private void onRelease(boolean stayForLoading) { tryToPerformRefresh(); if (mStatus == PTR_STATUS_LOADING) { // keep header for fresh if (mKeepHeaderWhenRefresh) { // scroll header back if (mPtrIndicator.isOverOffsetToKeepHeaderWhileLoading() && !stayForLoading) { mScrollChecker.tryToScrollTo( mPtrIndicator.getOffsetToKeepHeaderWhileLoading(), mDurationToClose); } else { // do nothing } } else { tryScrollBackToTopWhileLoading(); } } else { if (mStatus == PTR_STATUS_COMPLETE) { notifyUIRefreshComplete(false); } else { tryScrollBackToTopAbortRefresh(); } } }
private void updatePos(int change) { if (change == 0) { return; } boolean isUnderTouch = mPtrIndicator.isUnderTouch(); // once moved, cancel event will be sent to child if (isUnderTouch && !mHasSendCancelEvent && mPtrIndicator.hasMovedAfterPressedDown()) { mHasSendCancelEvent = true; sendCancelEvent(); } // leave initiated position or just refresh complete if ((mPtrIndicator.hasJustLeftStartPosition() && mStatus == PTR_STATUS_INIT) || (mPtrIndicator.goDownCrossFinishPosition() && mStatus == PTR_STATUS_COMPLETE && isEnabledNextPtrAtOnce())) { mStatus = PTR_STATUS_PREPARE; mPtrUIHandlerHolder.onUIRefreshPrepare(this); if (DEBUG) { PtrCLog.i(LOG_TAG, "PtrUIHandler: onUIRefreshPrepare, mFlag %s", mFlag); } } // back to initiated position if (mPtrIndicator.hasJustBackToStartPosition()) { tryToNotifyReset(); // recover event to children if (isUnderTouch) { sendDownEvent(); } } // Pull to Refresh if (mStatus == PTR_STATUS_PREPARE) { // reach fresh height while moving from top to bottom if (isUnderTouch && !isAutoRefresh() && mPullToRefresh && mPtrIndicator.crossRefreshLineFromTopToBottom()) { tryToPerformRefresh(); } // reach header height while auto refresh if (performAutoRefreshButLater() && mPtrIndicator.hasJustReachedHeaderHeightFromTopToBottom()) { tryToPerformRefresh(); } } if (DEBUG) { PtrCLog.v( LOG_TAG, "updatePos: change: %s, current: %s last: %s, top: %s, headerHeight: %s", change, mPtrIndicator.getCurrentPosY(), mPtrIndicator.getLastPosY(), mContent.getTop(), mHeaderHeight); } mHeaderView.offsetTopAndBottom(change); if (!isPinContent()) { mContent.offsetTopAndBottom(change); } invalidate(); if (mPtrUIHandlerHolder.hasHandler()) { mPtrUIHandlerHolder.onUIPositionChange(this, isUnderTouch, mStatus, mPtrIndicator); } onPositionChange(isUnderTouch, mStatus, mPtrIndicator); }