feat(ios,js): refreshWrapper support viewPager

docs/hippy-react/components.md

@@ -210,18 +210,21 @@ import icon from './qb_icon_new.png';
 
 [[RefreshWrapper 范例]](//github.com/Tencent/Hippy/tree/master/examples/hippy-react-demo/src/components/RefreshWrapper)
 
-包裹住 `ListView` 提供下滑刷新功能的组件.
-
-> `RefreshWrapper` 现在只支持包裹一个 `ListView` 组件，暂不支持别的组件的下滑刷新功能。
+包裹住 `ListView` 或 `ViewPager` 提供滑动刷新功能的组件.
 
 ## 参数
 
 | 参数       | 描述                                                 | 类型       | 支持平台 |
 | ---------- | ---------------------------------------------------- | ---------- | -------- |
-| onRefresh  | 当`RefreshWrapper`执行刷新操作时，会触发到此回调函数 | `Function` | `Android、iOS、hippy-react-web、Web-Renderer` |
-| getRefresh | 定义刷新栏的视图表现，返回 `View`， `Text` 等组件。  | `Function` | `Android、iOS、hippy-react-web、Web-Renderer` |
+| onRefresh  | 当`RefreshWrapper`的`Refresh Header`执行刷新操作时，会触发到此回调函数 | `Function` | `Android、iOS、hippy-react-web、Web-Renderer` |
+| getRefresh | 定义`Refresh Header`刷新栏的视图表现，返回 `View`， `Text` 等组件。  | `Function` | `Android、iOS、hippy-react-web、Web-Renderer` |
 | bounceTime | 指定刷新条收回动画的时长，单位为ms                   | `number`   | `Android、iOS、Web-Renderer`    |
 
+| hiddenHeader  | 是否显示`RefreshWrapper`的`Refresh Header`，`default: false`，`最低支持版本 2.17.6` | `boolean`   | `Android、iOS` |
+| showFooter  | 是否显示`RefreshWrapper`的`Refresh Footer`，`default: false`，`最低支持版本 2.17.6` | `boolean`   | `Android、iOS` |
+| onFooterRefresh  | 当`RefreshWrapper`的`Refresh Footer`执行刷新操作时，会触发到此回调函数。 `最低支持版本 2.17.6` | `Function` | `Android、iOS` |
+| getFooterRefresh | 定义`Refresh Footer`刷新栏的视图表现，返回 `View`， `Text` 等组件。`最低支持版本 2.17.6` | `Function` | `Android、iOS` |
+
 ## 方法
 
 ### refreshCompleted

examples/hippy-react-demo/src/components/ViewPager/index.jsx

@@ -4,6 +4,7 @@ import {
   View,
   Text,
   ViewPager,
+  RefreshWrapper,
 } from '@hippy/react';
 import { CirclePagerView, SquarePagerView, TrianglePagerView } from '../../shared/PagerItemView';
 
@@ -65,6 +66,10 @@ export default class PagerExample extends React.Component {
       super(props);
       this.onPageSelected = this.onPageSelected.bind(this);
       this.onPageScrollStateChanged = this.onPageScrollStateChanged.bind(this);
+      this.onRefresh = this.onRefresh.bind(this);
+      this.getRefresh = this.getRefresh.bind(this);
+      this.onFooterRefresh = this.onFooterRefresh.bind(this);
+      this.getFooterRefresh = this.getFooterRefresh.bind(this);
     }
 
