Refactor Work sounds in SoundSettings.

- final round of refactoring SoundSettings to use preference
  controller.
- add work sound controller to control all the work profile sound
  settings.

Change-Id: Ifa9f9c1f717ca292576f077311fe284325e12651
Fixes: 32276590
Test: make RunSettingsRoboTests

src/com/android/settings/notification/AudioHelper.java

@@ -16,8 +16,12 @@
 
 package com.android.settings.notification;
 
+import android.annotation.UserIdInt;
 import android.content.Context;
 import android.media.AudioSystem;
+import android.os.UserHandle;
+import android.os.UserManager;
+import com.android.settings.Utils;
 
 /**
  * Helper class to wrap API for testing
@@ -34,4 +38,11 @@ public class AudioHelper {
         return AudioSystem.isSingleVolume(mContext);
     }
 
+    public int getManagedProfileId(UserManager um) {
+        return Utils.getManagedProfileId(um, UserHandle.myUserId());
+    }
+
+    public Context createPackageContextAsUser(@UserIdInt int profileId) {
+        return Utils.createPackageContextAsUser(mContext, profileId);
+    }
 }

src/com/android/settings/notification/SoundSettings.java

@@ -16,45 +16,26 @@
 
 package com.android.settings.notification;
 
-import android.annotation.UserIdInt;
 import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.FragmentManager;
 import android.app.NotificationManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.media.AudioManager;
-import android.media.AudioSystem;
-import android.media.Ringtone;
-import android.media.RingtoneManager;
-import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
-import android.os.UserHandle;
-import android.os.UserManager;
 import android.preference.SeekBarVolumizer;
 import android.provider.SearchIndexableResource;
-import android.provider.Settings;
 import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.TwoStatePreference;
 import android.text.TextUtils;
-import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.RingtonePreference;
-import com.android.settings.DefaultRingtonePreference;
-import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.dashboard.SummaryLoader;
@@ -66,16 +47,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-public class SoundSettings extends DashboardFragment
+public class SoundSettings extends DashboardFragment {
-        implements OnPreferenceChangeListener {
     private static final String TAG = "SoundSettings";
 
-    private static final String KEY_WORK_CATEGORY = "sound_work_settings_section";
-    private static final String KEY_WORK_USE_PERSONAL_SOUNDS = "work_use_personal_sounds";
-    private static final String KEY_WORK_PHONE_RINGTONE = "work_ringtone";
-    private static final String KEY_WORK_NOTIFICATION_RINGTONE = "work_notification_ringtone";
-    private static final String KEY_WORK_ALARM_RINGTONE = "work_alarm_ringtone";
-
     private static final String SELECTED_PREFERENCE_KEY = "selected_preference";
     private static final int REQUEST_CODE = 200;
 
@@ -84,20 +58,9 @@ public class SoundSettings extends DashboardFragment
     private final VolumePreferenceCallback mVolumeCallback = new VolumePreferenceCallback();
     private final H mHandler = new H();
 
-    private Context mContext;
+    private WorkSoundPreferenceController mWorkSoundController;
-    private boolean mVoiceCapable;
-
-    private PreferenceGroup mWorkPreferenceCategory;
-    private TwoStatePreference mWorkUsePersonalSounds;
-    private Preference mWorkPhoneRingtonePreference;
-    private Preference mWorkNotificationRingtonePreference;
-    private Preference mWorkAlarmRingtonePreference;
-
-    private UserManager mUserManager;
     private RingtonePreference mRequestPreference;
 
-    private @UserIdInt int mManagedProfileId;
-
     @Override
     public int getMetricsCategory() {
         return MetricsEvent.SOUND;
@@ -106,10 +69,6 @@ public class SoundSettings extends DashboardFragment
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        mContext = getActivity();
-        mUserManager = UserManager.get(getContext());
-        mVoiceCapable = Utils.isVoiceCapable(mContext);
-
         if (savedInstanceState != null) {
             String selectedPreference = savedInstanceState.getString(SELECTED_PREFERENCE_KEY, null);
             if (!TextUtils.isEmpty(selectedPreference)) {
@@ -118,25 +77,6 @@ public class SoundSettings extends DashboardFragment
         }
     }
 
