Add animation for tiles second line

Test: manual
Fixes: 186251234
Change-Id: I0fd6216453b5591469d99a4ba64ac3b1af6e615f

packages/SystemUI/plugin/src/com/android/systemui/plugins/qs/QSTileView.java

@@ -63,4 +63,8 @@ public abstract class QSTileView extends LinearLayout {
     public View getLabelContainer() {
         return null;
     }
+
+    public View getSecondaryLabel() {
+        return null;
+    }
 }

packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java

@@ -336,8 +336,11 @@ public class QSAnimator implements Callback, PageListener, Listener, OnLayoutCha
                             translationYBuilder
                     );
 
+                    firstPageBuilder.addFloat(quickTileView.getSecondaryLabel(), "alpha", 0, 1);
+
                     mQuickQsViews.add(tileView);
                     mAllViews.add(quickTileView);
+                    mAllViews.add(quickTileView.getSecondaryLabel());
                 } else if (mFullRows && isIconInAnimatedRow(count)) {
 
                     firstPageBuilder.addFloat(tileView, "translationY", -heightDiff, 0);

packages/SystemUI/src/com/android/systemui/qs/tileimpl/ButtonRelativeLayout.java

@@ -16,11 +16,17 @@ package com.android.systemui.qs.tileimpl;
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.view.View;
 import android.widget.Button;
 import android.widget.RelativeLayout;
 
+/**
+ * Used for QS tile labels
+ */
 public class ButtonRelativeLayout extends RelativeLayout {
 
+    private View mIgnoredView;
+
     public ButtonRelativeLayout(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
@@ -29,4 +35,27 @@ public class ButtonRelativeLayout extends RelativeLayout {
     public CharSequence getAccessibilityClassName() {
         return Button.class.getName();
     }
+
+    /**
+     * Set a view to be ignored for measure.
+     *
+     * The view will be measured and laid out, but its size will be subtracted from the total size
+     * of this view. It assumes that this view only contributes vertical height.
+     */
+    public void setIgnoredView(View view) {
+        if (mIgnoredView == null || mIgnoredView.getParent() == this) {
+            mIgnoredView = view;
+        }
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        if (mIgnoredView != null && mIgnoredView.getVisibility() != GONE) {
+            int height = mIgnoredView.getMeasuredHeight();
+            MarginLayoutParams lp = (MarginLayoutParams) mIgnoredView.getLayoutParams();
+            height = height - lp.bottomMargin - lp.topMargin;
+            setMeasuredDimension(getMeasuredWidth(), getMeasuredHeight() - height);
+        }
+    }
 }

packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileView.java

@@ -22,7 +22,6 @@ import android.text.TextUtils;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
 
@@ -44,7 +43,7 @@ public class QSTileView extends QSTileBaseView {
     protected TextView mSecondLine;
     private ImageView mPadLock;
     protected int mState;
-    protected ViewGroup mLabelContainer;
+    protected ButtonRelativeLayout mLabelContainer;
     private View mExpandIndicator;
     private View mExpandSpace;
     protected ColorStateList mColorLabelActive;
@@ -92,7 +91,7 @@ public class QSTileView extends QSTileBaseView {
     }
 
     protected void createLabel() {
-        mLabelContainer = (ViewGroup) LayoutInflater.from(getContext())
+        mLabelContainer = (ButtonRelativeLayout) LayoutInflater.from(getContext())
                 .inflate(R.layout.qs_tile_label, this, false);
         mLabelContainer.setClipChildren(false);
         mLabelContainer.setClipToPadding(false);
@@ -140,7 +139,7 @@ public class QSTileView extends QSTileBaseView {
         }
         if (!Objects.equals(mSecondLine.getText(), state.secondaryLabel)) {
             mSecondLine.setText(state.secondaryLabel);
-            mSecondLine.setVisibility(TextUtils.isEmpty(state.secondaryLabel) || mCollapsedView
+            mSecondLine.setVisibility(TextUtils.isEmpty(state.secondaryLabel)
                     ? View.GONE : View.VISIBLE);
         }
         boolean dualTarget = mDualTargetAllowed && state.dualTarget;
@@ -193,4 +192,9 @@ public class QSTileView extends QSTileBaseView {
     public View getLabelContainer() {
         return mLabelContainer;
     }
+
+    @Override
+    public View getSecondaryLabel() {
+        return mSecondLine;
+    }
 }

packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileViewHorizontal.kt

@@ -100,7 +100,8 @@ open class QSTileViewHorizontal(
         mSecondLine.textDirection = TEXT_DIRECTION_LOCALE
 
         if (mCollapsedView) {
-            mSecondLine.visibility = GONE
+            mSecondLine.alpha = 0f
+            mLabelContainer.setIgnoredView(mSecondLine)
         }
     }
 
@@ -185,9 +186,7 @@ open class QSTileViewHorizontal(
 
     private fun setLabelsColor(color: ColorStateList) {
         mLabel.setTextColor(color)
-        if (!mCollapsedView) {
-            mSecondLine.setTextColor(color)
-        }
+        mSecondLine.setTextColor(color)
     }
 
     private fun clearBackgroundAnimator() {