Connect TextFlag feature flag to the application process

Bug: 240385199
Test: Manually done
Change-Id: I906260c2bd122bbf5fcad1e2231c643d77bbed8c

core/java/android/text/TextFlags.java

@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+package android.text;
+
+/**
+ * Flags in the "text" namespace.
+ *
+ * @hide
+ */
+public final class TextFlags {
+
+    /**
+     * The name space of the "text" feature.
+     *
+     * This needs to move to DeviceConfig constant.
+     */
+    public static final String NAMESPACE = "text";
+
+    /**
+     * Whether we use the new design of context menu.
+     */
+    public static final String ENABLE_NEW_CONTEXT_MENU =
+            "TextEditing__enable_new_context_menu";
+
+    /**
+     * The key name used in app core settings for {@link #ENABLE_NEW_CONTEXT_MENU}.
+     */
+    public static final String KEY_ENABLE_NEW_CONTEXT_MENU = "text__enable_new_context_menu";
+
+    /**
+     * Default value for the flag {@link #ENABLE_NEW_CONTEXT_MENU}.
+     */
+    public static final boolean ENABLE_NEW_CONTEXT_MENU_DEFAULT = false;
+
+}

core/java/android/widget/Editor.java

@@ -74,6 +74,7 @@ import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.SpannedString;
 import android.text.StaticLayout;
+import android.text.TextFlags;
 import android.text.TextUtils;
 import android.text.method.InsertModeTransformationMethod;
 import android.text.method.KeyListener;
@@ -169,9 +170,6 @@ public class Editor {
     private static final String TAG = "Editor";
     private static final boolean DEBUG_UNDO = false;
 
-    // TODO(nona): Make this configurable.
-    private static final boolean FLAG_USE_NEW_CONTEXT_MENU = false;
-
     // Specifies whether to use the magnifier when pressing the insertion or selection handles.
     private static final boolean FLAG_USE_MAGNIFIER = true;
 
@@ -470,6 +468,7 @@ public class Editor {
     private static final int LINE_CHANGE_SLOP_MIN_DP = 8;
     private int mLineChangeSlopMax;
     private int mLineChangeSlopMin;
+    private boolean mUseNewContextMenu;
 
     private final AccessibilitySmartActions mA11ySmartActions;
     private InsertModeController mInsertModeController;
@@ -500,6 +499,9 @@ public class Editor {
         mLineSlopRatio = AppGlobals.getFloatCoreSetting(
                 WidgetFlags.KEY_LINE_SLOP_RATIO,
                 WidgetFlags.LINE_SLOP_RATIO_DEFAULT);
+        mUseNewContextMenu = AppGlobals.getIntCoreSetting(
+                TextFlags.KEY_ENABLE_NEW_CONTEXT_MENU,
+                TextFlags.ENABLE_NEW_CONTEXT_MENU_DEFAULT ? 1 : 0) != 0;
         if (TextView.DEBUG_CURSOR) {
             logCursor("Editor", "Cursor drag from anywhere is %s.",
                     mFlagCursorDragFromAnywhereEnabled ? "enabled" : "disabled");
@@ -3171,7 +3173,7 @@ public class Editor {
         final int menuItemOrderSelectAll;
         final int menuItemOrderShare;
         final int menuItemOrderAutofill;
-        if (FLAG_USE_NEW_CONTEXT_MENU) {
+        if (mUseNewContextMenu) {
             menuItemOrderPasteAsPlainText = 7;
             menuItemOrderSelectAll = 8;
             menuItemOrderShare = 9;

services/core/java/com/android/server/am/CoreSettingsObserver.java

@@ -25,6 +25,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.provider.DeviceConfig;
 import android.provider.Settings;
+import android.text.TextFlags;
 import android.widget.WidgetFlags;
 
 import com.android.internal.R;
@@ -158,6 +159,11 @@ final class CoreSettingsObserver extends ContentObserver {
                 DeviceConfig.NAMESPACE_WIDGET, WidgetFlags.MAGNIFIER_ASPECT_RATIO,
                 WidgetFlags.KEY_MAGNIFIER_ASPECT_RATIO, float.class,
                 WidgetFlags.MAGNIFIER_ASPECT_RATIO_DEFAULT));
+
+        sDeviceConfigEntries.add(new DeviceConfigEntry<Boolean>(
+                TextFlags.NAMESPACE, TextFlags.ENABLE_NEW_CONTEXT_MENU,
+                TextFlags.KEY_ENABLE_NEW_CONTEXT_MENU, boolean.class,
+                TextFlags.ENABLE_NEW_CONTEXT_MENU_DEFAULT));
         // add other device configs here...
     }
     private static volatile boolean sDeviceConfigContextEntriesLoaded = false;