New pulsing notification layout

Test: wake up with power
Test: look at shelf on lock screen
Test: lock device w/ notifications from home screen
Test: receive notification on AOD
Test: atest KeyguardClockPositionAlgorithmTest
Test: atest NotificationRoundnessManagerTest
Test: atest ScrimControllerTest
Test: atest NotificationContentViewTest
Bug: 111405682
Change-Id: I9b4f2febd56a62256124567bffebc9f5f8255847
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 72819cb..b8d748d 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -384,9 +384,7 @@
         STANDARD_LAYOUTS.add(R.layout.notification_template_material_messaging);
         STANDARD_LAYOUTS.add(R.layout.notification_template_material_media);
         STANDARD_LAYOUTS.add(R.layout.notification_template_material_big_media);
-        STANDARD_LAYOUTS.add(R.layout.notification_template_ambient_header);
         STANDARD_LAYOUTS.add(R.layout.notification_template_header);
-        STANDARD_LAYOUTS.add(R.layout.notification_template_material_ambient);
     }
 
     /**
@@ -4570,9 +4568,7 @@
             if (p.title != null) {
                 contentView.setViewVisibility(R.id.title, View.VISIBLE);
                 contentView.setTextViewText(R.id.title, processTextSpans(p.title));
-                if (!p.ambient) {
-                    setTextViewColorPrimary(contentView, R.id.title, p);
-                }
+                setTextViewColorPrimary(contentView, R.id.title, p);
                 contentView.setViewLayoutWidth(R.id.title, showProgress
                         ? ViewGroup.LayoutParams.WRAP_CONTENT
                         : ViewGroup.LayoutParams.MATCH_PARENT);
@@ -4581,9 +4577,7 @@
                 int textId = showProgress ? com.android.internal.R.id.text_line_1
                         : com.android.internal.R.id.text;
                 contentView.setTextViewText(textId, processTextSpans(p.text));
-                if (!p.ambient) {
-                    setTextViewColorSecondary(contentView, textId, p);
-                }
+                setTextViewColorSecondary(contentView, textId, p);
                 contentView.setViewVisibility(textId, View.VISIBLE);
             }
 
@@ -4842,7 +4836,7 @@
             if (mN.mLargeIcon == null && mN.largeIcon != null) {
                 mN.mLargeIcon = Icon.createWithBitmap(mN.largeIcon);
             }
-            boolean showLargeIcon = mN.mLargeIcon != null && !p.hideLargeIcon && !p.ambient;
+            boolean showLargeIcon = mN.mLargeIcon != null && !p.hideLargeIcon;
             if (showLargeIcon) {
                 contentView.setViewVisibility(R.id.right_icon, View.VISIBLE);
                 contentView.setImageViewIcon(R.id.right_icon, mN.mLargeIcon);
@@ -4856,7 +4850,7 @@
          * @return if the reply icon is visible
          */
         private boolean bindReplyIcon(RemoteViews contentView, StandardTemplateParams p) {
-            boolean actionVisible = !p.hideReplyIcon && !p.ambient;
+            boolean actionVisible = !p.hideReplyIcon;
             Action action = null;
             if (actionVisible) {
                 action = findReplyAction();
@@ -4896,21 +4890,18 @@
         private void bindNotificationHeader(RemoteViews contentView, StandardTemplateParams p) {
             bindSmallIcon(contentView, p);
             bindHeaderAppName(contentView, p);
-            if (!p.ambient) {
-                // Ambient view does not have these
-                bindHeaderText(contentView, p);
-                bindHeaderTextSecondary(contentView, p);
-                bindHeaderChronometerAndTime(contentView, p);
-                bindProfileBadge(contentView, p);
-                bindAlertedIcon(contentView, p);
-            }
+            bindHeaderText(contentView, p);
+            bindHeaderTextSecondary(contentView, p);
+            bindHeaderChronometerAndTime(contentView, p);
+            bindProfileBadge(contentView, p);
+            bindAlertedIcon(contentView, p);
             bindActivePermissions(contentView, p);
             bindExpandButton(contentView, p);
             mN.mUsesStandardHeader = true;
         }
 
