Output switcher panel requires large title icon for Slice slider style

-Add "VIEW_TYPE_SLIDER_LARGE_ICON" to be a new panel type which would enlarge its title icon
-Set "VIEW_TYPE_SLIDER_LARGE_ICON" to MediaOutputPanel and MediaOutputGroupPanel
-Extend slider style and add customized icon size
-Add test cases

Bug: 157208551
Test: make -j42 RunSettingsRoboTests
Change-Id: I9b4de4aa552e8b26e766411f7eff93ea1a2d1910

res/layout/panel_slice_slider_row_large_icon.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 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.
+-->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/slice_slider_layout"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <androidx.slice.widget.SliceView
+        android:id="@+id/slice_view"
+        style="@style/Widget.SliceView.Panel.Slider.LargeIcon"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="0dp"
+        android:paddingEnd="0dp"/>
+</LinearLayout>

res/values/styles.xml

@@ -533,6 +533,10 @@
         <item name="rowStyle">@style/SliceRow.Slider</item>
     </style>
 
+    <style name="Widget.SliceView.Panel.Slider.LargeIcon">
+        <item name="rowStyle">@style/SliceRow.Slider.LargeIcon</item>
+    </style>
+
     <style name="SliceRow">
         <!-- 2dp start padding for the start icon -->
         <item name="titleItemStartPadding">2dp</item>
@@ -576,6 +580,11 @@
         <item name="subContentStartPadding">11dp</item>
     </style>
 
+    <style name="SliceRow.Slider.LargeIcon">
+        <!-- Layout is 48dp and actual icon size is 48-(iconSize/2) -->
+        <item name="iconSize">12dp</item>
+    </style>
+
     <style name="DisclaimerPositiveButton" parent="@style/SudGlifButton.Primary">
         <item name="android:layout_margin">16dp</item>
         <item name="android:paddingStart">8dp</item>

src/com/android/settings/panel/MediaOutputGroupPanel.java

@@ -159,6 +159,6 @@ public class MediaOutputGroupPanel implements PanelContent, LocalMediaManager.De
 
     @Override
     public int getViewType() {
-        return PanelContent.VIEW_TYPE_SLIDER;
+        return PanelContent.VIEW_TYPE_SLIDER_LARGE_ICON;
     }
 }

src/com/android/settings/panel/MediaOutputPanel.java

@@ -246,7 +246,7 @@ public class MediaOutputPanel implements PanelContent, LocalMediaManager.DeviceC
 
     @Override
     public int getViewType() {
-        return PanelContent.VIEW_TYPE_SLIDER;
+        return PanelContent.VIEW_TYPE_SLIDER_LARGE_ICON;
     }
 
     private final MediaController.Callback mCb = new MediaController.Callback() {

src/com/android/settings/panel/PanelContent.java

@@ -31,6 +31,7 @@ import java.util.List;
 public interface PanelContent extends Instrumentable {
 
     int VIEW_TYPE_SLIDER = 1;
+    int VIEW_TYPE_SLIDER_LARGE_ICON = 2;
 
     /**
      * @return a icon for the title of the Panel.

src/com/android/settings/panel/PanelSlicesAdapter.java

@@ -75,6 +75,8 @@ public class PanelSlicesAdapter
         View view;
         if (viewType == PanelContent.VIEW_TYPE_SLIDER) {
             view = inflater.inflate(R.layout.panel_slice_slider_row, viewGroup, false);
+        } else if (viewType == PanelContent.VIEW_TYPE_SLIDER_LARGE_ICON) {
+            view = inflater.inflate(R.layout.panel_slice_slider_row_large_icon, viewGroup, false);
         } else {
             view = inflater.inflate(R.layout.panel_slice_row, viewGroup, false);
         }

tests/robotests/src/com/android/settings/panel/MediaOutputGroupPanelTest.java

@@ -72,4 +72,9 @@ public class MediaOutputGroupPanelTest {
     public void getSeeMoreIntent_isNull() {
         assertThat(mPanel.getSeeMoreIntent()).isNull();
     }
+
+    @Test
+    public void getViewType_checkType() {
+        assertThat(mPanel.getViewType()).isEqualTo(PanelContent.VIEW_TYPE_SLIDER_LARGE_ICON);
+    }
 }

tests/robotests/src/com/android/settings/panel/MediaOutputPanelTest.java

@@ -312,4 +312,9 @@ public class MediaOutputPanelTest {
 
         verify(mCallback).forceClose();
     }
+
+    @Test
+    public void getViewType_checkType() {
+        assertThat(mPanel.getViewType()).isEqualTo(PanelContent.VIEW_TYPE_SLIDER_LARGE_ICON);
+    }
 }

tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java

@@ -17,6 +17,7 @@
 package com.android.settings.panel;
 
 import static com.android.settings.panel.PanelContent.VIEW_TYPE_SLIDER;
+import static com.android.settings.panel.PanelContent.VIEW_TYPE_SLIDER_LARGE_ICON;
 import static com.android.settings.panel.PanelSlicesAdapter.MAX_NUM_OF_SLICES;
 import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_GROUP_SLICE_URI;
 import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_INDICATOR_SLICE_URI;
@@ -206,6 +207,19 @@ public class PanelSlicesAdapterTest {
         assertThat(intArgumentCaptor.getValue()).isEqualTo(R.layout.panel_slice_slider_row);
     }
 
+    @Test
+    public void onCreateViewHolder_viewTypeSliderLargeIcon_verifyLayout() {
+        final PanelSlicesAdapter adapter = new PanelSlicesAdapter(mPanelFragment, mData, 0);
+        final ViewGroup view = new FrameLayout(mContext);
+        final ArgumentCaptor<Integer> intArgumentCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        adapter.onCreateViewHolder(view, VIEW_TYPE_SLIDER_LARGE_ICON);
+
+        verify(sLayoutInflater).inflate(intArgumentCaptor.capture(), eq(view), eq(false));
+        assertThat(intArgumentCaptor.getValue()).isEqualTo(
+                R.layout.panel_slice_slider_row_large_icon);
+    }
+
     @Test
     public void onCreateViewHolder_viewTypeDefault_verifyLayout() {
         final PanelSlicesAdapter adapter =

tests/robotests/src/com/android/settings/panel/VolumePanelTest.java

@@ -70,4 +70,9 @@ public class VolumePanelTest {
     public void getSeeMoreIntent_notNull() {
         assertThat(mPanel.getSeeMoreIntent()).isNotNull();
     }
+
+    @Test
+    public void getViewType_checkType() {
+        assertThat(mPanel.getViewType()).isEqualTo(PanelContent.VIEW_TYPE_SLIDER);
+    }
 }