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/*
* 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.dialer.contacts.displaypreference;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.UserManager;
import android.preference.PreferenceManager;
import com.android.dialer.inject.ApplicationContext;
import javax.inject.Inject;
/**
* Implementation of {@link ContactDisplayPreferences} backed by a {@link SharedPreferences}. Can
* only be instantiated when the device is unlocked.
*/
public final class ContactDisplayPreferencesImpl implements ContactDisplayPreferences {
private final Context appContext;
private final SharedPreferences sharedPreferences;
private final String displayOrderKey;
private final String sortOrderKey;
@Inject
ContactDisplayPreferencesImpl(@ApplicationContext Context appContext) {
this.appContext = appContext;
// @Unencrypted preference would be a better choice, but Android Preference only supports the
// default file. Stub should be used instead when device is locked.
this.sharedPreferences = PreferenceManager.getDefaultSharedPreferences(appContext);
displayOrderKey = appContext.getString(R.string.display_options_view_names_as_key);
sortOrderKey = appContext.getString(R.string.display_options_sort_list_by_key);
}
@Override
public DisplayOrder getDisplayOrder() {
migrate();
if (!sharedPreferences.contains(displayOrderKey)) {
return DisplayOrder.PRIMARY;
}
return DisplayOrder.fromValue(appContext, sharedPreferences.getString(displayOrderKey, null));
}
@Override
public void setDisplayOrder(DisplayOrder displayOrder) {
sharedPreferences.edit().putString(displayOrderKey, displayOrder.getValue(appContext)).apply();
}
@Override
public SortOrder getSortOrder() {
migrate();
if (!sharedPreferences.contains(sortOrderKey)) {
return SortOrder.BY_PRIMARY;
}
return SortOrder.fromValue(appContext, sharedPreferences.getString(sortOrderKey, null));
}
@Override
public void setSortOrder(SortOrder sortOrder) {
sharedPreferences.edit().putString(sortOrderKey, sortOrder.getValue(appContext)).apply();
}
/**
* Moves the stored values to the standard location.
*
* <p>Usually preferences are stored in {@code package.name_preferences.xml}. However the old
* com.android.contacts.common.preference.ContactsPreferences stored it in {@code
* package.name.xml} which is incompatible with the regular {@link android.preference.Preference}
* widgets.
*/
private void migrate() {
if (!appContext.getSystemService(UserManager.class).isUserUnlocked()) {
return;
}
SharedPreferences oldPreference =
appContext.getSharedPreferences(appContext.getPackageName(), Context.MODE_PRIVATE);
if (oldPreference.contains(displayOrderKey) || oldPreference.contains(sortOrderKey)) {
sharedPreferences
.edit()
.putString(
displayOrderKey,
translateLegacyDisplayOrder(oldPreference.getInt(displayOrderKey, 1)))
.putString(sortOrderKey, translateLegacySortOrder(oldPreference.getInt(sortOrderKey, 1)))
.apply();
oldPreference.edit().remove(displayOrderKey).remove(sortOrderKey).apply();
}
}
private String translateLegacyDisplayOrder(int legacyValue) {
switch (legacyValue) {
case 2:
return DisplayOrder.ALTERNATIVE.getValue(appContext);
default:
return DisplayOrder.PRIMARY.getValue(appContext);
}
}
private String translateLegacySortOrder(int legacyValue) {
switch (legacyValue) {
case 2:
return SortOrder.BY_ALTERNATIVE.getValue(appContext);
default:
return SortOrder.BY_PRIMARY.getValue(appContext);
}
}
}
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