增加换肤功能

TUIKit/TUIChat/CommonUI/Pop/TUIChatFlexViewController.m

@@ -0,0 +1,163 @@
+//
+//  TUIChatFlexViewController.m
+//  TUIChat
+//
+//  Created by wyl on 2022/10/27.
+//  Copyright © 2023 Tencent. All rights reserved.
+//
+
+#import "TUIChatFlexViewController.h"
+
+typedef enum : NSUInteger {
+    FLEX_TOP,
+    FLEX_Bottom,
+} FLEX_Location;
+
+CGFloat topMargin = NavBar_Height + 30;
+
+@interface TUIChatFlexViewController ()
+
+@property(nonatomic, assign) FLEX_Location currentLoaction;
+
+@property(nonatomic, strong) UIPanGestureRecognizer *panCover;
+
+@property(nonatomic, strong) UITapGestureRecognizer *singleTap;
+
+@end
+
+@implementation TUIChatFlexViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    self.view.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:.5];
+
+    self.containerView.backgroundColor = [UIColor whiteColor];
+
+    self.topImgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:TUIChatImagePath_Minimalist(@"icon_flex_arrow")]];
+    [self.topGestureView addSubview:self.topImgView];
+
+    [self addSingleTapGesture];
+
+    if (!_currentLoaction) {
+        self.currentLoaction = FLEX_TOP;
+    }
+
+    [self updateSubContainerView];
+}
+
+- (void)addSingleTapGesture {
+    // When clicking on the shadow, the page disappears
+    self.view.userInteractionEnabled = YES;
+    UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(singleTap:)];
+    singleTap.cancelsTouchesInView = NO;
+    [self.view addGestureRecognizer:singleTap];
+}
+
+- (void)singleTap:(UITapGestureRecognizer *)tap {
+    CGPoint translation = [tap locationInView:self.containerView];
+
+    if (translation.x < 0 || translation.y < 0) {
+        [self dismissViewControllerAnimated:YES completion:nil];
+    } else if (translation.x > self.containerView.frame.size.width || translation.y > self.containerView.frame.size.height) {
+        [self dismissViewControllerAnimated:YES completion:nil];
+    }
+}
+
+- (void)setnormalTop {
+    self.currentLoaction = FLEX_TOP;
+}
+
+- (void)setNormalBottom {
+    self.currentLoaction = FLEX_Bottom;
+}
+
+- (void)setCurrentLoaction:(FLEX_Location)currentLoaction {
+    _currentLoaction = currentLoaction;
+    if (currentLoaction == FLEX_TOP) {
+        self.containerView.frame = CGRectMake(0, topMargin, self.view.frame.size.width, self.view.frame.size.height - topMargin);
+    } else if (currentLoaction == FLEX_Bottom) {
+        self.containerView.frame = CGRectMake(0, self.view.frame.size.height - kScale390(393), self.view.frame.size.width, kScale390(393));
+    }
+}
+
+#pragma mark - lazy
+
+- (UIView *)containerView {
+    if (_containerView == nil) {
+        _containerView = [[UIView alloc] init];
+        _containerView.layer.cornerRadius = kScale390(12);
+        [self.view addSubview:_containerView];
+    }
+    return _containerView;
+}
+
+- (UIView *)topGestureView {
+    if (_topGestureView == nil) {
+        _topGestureView = [[UIView alloc] init];
+        [_topGestureView addGestureRecognizer:self.panCover];
+        [self.containerView addSubview:_topGestureView];
+    }
+    return _topGestureView;
+}
+
+- (UIPanGestureRecognizer *)panCover {
+    if (_panCover == nil) {
+        _panCover = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(onPanCover:)];
+    }
+    return _panCover;
+}
+
+- (void)onPanCover:(UIPanGestureRecognizer *)pan {
+    CGPoint translation = [pan translationInView:self.topGestureView];
+    CGFloat absX = fabs(translation.x);
+    CGFloat absY = fabs(translation.y);
+
+    if (MAX(absX, absY) < 2) return;
+    if (absX > absY) {
+        if (translation.x < 0) {
+            // scroll left
+        } else {
+            // scroll right
+        }
+    } else if (absY > absX) {
+        if (translation.y < 0) {
+            // scroll up
+            [self.topGestureView removeGestureRecognizer:self.panCover];
+            [UIView animateWithDuration:0.3
+                animations:^{
+                  self.currentLoaction = FLEX_TOP;
+                  [self.topGestureView addGestureRecognizer:self.panCover];
+                }
+                completion:^(BOOL finished) {
+                  if (finished) {
+                      [self updateSubContainerView];
+                  }
+                }];
+        } else {
+            // scroll down
+            if (self.currentLoaction == FLEX_Bottom) {
+                [self dismissViewControllerAnimated:YES completion:nil];
+            }
+            [self.topGestureView removeGestureRecognizer:self.panCover];
+            [UIView animateWithDuration:0.3
+                animations:^{
+                  self.currentLoaction = FLEX_Bottom;
+                  [self.topGestureView addGestureRecognizer:self.panCover];
+                }
+                completion:^(BOOL finished) {
+                  if (finished) {
+                      dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+                        [self updateSubContainerView];
+                      });
+                  }
+                }];
+        }
+    }
+}
+
+- (void)updateSubContainerView {
+    self.topGestureView.frame = CGRectMake(0, 0, self.containerView.frame.size.width, kScale390(40));
+    self.topImgView.frame = CGRectMake((self.topGestureView.frame.size.width - kScale390(24)) * 0.5, kScale390(22), kScale390(24), kScale390(6));
+}
+@end