Merge "Increase vertical overlap between notification shelf and lock icon"... (8113007e) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/values/dimens.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -427,7 +427,7 @@

		<dimen name="split_shade_notifications_scrim_margin_bottom">0dp</dimen>

		<dimen name="shelf_and_lock_icon_overlap">5dp</dimen>
		<dimen name="shelf_and_lock_icon_overlap">@dimen/notification_shelf_height</dimen>

		<dimen name="notification_panel_margin_horizontal">0dp</dimen>

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackSizeCalculator.kt

+88 −20

Original line number	Diff line number	Diff line
		@@ -39,7 +39,11 @@ private const val TAG = "NotifStackSizeCalc"
		private val DEBUG = Compile.IS_DEBUG && Log.isLoggable(TAG, Log.DEBUG)
		private val SPEW = Compile.IS_DEBUG && Log.isLoggable(TAG, Log.VERBOSE)

		/** Calculates number of notifications to display and the height of the notification stack. */
		/**
		* Calculates number of notifications to display and the height of the notification stack.
		* "Notifications" refers to any ExpandableView that we show on lockscreen, which can include the
		* media player.
		*/
		@SysUISingleton
		class NotificationStackSizeCalculator
		@Inject
		@@ -65,21 +69,60 @@ constructor(
		}

		/**
		* Given the [totalAvailableSpace] constraint, calculates how many notification to show.
		*
		* This number is only valid in keyguard.
		* Returns whether notifications and (shelf if visible) can fit in total space available.
		* [spaceForShelf] is extra vertical space allowed for the shelf to overlap the lock icon.
		*/
		private fun canStackFitInSpace(
		stackHeight: StackHeight,
		spaceForNotifications: Float,
		spaceForShelf: Float,
		): Boolean {

		val (notificationsHeight, shelfHeightWithSpaceBefore) = stackHeight
		var canFit: Boolean

		if (shelfHeightWithSpaceBefore == 0f) {
		canFit = notificationsHeight <= spaceForNotifications
		log {
		"canStackFitInSpace[$canFit] = notificationsHeight[$notificationsHeight]" +
		" <= spaceForNotifications[$spaceForNotifications]"
		}
		} else {
		canFit =
		(notificationsHeight + shelfHeightWithSpaceBefore) <=
		(spaceForNotifications + spaceForShelf)
		log {
		"canStackFitInSpace[$canFit] = (notificationsHeight[$notificationsHeight]" +
		" + shelfHeightWithSpaceBefore[$shelfHeightWithSpaceBefore])" +
		" <= (spaceForNotifications[$spaceForNotifications] " +
		" + spaceForShelf[$spaceForShelf])"
		}
		}
		return canFit
		}

		/**
		* Given the [spaceForNotifications] and [spaceForShelf] constraints, calculate how many
		* notifications to show. This number is only valid in keyguard.
		*
		* @param totalAvailableSpace space for notifications. This includes the space for the shelf.
		*/
		fun computeMaxKeyguardNotifications(
		stack: NotificationStackScrollLayout,
		totalAvailableSpace: Float,
		spaceForNotifications: Float,
		spaceForShelf: Float,
		shelfIntrinsicHeight: Float
		): Int {
		log { "\n" }
		val stackHeightSequence = computeHeightPerNotificationLimit(stack, shelfIntrinsicHeight)

		var maxNotifications =
		stackHeightSequence.lastIndexWhile { stackHeight -> stackHeight <= totalAvailableSpace }
		stackHeightSequence.lastIndexWhile { heightResult ->
		canStackFitInSpace(
		heightResult,
		spaceForNotifications = spaceForNotifications,
		spaceForShelf = spaceForShelf)
		}

		if (onLockscreen()) {
		maxNotifications = min(maxKeyguardNotifications, maxNotifications)
		@@ -90,7 +133,8 @@ constructor(
		log {
		val sequence = if (SPEW) " stackHeightSequence=${stackHeightSequence.toList()}" else ""
		"computeMaxKeyguardNotifications(" +
		"availableSpace=$totalAvailableSpace" +
		" spaceForNotifications=$spaceForNotifications" +
		" spaceForShelf=$spaceForShelf" +
		" shelfHeight=$shelfIntrinsicHeight) -> $maxNotifications$sequence"
		}
		return maxNotifications
		@@ -112,33 +156,51 @@ constructor(
		maxNotifications: Int,
		shelfIntrinsicHeight: Float
		): Float {
		log { "\n" }
		val heightPerMaxNotifications =
		computeHeightPerNotificationLimit(stack, shelfIntrinsicHeight)
		val height =