-    @Override
-    public void onResume() {
-        super.onResume();
-
-        mManagedProfileId = Utils.getManagedProfileId(mUserManager, UserHandle.myUserId());
-        if (mManagedProfileId != UserHandle.USER_NULL && shouldShowRingtoneSettings()) {
-            if ((mWorkPreferenceCategory == null)) {
-                // Work preferences not yet set
-                addPreferencesFromResource(R.xml.sound_work_settings);
-                initWorkPreferences();
-            }
-            if (!mWorkUsePersonalSounds.isChecked()) {
-                updateWorkRingtoneSummaries();
-            }
-        } else {
-            maybeRemoveWorkPreferences();
-        }
-    }
-
     @Override
     public void onPause() {
         super.onPause();
@@ -190,6 +130,10 @@ public class SoundSettings extends DashboardFragment
         controllers.add(new AlarmRingtonePreferenceController(context));
         controllers.add(new NotificationRingtonePreferenceController(context));
 
+        // === Work Sound Settings ===
+        mWorkSoundController = new WorkSoundPreferenceController(context, this, getLifecycle());
+        controllers.add(mWorkSoundController);
+
         return controllers;
     }
 
@@ -209,33 +153,6 @@ public class SoundSettings extends DashboardFragment
         }
     }
 
-    /**
-     * Updates the summary of work preferences
-     *
-     * This fragment only listens to changes on the work ringtone preferences, identified by keys
-     * "work_ringtone", "work_notification_ringtone" and "work_alarm_ringtone".
-     *
-     * Note: Changes to the personal ringtones aren't listened to this way because they were already
-     * handled using a {@link #SettingsObserver} ContentObserver. This wouldn't be appropriate for
-     * work settings since the Settings app runs on the personal user.
-     */
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        int ringtoneType;
-        if (KEY_WORK_PHONE_RINGTONE.equals(preference.getKey())) {
-            ringtoneType = RingtoneManager.TYPE_RINGTONE;
-        } else if (KEY_WORK_NOTIFICATION_RINGTONE.equals(preference.getKey())) {
-            ringtoneType = RingtoneManager.TYPE_NOTIFICATION;
-        } else if (KEY_WORK_ALARM_RINGTONE.equals(preference.getKey())) {
-            ringtoneType = RingtoneManager.TYPE_ALARM;
-        } else {
-            return true;
-        }
-
-        preference.setSummary(updateRingtoneName(getManagedProfileContext(), ringtoneType));
-        return true;
-    }
-
     // === Volumes ===
 
     final class VolumePreferenceCallback implements VolumeSeekBarPreference.Callback {
@@ -265,23 +182,6 @@ public class SoundSettings extends DashboardFragment
         }
     };
 
-
-    // === Phone & notification ringtone ===
-
-    private boolean shouldShowRingtoneSettings() {
-        return !AudioSystem.isSingleVolume(mContext);
-    }
-
-    private static CharSequence updateRingtoneName(Context context, int type) {
-        if (context == null) {
-            Log.e(TAG, "Unable to update ringtone name, no context provided");
-            return null;
-        }
-        Uri ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
-        return Ringtone.getTitle(context, ringtoneUri, false /* followSettingsUri */,
-                true /* allowRemote */);
-    }
-
     // === Callbacks ===
 