         private void bindActivePermissions(RemoteViews contentView, StandardTemplateParams p) {
-            int color = p.ambient ? resolveAmbientColor(p) : getNeutralColor(p);
+            int color = getNeutralColor(p);
             contentView.setDrawableTint(R.id.camera, false, color, PorterDuff.Mode.SRC_ATOP);
             contentView.setDrawableTint(R.id.mic, false, color, PorterDuff.Mode.SRC_ATOP);
             contentView.setDrawableTint(R.id.overlay, false, color, PorterDuff.Mode.SRC_ATOP);
@@ -5021,13 +5012,12 @@
             if (isColorized(p)) {
                 setTextViewColorPrimary(contentView, R.id.app_name_text, p);
             } else {
-                contentView.setTextColor(R.id.app_name_text,
-                        p.ambient ? resolveAmbientColor(p) : getSecondaryTextColor(p));
+                contentView.setTextColor(R.id.app_name_text, getSecondaryTextColor(p));
             }
         }
 
         private boolean isColorized(StandardTemplateParams p) {
-            return p.allowColorization && !p.ambient && mN.isColorized();
+            return p.allowColorization && mN.isColorized();
         }
 
         private void bindSmallIcon(RemoteViews contentView, StandardTemplateParams p) {
@@ -5097,7 +5087,7 @@
             List<Notification.Action> nonContextualActions = filterOutContextualActions(mActions);
 
             int N = nonContextualActions.size();
-            boolean emphazisedMode = mN.fullScreenIntent != null && !p.ambient;
+            boolean emphazisedMode = mN.fullScreenIntent != null;
             big.setBoolean(R.id.actions, "setEmphasizedMode", emphazisedMode);
             if (N > 0) {
                 big.setViewVisibility(R.id.actions_container, View.VISIBLE);
@@ -5122,7 +5112,7 @@
             }
 
             CharSequence[] replyText = mN.extras.getCharSequenceArray(EXTRA_REMOTE_INPUT_HISTORY);
-            if (!p.ambient && validRemoteInput && replyText != null
+            if (validRemoteInput && replyText != null
                     && replyText.length > 0 && !TextUtils.isEmpty(replyText[0])
                     && p.maxRemoteInputHistory > 0) {
                 boolean showSpinner = mN.extras.getBoolean(EXTRA_SHOW_REMOTE_INPUT_SPINNER);
@@ -5239,11 +5229,10 @@
          * Construct a RemoteViews for the final notification header only. This will not be
          * colorized.
          *
-         * @param ambient if true, generate the header for the ambient display layout.
          * @hide
          */
-        public RemoteViews makeNotificationHeader(boolean ambient) {
-            return makeNotificationHeader(mParams.reset().ambient(ambient).fillTextsFrom(this));
+        public RemoteViews makeNotificationHeader() {
+            return makeNotificationHeader(mParams.reset().fillTextsFrom(this));
         }
 
         /**
@@ -5256,8 +5245,7 @@
             // Headers on their own are never colorized
             p.disallowColorization();
             RemoteViews header = new BuilderRemoteViews(mContext.getApplicationInfo(),
-                    p.ambient ? R.layout.notification_template_ambient_header
-                            : R.layout.notification_template_header);
+                    R.layout.notification_template_header);
             resetNotificationHeader(header);
             bindNotificationHeader(header, p);
             return header;
@@ -5269,11 +5257,7 @@
          * @hide
          */
         public RemoteViews makeAmbientNotification() {
-            RemoteViews ambient = applyStandardTemplateWithActions(
-                    R.layout.notification_template_material_ambient,
-                    mParams.reset().ambient(true).fillTextsFrom(this).hasProgress(false),
-                    null /* result */);
-            return ambient;
+            return createHeadsUpContentView(false /* increasedHeight */);
         }
 
         private void hideLine1Text(RemoteViews result) {
@@ -5377,14 +5361,8 @@
             }
             mN.extras = publicExtras;
             RemoteViews view;
-            if (ambient) {
-                publicExtras.putCharSequence(EXTRA_TITLE,
-                        mContext.getString(com.android.internal.R.string.notification_hidden_text));
-                view = makeAmbientNotification();
-            } else{
-                view = makeNotificationHeader(false /* ambient */);
-                view.setBoolean(R.id.notification_header, "setExpandOnlyOnButton", true);
-            }
+            view = makeNotificationHeader();
+            view.setBoolean(R.id.notification_header, "setExpandOnlyOnButton", true);
             mN.extras = savedBundle;
             mN.mLargeIcon = largeIcon;
             mN.largeIcon = largeIconLegacy;
@@ -5404,7 +5382,6 @@
         public RemoteViews makeLowPriorityContentView(boolean useRegularSubtext) {
             StandardTemplateParams p = mParams.reset()
                     .forceDefaultColor()
-                    .ambient(false)
                     .fillTextsFrom(this);
             if (!useRegularSubtext || TextUtils.isEmpty(mParams.summaryText)) {
                 p.summaryText(createSummaryText());
@@ -5495,8 +5472,7 @@
                 if (isColorized(p)) {
                     setTextViewColorPrimary(button, R.id.action0, p);
                 } else if (getRawColor(p) != COLOR_DEFAULT && mTintActionButtons) {
-                    button.setTextColor(R.id.action0,
-                            p.ambient ? resolveAmbientColor(p) : resolveContrastColor(p));
+                    button.setTextColor(R.id.action0, resolveContrastColor(p));
                 }
             }
             button.setIntTag(R.id.action0, R.id.notification_action_index_tag,
@@ -5589,13 +5565,8 @@
         }
 
