Work on QS header redlines and animations

Bug: 27201532
Change-Id: I791454dda3a42b588e506f6bcd174a69a0fd29f8
diff --git a/packages/SystemUI/res/layout/quick_status_bar_expanded_header.xml b/packages/SystemUI/res/layout/quick_status_bar_expanded_header.xml
index 84df0d6..26152cd 100644
--- a/packages/SystemUI/res/layout/quick_status_bar_expanded_header.xml
+++ b/packages/SystemUI/res/layout/quick_status_bar_expanded_header.xml
@@ -34,19 +34,31 @@
     <LinearLayout
         android:id="@+id/expanded_group"
         android:layout_width="wrap_content"
-        android:layout_height="match_parent"
+        android:layout_height="48dp"
         android:gravity="center"
         android:clipChildren="false"
         android:clipToPadding="false"
         android:orientation="horizontal"
         android:layout_alignParentEnd="true"
-        android:layout_marginTop="30dp"
-        android:layout_marginEnd="16dp">
+        android:layout_marginTop="28dp"
+        android:layout_marginEnd="12dp">
+
+        <com.android.systemui.statusbar.phone.MultiUserSwitch android:id="@+id/multi_user_switch"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_alignParentEnd="true"
+            android:background="@drawable/ripple_drawable" >
+            <ImageView android:id="@+id/multi_user_avatar"
+                android:layout_width="@dimen/multi_user_avatar_expanded_size"
+                android:layout_height="@dimen/multi_user_avatar_expanded_size"
+                android:layout_gravity="center"
+                android:scaleType="centerInside"/>
+        </com.android.systemui.statusbar.phone.MultiUserSwitch>
 
         <com.android.systemui.statusbar.AlphaOptimizedFrameLayout
             android:id="@+id/settings_button_container"
             android:layout_width="48dp"
-            android:layout_height="@dimen/status_bar_header_height"
+            android:layout_height="48dp"
             android:clipChildren="false"
             android:clipToPadding="false">
 
@@ -68,18 +80,6 @@
 
         </com.android.systemui.statusbar.AlphaOptimizedFrameLayout>
 
-        <com.android.systemui.statusbar.phone.MultiUserSwitch android:id="@+id/multi_user_switch"
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:layout_alignParentEnd="true"
-            android:background="@drawable/ripple_drawable" >
-            <ImageView android:id="@+id/multi_user_avatar"
-                android:layout_width="@dimen/multi_user_avatar_expanded_size"
-                android:layout_height="@dimen/multi_user_avatar_expanded_size"
-                android:layout_gravity="center"
-                android:scaleType="centerInside"/>
-        </com.android.systemui.statusbar.phone.MultiUserSwitch>
-
         <ImageView
             android:layout_width="48dp"
             android:layout_height="48dp"
@@ -104,44 +104,62 @@
         android:gravity="center_vertical" />
 
     <LinearLayout
-        android:id="@+id/date_time_group"
+        android:id="@+id/date_time_alarm_group"
         android:layout_width="wrap_content"
-        android:layout_height="25dp"
+        android:layout_height="wrap_content"
         android:layout_alignParentStart="true"
         android:layout_alignParentTop="true"
-        android:orientation="horizontal">
-
-        <include layout="@layout/split_clock_view"
+        android:layout_marginStart="16dp"
+        android:gravity="start"
+        android:orientation="vertical">
+        <LinearLayout
+            android:id="@+id/date_time_group"
             android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_marginStart="16dp"
+            android:layout_height="19dp"
             android:layout_marginTop="4dp"
-            android:id="@+id/clock" />
+            android:orientation="horizontal">
 
-        <com.android.systemui.statusbar.policy.DateView
-            android:id="@+id/date"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_marginStart="6dp"
-            android:layout_marginTop="4dp"
-            android:drawableStart="@drawable/header_dot"
-            android:drawablePadding="6dp"
-            android:singleLine="true"
-            android:textAppearance="@style/TextAppearance.StatusBar.Expanded.Clock"
-            android:textSize="@dimen/qs_time_collapsed_size"
-            android:gravity="top"
-            systemui:datePattern="@string/abbrev_wday_month_day_no_year_alarm" />
+            <include layout="@layout/split_clock_view"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:id="@+id/clock" />
+
+            <com.android.systemui.statusbar.policy.DateView
+                android:id="@+id/date"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="6dp"
+                android:drawableStart="@drawable/header_dot"
+                android:drawablePadding="6dp"
+                android:singleLine="true"
+                android:textAppearance="@style/TextAppearance.StatusBar.Expanded.Clock"
+                android:textSize="@dimen/qs_time_collapsed_size"
+                android:gravity="top"
+                systemui:datePattern="@string/abbrev_wday_month_day_no_year_alarm" />
+
+            <com.android.systemui.statusbar.AlphaOptimizedButton
+                android:id="@+id/alarm_status_collapsed"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:drawablePadding="6dp"
+                android:drawableStart="@drawable/ic_access_alarms_small"
+                android:textColor="#64ffffff"
+                android:textAppearance="@style/TextAppearance.StatusBar.Expanded.Date"
+                android:paddingStart="6dp"
+                android:gravity="top"
+                android:background="?android:attr/selectableItemBackground"
+                android:visibility="gone" />
+        </LinearLayout>
 
