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MJRefreshHeader's resetInset bug for section header pinned & device r… #1444

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MJRefreshHeader's resetInset bug for section header pinned & device r… #1444

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812aace
MJRefreshHeader's resetInset bug for section header pinned & device r…
Jun 11, 2020
78c445b
adapter case of isCollectionViewAnimationBug = YES
Jun 13, 2020
bf2d044
recover unmeaning changed code
Jun 13, 2020
fe0e485
fixed device orientation bug
Jun 15, 2020
de26bb9
Merge branch 'master' into clx
wolfcon Mar 24, 2021
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24 changes: 13 additions & 11 deletions MJRefresh/Base/MJRefreshHeader.m
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Original file line number Diff line number Diff line change
Expand Up @@ -59,28 +59,29 @@ - (void)resetInset {
}

// sectionheader停留解决
CGFloat insetT = - self.scrollView.mj_offsetY > _scrollViewOriginalInset.top ? - self.scrollView.mj_offsetY : _scrollViewOriginalInset.top;
insetT = insetT > self.mj_h + _scrollViewOriginalInset.top ? self.mj_h + _scrollViewOriginalInset.top : insetT;
self.insetTDelta = _scrollViewOriginalInset.top - insetT;
// 避免 CollectionView 在使用根据 Autolayout 和 内容自动伸缩 Cell, 刷新时导致的 Layout 异常渲染问题
if (self.scrollView.mj_insetT != insetT) {
self.scrollView.mj_insetT = insetT;
CGFloat systemTop = self.scrollView.mj_insetT - self.insetTDelta;
CGFloat delta = -systemTop - self.scrollView.mj_offsetY;
delta = delta < 0.f ? 0 : MIN(delta, self.mj_h);
if (delta >= 0 && delta != self.insetTDelta) {
CGFloat adjust = delta - self.insetTDelta;
self.insetTDelta = delta;
self.scrollView.mj_insetT += adjust;
}
}

- (void)scrollViewContentOffsetDidChange:(NSDictionary *)change
{
[super scrollViewContentOffsetDidChange:change];

// 跳转到下一个控制器时，contentInset可能会变
_scrollViewOriginalInset = self.scrollView.mj_inset;

// 在刷新的refreshing状态
if (self.state == MJRefreshStateRefreshing) {
[self resetInset];
return;
}

// 跳转到下一个控制器时，contentInset可能会变
_scrollViewOriginalInset = self.scrollView.mj_inset;

// 当前的contentOffset
CGFloat offsetY = self.scrollView.mj_offsetY;
// 头部控件刚好出现的offsetY
Expand Down Expand Up @@ -134,8 +135,8 @@ - (void)headerEndingAction {
if (!self.isCollectionViewAnimationBug) {
// 恢复inset和offset
[UIView animateWithDuration:MJRefreshSlowAnimationDuration animations:^{
self.scrollView.mj_insetT += self.insetTDelta;

self.scrollView.mj_insetT -= self.insetTDelta;
self.insetTDelta = 0.f;
if (self.endRefreshingAnimationBeginAction) {
self.endRefreshingAnimationBeginAction();
}
Expand Down Expand Up @@ -207,6 +208,7 @@ - (void)headerRefreshingAction {
CGFloat top = self.scrollViewOriginalInset.top + self.mj_h;
// 增加滚动区域top
self.scrollView.mj_insetT = top;
self.insetTDelta = self.mj_h;
// 设置滚动位置
CGPoint offset = self.scrollView.contentOffset;
offset.y = -top;
Expand Down