		val (notificationsHeight, shelfHeightWithSpaceBefore) =
		heightPerMaxNotifications.elementAtOrElse(maxNotifications) {
		heightPerMaxNotifications.last() // Height with all notifications visible.
		}
		log { "computeHeight(maxNotifications=$maxNotifications) -> $height" }
		return height
		log {
		"computeHeight(maxNotifications=$maxNotifications," +
		"shelfIntrinsicHeight=$shelfIntrinsicHeight) -> " +
		"${notificationsHeight + shelfHeightWithSpaceBefore}" +
		" = ($notificationsHeight + $shelfHeightWithSpaceBefore)"
		}
		return notificationsHeight + shelfHeightWithSpaceBefore
		}

		/** The ith result in the sequence is the height with ith max notifications. */
		private data class StackHeight(
		// Float height with ith max notifications (not including shelf)
		val notificationsHeight: Float,

		// Float height of shelf (0 if shelf is not showing), and space before the shelf that
		// changes during the lockscreen <=> full shade transition.
		val shelfHeightWithSpaceBefore: Float
		)

		private fun computeHeightPerNotificationLimit(
		stack: NotificationStackScrollLayout,
		shelfIntrinsicHeight: Float
		): Sequence<Float> = sequence {
		shelfHeight: Float
		): Sequence<StackHeight> = sequence {
		log { "computeHeightPerNotificationLimit" }

		val children = stack.showableChildren().toList()
		var height = 0f
		var notifications = 0f
		var previous: ExpandableView? = null
		val onLockscreen = onLockscreen()

		yield(dividerHeight + shelfIntrinsicHeight) // Only shelf.
		// Only shelf. This should never happen, since we allow 1 view minimum (EmptyViewState).
		yield(StackHeight(notificationsHeight = 0f, shelfHeightWithSpaceBefore = shelfHeight))

		children.forEachIndexed { i, currentNotification ->
		height += spaceNeeded(currentNotification, i, previous, stack, onLockscreen)
		notifications += spaceNeeded(currentNotification, i, previous, stack, onLockscreen)
		previous = currentNotification

		val shelfHeight =
		val shelfWithSpaceBefore =
		if (i == children.lastIndex) {
		0f // No shelf needed.
		} else {
		@@ -149,10 +211,16 @@ constructor(
		previous = currentNotification,
		current = children[firstViewInShelfIndex],
		currentIndex = firstViewInShelfIndex)
		spaceBeforeShelf + shelfIntrinsicHeight
		spaceBeforeShelf + shelfHeight
		}

		yield(height + shelfHeight)
		log {
		"i=$i notificationsHeight=$notifications " +
		"shelfHeightWithSpaceBefore=$shelfWithSpaceBefore"
		}
		yield(
		StackHeight(
		notificationsHeight = notifications,
		shelfHeightWithSpaceBefore = shelfWithSpaceBefore))
		}
		}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java

+59 −36

Original line number	Diff line number	Diff line
		@@ -1523,50 +1523,77 @@ public class NotificationPanelViewController extends PanelViewController {
		return (mQs != null ? mQs.getHeader().getHeight() : 0) + mQsPeekHeight;
		}

		/**
		* @return Space available to show notifications on lockscreen.
		*/
		@VisibleForTesting
		float getSpaceForLockscreenNotifications() {
		float staticTopPadding = mClockPositionAlgorithm.getLockscreenMinStackScrollerPadding()
		// getMinStackScrollerPadding is from the top of the screen,
		// but we need it from the top of the NSSL.
		- mNotificationStackScrollLayoutController.getTop();

		// Space between bottom of notifications and top of lock icon or udfps background.
		float lockIconPadding = mLockIconViewController.getTop();
		if (mLockIconViewController.getTop() != 0) {
		/** Returns space between top of lock icon and bottom of NotificationStackScrollLayout. */
		private float getLockIconPadding() {
		float lockIconPadding = 0f;
		if (mLockIconViewController.getTop() != 0f) {
		lockIconPadding = mNotificationStackScrollLayoutController.getBottom()
		- mLockIconViewController.getTop()
		- mShelfAndLockIconOverlap;
		- mLockIconViewController.getTop();
		}
		return lockIconPadding;
		}

