Merge "Reset shade over scroll state when split shade enabled changes" into tm-qpr-dev

    private void onSplitShadeEnabledChanged() {

        mShadeLog.logSplitShadeChanged(mSplitShadeEnabled);

        // Reset any left over overscroll state. It is a rare corner case but can happen.

        mQsController.setOverScrollAmount(0);

        mScrimController.setNotificationsOverScrollAmount(0);

        mNotificationStackScrollLayoutController.setOverExpansion(0);

        mNotificationStackScrollLayoutController.setOverScrollAmount(0);

        // when we switch between split shade and regular shade we want to enforce setting qs to

        // the default state: expanded for split shade and collapsed otherwise

        if (!isOnKeyguard() && mPanelExpanded) {

import static org.mockito.Mockito.inOrder;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.reset;

import static org.mockito.Mockito.times;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

    }

    @Test

    public void onSplitShadeChanged_duringShadeExpansion_resetsOverScrollState() {

        // There was a bug where there was left-over overscroll state after going from split shade

        // to single shade.

        // Since on single shade we don't set overscroll values on QS nor Scrim, those values that

        // were there from split shade were never reset.

        // To prevent this, we will reset all overscroll state.

        enableSplitShade(true);

        reset(mQsController, mScrimController, mNotificationStackScrollLayoutController);

        mNotificationPanelViewController.setOverExpansion(123);

        verify(mQsController).setOverScrollAmount(123);

        verify(mScrimController).setNotificationsOverScrollAmount(123);

        verify(mNotificationStackScrollLayoutController).setOverExpansion(123);

        enableSplitShade(false);

        verify(mQsController).setOverScrollAmount(0);

        verify(mScrimController).setNotificationsOverScrollAmount(0);

        verify(mNotificationStackScrollLayoutController).setOverExpansion(0);

    }

    @Test

    public void onSplitShadeChanged_alwaysResetsOverScrollState() {

        enableSplitShade(true);

        enableSplitShade(false);

        verify(mQsController, times(2)).setOverScrollAmount(0);

        verify(mScrimController, times(2)).setNotificationsOverScrollAmount(0);

        verify(mNotificationStackScrollLayoutController, times(2)).setOverExpansion(0);

        verify(mNotificationStackScrollLayoutController, times(2)).setOverScrollAmount(0);

    }

    /**

     * When shade is flinging to close and this fling is not intercepted,

     * {@link AmbientState#setIsClosing(boolean)} should be called before