 
@@ -393,149 +293,9 @@ public class SoundSettings extends DashboardFragment
 
     // === Work Sound Settings ===
 
-    private Context getManagedProfileContext() {
+    void enableWorkSync() {
-        if (mManagedProfileId == UserHandle.USER_NULL) {
+        if (mWorkSoundController != null) {
-            return null;
+            mWorkSoundController.enableWorkSync();
-        }
-        return Utils.createPackageContextAsUser(mContext, mManagedProfileId);
-    }
-
-    private DefaultRingtonePreference initWorkPreference(String key) {
-        DefaultRingtonePreference pref =
-                (DefaultRingtonePreference) getPreferenceScreen().findPreference(key);
-        pref.setOnPreferenceChangeListener(this);
-
-        // Required so that RingtonePickerActivity lists the work profile ringtones
-        pref.setUserId(mManagedProfileId);
-        return pref;
-    }
-
-    private void initWorkPreferences() {
-        mWorkPreferenceCategory = (PreferenceGroup) getPreferenceScreen()
-                .findPreference(KEY_WORK_CATEGORY);
-        mWorkUsePersonalSounds = (TwoStatePreference) getPreferenceScreen()
-                .findPreference(KEY_WORK_USE_PERSONAL_SOUNDS);
-        mWorkPhoneRingtonePreference = initWorkPreference(KEY_WORK_PHONE_RINGTONE);
-        mWorkNotificationRingtonePreference = initWorkPreference(KEY_WORK_NOTIFICATION_RINGTONE);
-        mWorkAlarmRingtonePreference = initWorkPreference(KEY_WORK_ALARM_RINGTONE);
-
-        if (!mVoiceCapable) {
-            mWorkPreferenceCategory.removePreference(mWorkPhoneRingtonePreference);
-            mWorkPhoneRingtonePreference = null;
-        }
-
-        Context managedProfileContext = getManagedProfileContext();
-        if (Settings.Secure.getIntForUser(managedProfileContext.getContentResolver(),
-                Settings.Secure.SYNC_PARENT_SOUNDS, 0, mManagedProfileId) == 1) {
-            enableWorkSyncSettings();
-        } else {
-            disableWorkSyncSettings();
-        }
-
-        mWorkUsePersonalSounds.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
-            @Override
-            public boolean onPreferenceChange(Preference preference, Object newValue) {
-                if ((boolean) newValue) {
-                    UnifyWorkDialogFragment.show(SoundSettings.this);
-                    return false;
-                } else {
-                    disableWorkSync();
-                    return true;
-                }
-            }
-        });
-    }
-
-    private void enableWorkSync() {
-        RingtoneManager.enableSyncFromParent(getManagedProfileContext());
-        enableWorkSyncSettings();
-    }
-
-    private void enableWorkSyncSettings() {
-        mWorkUsePersonalSounds.setChecked(true);
-
-        if (mWorkPhoneRingtonePreference != null) {
-            mWorkPhoneRingtonePreference.setSummary(R.string.work_sound_same_as_personal);
-        }
-        mWorkNotificationRingtonePreference.setSummary(R.string.work_sound_same_as_personal);
-        mWorkAlarmRingtonePreference.setSummary(R.string.work_sound_same_as_personal);
-    }
-
-    private void disableWorkSync() {
-        RingtoneManager.disableSyncFromParent(getManagedProfileContext());
-        disableWorkSyncSettings();
-    }
-
-    private void disableWorkSyncSettings() {
-        if (mWorkPhoneRingtonePreference != null) {
-            mWorkPhoneRingtonePreference.setEnabled(true);
-        }
-        mWorkNotificationRingtonePreference.setEnabled(true);
-        mWorkAlarmRingtonePreference.setEnabled(true);
-
-        updateWorkRingtoneSummaries();
-    }
-
-    private void updateWorkRingtoneSummaries() {
-        Context managedProfileContext = getManagedProfileContext();
-
-        if (mWorkPhoneRingtonePreference != null) {
-            mWorkPhoneRingtonePreference.setSummary(
-                    updateRingtoneName(managedProfileContext, RingtoneManager.TYPE_RINGTONE));
-        }
-        mWorkNotificationRingtonePreference.setSummary(
-                updateRingtoneName(managedProfileContext, RingtoneManager.TYPE_NOTIFICATION));
-        mWorkAlarmRingtonePreference.setSummary(
-                updateRingtoneName(managedProfileContext, RingtoneManager.TYPE_ALARM));
-    }
-
-    private void maybeRemoveWorkPreferences() {
-        if (mWorkPreferenceCategory == null) {
-            // No work preferences to remove
-            return;
-        }
-        getPreferenceScreen().removePreference(mWorkPreferenceCategory);
-        mWorkPreferenceCategory = null;
-        mWorkPhoneRingtonePreference = null;
-        mWorkNotificationRingtonePreference = null;
-        mWorkAlarmRingtonePreference = null;
-    }
-
-    public static class UnifyWorkDialogFragment extends InstrumentedDialogFragment
-            implements DialogInterface.OnClickListener {
-        private static final String TAG = "UnifyWorkDialogFragment";
-        private static final int REQUEST_CODE = 200;
-
-        @Override
-        public int getMetricsCategory() {
-            return MetricsEvent.DIALOG_UNIFY_SOUND_SETTINGS;
-        }
-
-        @Override
-        public Dialog onCreateDialog(Bundle savedInstanceState) {
-            return new AlertDialog.Builder(getActivity())
-                    .setTitle(R.string.work_sync_dialog_title)
-                    .setMessage(R.string.work_sync_dialog_message)
-                    .setPositiveButton(R.string.work_sync_dialog_yes, UnifyWorkDialogFragment.this)
-                    .setNegativeButton(android.R.string.no, null)
-                    .create();
-        }
-
-        public static void show(SoundSettings parent) {
-            FragmentManager fm = parent.getFragmentManager();
-            if (fm.findFragmentByTag(TAG) == null) {
-                UnifyWorkDialogFragment fragment = new UnifyWorkDialogFragment();
-                fragment.setTargetFragment(parent, REQUEST_CODE);
-                fragment.show(fm, TAG);
-            }
-        }
-
-        @Override
-        public void onClick(DialogInterface dialog, int which) {
-            SoundSettings soundSettings = (SoundSettings) getTargetFragment();
-            if (soundSettings.isAdded()) {
-                soundSettings.enableWorkSync();
-            }
         }
     }
 }