		/** Returns space available to show notifications on lockscreen. */
		@VisibleForTesting
		float getVerticalSpaceForLockscreenNotifications() {
		final float lockIconPadding = getLockIconPadding();

		float bottomPadding = Math.max(lockIconPadding,
		Math.max(mIndicationBottomPadding, mAmbientIndicationBottomPadding));

		mKeyguardNotificationBottomPadding = bottomPadding;

		float staticTopPadding = mClockPositionAlgorithm.getLockscreenMinStackScrollerPadding()
		// getMinStackScrollerPadding is from the top of the screen,
		// but we need it from the top of the NSSL.
		- mNotificationStackScrollLayoutController.getTop();
		mKeyguardNotificationTopPadding = staticTopPadding;

		// To debug the available space, enable debug lines in this class. If you change how the
		// available space is calculated, please also update those lines.
		float availableSpace =
		final float verticalSpace =
		mNotificationStackScrollLayoutController.getHeight()
		- staticTopPadding
		- bottomPadding;

		if (SPEW_LOGCAT) {
		Log.d(TAG, "getSpaceForLockscreenNotifications()"
		+ " availableSpace=" + availableSpace
		+ " NSSL.height=" + mNotificationStackScrollLayoutController.getHeight()
		+ " NSSL.top=" + mNotificationStackScrollLayoutController.getTop()
		+ " staticTopPadding=" + staticTopPadding
		+ " bottomPadding=" + bottomPadding
		+ " lockIconPadding=" + lockIconPadding
		+ " mIndicationBottomPadding=" + mIndicationBottomPadding
		+ " mAmbientIndicationBottomPadding=" + mAmbientIndicationBottomPadding
		Log.i(TAG, "\n");
		Log.i(TAG, "staticTopPadding[" + staticTopPadding
		+ "] = Clock.padding["
		+ mClockPositionAlgorithm.getLockscreenMinStackScrollerPadding()
		+ "] - NSSLC.top[" + mNotificationStackScrollLayoutController.getTop()
		+ "]"
		);
		Log.i(TAG, "bottomPadding[" + bottomPadding
		+ "] = max(ambientIndicationBottomPadding[" + mAmbientIndicationBottomPadding
		+ "], mIndicationBottomPadding[" + mIndicationBottomPadding
		+ "], lockIconPadding[" + lockIconPadding
		+ "])"
		);
		Log.i(TAG, "verticalSpaceForNotifications[" + verticalSpace
		+ "] = NSSL.height[" + mNotificationStackScrollLayoutController.getHeight()
		+ "] - staticTopPadding[" + staticTopPadding
		+ "] - bottomPadding[" + bottomPadding
		+ "]"
		);
		}
		return availableSpace;
		return verticalSpace;
		}

		/** Returns extra space available to show the shelf on lockscreen */
		@VisibleForTesting
		float getVerticalSpaceForLockscreenShelf() {
		final float lockIconPadding = getLockIconPadding();

		final float noShelfOverlapBottomPadding =
		Math.max(mIndicationBottomPadding, mAmbientIndicationBottomPadding);

		final float extraSpaceForShelf = lockIconPadding - noShelfOverlapBottomPadding;

		if (extraSpaceForShelf > 0f) {
		return Math.min(mNotificationShelfController.getIntrinsicHeight(),
		extraSpaceForShelf);
		}
		return 0f;
		}

		/**
		@@ -1582,16 +1609,12 @@ public class NotificationPanelViewController extends PanelViewController {
		}
		return mMaxAllowedKeyguardNotifications;
		}

		final float shelfIntrinsicHeight =
		mNotificationShelfController.getVisibility() == View.GONE
		? 0
		: mNotificationShelfController.getIntrinsicHeight();

		return mNotificationStackSizeCalculator.computeMaxKeyguardNotifications(
		mNotificationStackScrollLayoutController.getView(),
		getSpaceForLockscreenNotifications(),
		shelfIntrinsicHeight);
		getVerticalSpaceForLockscreenNotifications(),
		getVerticalSpaceForLockscreenShelf(),
		mNotificationShelfController.getIntrinsicHeight()
		);
		}

