Merge "Shelf alignment and animation fixes" into pi-dev

am: 258c743697

Change-Id: Ic39ca931edf9c0da6925e9572b4660e08ca5f180

packages/SystemUI/res/values/dimens.xml

@@ -136,6 +136,10 @@
          views where the distance can't be measured -->
     <dimen name="notification_icon_appear_padding">15dp</dimen>
 
+    <!-- Vertical translation of the shelf during animation that happens after the
+    notification panel collapses -->
+    <dimen name="shelf_appear_translation">9dp</dimen>
+
     <!-- The amount the content shifts upwards when transforming into the icon -->
     <dimen name="notification_icon_transform_content_shift">32dp</dimen>
 

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

@@ -17,7 +17,6 @@
 package com.android.systemui.statusbar;
 
 import static com.android.systemui.statusbar.phone.NotificationIconContainer.IconState.NO_VALUE;
-import static com.android.systemui.statusbar.phone.NotificationIconContainer.OVERFLOW_EARLY_AMOUNT;
 
 import android.content.Context;
 import android.content.res.Configuration;
@@ -26,6 +25,7 @@ import android.graphics.Rect;
 import android.os.SystemProperties;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.util.MathUtils;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
@@ -58,6 +58,8 @@ public class NotificationShelf extends ActivatableNotificationView implements
             = SystemProperties.getBoolean("debug.icon_scroll_animations", true);
     private static final int TAG_CONTINUOUS_CLIPPING = R.id.continuous_clipping_tag;
     private static final String TAG = "NotificationShelf";
+    private static final long SHELF_IN_TRANSLATION_DURATION = 220;
+
     private ViewInvertHelper mViewInvertHelper;
     private boolean mDark;
     private NotificationIconContainer mShelfIcons;
@@ -65,6 +67,7 @@ public class NotificationShelf extends ActivatableNotificationView implements
     private int[] mTmp = new int[2];
     private boolean mHideBackground;
     private int mIconAppearTopPadding;
+    private int mShelfAppearTranslation;
     private int mStatusBarHeight;
     private int mStatusBarPaddingStart;
     private AmbientState mAmbientState;
@@ -120,6 +123,7 @@ public class NotificationShelf extends ActivatableNotificationView implements
         mStatusBarHeight = res.getDimensionPixelOffset(R.dimen.status_bar_height);
         mStatusBarPaddingStart = res.getDimensionPixelOffset(R.dimen.status_bar_padding_start);
         mPaddingBetweenElements = res.getDimensionPixelSize(R.dimen.notification_divider_height);
+        mShelfAppearTranslation = res.getDimensionPixelSize(R.dimen.shelf_appear_translation);
 
         ViewGroup.LayoutParams layoutParams = getLayoutParams();
         layoutParams.height = res.getDimensionPixelOffset(R.dimen.notification_shelf_height);
@@ -151,6 +155,18 @@ public class NotificationShelf extends ActivatableNotificationView implements
         updateInteractiveness();
     }
 
+    public void fadeInTranslating() {
+        float translation = mShelfIcons.getTranslationY();
+        mShelfIcons.setTranslationY(translation + mShelfAppearTranslation);
+        mShelfIcons.setAlpha(0);
+        mShelfIcons.animate()
+                .alpha(1)
+                .setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN)
+                .translationY(translation)
+                .setDuration(SHELF_IN_TRANSLATION_DURATION)
+                .start();
+    }
+
     @Override
     protected View getContentView() {
         return mShelfIcons;
@@ -175,12 +191,14 @@ public class NotificationShelf extends ActivatableNotificationView implements
             float viewEnd = lastViewState.yTranslation + lastViewState.height;
             mShelfState.copyFrom(lastViewState);
             mShelfState.height = getIntrinsicHeight();
-            mShelfState.yTranslation = Math.max(Math.min(viewEnd, maxShelfEnd) - mShelfState.height,
+
+            float awakenTranslation = Math.max(Math.min(viewEnd, maxShelfEnd) - mShelfState.height,
                     getFullyClosedTranslation());
+            float darkTranslation = mAmbientState.getDarkTopPadding();
+            float yRatio = mAmbientState.hasPulsingNotifications() ?
+                    0 : mAmbientState.getDarkAmount();
+            mShelfState.yTranslation = MathUtils.lerp(awakenTranslation, darkTranslation, yRatio);
             mShelfState.zTranslation = ambientState.getBaseZHeight();
-            if (mAmbientState.isDark() && !mAmbientState.hasPulsingNotifications()) {
-                mShelfState.yTranslation = mAmbientState.getDarkTopPadding();
-            }
             float openedAmount = (mShelfState.yTranslation - getFullyClosedTranslation())
                     / (getIntrinsicHeight() * 2);
             openedAmount = Math.min(1.0f, openedAmount);
@@ -555,7 +573,9 @@ public class NotificationShelf extends ActivatableNotificationView implements
             iconState.translateContent = false;
         }
         float transitionAmount;
-        if (isLastChild || !USE_ANIMATIONS_WHEN_OPENING || iconState.useFullTransitionAmount
+        if (mAmbientState.getDarkAmount() > 0 && !row.isInShelf()) {
+            transitionAmount = mAmbientState.isFullyDark() ? 1 : 0;
+        } else if (isLastChild || !USE_ANIMATIONS_WHEN_OPENING || iconState.useFullTransitionAmount
                 || iconState.useLinearTransitionAmount) {
             transitionAmount = iconTransitionAmount;
         } else {

packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java

@@ -70,8 +70,8 @@ public class AmbientState {
     private int mIntrinsicPadding;
     private int mExpandAnimationTopChange;
     private ExpandableNotificationRow mExpandingNotification;
-    private boolean mFullyDark;
     private int mDarkTopPadding;
+    private float mDarkAmount;
 
     public AmbientState(Context context) {
         reload(context);
@@ -149,6 +149,16 @@ public class AmbientState {
         mDark = dark;
     }
 
