chore: import upstream snapshot with attribution

2026-07-13 12:35:01 +08:00
commit a2e318a963
2974 changed files with 158180 additions and 0 deletions
@@ -0,0 +1,201 @@
+//
+//  TLExpressionDetailViewController.m
+//  TLChat
+//
+//  Created by 李伯坤 on 16/4/8.
+//  Copyright © 2016年 李伯坤. All rights reserved.
+//
+
+#import "TLExpressionDetailViewController.h"
+#import "TLImageExpressionDisplayView.h"
+#import "TLExpressionGroupModel+DetailRequest.h"
+#import "TLExpressionDetailItemCell.h"
+
+typedef NS_ENUM(NSInteger, TLExpressionDetailVCSectionType) {
+    TLExpressionDetailVCSectionTypeHeader,
+    TLExpressionDetailVCSectionTypeItems,
+};
+
+@interface TLExpressionDetailViewController ()
+
+@property (nonatomic, assign) NSInteger pageIndex;
+
+@property (nonatomic, strong) TLImageExpressionDisplayView *emojiDisplayView;
+
+@end
+
+@implementation TLExpressionDetailViewController
+
+- (id)initWithGroupModel:(TLExpressionGroupModel *)groupModel
+{
+    if (self = [super init]) {
+        _pageIndex = 1;
+        _groupModel = groupModel;
+    }
+    return self;
+}
+
+- (void)loadView
+{
+    [super loadView];
+    [self setTitle:self.groupModel.name];
+    [self.view setBackgroundColor:[UIColor whiteColor]];
+    
+    // 添加表情长按浏览手势
+    [self p_addDisplayGesture];
+    
+    // 加载表情详情cells
+    [self p_loadGroupDetailCells];
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    
+    if (self.groupModel.data.count == 0) {
+        [TLUIUtility showLoading:nil];
+        [self requestExpressionGroupDetailDataWithPageIndex:1];
+    }
+    else {
+        [self p_showExpressionItemsWithData:self.groupModel.data];
+    }
+}
+
+- (void)viewWillDisappear:(BOOL)animated
+{
+    [super viewWillDisappear:animated];
+    
+    [TLUIUtility hiddenLoading];
+}
+
+#pragma mark - # Requests
+- (void)requestExpressionGroupDetailDataWithPageIndex:(NSInteger)pageIndex
+{
+    @weakify(self);
+    [self.groupModel requestExpressionGroupDetailByPageIndex:pageIndex success:^(NSArray *data) {
+        @strongify(self);
+        if (!self) {
+            return;
+        }
+        [TLUIUtility hiddenLoading];
+        self.pageIndex = pageIndex;
+        if (pageIndex == 1) {
+            self.groupModel.data = [data mutableCopy];
+            self.sectionForTag(TLExpressionDetailVCSectionTypeItems).clear();
+        }
+        else {
+            [self.groupModel.data addObjectsFromArray:data];
+        }
+        [self p_showExpressionItemsWithData:data];
+    } failure:^(NSString *error) {
+        [TLUIUtility hiddenLoading];
+    }];
+}
+
+#pragma mark - # Event Response
+- (void)didLongPressScreen:(UILongPressGestureRecognizer *)sender
+{
+    if (sender.state == UIGestureRecognizerStateEnded || sender.state == UIGestureRecognizerStateCancelled) {        // 长按停止
+        [self.emojiDisplayView removeFromSuperview];
+    }
+    else {
+        CGPoint point = [sender locationInView:self.collectionView];
+        for (UICollectionViewCell *cell in self.collectionView.visibleCells) {
+            if (cell.x <= point.x && cell.y <= point.y && cell.x + cell.width >= point.x && cell.y + cell.height >= point.y) {
+                NSIndexPath *indexPath = [self.collectionView indexPathForCell:cell];
+                TLExpressionModel *emoji = [self.groupModel objectAtIndex:indexPath.row];
+                CGRect rect = cell.frame;
+                rect.origin.y -= (self.collectionView.contentOffset.y + 13);
+                [self.emojiDisplayView removeFromSuperview];