         private CharSequence processLegacyText(CharSequence charSequence) {
-            return processLegacyText(charSequence, false /* ambient */);
-        }
-
-        private CharSequence processLegacyText(CharSequence charSequence, boolean ambient) {
             boolean isAlreadyLightText = isLegacy() || textColorsNeedInversion();
-            boolean wantLightText = ambient;
-            if (isAlreadyLightText != wantLightText) {
+            if (isAlreadyLightText) {
                 return getColorUtil().invertCharSequenceColors(charSequence);
             } else {
                 return charSequence;
@@ -5609,9 +5580,7 @@
                 StandardTemplateParams p) {
             boolean colorable = !isLegacy() || getColorUtil().isGrayscaleIcon(mContext, smallIcon);
             int color;
-            if (p.ambient) {
-                color = resolveAmbientColor(p);
-            } else if (isColorized(p)) {
+            if (isColorized(p)) {
                 color = getPrimaryTextColor(p);
             } else {
                 color = resolveContrastColor(p);
@@ -5698,17 +5667,6 @@
             return mNeutralColor;
         }
 
-        int resolveAmbientColor(StandardTemplateParams p) {
-            int rawColor = getRawColor(p);
-            if (mCachedAmbientColorIsFor == rawColor && mCachedAmbientColorIsFor != COLOR_INVALID) {
-                return mCachedAmbientColor;
-            }
-            final int contrasted = ContrastColorUtil.resolveAmbientColor(mContext, rawColor);
-
-            mCachedAmbientColorIsFor = rawColor;
-            return mCachedAmbientColor = contrasted;
-        }
-
         /**
          * Apply the unstyled operations and return a new {@link Notification} object.
          * @hide
@@ -10144,7 +10102,6 @@
 
     private static class StandardTemplateParams {
         boolean hasProgress = true;
-        boolean ambient = false;
         CharSequence title;
         CharSequence text;
         CharSequence headerTextSecondary;
@@ -10157,7 +10114,6 @@
 
         final StandardTemplateParams reset() {
             hasProgress = true;
-            ambient = false;
             title = null;
             text = null;
             summaryText = null;
@@ -10213,22 +10169,15 @@
             return this;
         }
 
-        final StandardTemplateParams ambient(boolean ambient) {
-            Preconditions.checkState(title == null && text == null, "must set ambient before text");
-            this.ambient = ambient;
-            return this;
-        }
-
         final StandardTemplateParams fillTextsFrom(Builder b) {
             Bundle extras = b.mN.extras;
-            this.title = b.processLegacyText(extras.getCharSequence(EXTRA_TITLE), ambient);
+            this.title = b.processLegacyText(extras.getCharSequence(EXTRA_TITLE));
 