src/com/android/settings/notification/WorkSoundPreferenceController.java

@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2016 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.notification;
+
+import android.annotation.UserIdInt;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.FragmentManager;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.media.AudioSystem;
+import android.media.Ringtone;
+import android.media.RingtoneManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.provider.Settings;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import android.support.v7.preference.PreferenceGroup;
+import android.support.v7.preference.PreferenceScreen;
+import android.support.v7.preference.TwoStatePreference;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.DefaultRingtonePreference;
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.core.lifecycle.LifecycleObserver;
+import com.android.settings.core.lifecycle.events.OnResume;
+
+
+public class WorkSoundPreferenceController extends PreferenceController implements
+    OnPreferenceChangeListener, LifecycleObserver, OnResume {
+
+    private static final String TAG = "WorkSoundPrefController";
+    private static final String KEY_WORK_CATEGORY = "sound_work_settings_section";
+    private static final String KEY_WORK_USE_PERSONAL_SOUNDS = "work_use_personal_sounds";
+    private static final String KEY_WORK_PHONE_RINGTONE = "work_ringtone";
+    private static final String KEY_WORK_NOTIFICATION_RINGTONE = "work_notification_ringtone";
+    private static final String KEY_WORK_ALARM_RINGTONE = "work_alarm_ringtone";
+
+    private PreferenceGroup mWorkPreferenceCategory;
+    private TwoStatePreference mWorkUsePersonalSounds;
+    private Preference mWorkPhoneRingtonePreference;
+    private Preference mWorkNotificationRingtonePreference;
+    private Preference mWorkAlarmRingtonePreference;
+    private boolean mVoiceCapable;
+    private UserManager mUserManager;
+    private SoundSettings mParent;
+    private AudioHelper mHelper;
+
+    private @UserIdInt
+    int mManagedProfileId;
+
+    public WorkSoundPreferenceController(Context context, SoundSettings parent,
+        Lifecycle lifecycle) {
+        this(context, parent, lifecycle, new AudioHelper(context));
+    }
+
+    @VisibleForTesting
+    WorkSoundPreferenceController(Context context, SoundSettings parent, Lifecycle lifecycle,
+        AudioHelper helper) {
+        super(context);
+        mUserManager = UserManager.get(context);
+        mVoiceCapable = Utils.isVoiceCapable(mContext);
+        mParent = parent;
+        mHelper = helper;
+        if (lifecycle != null) {
+            lifecycle.addObserver(this);
+        }
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        // do nothing
+    }
+
+    @Override
+    public void onResume() {
+        if (isAvailable()) {
+            if ((mWorkPreferenceCategory == null)) {
+                // Work preferences not yet set
+                mParent.addPreferencesFromResource(R.xml.sound_work_settings);
+                initWorkPreferences();
+            }
+            if (!mWorkUsePersonalSounds.isChecked()) {
+                updateWorkRingtoneSummaries();
+            }
+        } else {
+            maybeRemoveWorkPreferences();
+        }
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_WORK_CATEGORY;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        mManagedProfileId = mHelper.getManagedProfileId(mUserManager);
+        return mManagedProfileId != UserHandle.USER_NULL && shouldShowRingtoneSettings();
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        return false;
+    }
+
+    /**
+     * Updates the summary of work preferences
+     *