     onPageSelected(pageData) {
@@ -81,6 +86,55 @@ export default class PagerExample extends React.Component {
     onPageScroll({ offset, position }) {
       console.log('onPageScroll', offset, position);
     }
+
+    /**
+     * callback for header
+     */
+    onRefresh() {
+      setTimeout(async () => {
+        console.log('RefreshWrapper onRefresh');
+        this.refresh.refreshCompleted();
+      }, 3000);
+    }
+
+    /**
+     *  get header view
+     */
+    getRefresh() {
+      return (
+      <View style={{ flex: 1, width: 80, backgroundColor: 'green' }}>
+        <View style={{ flex: 2 }}></View>
+        <View style={{ width: 40, height: 40, alignSelf: 'center', backgroundColor: 'red' }}></View>
+        <Text style={{ flex: 1, marginTop: 10, textAlign: 'center' }}>刷新中...</Text>
+        <View style={{ flex: 2 }}></View>
+      </View>
+      );
+    }
+
+    /**
+     * callback for footer
+     */
+    onFooterRefresh() {
+      setTimeout(async () => {
+        console.log('RefreshWrapper onFooterRefresh');
+        this.refresh.refreshFooterCompleted();
+      }, 3000);
+    }
+
+    /**
+     *  get footer view
+     */
+    getFooterRefresh() {
+      return (
+      <View style={{ flex: 1, width: 80, backgroundColor: 'green' }}>
+        <View style={{ flex: 2 }}></View>
+        <View style={{ width: 40, height: 40, alignSelf: 'center', backgroundColor: 'red' }}></View>
+        <Text style={{ flex: 1, marginTop: 10, textAlign: 'center' }}>刷新中...</Text>
+        <View style={{ flex: 2 }}></View>
+      </View>
+      );
+    }
+
     render() {
       const { selectedIndex } = this.state;
       return (
@@ -98,26 +152,45 @@ export default class PagerExample extends React.Component {
               <Text style={styles.buttonText}>直接滑到第1页</Text>
             </View>
           </View>
-          <ViewPager
+
+          <RefreshWrapper
             ref={(ref) => {
-              this.viewpager = ref;
+              this.refresh = ref;
             }}
-            style={styles.container}
-            initialPage={0}
-            keyboardDismissMode="none"
-            scrollEnabled
-            onPageSelected={this.onPageSelected}
-            onPageScrollStateChanged={this.onPageScrollStateChanged}
-            onPageScroll={this.onPageScroll}
+            style={{ flex: 1 }}
+            horizontal={true}
+            hiddenHeader={false}
+            showFooter={true}
+            onRefresh={this.onRefresh}
+            onFooterRefresh={this.onFooterRefresh}
+            bounceTime={500}
+            getRefresh={this.getRefresh}
+            getFooterRefresh={this.getFooterRefresh}
           >
-            {
-              [
-                SquarePagerView('squarePager'),
-                TrianglePagerView('TrianglePager'),
-                CirclePagerView('CirclePager'),
-              ]
-            }
-          </ViewPager>
+
+            <ViewPager
+              ref={(ref) => {
+                this.viewpager = ref;
+              }}
+              style={styles.container}
+              initialPage={0}
+              keyboardDismissMode="none"
+              scrollEnabled
+              onPageSelected={this.onPageSelected}
+              onPageScrollStateChanged={this.onPageScrollStateChanged}
+              onPageScroll={this.onPageScroll}
+            >
+              {
+                [
+                  SquarePagerView('squarePager'),
+                  TrianglePagerView('TrianglePager'),
+                  CirclePagerView('CirclePager'),
+                ]
+              }
+            </ViewPager>
+
+            </RefreshWrapper>
+
           <View style={styles.dotContainer}>
             {
               new Array(PAGE_COUNT).fill(0)

ios/sdk/component/listview/HippyBaseListView.m

@@ -33,12 +33,16 @@
 
 @interface HippyBaseListView () <HippyScrollProtocol, HippyRefreshDelegate>
 
+/// Scrollable's scroll event delegates
+@property (nonatomic, strong) NSHashTable<id<UIScrollViewDelegate>> *scrollListeners;
+/// Scrollable's layout event delegates
+@property (nonatomic, strong) NSHashTable<id<HippyScrollableLayoutDelegate>> *layoutDelegates;
+
 @end
 