         <com.android.systemui.statusbar.AlphaOptimizedButton
             android:id="@+id/alarm_status"
             android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_marginTop="4dp"
-            android:drawablePadding="6dp"
+            android:layout_height="20dp"
+            android:paddingTop="3dp"
+            android:drawablePadding="8dp"
             android:drawableStart="@drawable/ic_access_alarms_small"
             android:textColor="#64ffffff"
             android:textAppearance="@style/TextAppearance.StatusBar.Expanded.Date"
-            android:paddingStart="6dp"
             android:gravity="top"
             android:background="?android:attr/selectableItemBackground"
             android:visibility="gone" />
@@ -152,7 +170,7 @@
         android:background="#0000"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginTop="25dp"
+        android:layout_marginTop="28dp"
         android:layout_marginStart="12dp"
         android:layout_marginEnd="12dp"
         android:layout_alignParentEnd="true"
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 11c13e1..aed5ab2 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -162,7 +162,10 @@
     <dimen name="qs_tile_margin">16dp</dimen>
     <dimen name="qs_quick_tile_size">48dp</dimen>
     <dimen name="qs_quick_tile_padding">12dp</dimen>
-    <dimen name="qs_date_anim_translation">44.5dp</dimen>
+    <dimen name="qs_date_anim_translation">36dp</dimen>
+    <dimen name="qs_date_alarm_anim_translation">26dp</dimen>
+    <dimen name="qs_date_collapsed_text_size">14sp</dimen>
+    <dimen name="qs_date_text_size">16sp</dimen>
     <dimen name="qs_page_indicator_size">12dp</dimen>
     <dimen name="qs_tile_icon_size">24dp</dimen>
     <dimen name="qs_tile_text_size">12sp</dimen>
@@ -598,9 +601,6 @@
     <dimen name="fab_elevation">12dp</dimen>
     <dimen name="fab_press_translation_z">9dp</dimen>
 
-    <!-- TODO: Remove this -->
-    <dimen name="qs_header_neg_padding">-8dp</dimen>
-
     <!-- How high we lift the divider when touching -->
     <dimen name="docked_stack_divider_lift_elevation">4dp</dimen>
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
index 11d99ff..3bb141a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
@@ -20,6 +20,7 @@
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
+import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.RippleDrawable;
@@ -30,6 +31,7 @@
 import android.widget.TextView;
 import android.widget.Toast;
 import com.android.keyguard.KeyguardStatusView;
+import com.android.systemui.FontSizeUtils;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSPanel;
 import com.android.systemui.qs.QSTile;
@@ -47,7 +49,9 @@
     private NextAlarmController mNextAlarmController;
     private SettingsButton mSettingsButton;
     private View mSettingsContainer;
+
     private TextView mAlarmStatus;
+    private TextView mAlarmStatusCollapsed;
 
     private QSPanel mQsPanel;
 
@@ -56,19 +60,21 @@
 
     private ViewGroup mExpandedGroup;
     private ViewGroup mDateTimeGroup;
-    private View mEmergencyOnly;
-    private TextView mQsDetailHeaderTitle;
+    private ViewGroup mDateTimeAlarmGroup;
+    private TextView mEmergencyOnly;
+
     private boolean mListening;
     private AlarmManager.AlarmClockInfo mNextAlarm;
 
     private QuickQSPanel mHeaderQsPanel;
     private boolean mShowEmergencyCallsOnly;
-    private float mDateTimeTranslation;
     private MultiUserSwitch mMultiUserSwitch;
     private ImageView mMultiUserAvatar;
-    private View mQsDetailHeaderBack;
 
-    private final int[] mTmpInt2 = new int[2];
+    private float mDateTimeTranslation;
+    private float mDateTimeAlarmTranslation;
+    private float mExpansionFraction;
+    private float mDateScaleFactor;
 
     public QuickStatusBarHeader(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -78,11 +84,12 @@
     protected void onFinishInflate() {
         super.onFinishInflate();
 
