Removing the guest fragment since it doesn't display any relevant information
at the moment.

Guest will still be displayed in Settings in the list of users,
but won't be clickable.

Change-Id: Iee2691113d69e4743c273c727ef588bfb2efaf7b
Fixes:112482395
Test: emulator
diff --git a/src/com/android/car/settings/users/GuestFragment.java b/src/com/android/car/settings/users/GuestFragment.java
deleted file mode 100644
index 611d548..0000000
--- a/src/com/android/car/settings/users/GuestFragment.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2018 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.car.settings.users;
-
-import android.car.user.CarUserManagerHelper;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-import androidx.car.widget.ListItem;
-import androidx.car.widget.ListItemProvider;
-import androidx.car.widget.TextListItem;
-
-import com.android.car.settings.R;
-import com.android.car.settings.common.ListItemSettingsFragment;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Shows details for a guest session, including ability to switch to guest.
- */
-public class GuestFragment extends ListItemSettingsFragment {
-    private CarUserManagerHelper mCarUserManagerHelper;
-    private ListItemProvider mItemProvider;
-    private UserIconProvider mUserIconProvider;
-
-    /**
-     * Create new GuestFragment instance.
-     */
-    public static GuestFragment newInstance() {
-        GuestFragment guestFragment = new GuestFragment();
-        Bundle bundle = ListItemSettingsFragment.getBundle();
-        bundle.putInt(EXTRA_TITLE_ID, R.string.user_details_title);
-        bundle.putInt(EXTRA_ACTION_BAR_LAYOUT, R.layout.action_bar_with_button);
-        guestFragment.setArguments(bundle);
-        return guestFragment;
-    }
-
-    @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
-        mCarUserManagerHelper = new CarUserManagerHelper(getContext());
-        mUserIconProvider = new UserIconProvider(mCarUserManagerHelper);
-        mItemProvider = new ListItemProvider.ListProvider(getListItems());
-
-        // Super class's onActivityCreated need to be called after mItemProvider is initialized.
-        // Because getItemProvider is called in there.
-        super.onActivityCreated(savedInstanceState);
-
-        showSwitchButton();
-    }
-
-    private void showSwitchButton() {
-        Button switchUserBtn = (Button) getActivity().findViewById(R.id.action_button1);
-        // If the current process is not allowed to switch to another user, doe not show the switch
-        // button.
-        if (!mCarUserManagerHelper.canCurrentProcessSwitchUsers()) {
-            switchUserBtn.setVisibility(View.GONE);
-            return;
-        }
-        switchUserBtn.setVisibility(View.VISIBLE);
-        switchUserBtn.setText(R.string.user_switch);
-        switchUserBtn.setOnClickListener(v -> {
-            getActivity().onBackPressed();
-            mCarUserManagerHelper.startNewGuestSession(getContext().getString(R.string.user_guest));
-        });
-    }
-
-    private List<ListItem> getListItems() {
-        Drawable icon = mUserIconProvider.getDefaultGuestIcon(getContext());
-
-        TextListItem item = new TextListItem(getContext());
-        item.setPrimaryActionIcon(icon, /* useLargeIcon= */ false);
-        item.setTitle(getContext().getString(R.string.user_guest));
-
-        List<ListItem> items = new ArrayList<>();
-        items.add(item);
-        return items;
-    }
-
-    @Override
-    public ListItemProvider getItemProvider() {
-        return mItemProvider;
-    }
-}
diff --git a/src/com/android/car/settings/users/UsersItemProvider.java b/src/com/android/car/settings/users/UsersItemProvider.java
index 578cade..b060a6f 100644
--- a/src/com/android/car/settings/users/UsersItemProvider.java
+++ b/src/com/android/car/settings/users/UsersItemProvider.java
@@ -85,9 +85,6 @@
         TextListItem item = new TextListItem(mContext);
         item.setPrimaryActionIcon(icon, /* useLargeIcon= */ false);
         item.setTitle(mContext.getString(R.string.user_guest));
-
-        item.setOnClickListener(view -> mUserClickListener.onGuestClicked());
-        item.setSupplementalIcon(R.drawable.ic_chevron_right, false);
         return item;
     }
 
@@ -101,10 +98,5 @@
          * @param userInfo User for which the click is registered.
          */
         void onUserClicked(UserInfo userInfo);
-
-        /**
-         * Invoked when guest is clicked.
-         */
-        void onGuestClicked();
     }
 }
diff --git a/src/com/android/car/settings/users/UsersListFragment.java b/src/com/android/car/settings/users/UsersListFragment.java
index 25a27fe..a65a8ed 100644
--- a/src/com/android/car/settings/users/UsersListFragment.java
+++ b/src/com/android/car/settings/users/UsersListFragment.java
@@ -158,11 +158,6 @@
     }
 
     @Override
-    public void onGuestClicked() {
-        getFragmentController().launchFragment(GuestFragment.newInstance());
-    }
-
-    @Override
     public ListItemProvider getItemProvider() {
         return mItemProvider;
     }
diff --git a/tests/robotests/src/com/android/car/settings/users/UsersItemProviderTest.java b/tests/robotests/src/com/android/car/settings/users/UsersItemProviderTest.java
index 6168379..6c7ddbd 100644
--- a/tests/robotests/src/com/android/car/settings/users/UsersItemProviderTest.java
+++ b/tests/robotests/src/com/android/car/settings/users/UsersItemProviderTest.java
@@ -135,20 +135,6 @@
         verify(mUserClickListener).onUserClicked(otherUsers.get(0));
     }
 
-    @Test
-    public void testClickOnGuestInvokesOnGuestClicked() {
-        UserInfo currentUser = new UserInfo(/* id= */ 11, "User 11", /* flags= */ 0);
-        doReturn(currentUser).when(mCarUserManagerHelper).getCurrentProcessUserInfo();
-
-        UsersItemProvider provider = createProvider();
-
-        // Clicking on guest user invokes OnGuestClicked.
-        ShadowTextListItem guestListItem = getItem(provider, 1);
-        guestListItem.getOnClickListener().onClick(new View(application.getApplicationContext()));
-        verify(mUserClickListener).onGuestClicked();
-    }
-
-
     private UsersItemProvider createProvider() {
         return new UsersItemProvider(RuntimeEnvironment.application.getApplicationContext(),
                 mUserClickListener, mCarUserManagerHelper);
diff --git a/tests/robotests/src/com/android/car/settings/users/UsersListFragmentTest.java b/tests/robotests/src/com/android/car/settings/users/UsersListFragmentTest.java
index 879844d..612115e 100644
--- a/tests/robotests/src/com/android/car/settings/users/UsersListFragmentTest.java
+++ b/tests/robotests/src/com/android/car/settings/users/UsersListFragmentTest.java
@@ -143,16 +143,6 @@
                 .findFragmentById(R.id.fragment_container)).isNotNull();
     }
 
-    /* Test that clicking on a guest invokes user details fragment. */
-    @Test
-    public void testOnGuestClicked() {
-        createUsersListFragment();
-        mFragment.onGuestClicked();
-
-        assertThat((GuestFragment) mFragment.getFragmentManager()
-                .findFragmentById(R.id.fragment_container)).isNotNull();
-    }
-
     private void createUsersListFragment(UserInfo userInfo) {
         UserInfo testUser = userInfo == null ? new UserInfo() : userInfo;