+    /** Dark ratio of the status bar **/
+    public void setDarkAmount(float darkAmount) {
+        mDarkAmount = darkAmount;
+    }
+
+    /** Returns the dark ratio of the status bar */
+    public float getDarkAmount() {
+        return mDarkAmount;
+    }
+
     public void setHideSensitive(boolean hideSensitive) {
         mHideSensitive = hideSensitive;
     }
@@ -412,18 +422,11 @@ public class AmbientState {
         return mExpandAnimationTopChange;
     }
 
-    /**
-     * {@see isFullyDark}
-     */
-    public void setFullyDark(boolean fullyDark) {
-        mFullyDark = fullyDark;
-    }
-
     /**
      * @return {@code true } when shade is completely dark: in AOD or ambient display.
      */
     public boolean isFullyDark() {
-        return mFullyDark;
+        return mDarkAmount == 1;
     }
 
     public void setDarkTopPadding(int darkTopPadding) {

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

@@ -96,6 +96,7 @@ import com.android.systemui.statusbar.StatusBarState;
 import com.android.systemui.statusbar.notification.FakeShadowView;
 import com.android.systemui.statusbar.notification.NotificationUtils;
 import com.android.systemui.statusbar.notification.VisibilityLocationProvider;
+import com.android.systemui.statusbar.phone.DozeParameters;
 import com.android.systemui.statusbar.phone.HeadsUpManagerPhone;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
 import com.android.systemui.statusbar.phone.ScrimController;
@@ -269,8 +270,6 @@ public class NotificationStackScrollLayout extends ViewGroup
      */
     private boolean mOnlyScrollingInThisMotion;
     private boolean mDisallowDismissInThisMotion;
-    private boolean mInterceptDelegateEnabled;
-    private boolean mDelegateToScrollView;
     private boolean mDisallowScrollingInThisMotion;
     private long mGoToFullShadeDelay;
     private ViewTreeObserver.OnPreDrawListener mChildrenUpdater
@@ -562,17 +561,17 @@ public class NotificationStackScrollLayout extends ViewGroup
             return;
         }
 
-        final int color;
+        float alpha =
-        if (mAmbientState.isDark()) {
+                BACKGROUND_ALPHA_DIMMED + (1 - BACKGROUND_ALPHA_DIMMED) * (1.0f - mDimAmount);
-            color = Color.WHITE;
+        alpha *= 1f - mDarkAmount;
-        } else {
+        // We need to manually blend in the background color.
-            float alpha =
+        int scrimColor = mScrimController.getBackgroundColor();
-                    BACKGROUND_ALPHA_DIMMED + (1 - BACKGROUND_ALPHA_DIMMED) * (1.0f - mDimAmount);
+        int awakeColor = ColorUtils.blendARGB(scrimColor, mBgColor, alpha);
-            alpha *= 1f - mDarkAmount;
+
-            // We need to manually blend in the background color
+        // Interpolate between semi-transparent notification panel background color
-            int scrimColor = mScrimController.getBackgroundColor();
+        // and white AOD separator.
-            color = ColorUtils.blendARGB(scrimColor, mBgColor, alpha);
+        float colorInterpolation = Interpolators.DECELERATE_QUINT.getInterpolation(mDarkAmount);
-        }
+        int color = ColorUtils.blendARGB(awakeColor, Color.WHITE, colorInterpolation);
 
         if (mCachedBackgroundColor != color) {
             mCachedBackgroundColor = color;
@@ -3961,13 +3960,18 @@ public class NotificationStackScrollLayout extends ViewGroup
 
     private void setDarkAmount(float darkAmount) {
         mDarkAmount = darkAmount;
-        final boolean fullyDark = darkAmount == 1;
+        boolean wasFullyDark = mAmbientState.isFullyDark();
-        if (mAmbientState.isFullyDark() != fullyDark) {
+        mAmbientState.setDarkAmount(darkAmount);
-            mAmbientState.setFullyDark(fullyDark);
+        if (mAmbientState.isFullyDark() != wasFullyDark) {
             updateContentHeight();
+            DozeParameters dozeParameters = DozeParameters.getInstance(mContext);
+            if (mAmbientState.isFullyDark() && dozeParameters.shouldControlScreenOff()) {
+                mShelf.fadeInTranslating();
+            }
         }
         updateBackgroundDimming();
         updateAntiBurnInTranslation();
+        requestChildrenUpdate();
     }
 
     public float getDarkAmount() {

packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java

@@ -276,8 +276,6 @@ public class StackScrollAlgorithm {
                 if (i >= firstHiddenIndex) {
                     // we need normal padding now, to be in sync with what the stack calculates
                     lastView = null;
-                    ExpandableViewState viewState = resultState.getViewStateForView(v);
-                    viewState.hidden = true;
                 }
                 notGoneIndex = updateNotGoneIndex(resultState, state, notGoneIndex, v);
                 float increasedPadding = v.getIncreasedPaddingAmount();

packages/SystemUI/tests/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayoutTest.java

@@ -97,6 +97,7 @@ public class NotificationStackScrollLayoutTest extends SysuiTestCase {
         doNothing().when(mGroupManager).collapseAllGroups();
         doNothing().when(mExpandHelper).cancelImmediately();
         doNothing().when(notificationShelf).setAnimationsEnabled(anyBoolean());
+        doNothing().when(notificationShelf).fadeInTranslating();
     }
 
     @Test