		private void updateClock() {
		@@ -3818,7 +3841,7 @@ public class NotificationPanelViewController extends PanelViewController {
		public void setAmbientIndicationTop(int ambientIndicationTop, boolean ambientTextVisible) {
		int ambientIndicationBottomPadding = 0;
		if (ambientTextVisible) {
		int stackBottom = mNotificationStackScrollLayoutController.getView().getBottom();
		int stackBottom = mNotificationStackScrollLayoutController.getBottom();
		ambientIndicationBottomPadding = stackBottom - ambientIndicationTop;
		}
		if (mAmbientIndicationBottomPadding != ambientIndicationBottomPadding) {

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationStackSizeCalculatorTest.kt

+58 −30

Original line number	Diff line number	Diff line
		@@ -46,7 +46,8 @@ import org.mockito.MockitoAnnotations
		class NotificationStackSizeCalculatorTest : SysuiTestCase() {

		@Mock private lateinit var sysuiStatusBarStateController: SysuiStatusBarStateController
		@Mock private lateinit var lockscreenShadeTransitionController: LockscreenShadeTransitionController
		@Mock
		private lateinit var lockscreenShadeTransitionController: LockscreenShadeTransitionController
		@Mock private lateinit var stackLayout: NotificationStackScrollLayout

		private val testableResources = mContext.orCreateTestableResources
		@@ -74,7 +75,8 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		val rows = listOf(createMockRow(height = rowHeight))

		val maxNotifications =
		computeMaxKeyguardNotifications(rows, availableSpace = 0f, shelfHeight = 0f)
		computeMaxKeyguardNotifications(
		rows, spaceForNotifications = 0f, spaceForShelf = 0f, shelfHeight = 0f)

		assertThat(maxNotifications).isEqualTo(0)
		}
		@@ -84,7 +86,12 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		val numberOfRows = 30
		val rows = createLockscreenRows(numberOfRows)

		val maxNotifications = computeMaxKeyguardNotifications(rows, Float.MAX_VALUE)
		val maxNotifications =
		computeMaxKeyguardNotifications(
		rows,
		spaceForNotifications = Float.MAX_VALUE,
		spaceForShelf = Float.MAX_VALUE,
		shelfHeight)

		assertThat(maxNotifications).isEqualTo(numberOfRows)
		}
		@@ -93,11 +100,12 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		fun computeMaxKeyguardNotifications_spaceForOneAndShelf_returnsOne() {
		setGapHeight(gapHeight)
		val shelfHeight = rowHeight / 2 // Shelf absence won't leave room for another row.
		val availableSpace =
		listOf(rowHeight + dividerHeight, gapHeight + dividerHeight + shelfHeight).sum()
		val spaceForNotifications = rowHeight + dividerHeight
		val spaceForShelf = gapHeight + dividerHeight + shelfHeight
		val rows = listOf(createMockRow(rowHeight), createMockRow(rowHeight))

		val maxNotifications = computeMaxKeyguardNotifications(rows, availableSpace, shelfHeight)
		val maxNotifications =
		computeMaxKeyguardNotifications(rows, spaceForNotifications, spaceForShelf, shelfHeight)

		assertThat(maxNotifications).isEqualTo(1)
		}
		@@ -106,16 +114,19 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		fun computeMaxKeyguardNotifications_spaceForTwo_returnsTwo() {
		setGapHeight(gapHeight)
		val shelfHeight = shelfHeight + dividerHeight
		val availableSpace =
		val spaceForNotifications =
		listOf(
		rowHeight + dividerHeight,
		gapHeight + rowHeight + dividerHeight,
		gapHeight + dividerHeight + shelfHeight)
		)
		.sum()
		val spaceForShelf = gapHeight + dividerHeight + shelfHeight
		val rows =
		listOf(createMockRow(rowHeight), createMockRow(rowHeight), createMockRow(rowHeight))

		val maxNotifications = computeMaxKeyguardNotifications(rows, availableSpace, shelfHeight)
		val maxNotifications =
		computeMaxKeyguardNotifications(
		rows, spaceForNotifications + 1, spaceForShelf, shelfHeight)

