Examples with RECENTS com.android.quickstep.GestureState.GestureEndTarget.RECENTS used on opensource projects

Example 1 with RECENTS

use of com.android.quickstep.GestureState.GestureEndTarget.RECENTS in project android_packages_apps_Launcher3 by crdroidandroid.

the class AbsSwipeUpHandler method handleNormalGestureEnd.

@UiThread
private void handleNormalGestureEnd(float endVelocity, boolean isFling, PointF velocity, boolean isCancel) {
    long duration = MAX_SWIPE_DURATION;
    float currentShift = mCurrentShift.value;
    final GestureEndTarget endTarget = calculateEndTarget(velocity, endVelocity, isFling, isCancel);
    // Set the state, but don't notify until the animation completes
    mGestureState.setEndTarget(endTarget, false);
    float endShift = endTarget.isLauncher ? 1 : 0;
    final float startShift;
    if (!isFling) {
        long expectedDuration = Math.abs(Math.round((endShift - currentShift) * MAX_SWIPE_DURATION * SWIPE_DURATION_MULTIPLIER));
        duration = Math.min(MAX_SWIPE_DURATION, expectedDuration);
        startShift = currentShift;
    } else {
        startShift = Utilities.boundToRange(currentShift - velocity.y * getSingleFrameMs(mContext) / mTransitionDragLength, 0, mDragLengthFactor);
        if (mTransitionDragLength > 0) {
            float distanceToTravel = (endShift - currentShift) * mTransitionDragLength;
            // we want the page's snap velocity to approximately match the velocity at
            // which the user flings, so we scale the duration by a value near to the
            // derivative of the scroll interpolator at zero, ie. 2.
            long baseDuration = Math.round(Math.abs(distanceToTravel / velocity.y));
            duration = Math.min(MAX_SWIPE_DURATION, 2 * baseDuration);
        }
    }
    Interpolator interpolator;
    S state = mActivityInterface.stateFromGestureEndTarget(endTarget);
    if (state.displayOverviewTasksAsGrid(mDp)) {
        interpolator = ACCEL_DEACCEL;
    } else if (endTarget == RECENTS) {
        interpolator = OVERSHOOT_1_2;
    } else {
        interpolator = DEACCEL;
    }
    if (endTarget.isLauncher) {
        mInputConsumerProxy.enable();
    }
    if (endTarget == HOME) {
        duration = HOME_DURATION;
        // Early detach the nav bar once the endTarget is determined as HOME
        if (mRecentsAnimationController != null) {
            mRecentsAnimationController.detachNavigationBarFromApp(true);
        }
    } else if (endTarget == RECENTS) {
        if (mRecentsView != null) {
            int nearestPage = mRecentsView.getDestinationPage();
            boolean isScrolling = false;
            // Update page scroll before snapping to page to make sure we snapped to the
            // position calculated with target gesture in mind.
            mRecentsView.updateScrollSynchronously();
            if (mRecentsView.getNextPage() != nearestPage) {
                // We shouldn't really scroll to the next page when swiping up to recents.
                // Only allow settling on the next page if it's nearest to the center.
                mRecentsView.snapToPage(nearestPage, Math.toIntExact(duration));
                isScrolling = true;
            }
            if (mRecentsView.getScroller().getDuration() > MAX_SWIPE_DURATION) {
                mRecentsView.snapToPage(mRecentsView.getNextPage(), (int) MAX_SWIPE_DURATION);
                isScrolling = true;
            }
            if (!mGestureState.isHandlingAtomicEvent() || isScrolling) {
                duration = Math.max(duration, mRecentsView.getScroller().getDuration());
            }
        }
    }
    // or resumeLastTask().
    if (mRecentsView != null) {
        mRecentsView.setOnPageTransitionEndCallback(() -> mGestureState.setState(STATE_RECENTS_SCROLLING_FINISHED));
    } else {
        mGestureState.setState(STATE_RECENTS_SCROLLING_FINISHED);
    }
    animateToProgress(startShift, endShift, duration, interpolator, endTarget, velocity);
}