+                [self.emojiDisplayView displayEmoji:emoji atRect:rect];
+                [self.view addSubview:self.emojiDisplayView];
+                break;
+            }
+        }
+    }
+}
+
+- (void)didTap5TimesScreen:(UITapGestureRecognizer *)sender
+{
+    CGPoint point = [sender locationInView:self.collectionView];
+    for (UICollectionViewCell *cell in self.collectionView.visibleCells) {
+        if (cell.x <= point.x && cell.y <= point.y && cell.x + cell.width >= point.x && cell.y + cell.height >= point.y) {
+            NSIndexPath *indexPath = [self.collectionView indexPathForCell:cell];
+            TLExpressionModel *emoji = [self.groupModel objectAtIndex:indexPath.row];
+            [TLUIUtility showLoading:@"正在将表情保存到系统相册"];
+            NSString *urlString = [TLExpressionModel expressionDownloadURLWithEid:emoji.eId];
+            NSData *data = [NSData dataWithContentsOfURL:TLURL(urlString)];
+            if (!data) {
+                data = [NSData dataWithContentsOfFile:emoji.path];
+            }
+            if (data) {
+                UIImage *image = [UIImage imageWithData:data];
+                UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL);
+            }
+            break;
+        }
+    }
+}
+
+- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
+{
+    if (error) {
+        [TLUIUtility showAlertWithTitle:@"错误" message:[NSString stringWithFormat:@"保存图片到系统相册失败\n%@", [error description]]];
+    }
+    else {
+        [TLUIUtility showSuccessHint:@"已保存到系统相册"];
+    }
+}
+
+#pragma mark - # Private Methods
+- (void)p_loadGroupDetailCells
+{
+    self.addSection(TLExpressionDetailVCSectionTypeHeader);
+    self.addSection(TLExpressionDetailVCSectionTypeItems)
+    .sectionInsets(UIEdgeInsetsMake(EXP_DETAIL_EDGE, EXP_DETAIL_EDGE, EXP_DETAIL_EDGE, EXP_DETAIL_EDGE))
+    .minimumLineSpacing(EXP_DETAIL_SPACE).minimumInteritemSpacing(EXP_DETAIL_SPACE);
+
+    if (self.groupModel) {
+        // banner
+        if (self.groupModel.bannerURL.length > 0) {
+            self.addCell(@"TLExpressionDetailBannerCell").toSection(TLExpressionDetailVCSectionTypeHeader).withDataModel(self.groupModel.bannerURL);
+        }
+        // 介绍
+        self.addCell(@"TLExpressionDetailInfoCell").toSection(TLExpressionDetailVCSectionTypeHeader).withDataModel(self.groupModel);
+        // 分割线
+        self.addCell(@"TLExpressionDetailSeperatorCell").toSection(TLExpressionDetailVCSectionTypeHeader);
+        [self reloadView];
+    }
+}
+
+- (void)p_addDisplayGesture
+{
+    UILongPressGestureRecognizer *longPressGR = [[UILongPressGestureRecognizer alloc] init];
+    [longPressGR setMinimumPressDuration:1.0f];
+    [longPressGR addTarget:self action:@selector(didLongPressScreen:)];
+    [self.collectionView addGestureRecognizer:longPressGR];
+    
+    UITapGestureRecognizer *tapGR = [[UITapGestureRecognizer alloc] init];
+    [tapGR setNumberOfTapsRequired:5];
+    [tapGR setNumberOfTouchesRequired:1];
+    [tapGR addTarget:self action:@selector(didTap5TimesScreen:)];
+    [self.collectionView addGestureRecognizer:tapGR];
+}
+
+- (void)p_showExpressionItemsWithData:(NSArray *)data
+{
+    // 表情
+    self.addCells(@"TLExpressionDetailItemCell").toSection(TLExpressionDetailVCSectionTypeItems).withDataModelArray(data);
+    [self reloadView];
+}
+
+#pragma mark - # Getter
+- (TLImageExpressionDisplayView *)emojiDisplayView
+{
+    if (_emojiDisplayView == nil) {
+        _emojiDisplayView = [[TLImageExpressionDisplayView alloc] init];
+    }
+    return _emojiDisplayView;
+}
+
+@end