		assertThat(maxNotifications).isEqualTo(2)
		}
		@@ -124,19 +135,25 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		fun computeHeight_gapBeforeShelf_returnsSpaceUsed() {
		// Each row in separate section.
		setGapHeight(gapHeight)
		val spaceUsed =
		listOf(rowHeight,

		val spaceForNotifications =
		listOf(
		rowHeight,
		dividerHeight + gapHeight + rowHeight,
		dividerHeight + gapHeight + shelfHeight)
		)
		.sum()
		val availableSpace = spaceUsed + 1;

		val spaceForShelf = dividerHeight + gapHeight + shelfHeight
		val spaceUsed = spaceForNotifications + spaceForShelf
		val rows =
		listOf(createMockRow(rowHeight), createMockRow(rowHeight), createMockRow(rowHeight))

		val maxNotifications = computeMaxKeyguardNotifications(rows, availableSpace, shelfHeight)
		val maxNotifications =
		computeMaxKeyguardNotifications(rows, spaceForNotifications, spaceForShelf, shelfHeight)
		assertThat(maxNotifications).isEqualTo(2)

		val height = sizeCalculator.computeHeight(stackLayout, maxNotifications, this.shelfHeight)
		val height =
		sizeCalculator.computeHeight(stackLayout, maxNotifications, this.shelfHeight)
		assertThat(height).isEqualTo(spaceUsed)
		}

		@@ -145,19 +162,19 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		// Both rows are in the same section.
		setGapHeight(0f)

		val rowHeight = rowHeight
		val shelfHeight = shelfHeight
		val spaceUsed =
		listOf(rowHeight,
		dividerHeight + shelfHeight)
		.sum()
		val availableSpace = spaceUsed + 1
		val spaceForNotifications = rowHeight
		val spaceForShelf = dividerHeight + shelfHeight
		val spaceUsed = spaceForNotifications + spaceForShelf
		val rows = listOf(createMockRow(rowHeight), createMockRow(rowHeight))

		val maxNotifications = computeMaxKeyguardNotifications(rows, availableSpace, shelfHeight)
		// test that we only use space required
		val maxNotifications =
		computeMaxKeyguardNotifications(
		rows, spaceForNotifications + 1, spaceForShelf, shelfHeight)
		assertThat(maxNotifications).isEqualTo(1)

		val height = sizeCalculator.computeHeight(stackLayout, maxNotifications, this.shelfHeight)
		val height =
		sizeCalculator.computeHeight(stackLayout, maxNotifications, this.shelfHeight)
		assertThat(height).isEqualTo(spaceUsed)
		}

		@@ -191,8 +208,13 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		whenever(expandableView.getMinHeight(any())).thenReturn(5)
		whenever(expandableView.intrinsicHeight).thenReturn(10)

		val space = sizeCalculator.spaceNeeded(expandableView, visibleIndex = 0,
		previousView = null, stack = stackLayout, onLockscreen = true)
		val space =
		sizeCalculator.spaceNeeded(
		expandableView,
		visibleIndex = 0,
		previousView = null,
		stack = stackLayout,
		onLockscreen = true)
		assertThat(space).isEqualTo(5)
		}

		@@ -205,19 +227,25 @@ class NotificationStackSizeCalculatorTest : SysuiTestCase() {
		whenever(expandableView.getMinHeight(any())).thenReturn(5)
		whenever(expandableView.intrinsicHeight).thenReturn(10)

		val space = sizeCalculator.spaceNeeded(expandableView, visibleIndex = 0,
		previousView = null, stack = stackLayout, onLockscreen = false)
		val space =
		sizeCalculator.spaceNeeded(
		expandableView,
		visibleIndex = 0,
		previousView = null,
		stack = stackLayout,
		onLockscreen = false)
		assertThat(space).isEqualTo(10)
		}

		private fun computeMaxKeyguardNotifications(
		rows: List<ExpandableView>,
		availableSpace: Float,
		spaceForNotifications: Float,
		spaceForShelf: Float,
		shelfHeight: Float = this.shelfHeight
		): Int {
		setupChildren(rows)
		return sizeCalculator.computeMaxKeyguardNotifications(
		stackLayout, availableSpace, shelfHeight)
		stackLayout, spaceForNotifications, spaceForShelf, shelfHeight)
		}

		private fun setupChildren(children: List<ExpandableView>) {

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NotificationPanelViewControllerTest.java

+93 −16

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