Redesign the ContextMenu to meet matrial spec

The new ContextMenu follows the following spec.
https://m3.material.io/components/menus/specs#cd6409d5-9523-4099-9db7-42d1e1d2d194

The new ContextMenu is implemented behind the feature flag and it is
off by default.

Bug: 240385199
Test: Manually done
Change-Id: I7c5c05899bd4cfb8678aafd2e50c53d84cdd43c7

core/java/com/android/internal/view/menu/CascadingMenuPopup.java

@@ -5,12 +5,14 @@ import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.StyleRes;
+import android.app.AppGlobals;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Rect;
 import android.os.Handler;
 import android.os.Parcelable;
 import android.os.SystemClock;
+import android.text.TextFlags;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -46,8 +48,6 @@ import java.util.List;
  */
 final class CascadingMenuPopup extends MenuPopup implements MenuPresenter, OnKeyListener,
         PopupWindow.OnDismissListener {
-    private static final int ITEM_LAYOUT = com.android.internal.R.layout.cascading_menu_item_layout;
-
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({HORIZ_POSITION_LEFT, HORIZ_POSITION_RIGHT})
     public @interface HorizPosition {}
@@ -190,6 +190,7 @@ final class CascadingMenuPopup extends MenuPopup implements MenuPresenter, OnKey
     private Callback mPresenterCallback;
     private ViewTreeObserver mTreeObserver;
     private PopupWindow.OnDismissListener mOnDismissListener;
+    private final int mItemLayout;
 
     /** Whether popup menus should disable exit animations when closing. */
     private boolean mShouldCloseImmediately;
@@ -215,6 +216,12 @@ final class CascadingMenuPopup extends MenuPopup implements MenuPresenter, OnKey
                 res.getDimensionPixelSize(com.android.internal.R.dimen.config_prefDialogWidth));
 
         mSubMenuHoverHandler = new Handler();
+
+        mItemLayout = AppGlobals.getIntCoreSetting(
+                TextFlags.KEY_ENABLE_NEW_CONTEXT_MENU,
+                TextFlags.ENABLE_NEW_CONTEXT_MENU_DEFAULT ? 1 : 0) != 0
+                ? com.android.internal.R.layout.cascading_menu_item_layout_material
+                : com.android.internal.R.layout.cascading_menu_item_layout;
     }
 
     @Override
@@ -348,7 +355,7 @@ final class CascadingMenuPopup extends MenuPopup implements MenuPresenter, OnKey
      */
     private void showMenu(@NonNull MenuBuilder menu) {
         final LayoutInflater inflater = LayoutInflater.from(mContext);
-        final MenuAdapter adapter = new MenuAdapter(menu, inflater, mOverflowOnly, ITEM_LAYOUT);
+        final MenuAdapter adapter = new MenuAdapter(menu, inflater, mOverflowOnly, mItemLayout);
 
         // Apply "force show icon" setting. There are 3 cases:
         // (1) This is the top level menu and icon spacing is forced. Add spacing.

core/java/com/android/internal/view/menu/ListMenuItemView.java

@@ -16,12 +16,12 @@
 
 package com.android.internal.view.menu;
 
-import com.android.internal.R;
-
+import android.app.AppGlobals;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.text.TextFlags;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -61,6 +61,8 @@ public class ListMenuItemView extends LinearLayout
 
     private int mMenuType;
 
+    private boolean mUseNewContextMenu;
+
     private LayoutInflater mInflater;
 
     private boolean mForceShowIcon;
@@ -87,6 +89,10 @@ public class ListMenuItemView extends LinearLayout
 
         a.recycle();
         b.recycle();
+
+        mUseNewContextMenu = AppGlobals.getIntCoreSetting(
+                TextFlags.KEY_ENABLE_NEW_CONTEXT_MENU,
+                TextFlags.ENABLE_NEW_CONTEXT_MENU_DEFAULT ? 1 : 0) != 0;
     }
 