 @implementation HippyBaseListView {
     __weak HippyBridge *_bridge;
     __weak HippyRootView *_rootView;
-    NSHashTable *_scrollListeners;
     BOOL _isInitialListReady;
     NSUInteger _preNumberOfRows;
     BOOL _allowNextScrollNoMatterWhat;
@@ -55,7 +59,6 @@ @implementation HippyBaseListView {
 - (instancetype)initWithBridge:(HippyBridge *)bridge {
     if (self = [super initWithFrame:CGRectZero]) {
         _bridge = bridge;
-        _scrollListeners = [NSHashTable weakObjectsHashTable];
         _dataSource = [HippyBaseListViewDataSource new];
         _isInitialListReady = NO;
         _preNumberOfRows = 0;
@@ -197,6 +200,9 @@ - (void)zoomToRect:(__unused CGRect)rect animated:(__unused BOOL)animated {
 }
 
 - (void)addScrollListener:(NSObject<UIScrollViewDelegate> *)scrollListener {
+    if (!self.scrollListeners) {
+        self.scrollListeners = [NSHashTable weakObjectsHashTable];
+    }
     [_scrollListeners addObject:scrollListener];
 }
 
@@ -231,6 +237,19 @@ - (void)scrollToIndex:(NSInteger)index animated:(BOOL)animated {
     }
 }
 
+- (void)addHippyScrollableLayoutDelegate:(id<HippyScrollableLayoutDelegate>)delegate {
+    HippyAssertMainThread();
+    if (!self.layoutDelegates) {
+        self.layoutDelegates = [NSHashTable weakObjectsHashTable];
+    }
+    [self.layoutDelegates addObject:delegate];
+}
+
+- (void)removeHippyScrollableLayoutDelegate:(id<HippyScrollableLayoutDelegate>)delegate {
+    HippyAssertMainThread();
+    [self.layoutDelegates removeObject:delegate];
+}
+
 #pragma mark - Delegate & Datasource
 
 - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
@@ -368,6 +387,13 @@ - (void)tableViewDidLayoutSubviews:(HippyListTableView *)tableView {
         }
     }
     _previousVisibleCells = visibleCells;
+
+    // Notify delegates of HippyScrollableLayoutDelegate
+    for (id<HippyScrollableLayoutDelegate> layoutDelegate in self.layoutDelegates) {
+        if ([layoutDelegate respondsToSelector:@selector(scrollableDidLayout:)]) {
+            [layoutDelegate scrollableDidLayout:self];
+        }
+    }
 }
 
 #pragma mark - Scroll

ios/sdk/component/refreshview/HippyRefreshWrapper.h

@@ -21,12 +21,40 @@
  */
 
 #import <UIKit/UIKit.h>
+#import "HippyComponent.h"
 #import "HippyInvalidating.h"
+
 NS_ASSUME_NONNULL_BEGIN
+
 @class HippyBridge;
+
+/// RefreshWrapper add refresh capability to scrollable components such as ListView
 @interface HippyRefreshWrapper : UIView <HippyInvalidating>
+
+/// Direction of Refresh
+@property (nonatomic, assign, getter=isHorizontal) BOOL horizontal;
+
+/// Bounce time of refresh start/end animation
+@property (nonatomic, assign) CGFloat bounceTime;
+
+/// The onRefresh block that JS side binding.
+@property (nonatomic, copy) HippyDirectEventBlock onRefresh;
+
+/// The footer onRefresh block that JS side binding.
+@property (nonatomic, copy) HippyDirectEventBlock onFooterRefresh;
+
+/// Call to indicate refresh completion.
 - (void)refreshCompleted;
+
+/// Call to indicate refresh footer completion.
+- (void)refreshFooterCompleted;
+
+/// Call to start the refresh process.
 - (void)startRefresh;
+
+/// Call to start the footer refresh process.
+- (void)startRefreshFooter;
+
 @end
 
 NS_ASSUME_NONNULL_END