-        mEmergencyOnly = findViewById(R.id.header_emergency_calls_only);
-        mDateTimeTranslation = mContext.getResources().getDimension(
-                R.dimen.qs_date_anim_translation);
+        mEmergencyOnly = (TextView) findViewById(R.id.header_emergency_calls_only);
+
+        mDateTimeAlarmGroup = (ViewGroup) findViewById(R.id.date_time_alarm_group);
+        mDateTimeAlarmGroup.findViewById(R.id.empty_time_view).setVisibility(View.GONE);
         mDateTimeGroup = (ViewGroup) findViewById(R.id.date_time_group);
-        mDateTimeGroup.findViewById(R.id.empty_time_view).setVisibility(View.GONE);
+
         mExpandedGroup = (ViewGroup) findViewById(R.id.expanded_group);
 
         mHeaderQsPanel = (QuickQSPanel) findViewById(R.id.quick_qs_panel);
@@ -91,6 +98,7 @@
         mSettingsContainer = findViewById(R.id.settings_button_container);
         mSettingsButton.setOnClickListener(this);
 
+        mAlarmStatusCollapsed = (TextView) findViewById(R.id.alarm_status_collapsed);
         mAlarmStatus = (TextView) findViewById(R.id.alarm_status);
         mAlarmStatus.setOnClickListener(this);
 
@@ -110,6 +118,29 @@
                         getHeight()));
             }
         });
+        updateResources();
+    }
+
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        updateResources();
+    }
+
+    private void updateResources() {
+        FontSizeUtils.updateFontSize(mAlarmStatus, R.dimen.qs_date_collapsed_size);
+        FontSizeUtils.updateFontSize(mEmergencyOnly, R.dimen.qs_emergency_calls_only_text_size);
+
+        mDateTimeTranslation = mContext.getResources().getDimension(
+                R.dimen.qs_date_anim_translation);
+        mDateTimeAlarmTranslation = mContext.getResources().getDimension(
+                R.dimen.qs_date_alarm_anim_translation);
+        float dateCollapsedSize = mContext.getResources().getDimension(
+                R.dimen.qs_date_collapsed_text_size);
+        float dateExpandedSize = mContext.getResources().getDimension(
+                R.dimen.qs_date_text_size);
+        mDateScaleFactor = dateExpandedSize / dateCollapsedSize - 1;
+        updateDateTimePosition();
     }
 
     @Override
@@ -140,15 +171,41 @@
 
     @Override
     public void setExpansion(float headerExpansionFraction) {
+        mExpansionFraction = headerExpansionFraction;
+
         mExpandedGroup.setAlpha(headerExpansionFraction);
         mExpandedGroup.setVisibility(headerExpansionFraction > 0 ? View.VISIBLE : View.INVISIBLE);
+
         mHeaderQsPanel.setAlpha(1 - headerExpansionFraction);
         mHeaderQsPanel.setVisibility(headerExpansionFraction < 1 ? View.VISIBLE : View.INVISIBLE);
 
-        mDateTimeGroup.setTranslationY(headerExpansionFraction * mDateTimeTranslation);
+        mAlarmStatus.setAlpha(headerExpansionFraction);
+        mAlarmStatusCollapsed.setAlpha(1 - headerExpansionFraction);
+        updateAlarmVisibilities();
+
+        float textScale = headerExpansionFraction * mDateScaleFactor;
+        mDateTimeGroup.setScaleX(1 + textScale);
+        mDateTimeGroup.setScaleY(1 + textScale);
+        mDateTimeGroup.setTranslationX(textScale * mDateTimeGroup.getWidth() / 2);
+        mDateTimeGroup.setTranslationY(textScale * mDateTimeGroup.getHeight() / 2);
+        updateDateTimePosition();
+
         mEmergencyOnly.setAlpha(headerExpansionFraction);
     }
 
+    private void updateAlarmVisibilities() {
+        mAlarmStatus.setVisibility(mAlarmShowing && mExpansionFraction > 0
+                ? View.VISIBLE : View.INVISIBLE);
+        mAlarmStatusCollapsed.setVisibility(mAlarmShowing && mExpansionFraction < 1
+                ? View.VISIBLE : View.INVISIBLE);
+    }
+
+    private void updateDateTimePosition() {
+        float translation = mAlarmShowing ? mDateTimeAlarmTranslation
+                : mDateTimeTranslation;
+        mDateTimeAlarmGroup.setTranslationY(mExpansionFraction * translation);
+    }
+
     public void setListening(boolean listening) {
         if (listening == mListening) {
             return;
@@ -160,11 +217,12 @@
 
     @Override
     public void updateEverything() {
+        updateDateTimePosition();
         updateVisibilities();
     }
 
     private void updateVisibilities() {
-        mAlarmStatus.setVisibility(mAlarmShowing ? View.VISIBLE : View.GONE);
+        updateAlarmVisibilities();
         mEmergencyOnly.setVisibility(mExpanded && mShowEmergencyCallsOnly
                 ? View.VISIBLE : View.INVISIBLE);
         mSettingsContainer.findViewById(R.id.tuner_icon).setVisibility(