Remove deprecated toolbar setState usages

It seems using this in conjunction with the setNavButtonMode method is
unessary and can create some undesireable behavior in certain cases.

Bug: 189842213
Test: manual, atest CarSettingsUnitTests
Change-Id: I2237be73c007ff8112e3223be259a8bc93900b8f
diff --git a/src/com/android/car/settings/common/BaseCarSettingsActivity.java b/src/com/android/car/settings/common/BaseCarSettingsActivity.java
index b9840f8..ff0874d 100644
--- a/src/com/android/car/settings/common/BaseCarSettingsActivity.java
+++ b/src/com/android/car/settings/common/BaseCarSettingsActivity.java
@@ -51,7 +51,7 @@
 import com.android.car.ui.baselayout.InsetsChangedListener;
 import com.android.car.ui.core.CarUi;
 import com.android.car.ui.toolbar.MenuItem;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 import com.android.car.ui.toolbar.ToolbarController;
 import com.android.settingslib.core.lifecycle.HideNonSystemOverlayMixin;
 
@@ -375,7 +375,7 @@
                         insets.getLeft(), insets.getTop(), insets.getRight(),
                         insets.getBottom()), /* hasToolbar= */ true);
         if (mIsSinglePane) {
-            mGlobalToolbar.setState(Toolbar.State.SUBPAGE);
+            mGlobalToolbar.setNavButtonMode(NavButtonMode.BACK);
             findViewById(R.id.top_level_menu_container).setVisibility(View.GONE);
             findViewById(R.id.top_level_divider).setVisibility(View.GONE);
             return;
@@ -395,7 +395,7 @@
         List<MenuItem> items = Collections.singletonList(searchButton);
 
         mGlobalToolbar.setTitle(R.string.settings_label);
-        mGlobalToolbar.setState(Toolbar.State.HOME);
+        mGlobalToolbar.setNavButtonMode(NavButtonMode.DISABLED);
         mGlobalToolbar.setLogo(R.drawable.ic_launcher_settings);
         mGlobalToolbar.setMenuItems(items);
     }
@@ -405,10 +405,9 @@
             return;
         }
         if (getSupportFragmentManager().getBackStackEntryCount() > 1 || !isTaskRoot()) {
-            mMiniToolbar.setState(Toolbar.State.SUBPAGE);
-            mMiniToolbar.setNavButtonMode(Toolbar.NavButtonMode.BACK);
+            mMiniToolbar.setNavButtonMode(NavButtonMode.BACK);
         } else {
-            mMiniToolbar.setState(Toolbar.State.HOME);
+            mMiniToolbar.setNavButtonMode(NavButtonMode.DISABLED);
         }
     }
 
diff --git a/src/com/android/car/settings/common/BaseFragment.java b/src/com/android/car/settings/common/BaseFragment.java
index a759670..24e5225 100644
--- a/src/com/android/car/settings/common/BaseFragment.java
+++ b/src/com/android/car/settings/common/BaseFragment.java
@@ -33,7 +33,7 @@
 
 import com.android.car.settings.R;
 import com.android.car.ui.toolbar.MenuItem;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 import com.android.car.ui.toolbar.ToolbarController;
 
 import java.util.List;
@@ -95,12 +95,8 @@
         return null;
     }
 
-    protected Toolbar.State getToolbarState() {
-        return Toolbar.State.SUBPAGE;
-    }
-
-    protected Toolbar.NavButtonMode getToolbarNavButtonStyle() {
-        return Toolbar.NavButtonMode.BACK;
+    protected NavButtonMode getToolbarNavButtonStyle() {
+        return NavButtonMode.BACK;
     }
 
     protected final ToolbarController getToolbar() {
@@ -142,7 +138,6 @@
             toolbar.setTitle(getTitleId());
             toolbar.setMenuItems(items);
             if (getActivity().getIntent().getBooleanExtra(META_DATA_KEY_SINGLE_PANE, false)) {
-                toolbar.setState(getToolbarState());
                 toolbar.setNavButtonMode(getToolbarNavButtonStyle());
             }
         }
diff --git a/src/com/android/car/settings/common/SettingsFragment.java b/src/com/android/car/settings/common/SettingsFragment.java
index f0872ea..425bb01 100644
--- a/src/com/android/car/settings/common/SettingsFragment.java
+++ b/src/com/android/car/settings/common/SettingsFragment.java
@@ -48,7 +48,7 @@
 import com.android.car.ui.preference.PreferenceFragment;
 import com.android.car.ui.recyclerview.CarUiRecyclerView;
 import com.android.car.ui.toolbar.MenuItem;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 import com.android.car.ui.toolbar.ToolbarController;
 import com.android.car.ui.utils.CarUiUtils;
 import com.android.settingslib.search.Indexable;
@@ -228,8 +228,7 @@
         toolbar.setMenuItems(items);
         toolbar.setLogo(null);
         if (getActivity().getIntent().getBooleanExtra(META_DATA_KEY_SINGLE_PANE, false)) {
-            toolbar.setState(Toolbar.State.SUBPAGE);
-            toolbar.setNavButtonMode(Toolbar.NavButtonMode.BACK);
+            toolbar.setNavButtonMode(NavButtonMode.BACK);
         }
     }
 
