GithubStar/Hippy
1
0
Fork 0
mirror of https://github.com/Tencent/Hippy.git synced 2026-10-27 20:47:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

feat(ios): add method to create custom scrollview (#2839)

Browse Source
This commit is contained in:
luomy
2023-02-06 17:01:04 +08:00
committed by zoomchan-cxj
parent 5bb12cad21
commit e9fcbc43cd
2 changed files with 26 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ios/sdk/component/scrollview/HippyScrollView.h
+13 -1
View File
@@ -29,10 +29,22 @@
@protocol UIScrollViewDelegate;
@interface HippyCustomScrollView : UIScrollView <UIGestureRecognizerDelegate>
@property (nonatomic, assign) BOOL centerContent;
@end
@interface HippyScrollView : HippyView <UIScrollViewDelegate, HippyScrollableProtocol, HippyAutoInsetsProtocol, HippyInvalidating>
- (instancetype)initWithEventDispatcher:(HippyEventDispatcher *)eventDispatcher NS_DESIGNATED_INITIALIZER;
/**
* This is where subclasses should create their custom scroll view hierarchy if they dont want to use default scroll view.
* Should never be called directly.
*/
- (HippyCustomScrollView *)loadScrollView;
/**
* The `HippyScrollView` may have at most one single subview. This will ensure
* that the scroll view's `contentSize` will be efficiently set to the size of
@@ -49,7 +61,7 @@
@property (nonatomic, assign) CGSize contentSize;
/**
* The underlying scrollView (TODO: can we remove this?)
* Get the underlying scrollview.
*/
@property (nonatomic, readonly) UIScrollView *scrollView;
ios/sdk/component/scrollview/HippyScrollView.m
+13 -10
View File
@@ -33,12 +33,6 @@
#import "HippyI18nUtils.h"
#import "objc/runtime.h"
@interface HippyCustomScrollView : UIScrollView <UIGestureRecognizerDelegate>
@property (nonatomic, assign) BOOL centerContent;
@end
@implementation HippyCustomScrollView
- (instancetype)initWithFrame:(CGRect)frame {
@@ -168,7 +162,7 @@ static inline BOOL CGPointIsNull(CGPoint point) {
@end
@implementation HippyScrollView {
@interface HippyScrollView() {
HippyCustomScrollView *_scrollView;
UIView *_contentView;
NSTimeInterval _lastScrollDispatchTime;
@@ -184,13 +178,14 @@ static inline BOOL CGPointIsNull(CGPoint point) {
__weak HippyRootView *_rootView;
}
@end
@implementation HippyScrollView
- (instancetype)initWithEventDispatcher:(HippyEventDispatcher *)eventDispatcher {
HippyAssertParam(eventDispatcher);
if ((self = [super initWithFrame:CGRectZero])) {
_scrollView = [[HippyCustomScrollView alloc] initWithFrame:CGRectZero];
_scrollView.delegate = self;
_scrollView.delaysContentTouches = NO;
_automaticallyAdjustContentInsets = YES;
_contentInset = UIEdgeInsetsZero;
_contentSize = CGSizeZero;
@@ -202,6 +197,7 @@ static inline BOOL CGPointIsNull(CGPoint point) {
_scrollListeners = [NSHashTable weakObjectsHashTable];
_contentOffsetCache = [NSMutableDictionary dictionaryWithCapacity:32];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveMemoryWarning) name:UIApplicationDidReceiveMemoryWarningNotification object:nil];
_scrollView = [self loadScrollView];
[self addSubview:_scrollView];
if ([self needsLayoutForRTL]) {
_scrollView.transform = CGAffineTransformMakeRotation(M_PI);
@@ -210,6 +206,13 @@ static inline BOOL CGPointIsNull(CGPoint point) {
return self;
}
- (HippyCustomScrollView *)loadScrollView {
HippyCustomScrollView *scrollview = [[HippyCustomScrollView alloc] initWithFrame:CGRectZero];
scrollview.delegate = self;
scrollview.delaysContentTouches = NO;
return scrollview;
}
- (void)didReceiveMemoryWarning {
[_contentOffsetCache removeAllObjects];
}