private boolean tryToPerformRefresh() {
if (mStatus != PTR_STATUS_PREPARE) {
return false;
}
//
if ((mPtrIndicator.isOverOffsetToKeepHeaderWhileLoading() && isAutoRefresh())
|| mPtrIndicator.isOverOffsetToRefresh()) {
mStatus = PTR_STATUS_LOADING;
performRefresh();
}
return false;
}
public void autoRefresh(boolean atOnce, int duration) {
if (mStatus != PTR_STATUS_INIT) {
return;
}
mFlag |= atOnce ? FLAG_AUTO_REFRESH_AT_ONCE : FLAG_AUTO_REFRESH_BUT_LATER;
mStatus = PTR_STATUS_PREPARE;
if (mPtrUIHandlerHolder.hasHandler()) {
mPtrUIHandlerHolder.onUIRefreshPrepare(this);
if (DEBUG) {
PtrCLog.i(LOG_TAG, "PtrUIHandler: onUIRefreshPrepare, mFlag %s", mFlag);
}
}
mScrollChecker.tryToScrollTo(mPtrIndicator.getOffsetToRefresh(), duration);
if (atOnce) {
mStatus = PTR_STATUS_LOADING;
performRefresh();
}
}