diff --git a/src/com/android/car/settings/home/HomepageFragment.java b/src/com/android/car/settings/home/HomepageFragment.java
index 0a9be97..077769b 100644
--- a/src/com/android/car/settings/home/HomepageFragment.java
+++ b/src/com/android/car/settings/home/HomepageFragment.java
@@ -28,7 +28,7 @@
 import com.android.car.settings.R;
 import com.android.car.settings.common.SettingsFragment;
 import com.android.car.ui.toolbar.MenuItem;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 import com.android.car.ui.toolbar.ToolbarController;
 
 import java.util.Collections;
@@ -77,13 +77,13 @@
         super.setupToolbar(toolbar);
         // If the fragment is root, change the back button to settings icon.
         if (!getContext().getResources().getBoolean(R.bool.config_is_quick_settings_root)) {
-            toolbar.setState(Toolbar.State.HOME);
+            toolbar.setNavButtonMode(NavButtonMode.DISABLED);
             toolbar.setLogo(getContext().getResources()
                     .getBoolean(R.bool.config_show_settings_root_exit_icon)
                     ? R.drawable.ic_launcher_settings
                     : 0);
         } else {
-            toolbar.setState(Toolbar.State.SUBPAGE);
+            toolbar.setNavButtonMode(NavButtonMode.BACK);
         }
     }
 
diff --git a/src/com/android/car/settings/quicksettings/QuickSettingFragment.java b/src/com/android/car/settings/quicksettings/QuickSettingFragment.java
index 335ecd4..c3ca24b 100644
--- a/src/com/android/car/settings/quicksettings/QuickSettingFragment.java
+++ b/src/com/android/car/settings/quicksettings/QuickSettingFragment.java
@@ -42,7 +42,7 @@
 import com.android.car.settings.profiles.ProfileIconProvider;
 import com.android.car.settings.profiles.ProfileSwitcherActivity;
 import com.android.car.ui.toolbar.MenuItem;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 
 import java.util.Arrays;
 import java.util.List;
@@ -101,18 +101,13 @@
 
 
     @Override
-    protected Toolbar.NavButtonMode getToolbarNavButtonStyle() {
-        return Toolbar.NavButtonMode.CLOSE;
-    }
-
-    @Override
-    protected Toolbar.State getToolbarState() {
+    protected NavButtonMode getToolbarNavButtonStyle() {
         if (getContext().getResources().getBoolean(R.bool.config_is_quick_settings_root)
                 && !getContext().getResources()
                 .getBoolean(R.bool.config_show_settings_root_exit_icon)) {
-            return Toolbar.State.HOME;
+            return NavButtonMode.DISABLED;
         } else {
-            return Toolbar.State.SUBPAGE;
+            return NavButtonMode.CLOSE;
         }
     }
 
diff --git a/tests/robotests/res/values/config.xml b/tests/robotests/res/values/config.xml
index d199989..3491454 100644
--- a/tests/robotests/res/values/config.xml
+++ b/tests/robotests/res/values/config.xml
@@ -20,6 +20,4 @@
     <string name="config_defaultAssistantComponentName" translatable="false">#+UNSET</string>
     <!-- Whether exit button in settings' root action bar should be shown or not -->
     <bool name="config_show_settings_root_exit_icon">true</bool>
-    <!-- Whether the dummy fragment should be root -->
-    <bool name="config_is_dummy_fragment_root">true</bool>
 </resources>
diff --git a/tests/robotests/src/com/android/car/settings/testutils/DummyFragment.java b/tests/robotests/src/com/android/car/settings/testutils/DummyFragment.java
deleted file mode 100644
index 8fbaa57..0000000
--- a/tests/robotests/src/com/android/car/settings/testutils/DummyFragment.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (C) 2019 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.testutils;
-
-import android.os.Bundle;
-
-import com.android.car.settings.R;
-import com.android.car.settings.common.SettingsFragment;
-import com.android.car.ui.toolbar.Toolbar;
-import com.android.car.ui.toolbar.ToolbarController;
-
-/**
- * Empty Fragment.
- */
-public class DummyFragment extends SettingsFragment {
-    @Override
-    protected int getPreferenceScreenResId() {
-        return R.xml.settings_fragment;
-    }
-
-    @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
-        super.onActivityCreated(savedInstanceState);
-        ToolbarController toolbar = getToolbar();
-        if (toolbar != null) {
-            // If the fragment is root, change the back button to settings icon.
-            if (getContext().getResources().getBoolean(R.bool.config_is_dummy_fragment_root)) {
-                toolbar.setState(Toolbar.State.HOME);
-                toolbar.setLogo(getContext().getResources()
-                        .getBoolean(R.bool.config_show_settings_root_exit_icon)
-                        ? R.drawable.ic_launcher_settings
-                        : 0);
-            } else {
-                toolbar.setState(Toolbar.State.SUBPAGE);
-            }
-        }
-    }
-}
diff --git a/tests/unit/src/com/android/car/settings/common/DualPaneBaseCarSettingsActivityTest.java b/tests/unit/src/com/android/car/settings/common/DualPaneBaseCarSettingsActivityTest.java
index c1f714a..737199c 100644
--- a/tests/unit/src/com/android/car/settings/common/DualPaneBaseCarSettingsActivityTest.java
+++ b/tests/unit/src/com/android/car/settings/common/DualPaneBaseCarSettingsActivityTest.java
@@ -137,7 +137,8 @@
         });
         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
 