-            // Big text notifications should contain their content when viewed in ambient mode.
             CharSequence text = extras.getCharSequence(EXTRA_BIG_TEXT);
-            if (!ambient || TextUtils.isEmpty(text)) {
+            if (TextUtils.isEmpty(text)) {
                 text = extras.getCharSequence(EXTRA_TEXT);
             }
-            this.text = b.processLegacyText(text, ambient);
+            this.text = b.processLegacyText(text);
             this.summaryText = extras.getCharSequence(EXTRA_SUB_TEXT);
             return this;
         }
diff --git a/core/res/res/layout/notification_template_ambient_header.xml b/core/res/res/layout/notification_template_ambient_header.xml
deleted file mode 100644
index be5d9b4..0000000
--- a/core/res/res/layout/notification_template_ambient_header.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2017 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<!-- hack to work around <include /> not being supported at the top level -->
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:paddingStart="@dimen/notification_extra_margin_ambient"
-    android:paddingEnd="@dimen/notification_extra_margin_ambient"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
-    <include
-        layout="@layout/notification_template_header"
-        android:theme="@style/Theme.DeviceDefault.Notification.Ambient"/>
-</FrameLayout>
diff --git a/core/res/res/layout/notification_template_material_ambient.xml b/core/res/res/layout/notification_template_material_ambient.xml
deleted file mode 100644
index 2c6064e..0000000
--- a/core/res/res/layout/notification_template_material_ambient.xml
+++ /dev/null
@@ -1,94 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2017 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/status_bar_latest_event_content"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:tag="ambient"
-    android:paddingStart="@dimen/notification_extra_margin_ambient"
-    android:paddingEnd="@dimen/notification_extra_margin_ambient"
-    >
-    <include layout="@layout/notification_template_ambient_header"
-             android:theme="@style/Theme.DeviceDefault.Notification.Ambient" />
-
-    <LinearLayout
-            android:id="@+id/notification_action_list_margin_target"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:layout_gravity="top"
-            android:layout_marginTop="@dimen/notification_content_margin_top"
-            android:layout_marginBottom="@dimen/notification_action_list_height"
-            android:paddingTop="4dp"
-            android:paddingBottom="6dp"
-            android:clipToPadding="false"
-            android:orientation="vertical">
-
-        <LinearLayout
-            android:id="@+id/notification_main_column"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="top"
-            android:layout_weight="1"
-            android:paddingStart="@dimen/notification_content_margin_start"
-            android:paddingEnd="@dimen/notification_content_margin_end"
-            android:clipToPadding="false"
-            android:minHeight="@dimen/notification_min_content_height"
-            android:orientation="vertical"
-            >
-            <TextView android:id="@+id/title"
-                android:textAppearance="@style/TextAppearance.DeviceDefault.Notification.Title"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:gravity="top|center_horizontal"
-                android:singleLine="true"
-                android:ellipsize="marquee"
-                android:fadingEdge="horizontal"
-                android:textSize="@dimen/notification_ambient_title_text_size"
-                android:textColor="#ffffffff"
-            />
-            <TextView android:id="@+id/text"
-                android:layout_width="match_parent"
-                android:layout_height="0dp"
-                android:textAppearance="@style/TextAppearance.DeviceDefault.Notification"
-                android:singleLine="false"
-                android:layout_weight="1"
-                android:gravity="top|center_horizontal"
-                android:visibility="gone"
-                android:textSize="@dimen/notification_ambient_text_size"
-                android:textColor="#eeffffff"
-                android:layout_marginTop="4dp"
-                android:ellipsize="end"
-                android:maxLines="3"
-            />
-        </LinearLayout>
-        <FrameLayout android:id="@+id/actions_container"
-                     android:layout_width="match_parent"
-                     android:layout_height="wrap_content"
-                     android:layout_gravity="bottom">
-            <com.android.internal.widget.NotificationActionListLayout
-                android:id="@+id/actions"
-                android:layout_width="match_parent"
-                android:layout_height="@dimen/notification_action_list_height"
-                android:paddingEnd="4dp"
-                android:orientation="horizontal"
-                android:gravity="center"
-                android:visibility="gone"
-            />
-        </FrameLayout>
-    </LinearLayout>
-</FrameLayout>
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 05a156b..c870683 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -194,9 +194,6 @@
     <!-- The margin for text at the end of the image view for media notifications -->
     <dimen name="notification_media_image_margin_end">72dp</dimen>
 
-    <!-- The additional margin on the sides of the ambient view. -->
-    <dimen name="notification_extra_margin_ambient">16dp</dimen>
-
     <!-- The height of the notification action list -->
     <dimen name="notification_action_list_height">60dp</dimen>
 
@@ -233,9 +230,6 @@
     <!-- The bottom padding for the notification header -->
     <dimen name="notification_header_padding_bottom">16dp</dimen>
 
-    <!-- The margin at the top of the notification header when dozing. -->
-    <dimen name="notification_header_margin_top_ambient">3dp</dimen>
-
     <!-- The margin at the bottom of the notification header. -->
     <dimen name="notification_header_margin_bottom">0dp</dimen>
 
@@ -400,11 +394,6 @@
     <dimen name="notification_title_text_size">14sp</dimen>
     <!-- Size of smaller notification text (see TextAppearance.StatusBar.EventContent.Line2, Info, Time) -->
     <dimen name="notification_subtext_size">12sp</dimen>
-    <!-- Size of notification text (see TextAppearance.StatusBar.EventContent) -->
-    <dimen name="notification_ambient_text_size">16sp</dimen>
-    <!-- Size of notification text titles (see TextAppearance.StatusBar.EventContent.Title) -->
-    <dimen name="notification_ambient_title_text_size">24sp</dimen>
-
     <!-- Top padding for notifications in the standard layout. -->
     <dimen name="notification_top_pad">10dp</dimen>
 
