Merge "Fade notifications with background scrim for shade expansion" into sc-dev (e7db82a8) · Commits · e / os / android_frameworks_base

packages/SystemUI/animation/src/com/android/systemui/animation/Interpolators.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -70,4 +70,17 @@ public class Interpolators {
		*/
		public static final Interpolator TOUCH_RESPONSE_REVERSE =
		new PathInterpolator(0.9f, 0f, 0.7f, 1f);

		/**
		* Interpolate alpha for notifications background scrim during shade expansion.
		* @param fraction Shade expansion fraction
		*/
		public static float getNotificationScrimAlpha(float fraction) {
		fraction = fraction * 1.2f - 0.2f;
		if (fraction <= 0) {
		return 0;
		} else {
		return (float) (1f - 0.5f * (1f - Math.cos(3.14159f * Math.pow(1f - fraction, 2f))));
		}
		}
		}

+8 −1

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import android.view.WindowInsets;
		import android.view.accessibility.AccessibilityNodeInfo;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.systemui.animation.Interpolators;
		import com.android.systemui.R;
		import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;
		import com.android.systemui.statusbar.notification.NotificationUtils;
		@@ -176,7 +177,13 @@ public class NotificationShelf extends ActivatableNotificationView implements
		viewState.height = getIntrinsicHeight();
		viewState.zTranslation = ambientState.getBaseZHeight();
		viewState.clipTopAmount = 0;

		if (ambientState.isExpansionChanging() && !ambientState.isOnKeyguard()) {
		viewState.alpha = Interpolators.getNotificationScrimAlpha(
		ambientState.getExpansionFraction());
		} else {
		viewState.alpha = 1f - ambientState.getHideAmount();
		}
		viewState.belowSpeedBump = mHostLayoutController.getSpeedBumpIndex() == 0;
		viewState.hideSensitive = false;
		viewState.xTranslation = getTranslationX();

+8 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import android.util.MathUtils;
		import android.view.View;
		import android.view.ViewGroup;

		import com.android.systemui.animation.Interpolators;
		import com.android.systemui.R;
		import com.android.systemui.statusbar.NotificationShelf;
		import com.android.systemui.statusbar.notification.dagger.SilentHeader;
		@@ -374,7 +375,13 @@ public class StackScrollAlgorithm {
		ExpandableView view = algorithmState.visibleChildren.get(i);
		ExpandableViewState viewState = view.getViewState();
		viewState.location = ExpandableViewState.LOCATION_UNKNOWN;

		if (ambientState.isExpansionChanging() && !ambientState.isOnKeyguard()) {
		viewState.alpha = Interpolators.getNotificationScrimAlpha(
		ambientState.getExpansionFraction());
		} else {
		viewState.alpha = 1f - ambientState.getHideAmount();
		}

		if (view.mustStayOnScreen() && viewState.yTranslation >= 0) {
		// Even if we're not scrolled away we're in view and we're also not in the

+2 −9

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ import com.android.internal.util.function.TriConsumer;
		import com.android.keyguard.KeyguardUpdateMonitor;
		import com.android.keyguard.KeyguardUpdateMonitorCallback;
		import com.android.settingslib.Utils;
		import com.android.systemui.animation.Interpolators;
		import com.android.systemui.DejankUtils;
		import com.android.systemui.Dumpable;
		import com.android.systemui.R;
		@@ -810,15 +811,7 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, Dump
		}

		private float getInterpolatedFraction() {
		float frac = mPanelExpansion;
		// let's start this 20% of the way down the screen
		frac = frac * 1.2f - 0.2f;
		if (frac <= 0) {
		return 0;
		} else {
		// woo, special effects
		return (float) (1f - 0.5f * (1f - Math.cos(3.14159f * Math.pow(1f - frac, 2f))));
		}
		return Interpolators.getNotificationScrimAlpha(mPanelExpansion);
		}

		private void setScrimAlpha(ScrimView scrim, float alpha) {