Move ScrollAdapter internal to NSSL. (f3233824) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/ExpandHelper.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -162,8 +162,8 @@ public class ExpandHelper implements Gefingerpoken {
		*
		* @param context application context
		* @param callback the container that holds the items to be manipulated
		* @param small the smallest allowable size for the manuipulated items.
		* @param large the largest allowable size for the manuipulated items.
		* @param small the smallest allowable size for the manipulated items.
		* @param large the largest allowable size for the manipulated items.
		*/
		public ExpandHelper(Context context, Callback callback, int small, int large) {
		mSmallSize = small;

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java

+42 −38

Original line number	Diff line number	Diff line
		@@ -154,8 +154,6 @@ import com.android.systemui.statusbar.phone.NotificationPanelViewController;
		import com.android.systemui.statusbar.phone.ScrimController;
		import com.android.systemui.statusbar.phone.ShadeController;
		import com.android.systemui.statusbar.phone.StatusBar;
		import com.android.systemui.statusbar.policy.ConfigurationController;
		import com.android.systemui.statusbar.policy.ConfigurationController.ConfigurationListener;
		import com.android.systemui.statusbar.policy.HeadsUpUtil;
		import com.android.systemui.statusbar.policy.ScrollAdapter;
		import com.android.systemui.statusbar.policy.ZenModeController;
		@@ -178,7 +176,7 @@ import javax.inject.Named;
		/**
		* A layout which handles a dynamic amount of notifications and presents them in a scrollable stack.
		*/
		public class NotificationStackScrollLayout extends ViewGroup implements ScrollAdapter, Dumpable {
		public class NotificationStackScrollLayout extends ViewGroup implements Dumpable {

		public static final float BACKGROUND_ALPHA_DIMMED = 0.7f;
		private static final String TAG = "StackScroller";
		@@ -555,6 +553,34 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		}
		};

		private final ScrollAdapter mScrollAdapter = new ScrollAdapter() {
		@Override
		public boolean isScrolledToTop() {
		if (ANCHOR_SCROLLING) {
		updateScrollAnchor();
		// TODO: once we're recycling this will need to check the adapter position of the
		// child
		return mScrollAnchorView == getFirstChildNotGone() && mScrollAnchorViewY >= 0;
		} else {
		return mOwnScrollY == 0;
		}
		}

		@Override
		public boolean isScrolledToBottom() {
		if (ANCHOR_SCROLLING) {
		return getMaxPositiveScrollAmount() <= 0;
		} else {
		return mOwnScrollY >= getScrollRange();
		}
		}

		@Override
		public View getHostView() {
		return NotificationStackScrollLayout.this;
		}
		};

		@Inject
		public NotificationStackScrollLayout(
		@Named(VIEW_CONTEXT) Context context,
		@@ -608,7 +634,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		mExpandHelper = new ExpandHelper(getContext(), mExpandHelperCallback,
		minHeight, maxHeight);
		mExpandHelper.setEventSource(this);
		mExpandHelper.setScrollAdapter(this);
		mExpandHelper.setScrollAdapter(mScrollAdapter);
		mSwipeHelper = new NotificationSwipeHelper(SwipeHelper.X, mNotificationCallback,
		getContext(), mMenuEventListener, mFalsingManager);
		mStackScrollAlgorithm = createStackScrollAlgorithm(context);
		@@ -1227,7 +1253,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		float end = start + child.getActualHeight();
		boolean clip = clipStart > start && clipStart < end
		\|\| clipEnd >= start && clipEnd <= end;
		clip &= !(first && isScrolledToTop());
		clip &= !(first && mScrollAdapter.isScrolledToTop());
		child.setDistanceToTopRoundness(clip ? Math.max(start - clipStart, 0)
		: ExpandableView.NO_ROUNDNESS);
		first = false;
		@@ -2220,7 +2246,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		springBack();
		} else {
		float overScrollTop = getCurrentOverScrollAmount(true /* top */);
		if (isScrolledToTop() && mScrollAnchorViewY > 0) {
		if (mScrollAdapter.isScrolledToTop() && mScrollAnchorViewY > 0) {
		notifyOverscrollTopListener(mScrollAnchorViewY,
		isRubberbanded(true /* onTop */));
		} else {
		@@ -2268,7 +2294,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		@ShadeViewRefactor(RefactorComponent.STATE_RESOLVER)
		private void springBack() {
		if (ANCHOR_SCROLLING) {
		boolean overScrolledTop = isScrolledToTop() && mScrollAnchorViewY > 0;
		boolean overScrolledTop = mScrollAdapter.isScrolledToTop() && mScrollAnchorViewY > 0;
		int maxPositiveScrollAmount = getMaxPositiveScrollAmount();
		boolean overscrolledBottom = maxPositiveScrollAmount < 0;
		if (overScrolledTop \|\| overscrolledBottom) {
		@@ -2545,8 +2571,8 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd

