@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case WHAT_DISPATCH_NOTIFY_REFRESH:
Object[] argsRefresh = (Object[]) msg.obj;
RecyclerFooterAdapterWrapper wrapperRefresh =
(RecyclerFooterAdapterWrapper) argsRefresh[0];
List<WeakReference<SwipeRefreshLayout.OnRefreshListener>> listenersRefresh =
(List<WeakReference<SwipeRefreshLayout.OnRefreshListener>>) argsRefresh[1];
wrapperRefresh.setLoadmoreEnabled(false);
for (WeakReference<SwipeRefreshLayout.OnRefreshListener> weak : listenersRefresh) {
SwipeRefreshLayout.OnRefreshListener listener = weak.get();
if (listener != null) {
onNotify(listener);
}
}
break;
case WHAT_DISPATCH_NOTIFY_LOADMORE:
Object[] argsLoadmore = (Object[]) msg.obj;
RecyclerFooterAdapterWrapper wrapperLoadmore =
(RecyclerFooterAdapterWrapper) argsLoadmore[0];
List<WeakReference<OnLoadmoreListener>> listenersLoadmore =
(List<WeakReference<OnLoadmoreListener>>) argsLoadmore[1];
if (!wrapperLoadmore.isLoadingmoreEnabled() || wrapperLoadmore.isLoadingmoreing()) {
return;
}
// TODO 此处需要禁用下拉功能
wrapperLoadmore.setLoadmoreing(true);
for (WeakReference<OnLoadmoreListener> weak : listenersLoadmore) {
OnLoadmoreListener listener = weak.get();
if (listener != null) {
onNotify(listener);
}
}
break;
case WHAT_ON_REFRESH:
case WHAT_ON_LOADMORE:
Object listener = msg.obj;
if (listener != null) {
if (listener instanceof SwipeRefreshLayout.OnRefreshListener) {
((SwipeRefreshLayout.OnRefreshListener) listener).onRefresh();
} else if (listener instanceof OnLoadmoreListener) {
((OnLoadmoreListener) listener).onLoadmore();
}
}
break;
}
}
/**
* 检查是否需要执行Loadmore
*
* @param recycler RecyclerView
* @param listener 加载更多监听
*/
private static void checkLoadmore(RecyclerView recycler, OnLoadmoreListener listener) {
RecyclerView.LayoutManager layoutManager = recycler.getLayoutManager();
if (layoutManager instanceof LinearLayoutManager) {
int lastVisibleItem = ((LinearLayoutManager) layoutManager).findLastVisibleItemPosition();
int totalItemCount = recycler.getAdapter().getItemCount();
if (lastVisibleItem >= totalItemCount - 1) {
listener.onLoadmore();
}
} else if (layoutManager instanceof StaggeredGridLayoutManager) {
StaggeredGridLayoutManager gridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
int last[] = new int[gridLayoutManager.getSpanCount()];
gridLayoutManager.findLastVisibleItemPositions(last);
int totalItemCount = recycler.getAdapter().getItemCount();
for (int i = 0; i < last.length; i++) {
int lastVisibleItem = last[i];
if (lastVisibleItem >= totalItemCount - 1) {
listener.onLoadmore();
break;
}
}
}
}
