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Commit 9c17b774 authored by Selim Cinek's avatar Selim Cinek
Browse files

Cleaned up the clipping logic for the dismiss motion.

Notifications are now not clipped anymore during the animation
and it is ensured that the State is always correctly reset after
the animation.

Bug: 22232352
Change-Id: Ic873a0b119d5f71c29f5fd9b76a7bee1ae74638b
parent ae77f8e6
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+9 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ public abstract class ExpandableView extends FrameLayout {
    private int mClipTopOptimization;
    private static Rect mClipRect = new Rect();
    private boolean mWillBeGone;
    private int mMinClipTopAmount = 0;

    public ExpandableView(Context context, AttributeSet attrs) {
        super(context, attrs);
@@ -400,6 +401,14 @@ public abstract class ExpandableView extends FrameLayout {
        mWillBeGone = willBeGone;
    }

    public int getMinClipTopAmount() {
        return mMinClipTopAmount;
    }

    public void setMinClipTopAmount(int minClipTopAmount) {
        mMinClipTopAmount = minClipTopAmount;
    }

    /**
     * A listener notifying when {@link #getActualHeight} changes.
     */
+1 −6
Original line number Diff line number Diff line
@@ -941,6 +941,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
        addPostCollapseAction(new Runnable() {
            @Override
            public void run() {
                mStackScroller.setDismissAllInProgress(false);
                try {
                    mBarService.onClearAllNotifications(mCurrentUserId);
                } catch (Exception ex) { }
@@ -955,12 +956,6 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
        Runnable animationFinishAction = new Runnable() {
            @Override
            public void run() {
                mStackScroller.post(new Runnable() {
                    @Override
                    public void run() {
                        mStackScroller.setDismissAllInProgress(false);
                    }
                });
                animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE);
            }
        };
+9 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ public class AmbientState {
    private int mTopPadding;
    private boolean mShadeExpanded;
    private float mMaxHeadsUpTranslation;
    private boolean mDismissAllInProgress;

    public int getScrollY() {
        return mScrollY;
@@ -183,4 +184,12 @@ public class AmbientState {
        HeadsUpManager.HeadsUpEntry topEntry = mHeadsUpManager.getTopEntry();
        return topEntry == null ? null : topEntry.entry.row;
    }

    public void setDismissAllInProgress(boolean dismissAllInProgress) {
        mDismissAllInProgress = dismissAllInProgress;
    }

    public boolean isDismissAllInProgress() {
        return mDismissAllInProgress;
    }
}
+20 −2
Original line number Diff line number Diff line
@@ -773,8 +773,7 @@ public class NotificationStackScrollLayout extends ViewGroup
    }

    public boolean canChildBeDismissed(View v) {
        final View veto = v.findViewById(R.id.veto);
        return (veto != null && veto.getVisibility() != View.GONE);
        return StackScrollAlgorithm.canChildBeDismissed(v);
    }

    @Override
@@ -2610,9 +2609,28 @@ public class NotificationStackScrollLayout extends ViewGroup
    public void setDismissAllInProgress(boolean dismissAllInProgress) {
        mDismissAllInProgress = dismissAllInProgress;
        mDismissView.setDismissAllInProgress(dismissAllInProgress);
        mAmbientState.setDismissAllInProgress(dismissAllInProgress);
        if (dismissAllInProgress) {
            disableClipOptimization();
        }
        handleDismissAllClipping();
    }

    private void handleDismissAllClipping() {
        final int count = getChildCount();
        boolean previousChildWillBeDismissed = false;
        for (int i = 0; i < count; i++) {
            ExpandableView child = (ExpandableView) getChildAt(i);
            if (child.getVisibility() == GONE) {
                continue;
            }
            if (mDismissAllInProgress && previousChildWillBeDismissed) {
                child.setMinClipTopAmount(child.getClipTopAmount());
            } else {
                child.setMinClipTopAmount(0);
            }
            previousChildWillBeDismissed = canChildBeDismissed(child);
        }
    }

    private void disableClipOptimization() {
+17 −3
Original line number Diff line number Diff line
@@ -202,6 +202,7 @@ public class StackScrollAlgorithm {

    private void updateClipping(StackScrollState resultState,
            StackScrollAlgorithmState algorithmState, AmbientState ambientState) {
        boolean dismissAllInProgress = ambientState.isDismissAllInProgress();
        float previousNotificationEnd = 0;
        float previousNotificationStart = 0;
        boolean previousNotificationIsSwiped = false;
@@ -237,16 +238,29 @@ public class StackScrollAlgorithm {
            updateChildClippingAndBackground(state, newHeight, clipHeight,
                    newHeight - (previousNotificationStart - newYTranslation));

            if (dismissAllInProgress) {
                state.clipTopAmount = Math.max(child.getMinClipTopAmount(), state.clipTopAmount);
            }

            if (!child.isTransparent()) {
                // Only update the previous values if we are not transparent,
                // otherwise we would clip to a transparent view.
                previousNotificationStart = newYTranslation + state.clipTopAmount * state.scale;
                previousNotificationEnd = newNotificationEnd;
                if ((dismissAllInProgress && canChildBeDismissed(child))) {
                    previousNotificationIsSwiped = true;
                } else {
                    previousNotificationIsSwiped = ambientState.getDraggedViews().contains(child);
                    previousNotificationEnd = newNotificationEnd;
                    previousNotificationStart = newYTranslation + state.clipTopAmount * state.scale;
                }
            }
        }
    }

    public static boolean canChildBeDismissed(View v) {
        final View veto = v.findViewById(R.id.veto);
        return (veto != null && veto.getVisibility() != View.GONE);
    }

    /**
     * Updates the shadow outline and the clipping for a view.
     *