Merge "Factor out roundness updates on scroll" into sc-dev (7f626aed) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/NotificationShelf.java

+53 −44

Original line number	Diff line number	Diff line
		@@ -255,7 +255,6 @@ public class NotificationShelf extends ActivatableNotificationView implements
		int backgroundTop = 0;
		int clipTopAmount = 0;
		float firstElementRoundness = 0.0f;
		ActivatableNotificationView previousAnv = null;

		for (int i = 0; i < mHostLayoutController.getChildCount(); i++) {
		ExpandableView child = mHostLayoutController.getChildAt(i);
		@@ -327,52 +326,10 @@ public class NotificationShelf extends ActivatableNotificationView implements
		notGoneIndex++;
		}

		final float viewEnd = viewStart + child.getActualHeight();
		final float cornerAnimationDistance = mCornerAnimationDistance
		* mAmbientState.getExpansionFraction();
		final float cornerAnimationTop = shelfStart - cornerAnimationDistance;

		if (child instanceof ActivatableNotificationView) {
		ActivatableNotificationView anv =
		(ActivatableNotificationView) child;

		final boolean isUnlockedHeadsUp = !mAmbientState.isOnKeyguard()
		&& !mAmbientState.isShadeExpanded()
		&& child instanceof ExpandableView
		&& ((ExpandableNotificationRow) child).isHeadsUp();
		if (viewStart < shelfStart
		&& !mHostLayoutController.isViewAffectedBySwipe(anv)
		&& !isUnlockedHeadsUp
		&& !mAmbientState.isPulsing()
		&& !mAmbientState.isDozing()) {

		if (viewEnd >= cornerAnimationTop) {
		// Round bottom corners within animation bounds
		final float changeFraction = MathUtils.saturate(
		(viewEnd - cornerAnimationTop) / cornerAnimationDistance);
		final float roundness = anv.isLastInSection() ? 1f : changeFraction * 1f;
		anv.setBottomRoundness(roundness, false);

		} else if (viewEnd < cornerAnimationTop) {
		// Fast scroll skips frames and leaves corners with unfinished rounding.
		// Reset top and bottom corners outside of animation bounds.
		anv.setBottomRoundness(anv.isLastInSection() ? 1f : 0f, false);
		}

		if (viewStart >= cornerAnimationTop) {
		// Round top corners within animation bounds
		final float changeFraction = MathUtils.saturate(
		(viewStart - cornerAnimationTop) / cornerAnimationDistance);
		final float roundness = anv.isFirstInSection() ? 1f : changeFraction * 1f;
		anv.setTopRoundness(roundness, false);

		} else if (viewStart < cornerAnimationTop) {
		// Fast scroll skips frames and leaves corners with unfinished rounding.
		// Reset top and bottom corners outside of animation bounds.
		anv.setTopRoundness(anv.isFirstInSection() ? 1f : 0f, false);
		}
		}
		previousAnv = anv;
		updateCornerRoundnessOnScroll(anv, viewStart, shelfStart);
		}
		}

		@@ -408,6 +365,58 @@ public class NotificationShelf extends ActivatableNotificationView implements
		}
		}

		private void updateCornerRoundnessOnScroll(ActivatableNotificationView anv, float viewStart,
		float shelfStart) {

		final boolean isUnlockedHeadsUp = !mAmbientState.isOnKeyguard()
		&& !mAmbientState.isShadeExpanded()
		&& anv instanceof ExpandableNotificationRow
		&& ((ExpandableNotificationRow) anv).isHeadsUp();

		final boolean shouldUpdateCornerRoundness = viewStart < shelfStart
		&& !mHostLayoutController.isViewAffectedBySwipe(anv)
		&& !isUnlockedHeadsUp
		&& !mAmbientState.isPulsing()
		&& !mAmbientState.isDozing();

		if (!shouldUpdateCornerRoundness) {
		return;
		}

		final float viewEnd = viewStart + anv.getActualHeight();
		final float cornerAnimationDistance = mCornerAnimationDistance
		* mAmbientState.getExpansionFraction();
		final float cornerAnimationTop = shelfStart - cornerAnimationDistance;

		if (viewEnd >= cornerAnimationTop) {
		// Round bottom corners within animation bounds
		final float changeFraction = MathUtils.saturate(
		(viewEnd - cornerAnimationTop) / cornerAnimationDistance);
		anv.setBottomRoundness(anv.isLastInSection() ? 1f : changeFraction,
		false /* animate */);

		} else if (viewEnd < cornerAnimationTop) {
		// Fast scroll skips frames and leaves corners with unfinished rounding.
		// Reset top and bottom corners outside of animation bounds.
		anv.setBottomRoundness(anv.isLastInSection() ? 1f : 0f,
		false /* animate */);
		}

		if (viewStart >= cornerAnimationTop) {
		// Round top corners within animation bounds
		final float changeFraction = MathUtils.saturate(
		(viewStart - cornerAnimationTop) / cornerAnimationDistance);
		anv.setTopRoundness(anv.isFirstInSection() ? 1f : changeFraction,
		false /* animate */);

		} else if (viewStart < cornerAnimationTop) {
		// Fast scroll skips frames and leaves corners with unfinished rounding.
		// Reset top and bottom corners outside of animation bounds.
		anv.setTopRoundness(anv.isFirstInSection() ? 1f : 0f,
		false /* animate */);
		}
		}

		/**
		* Clips transient views to the top of the shelf - Transient views are only used for
		* disappearing views/animations and need to be clipped correctly by the shelf to ensure they