diff --git a/core/res/res/values/styles_device_defaults.xml b/core/res/res/values/styles_device_defaults.xml
index 200ef2f..79afe69 100644
--- a/core/res/res/values/styles_device_defaults.xml
+++ b/core/res/res/values/styles_device_defaults.xml
@@ -271,9 +271,6 @@
     <style name="TextAppearance.DeviceDefault.Notification.Info" parent="TextAppearance.Material.Notification.Info">
         <item name="fontFamily">@string/config_bodyFontFamily</item>
     </style>
-    <style name="TextAppearance.DeviceDefault.Notification.Info.Ambient" parent="TextAppearance.Material.Notification.Info.Ambient">
-        <item name="fontFamily">@string/config_bodyFontFamily</item>
-    </style>
     <style name="TextAppearance.DeviceDefault.Widget" parent="TextAppearance.Material.Widget">
         <item name="fontFamily">@string/config_bodyFontFamily</item>
     </style>
diff --git a/core/res/res/values/styles_material.xml b/core/res/res/values/styles_material.xml
index 5a7199d..63ac0e6 100644
--- a/core/res/res/values/styles_material.xml
+++ b/core/res/res/values/styles_material.xml
@@ -487,10 +487,6 @@
 
     <style name="TextAppearance.Material.Notification.Time" parent="TextAppearance.Material.Notification.Info" />
 
-    <style name="TextAppearance.Material.Notification.Info.Ambient">
-        <item name="textSize">@dimen/notification_text_size</item>
-    </style>
-
     <style name="TextAppearance.Material.Notification.Emphasis">
         <item name="textColor">#66000000</item>
     </style>
@@ -1308,10 +1304,5 @@
         <item name="gravity">top</item>
     </style>
 
-    <style name="Notification.Header.Ambient">
-        <item name="layout_marginTop">@dimen/notification_header_margin_top_ambient</item>
-        <item name="gravity">top|center_horizontal</item>
-    </style>
-
 
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index a7c8c1e..5da802f 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3076,8 +3076,6 @@
 
   <java-symbol type="dimen" name="config_appTransitionAnimationDurationScaleDefault" />
 
-  <java-symbol type="layout" name="notification_template_material_ambient" />
-
   <!-- Network Recommendation -->
   <java-symbol type="string" name="config_defaultNetworkRecommendationProviderPackage" />
 
@@ -3237,8 +3235,6 @@
   <java-symbol type="string" name="time_picker_text_input_mode_description"/>
   <java-symbol type="string" name="time_picker_radial_mode_description"/>
 
-  <java-symbol type="layout" name="notification_template_ambient_header" />
-
   <!-- resolver activity -->
   <java-symbol type="drawable" name="resolver_icon_placeholder" />
 
diff --git a/core/res/res/values/themes_device_defaults.xml b/core/res/res/values/themes_device_defaults.xml
index d60313a..75a727b 100644
--- a/core/res/res/values/themes_device_defaults.xml
+++ b/core/res/res/values/themes_device_defaults.xml
@@ -1711,8 +1711,4 @@
         <item name="notificationHeaderTextAppearance">@style/TextAppearance.DeviceDefault.Notification.Info</item>
     </style>
 
-    <style name="Theme.DeviceDefault.Notification.Ambient" parent="@style/Theme.Material.Notification.Ambient">
-        <item name="notificationHeaderTextAppearance">@style/TextAppearance.DeviceDefault.Notification.Info.Ambient</item>
-    </style>
-
 </resources>
diff --git a/core/res/res/values/themes_material.xml b/core/res/res/values/themes_material.xml
index ccaf041..6b7698e 100644
--- a/core/res/res/values/themes_material.xml
+++ b/core/res/res/values/themes_material.xml
@@ -1341,14 +1341,6 @@
         <item name="notificationHeaderIconSize">@dimen/notification_header_icon_size</item>
     </style>
 
-    <!-- Theme for inflating ambient notification -->
-    <style name="Theme.Material.Notification.Ambient">
-        <item name="notificationHeaderStyle">@style/Notification.Header.Ambient</item>
-        <item name="notificationHeaderTextAppearance">@style/TextAppearance.Material.Notification.Info.Ambient</item>
-        <item name="notificationHeaderAppNameVisibility">gone</item>
-        <item name="notificationHeaderIconSize">@dimen/notification_header_icon_size_ambient</item>
-    </style>
-
     <!-- Default theme for Settings and activities launched from Settings. -->
     <style name="Theme.Material.Settings" parent="Theme.Material.Light.LightStatusBar">
         <item name="homeAsUpIndicator">@drawable/ic_ab_back_material_settings</item>