		@ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
		private void updateForwardAndBackwardScrollability() {
		boolean forwardScrollable = mScrollable && !isScrolledToBottom();
		boolean backwardsScrollable = mScrollable && !isScrolledToTop();
		boolean forwardScrollable = mScrollable && !mScrollAdapter.isScrolledToBottom();
		boolean backwardsScrollable = mScrollable && !mScrollAdapter.isScrolledToTop();
		boolean changed = forwardScrollable != mForwardScrollable
		\|\| backwardsScrollable != mBackwardScrollable;
		mForwardScrollable = forwardScrollable;
		@@ -2830,7 +2856,8 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		mLastScrollerY = 0;
		// x velocity is set to 1 to avoid overscroller bug
		mScroller.fling(0, 0, 1, velocityY, 0, 0, minY, maxY, 0,
		mExpandedInThisMotion && !isScrolledToTop() ? 0 : Integer.MAX_VALUE / 2);
		mExpandedInThisMotion
		&& !mScrollAdapter.isScrolledToTop() ? 0 : Integer.MAX_VALUE / 2);
		}
		}

		@@ -3343,7 +3370,8 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		}
		if (ANCHOR_SCROLLING) {
		// TODO: once we're recycling this will need to check the adapter position of the child
		if (child == getFirstChildNotGone() && (isScrolledToTop() \|\| !mIsExpanded)) {
		if (child == getFirstChildNotGone()
		&& (mScrollAdapter.isScrolledToTop() \|\| !mIsExpanded)) {
		// New child was added at the top while we're scrolled to the top;
		// make it the new anchor view so that we stay at the top.
		mScrollAnchorView = child;
		@@ -4227,7 +4255,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd

		case MotionEvent.ACTION_DOWN: {
		final int y = (int) ev.getY();
		mScrolledToTopOnFirstDown = isScrolledToTop();
		mScrolledToTopOnFirstDown = mScrollAdapter.isScrolledToTop();
		final ExpandableView childAtTouchPos = getChildAtPosition(
		ev.getX(), y, false /* requireMinHeight /, false / ignoreDecors */);
		if (childAtTouchPos == null) {
		@@ -4411,32 +4439,8 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
		}
		}

		@Override
		@ShadeViewRefactor(RefactorComponent.COORDINATOR)
		public boolean isScrolledToTop() {
		if (ANCHOR_SCROLLING) {
		updateScrollAnchor();
		// TODO: once we're recycling this will need to check the adapter position of the child
		return mScrollAnchorView == getFirstChildNotGone() && mScrollAnchorViewY >= 0;
		} else {
		return mOwnScrollY == 0;
		}
		}

		@Override
		@ShadeViewRefactor(RefactorComponent.COORDINATOR)
		public boolean isScrolledToBottom() {
		if (ANCHOR_SCROLLING) {
		return getMaxPositiveScrollAmount() <= 0;
		} else {
		return mOwnScrollY >= getScrollRange();
		}
		}

		@Override
		@ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
		public View getHostView() {
		return this;
		boolean isScrolledToBottom() {
		return mScrollAdapter.isScrolledToBottom();
		}

		@ShadeViewRefactor(RefactorComponent.COORDINATOR)