Handling multiple profiles for PK layout selection

1. Use new @hide IMM#getEnabledInputMethodSubtypeListAsUser()
2. Use ProfileSelectFragment

Demo: https://screencast.googleplex.com/cast/NjMzNTA2NTA2NDczNDcyMHwxNTUyMjQ1ZS03YQ

Bug: 275106096
Test: manual
Change-Id: I51cfd16fc7162e2b24782017b9366b0aad36f915

src/com/android/settings/dashboard/profileselector/ProfileFragmentBridge.java

@@ -22,6 +22,7 @@ import com.android.settings.accounts.AccountDashboardFragment;
 import com.android.settings.applications.manageapplications.ManageApplications;
 import com.android.settings.deviceinfo.StorageDashboardFragment;
 import com.android.settings.inputmethod.AvailableVirtualKeyboardFragment;
+import com.android.settings.inputmethod.NewKeyboardLayoutEnabledLocalesFragment;
 import com.android.settings.location.LocationServices;
 
 import java.util.Map;
@@ -49,5 +50,7 @@ public class ProfileFragmentBridge {
                 ProfileSelectStorageFragment.class.getName());
         FRAGMENT_MAP.put(AvailableVirtualKeyboardFragment.class.getName(),
                 ProfileSelectKeyboardFragment.class.getName());
+        FRAGMENT_MAP.put(NewKeyboardLayoutEnabledLocalesFragment.class.getName(),
+                ProfileSelectPhysicalKeyboardFragment.class.getName());
     }
 }

src/com/android/settings/dashboard/profileselector/ProfileSelectPhysicalKeyboardFragment.java

@@ -0,0 +1,72 @@
+/*
+ * 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 com.android.settings.dashboard.profileselector;
+
+import android.hardware.input.InputDeviceIdentifier;
+import android.os.Bundle;
+import android.provider.Settings;
+
+import androidx.fragment.app.Fragment;
+
+import com.android.settings.R;
+import com.android.settings.inputmethod.NewKeyboardLayoutEnabledLocalesFragment;
+
+/**
+ * When current user has work profile, this fragment used following fragments to represent the
+ * enabled IMEs keyboard layout settings page.
+ *
+ * <p>{@link NewKeyboardLayoutEnabledLocalesFragment} used to show both of personal/work user
+ * enabled IMEs and their physical keyboard layouts.</p>
+ */
+public final class ProfileSelectPhysicalKeyboardFragment extends ProfileSelectFragment {
+
+    private InputDeviceIdentifier mInputDeviceIdentifier;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        Bundle arguments = getArguments();
+        mInputDeviceIdentifier =
+                arguments.getParcelable(Settings.EXTRA_INPUT_DEVICE_IDENTIFIER);
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.keyboard_settings_enabled_locales_list;
+    }
+
+    @Override
+    public Fragment[] getFragments() {
+        final Bundle personalOnly = new Bundle();
+        personalOnly.putInt(EXTRA_PROFILE, ProfileType.PERSONAL);
+        final Fragment personalFragment = new NewKeyboardLayoutEnabledLocalesFragment();
+        personalOnly.putParcelable(
+                Settings.EXTRA_INPUT_DEVICE_IDENTIFIER, mInputDeviceIdentifier);
+        personalFragment.setArguments(personalOnly);
+
+        final Bundle workOnly = new Bundle();
+        workOnly.putInt(EXTRA_PROFILE, ProfileType.WORK);
+        final Fragment workFragment = new NewKeyboardLayoutEnabledLocalesFragment();
+        workOnly.putParcelable(Settings.EXTRA_INPUT_DEVICE_IDENTIFIER, mInputDeviceIdentifier);
+        workFragment.setArguments(workOnly);
+
+        return new Fragment[]{
+                personalFragment,
+                workFragment
+        };
+    }
+}

src/com/android/settings/inputmethod/NewKeyboardLayoutEnabledLocalesFragment.java

@@ -23,6 +23,7 @@ import android.hardware.input.InputManager;
 import android.hardware.input.KeyboardLayout;
 import android.os.Bundle;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.util.Log;
 import android.view.InputDevice;
 import android.view.inputmethod.InputMethodInfo;
@@ -34,8 +35,10 @@ import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
+import com.android.settings.Utils;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.dashboard.profileselector.ProfileSelectFragment;
 import com.android.settings.inputmethod.NewKeyboardSettingsUtils.KeyboardInfo;
 
 import java.util.ArrayList;
@@ -56,6 +59,39 @@ public class NewKeyboardLayoutEnabledLocalesFragment extends DashboardFragment
     private Context mContext;
     private ArrayList<KeyboardInfo> mKeyboardInfoList = new ArrayList<>();
 