+     * This controller listens to changes on the work ringtone preferences, identified by keys
+     * "work_ringtone", "work_notification_ringtone" and "work_alarm_ringtone".
+     */
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        int ringtoneType;
+        if (KEY_WORK_PHONE_RINGTONE.equals(preference.getKey())) {
+            ringtoneType = RingtoneManager.TYPE_RINGTONE;
+        } else if (KEY_WORK_NOTIFICATION_RINGTONE.equals(preference.getKey())) {
+            ringtoneType = RingtoneManager.TYPE_NOTIFICATION;
+        } else if (KEY_WORK_ALARM_RINGTONE.equals(preference.getKey())) {
+            ringtoneType = RingtoneManager.TYPE_ALARM;
+        } else {
+            return true;
+        }
+
+        preference.setSummary(updateRingtoneName(getManagedProfileContext(), ringtoneType));
+        return true;
+    }
+
+    // === Phone & notification ringtone ===
+
+    private boolean shouldShowRingtoneSettings() {
+        return !mHelper.isSingleVolume();
+    }
+
+    private CharSequence updateRingtoneName(Context context, int type) {
+        if (context == null) {
+            Log.e(TAG, "Unable to update ringtone name, no context provided");
+            return null;
+        }
+        Uri ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(context, type);
+        return Ringtone.getTitle(context, ringtoneUri, false /* followSettingsUri */,
+            true /* allowRemote */);
+    }
+
+    private Context getManagedProfileContext() {
+        if (mManagedProfileId == UserHandle.USER_NULL) {
+            return null;
+        }
+        return mHelper.createPackageContextAsUser(mManagedProfileId);
+    }
+
+    private DefaultRingtonePreference initWorkPreference(String key) {
+        DefaultRingtonePreference pref =
+            (DefaultRingtonePreference) mParent.getPreferenceScreen().findPreference(key);
+        pref.setOnPreferenceChangeListener(this);
+
+        // Required so that RingtonePickerActivity lists the work profile ringtones
+        pref.setUserId(mManagedProfileId);
+        return pref;
+    }
+
+    private void initWorkPreferences() {
+        mWorkPreferenceCategory = (PreferenceGroup) mParent.getPreferenceScreen()
+            .findPreference(KEY_WORK_CATEGORY);
+        mWorkUsePersonalSounds = (TwoStatePreference) mParent.getPreferenceScreen()
+            .findPreference(KEY_WORK_USE_PERSONAL_SOUNDS);
+        mWorkPhoneRingtonePreference = initWorkPreference(KEY_WORK_PHONE_RINGTONE);
+        mWorkNotificationRingtonePreference = initWorkPreference(KEY_WORK_NOTIFICATION_RINGTONE);
+        mWorkAlarmRingtonePreference = initWorkPreference(KEY_WORK_ALARM_RINGTONE);
+
+        if (!mVoiceCapable) {
+            mWorkPreferenceCategory.removePreference(mWorkPhoneRingtonePreference);
+            mWorkPhoneRingtonePreference = null;
+        }
+
+        Context managedProfileContext = getManagedProfileContext();
+        if (Settings.Secure.getIntForUser(managedProfileContext.getContentResolver(),
+            Settings.Secure.SYNC_PARENT_SOUNDS, 0, mManagedProfileId) == 1) {
+            enableWorkSyncSettings();
+        } else {
+            disableWorkSyncSettings();
+        }
+
+        mWorkUsePersonalSounds.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                if ((boolean) newValue) {
+                    UnifyWorkDialogFragment.show(mParent);
+                    return false;
+                } else {
+                    disableWorkSync();
+                    return true;
+                }
+            }
+        });
+    }
+
+    void enableWorkSync() {
+        RingtoneManager.enableSyncFromParent(getManagedProfileContext());
+        enableWorkSyncSettings();
+    }
+