-        assertThat(toolbar.getState()).isEqualTo(Toolbar.State.HOME);
+        assertThat(toolbar.getNavButtonMode()).isEquivalentAccordingToCompareTo(
+                Toolbar.NavButtonMode.DISABLED);
 
         mActivityTestRule.runOnUiThread(() -> {
             BaseTestSettingsFragment fragment2 = new BaseTestSettingsFragment();
@@ -145,13 +146,13 @@
         });
         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
 
-        assertThat(toolbar.getState()).isEqualTo(Toolbar.State.SUBPAGE);
         assertThat(toolbar.getNavButtonMode()).isEqualTo(Toolbar.NavButtonMode.BACK);
 
         mActivityTestRule.runOnUiThread(() -> mActivity.goBack());
         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
 
-        assertThat(toolbar.getState()).isEqualTo(Toolbar.State.HOME);
+        assertThat(toolbar.getNavButtonMode()).isEquivalentAccordingToCompareTo(
+                Toolbar.NavButtonMode.DISABLED);
     }
 
     @Test
diff --git a/tests/unit/src/com/android/car/settings/common/SinglePaneSettingsFragmentTest.java b/tests/unit/src/com/android/car/settings/common/SinglePaneSettingsFragmentTest.java
index 08e0f29..3ef78ed 100644
--- a/tests/unit/src/com/android/car/settings/common/SinglePaneSettingsFragmentTest.java
+++ b/tests/unit/src/com/android/car/settings/common/SinglePaneSettingsFragmentTest.java
@@ -55,14 +55,14 @@
 
         ToolbarController toolbar = mActivity.getToolbar();
 
-        assertThat(toolbar.getState()).isEquivalentAccordingToCompareTo(Toolbar.State.HOME);
+        assertThat(toolbar.getNavButtonMode()).isEquivalentAccordingToCompareTo(
+                Toolbar.NavButtonMode.DISABLED);
     }
 
     @Test
     public void onActivityCreated_hasBackArrowIconIfNotRoot() {
         ToolbarController toolbar = mActivity.getToolbar();
 
-        assertThat(toolbar.getState()).isEquivalentAccordingToCompareTo(Toolbar.State.SUBPAGE);
         assertThat(toolbar.getNavButtonMode()).isEquivalentAccordingToCompareTo(
                 Toolbar.NavButtonMode.BACK);
     }
diff --git a/tests/unit/src/com/android/car/settings/testutils/RootTestSettingsFragment.java b/tests/unit/src/com/android/car/settings/testutils/RootTestSettingsFragment.java
index ddcd5fb..7b7f95e 100644
--- a/tests/unit/src/com/android/car/settings/testutils/RootTestSettingsFragment.java
+++ b/tests/unit/src/com/android/car/settings/testutils/RootTestSettingsFragment.java
@@ -19,7 +19,7 @@
 import android.os.Bundle;
 
 import com.android.car.settings.R;
-import com.android.car.ui.toolbar.Toolbar;
+import com.android.car.ui.toolbar.NavButtonMode;
 import com.android.car.ui.toolbar.ToolbarController;
 
 /**
@@ -38,13 +38,13 @@
         if (toolbar != null) {
             // If the fragment is root, change the back button to settings icon.
             if (getContext().getResources().getBoolean(R.bool.config_is_root_fragment_root)) {
-                toolbar.setState(Toolbar.State.HOME);
+                toolbar.setNavButtonMode(NavButtonMode.DISABLED);
                 toolbar.setLogo(getContext().getResources()
                         .getBoolean(R.bool.config_show_settings_root_exit_icon)
                         ? R.drawable.ic_launcher_settings
                         : 0);
             } else {
-                toolbar.setState(Toolbar.State.SUBPAGE);
+                toolbar.setNavButtonMode(NavButtonMode.BACK);
             }
         }
     }