIMMessage *> * _Nonnull msgs) {
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if (!success) {
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[TUITool makeToast:TUIKitLocalizableString(TUIKitReplyMessageNotFoundOriginMessage)];
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return;
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}
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V2TIMMessage *message = msgs.firstObject;
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if (message == nil) {
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[TUITool makeToast:TUIKitLocalizableString(TUIKitReplyMessageNotFoundOriginMessage)];
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return;
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}
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// 判断消息是否被删除或者撤回
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if (message.status == V2TIM_MSG_STATUS_HAS_DELETED || message.status == V2TIM_MSG_STATUS_LOCAL_REVOKED) {
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[TUITool makeToast:TUIKitLocalizableString(TUIKitReplyMessageNotFoundOriginMessage)];
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return;
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}
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[self locateAssignMessage:message matchKeyWord:cellData.msgAbstract];
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}];
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}
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- (void)locateAssignMessage:(V2TIMMessage *)message matchKeyWord:(NSString *)keyword
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{
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if (message == nil) {
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return;
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}
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self.locateMessage = message;
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self.hightlightKeyword = keyword;
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// 当前消息已经处于加载状态
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BOOL memoryExist = NO;
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for (TUIMessageCellData *cellData in self.messageDataProvider.uiMsgs) {
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if ([cellData.innerMessage.msgID isEqual:message.msgID]) {
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memoryExist = YES;
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break;
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}
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}
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if (memoryExist) {
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// 直接滚动
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[self scrollLocateMessage:NO];
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// 高亮
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[self highlightKeyword];
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return;
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}
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// 滚动
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TUIMessageSearchDataProvider *provider = (TUIMessageSearchDataProvider *)self.messageDataProvider;
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provider.isNewerNoMoreMsg = NO;
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provider.isOlderNoMoreMsg = NO;
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[self loadLocateMessages:NO];
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}
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#pragma mark - TUIMessageDataProviderDataSource
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- (void)dataProvider:(TUIMessageDataProvider *)dataProvider
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ReceiveNewUIMsg:(TUIMessageCellData *)uiMsg {
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[super dataProvider:dataProvider ReceiveNewUIMsg:uiMsg];
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// 查看历史消息的时候，如果滚动超过两屏，收到新消息后，添加 "xxx条新消息"小舌头
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if (self.isInVC && self.tableView.contentSize.height - self.tableView.contentOffset.y >= Screen_Height * 2.0) {
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[self.receiveMsgs addObject:uiMsg];
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TUIChatSmallTongue *tongue = [[TUIChatSmallTongue alloc] init];
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tongue.type = TUIChatSmallTongueType_ReceiveNewMsg;
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tongue.unreadMsgCount = self.receiveMsgs.count;
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[TUIChatSmallTongueManager showTongue:tongue delegate:self];
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}
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}
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- (void)dataProvider:(TUIMessageDataProvider *)dataProvider
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ReceiveRevokeUIMsg:(TUIMessageCellData *)uiMsg {
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// 撤回的消息要从 "xxx条新消息" 踢出
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[super dataProvider:dataProvider ReceiveRevokeUIMsg:uiMsg];
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if ([self.receiveMsgs containsObject:uiMsg]) {
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[self.receiveMsgs removeObject:uiMsg];
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TUIChatSmallTongue *tongue = [[TUIChatSmallTongue alloc] init];
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tongue.type = TUIChatSmallTongueType_ReceiveNewMsg;
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tongue.unreadMsgCount = self.receiveMsgs.count;
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if (tongue.unreadMsgCount != 0) {
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[TUIChatSmallTongueManager showTongue:tongue delegate:self];
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} else {
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[TUIChatSmallTongueManager removeTongue:TUIChatSmallTongueType_ReceiveNewMsg];
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}
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}
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}
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#pragma mark - TUIChatSmallTongueViewDelegate
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- (void)onChatSmallTongueClick:(TUIChatSmallTongue *)tongue {
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switch (tongue.type) {
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case TUIChatSmallTongueType_ScrollToBoom:
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{
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[self scrollToBottom:YES];
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}
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break;
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case TUIChatSmallTongueType_ReceiveNewMsg:
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{
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[TUIChatSmallTongueManager removeTongue:TUIChatSmallTongueType_ReceiveNewMsg];
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TUIMessageCellData *cellData = self.receiveMsgs.firstObject;
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if (cellData) {
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self.locateMessage = cellData.innerMessage;
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[self scrollLocateMessage:NO];
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[self highlightKeyword];
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}
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[self.receiveMsgs removeAllObjects];
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}
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break;
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case TUIChatSmallTongueType_SomeoneAtMe:
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{
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[TUIChatSmallTongueManager removeTongue:TUIChatSmallTongueType_SomeoneAtMe];
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[self.conversationData.atMsgSeqs removeAllObjects];;
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self.locateGroupMessageSeq = [tongue.atMsgSeqs.firstObject integerValue];
|
|
for (TUIMessageCellData *cellData in self.messageDataProvider.uiMsgs) {
|
|
if ([self isLocateMessage:cellData]) {
|
|
[self scrollLocateMessage:NO];
|
|
[self highlightKeyword];
|
|
return;
|
|
}
|
|
}
|
|
[self loadLocateMessages:NO];
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
@end
|