+    private void enableWorkSyncSettings() {
+        mWorkUsePersonalSounds.setChecked(true);
+
+        if (mWorkPhoneRingtonePreference != null) {
+            mWorkPhoneRingtonePreference.setSummary(
+                com.android.settings.R.string.work_sound_same_as_personal);
+        }
+        mWorkNotificationRingtonePreference.setSummary(
+            com.android.settings.R.string.work_sound_same_as_personal);
+        mWorkAlarmRingtonePreference.setSummary(
+            com.android.settings.R.string.work_sound_same_as_personal);
+    }
+
+    private void disableWorkSync() {
+        RingtoneManager.disableSyncFromParent(getManagedProfileContext());
+        disableWorkSyncSettings();
+    }
+
+    private void disableWorkSyncSettings() {
+        if (mWorkPhoneRingtonePreference != null) {
+            mWorkPhoneRingtonePreference.setEnabled(true);
+        }
+        mWorkNotificationRingtonePreference.setEnabled(true);
+        mWorkAlarmRingtonePreference.setEnabled(true);
+
+        updateWorkRingtoneSummaries();
+    }
+
+    private void updateWorkRingtoneSummaries() {
+        Context managedProfileContext = getManagedProfileContext();
+
+        if (mWorkPhoneRingtonePreference != null) {
+            mWorkPhoneRingtonePreference.setSummary(
+                updateRingtoneName(managedProfileContext, RingtoneManager.TYPE_RINGTONE));
+        }
+        mWorkNotificationRingtonePreference.setSummary(
+            updateRingtoneName(managedProfileContext, RingtoneManager.TYPE_NOTIFICATION));
+        mWorkAlarmRingtonePreference.setSummary(
+            updateRingtoneName(managedProfileContext, RingtoneManager.TYPE_ALARM));
+    }
+
+    private void maybeRemoveWorkPreferences() {
+        if (mWorkPreferenceCategory == null) {
+            // No work preferences to remove
+            return;
+        }
+        mParent.getPreferenceScreen().removePreference(mWorkPreferenceCategory);
+        mWorkPreferenceCategory = null;
+        mWorkPhoneRingtonePreference = null;
+        mWorkNotificationRingtonePreference = null;
+        mWorkAlarmRingtonePreference = null;
+    }
+
+    public static class UnifyWorkDialogFragment extends InstrumentedDialogFragment
+        implements DialogInterface.OnClickListener {
+        private static final String TAG = "UnifyWorkDialogFragment";
+        private static final int REQUEST_CODE = 200;
+
+        @Override
+        public int getMetricsCategory() {
+            return MetricsEvent.DIALOG_UNIFY_SOUND_SETTINGS;
+        }
+
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+            return new AlertDialog.Builder(getActivity())
+                .setTitle(com.android.settings.R.string.work_sync_dialog_title)
+                .setMessage(com.android.settings.R.string.work_sync_dialog_message)
+                .setPositiveButton(com.android.settings.R.string.work_sync_dialog_yes,
+                    UnifyWorkDialogFragment.this)
+                .setNegativeButton(android.R.string.no, null)
+                .create();
+        }
+
+        public static void show(SoundSettings parent) {
+            FragmentManager fm = parent.getFragmentManager();
+            if (fm.findFragmentByTag(TAG) == null) {
+                UnifyWorkDialogFragment fragment = new UnifyWorkDialogFragment();
+                fragment.setTargetFragment(parent, REQUEST_CODE);
+                fragment.show(fm, TAG);
+            }
+        }
+
+        @Override
+        public void onClick(DialogInterface dialog, int which) {
+            SoundSettings soundSettings = (SoundSettings) getTargetFragment();
+            if (soundSettings.isAdded()) {
+                soundSettings.enableWorkSync();
+            }
+        }
+    }
+
+}