     public ListMenuItemView(Context context, AttributeSet attrs, int defStyleAttr) {
@@ -283,7 +289,9 @@ public class ListMenuItemView extends LinearLayout
 
     private void insertIconView() {
         LayoutInflater inflater = getInflater();
-        mIconView = (ImageView) inflater.inflate(com.android.internal.R.layout.list_menu_item_icon,
+        mIconView = (ImageView) inflater.inflate(
+                mUseNewContextMenu ? com.android.internal.R.layout.list_menu_item_fixed_size_icon :
+                        com.android.internal.R.layout.list_menu_item_icon,
                 this, false);
         addContentView(mIconView, 0);
     }

core/res/res/layout/cascading_menu_item_layout_material.xml

@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2023 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.
+-->
+
+<!-- Keep in sync with popup_menu_item_layout.xml (which only differs in the title and shortcut
+    position). -->
+<com.android.internal.view.menu.ListMenuItemView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minWidth="112dip"
+    android:maxWidth="280dip"
+    android:orientation="vertical" >
+
+    <ImageView
+        android:id="@+id/group_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dip"
+        android:layout_marginTop="8dip"
+        android:layout_marginBottom="8dip"
+        android:background="@drawable/list_divider_material" />
+
+    <LinearLayout
+        android:id="@+id/content"
+        android:layout_width="match_parent"
+        android:layout_height="48dip"
+        android:layout_marginStart="12dip"
+        android:layout_marginEnd="12dip"
+        android:duplicateParentState="true" >
+
+        <!-- Icon will be inserted here. -->
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="6dip"
+            android:textAppearance="?attr/textAppearanceLargePopupMenu"
+            android:singleLine="true"
+            android:duplicateParentState="true"
+            android:textAlignment="viewStart" />
+
+        <Space
+            android:layout_width="0dip"
+            android:layout_height="1dip"
+            android:layout_weight="1"/>
+
+        <TextView
+            android:id="@+id/shortcut"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="16dip"
+            android:textAppearance="?attr/textAppearanceSmallPopupMenu"
+            android:singleLine="true"
+            android:duplicateParentState="true"
+            android:textAlignment="viewEnd" />
+
+        <ImageView
+            android:id="@+id/submenuarrow"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginStart="8dp"
+            android:scaleType="center"
+            android:visibility="gone" />
+
+        <!-- Checkbox, and/or radio button will be inserted here. -->
+
+    </LinearLayout>
+
+</com.android.internal.view.menu.ListMenuItemView>

core/res/res/layout/list_menu_item_fixed_size_icon.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2023 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.
+-->
+
+<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/icon"
+    android:layout_width="24dp"
+    android:layout_height="24dp"
+    android:layout_gravity="center_vertical"
+    android:layout_marginStart="0dip"
+    android:layout_marginEnd="6dip"
+    android:layout_marginTop="0dip"
+    android:layout_marginBottom="0dip"
+    android:scaleType="centerInside"
+    android:duplicateParentState="true" />
+

core/res/res/values/symbols.xml

@@ -1475,6 +1475,7 @@
   <java-symbol type="layout" name="action_mode_close_item" />
   <java-symbol type="layout" name="alert_dialog" />
   <java-symbol type="layout" name="cascading_menu_item_layout" />
+  <java-symbol type="layout" name="cascading_menu_item_layout_material" />
   <java-symbol type="layout" name="choose_account" />
   <java-symbol type="layout" name="choose_account_row" />
   <java-symbol type="layout" name="choose_account_type" />
@@ -1524,6 +1525,7 @@
   <java-symbol type="layout" name="list_content_simple" />
   <java-symbol type="layout" name="list_menu_item_checkbox" />
   <java-symbol type="layout" name="list_menu_item_icon" />
+  <java-symbol type="layout" name="list_menu_item_fixed_size_icon" />
   <java-symbol type="layout" name="list_menu_item_layout" />
   <java-symbol type="layout" name="list_menu_item_radio" />
   <java-symbol type="layout" name="locale_picker_item" />