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+
+        mContext = context;
+        final int profileType = getArguments().getInt(ProfileSelectFragment.EXTRA_PROFILE);
+        final int currentUserId = UserHandle.myUserId();
+        final int newUserId;
+        final UserManager userManager = mContext.getSystemService(UserManager.class);
+
+        switch (profileType) {
+            case ProfileSelectFragment.ProfileType.WORK: {
+                // If the user is a managed profile user, use currentUserId directly. Or get the
+                // managed profile userId instead.
+                newUserId = userManager.isManagedProfile()
+                        ? currentUserId : Utils.getManagedProfileId(userManager, currentUserId);
+                break;
+            }
+            case ProfileSelectFragment.ProfileType.PERSONAL: {
+                final UserHandle primaryUser = userManager.getPrimaryUser().getUserHandle();
+                newUserId = primaryUser.getIdentifier();
+                break;
+            }
+            default:
+                newUserId = currentUserId;
+        }
+
+        mUserId = newUserId;
+        mIm = mContext.getSystemService(InputManager.class);
+        mImm = mContext.getSystemService(InputMethodManager.class);
+        mInputDeviceId = -1;
+    }
+
     @Override
     public void onActivityCreated(final Bundle icicle) {
         super.onActivityCreated(icicle);
@@ -74,13 +110,39 @@ public class NewKeyboardLayoutEnabledLocalesFragment extends DashboardFragment
         }
         final String title = inputDevice.getName();
         getActivity().setTitle(title);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        mIm.registerInputDeviceListener(this, null);
+        InputDevice inputDevice =
+                NewKeyboardSettingsUtils.getInputDevice(mIm, mInputDeviceIdentifier);
+        if (inputDevice == null) {
+            getActivity().finish();
+            return;
+        }
+        mInputDeviceId = inputDevice.getId();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
         updateCheckedState();
     }
 
+    @Override
+    public void onStop() {
+        super.onStop();
+        mIm.unregisterInputDeviceListener(this);
+        mInputDeviceId = -1;
+    }
+
     private void updateCheckedState() {
         if (NewKeyboardSettingsUtils.getInputDevice(mIm, mInputDeviceIdentifier) == null) {
             return;
         }
+
         PreferenceScreen preferenceScreen = getPreferenceScreen();
         preferenceScreen.removeAll();
         List<InputMethodInfo> infoList = mImm.getEnabledInputMethodListAsUser(mUserId);
@@ -95,7 +157,7 @@ public class NewKeyboardLayoutEnabledLocalesFragment extends DashboardFragment
         for (InputMethodInfo info : infoList) {
             mKeyboardInfoList.clear();
             List<InputMethodSubtype> subtypes =
-                    mImm.getEnabledInputMethodSubtypeList(info, true);
+                    mImm.getEnabledInputMethodSubtypeListAsUser(info.getId(), true, mUserId);
             for (InputMethodSubtype subtype : subtypes) {
                 if (subtype.isSuitableForPhysicalKeyboardLayoutMapping()) {
                     mapLanguageWithLayout(info, subtype);
@@ -188,42 +250,6 @@ public class NewKeyboardLayoutEnabledLocalesFragment extends DashboardFragment
         }
     }
 
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        mContext = getContext();
-        mIm = mContext.getSystemService(InputManager.class);
-        mImm = mContext.getSystemService(InputMethodManager.class);
-        mInputDeviceId = -1;
-        mUserId = UserHandle.myUserId();
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        mIm.registerInputDeviceListener(this, null);
-        InputDevice inputDevice =
-                NewKeyboardSettingsUtils.getInputDevice(mIm, mInputDeviceIdentifier);
-        if (inputDevice == null) {
-            getActivity().finish();
-            return;
-        }
-        mInputDeviceId = inputDevice.getId();
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-        mIm.unregisterInputDeviceListener(this);
-        mInputDeviceId = -1;
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        updateCheckedState();
-    }
-
     @Override
     protected String getLogTag() {
         return TAG;