tests/robotests/src/com/android/settings/notification/WorkSoundPreferenceControllerTest.java

@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2016 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.notification;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceGroup;
+import android.support.v7.preference.PreferenceScreen;
+import android.support.v7.preference.TwoStatePreference;
+import android.telephony.TelephonyManager;
+
+import com.android.settings.DefaultRingtonePreference;
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class WorkSoundPreferenceControllerTest {
+
+    private static final String KEY_WORK_CATEGORY = "sound_work_settings_section";
+    private static final String KEY_WORK_USE_PERSONAL_SOUNDS = "work_use_personal_sounds";
+    private static final String KEY_WORK_PHONE_RINGTONE = "work_ringtone";
+    private static final String KEY_WORK_NOTIFICATION_RINGTONE = "work_notification_ringtone";
+    private static final String KEY_WORK_ALARM_RINGTONE = "work_alarm_ringtone";
+
+    @Mock
+    private Context mContext;
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private TelephonyManager mTelephonyManager;
+    @Mock
+    private AudioHelper mAudioHelper;
+    @Mock
+    private SoundSettings mFragment;
+
+    private WorkSoundPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTelephonyManager);
+        mController = new WorkSoundPreferenceController(mContext, mFragment, null, mAudioHelper);
+    }
+
+    @Test
+    public void isAvailable_managedProfileAndNotSingleVolume_shouldReturnTrue() {
+        when(mTelephonyManager.isVoiceCapable()).thenReturn(true);
+        when(mAudioHelper.getManagedProfileId(any(UserManager.class)))
+                .thenReturn(UserHandle.myUserId());
+        when(mAudioHelper.isSingleVolume()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_noManagedProfile_shouldReturnFalse() {
+        when(mTelephonyManager.isVoiceCapable()).thenReturn(true);
+        when(mAudioHelper.getManagedProfileId(any(UserManager.class)))
+                .thenReturn(UserHandle.USER_NULL);
+        when(mAudioHelper.isSingleVolume()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_singleVolume_shouldReturnFalse() {
+        when(mTelephonyManager.isVoiceCapable()).thenReturn(true);
+        when(mAudioHelper.getManagedProfileId(any(UserManager.class)))
+                .thenReturn(UserHandle.myUserId());
+        when(mAudioHelper.isSingleVolume()).thenReturn(true);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void onResume_available_shouldAddPreferenceCategory() {
+        when(mTelephonyManager.isVoiceCapable()).thenReturn(true);
+        when(mAudioHelper.getManagedProfileId(any(UserManager.class)))
+                .thenReturn(UserHandle.myUserId());
+        when(mAudioHelper.isSingleVolume()).thenReturn(false);
+        when(mFragment.getPreferenceScreen()).thenReturn(mScreen);
+        when(mScreen.findPreference(KEY_WORK_CATEGORY))
+            .thenReturn(mock(PreferenceGroup.class));
+        when(mScreen.findPreference(KEY_WORK_USE_PERSONAL_SOUNDS))
+            .thenReturn(mock(TwoStatePreference.class));
+        when(mScreen.findPreference(KEY_WORK_PHONE_RINGTONE))
+            .thenReturn(mock(DefaultRingtonePreference.class));
+        when(mScreen.findPreference(KEY_WORK_NOTIFICATION_RINGTONE))
+            .thenReturn(mock(DefaultRingtonePreference.class));
+        when(mScreen.findPreference(KEY_WORK_ALARM_RINGTONE))
+            .thenReturn(mock(DefaultRingtonePreference.class));
+        when(mAudioHelper.createPackageContextAsUser(anyInt())).thenReturn(mContext);
+
+        mController.onResume();
+
+        verify(mFragment).addPreferencesFromResource(R.xml.sound_work_settings);
+    }
+
+    @Test
+    public void onResume_notAvailable_shouldNotAddPreferenceCategory() {
+        when(mTelephonyManager.isVoiceCapable()).thenReturn(true);
+        when(mAudioHelper.getManagedProfileId(any(UserManager.class)))
+            .thenReturn(UserHandle.USER_NULL);
+        when(mAudioHelper.isSingleVolume()).thenReturn(true);
+        when(mFragment.getPreferenceScreen()).thenReturn(mScreen);
+
+        mController.onResume();
+
+        verify(mFragment, never()).addPreferencesFromResource(anyInt());
+    }
+
+    @Test
+    public void onPreferenceChange_shouldUpdateSummary() {
+        final Preference preference = mock(Preference.class);
+        when(preference.getKey()).thenReturn(KEY_WORK_PHONE_RINGTONE);
+
+        mController.onPreferenceChange(preference, "hello");
+
+        verify(preference).setSummary(anyString());
+    }
+
+}