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/*
* Copyright (C) 2010 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.contacts.common.preference;
import android.content.ContentResolver;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.database.ContentObserver;
import android.os.Handler;
import android.provider.ContactsContract;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.text.TextUtils;
import com.android.contacts.common.R;
/**
* Manages user preferences for contacts.
*/
public final class ContactsPreferences implements OnSharedPreferenceChangeListener {
/**
* The value for the DISPLAY_ORDER key to show the given name first.
*/
public static final int DISPLAY_ORDER_PRIMARY = 1;
/**
* The value for the DISPLAY_ORDER key to show the family name first.
*/
public static final int DISPLAY_ORDER_ALTERNATIVE = 2;
public static final String DISPLAY_ORDER_KEY = "android.contacts.DISPLAY_ORDER";
/**
* The value for the SORT_ORDER key corresponding to sort by given name first.
*/
public static final int SORT_ORDER_PRIMARY = 1;
/**
* The value for the SORT_ORDER key corresponding to sort by family name first.
*/
public static final int SORT_ORDER_ALTERNATIVE = 2;
public static final String SORT_ORDER_KEY = "android.contacts.SORT_ORDER";
/**
* The values of SIMs serial numbers that have been imported
*/
public static final String IMPORTED_SIMS_SNS = "android.contacts.IMPORTED_SIMS";
public static final String PREF_DISPLAY_ONLY_PHONES = "only_phones";
public static final boolean PREF_DISPLAY_ONLY_PHONES_DEFAULT = false;
private final Context mContext;
private int mSortOrder = -1;
private int mDisplayOrder = -1;
private ChangeListener mListener = null;
private Handler mHandler;
private final SharedPreferences mPreferences;
public ContactsPreferences(Context context) {
mContext = context;
mHandler = new Handler();
mPreferences = mContext.getSharedPreferences(context.getPackageName(),
Context.MODE_PRIVATE);
maybeMigrateSystemSettings();
}
public boolean isSortOrderUserChangeable() {
return mContext.getResources().getBoolean(R.bool.config_sort_order_user_changeable);
}
public int getDefaultSortOrder() {
if (mContext.getResources().getBoolean(R.bool.config_default_sort_order_primary)) {
return SORT_ORDER_PRIMARY;
} else {
return SORT_ORDER_ALTERNATIVE;
}
}
public int getSortOrder() {
if (!isSortOrderUserChangeable()) {
return getDefaultSortOrder();
}
if (mSortOrder == -1) {
mSortOrder = mPreferences.getInt(SORT_ORDER_KEY, getDefaultSortOrder());
}
return mSortOrder;
}
public void setSortOrder(int sortOrder) {
mSortOrder = sortOrder;
final Editor editor = mPreferences.edit();
editor.putInt(SORT_ORDER_KEY, sortOrder);
editor.commit();
}
public String[] getImportedSims() {
String imported = mPreferences.getString(IMPORTED_SIMS_SNS, "");
if (!TextUtils.isEmpty(imported)) {
return imported.split("\\|");
} else {
return new String[0];
}
}
public void addImportedSims(String simSN) {
String imported = mPreferences.getString(IMPORTED_SIMS_SNS, "");
if (!TextUtils.isEmpty(imported)) {
imported += "|" + simSN;
} else {
imported = simSN;
}
final Editor editor = mPreferences.edit();
editor.putString(IMPORTED_SIMS_SNS, imported);
editor.commit();
}
public boolean isDisplayOrderUserChangeable() {
return mContext.getResources().getBoolean(R.bool.config_display_order_user_changeable);
}
public int getDefaultDisplayOrder() {
if (mContext.getResources().getBoolean(R.bool.config_default_display_order_primary)) {
return DISPLAY_ORDER_PRIMARY;
} else {
return DISPLAY_ORDER_ALTERNATIVE;
}
}
public int getDisplayOrder() {
if (!isDisplayOrderUserChangeable()) {
return getDefaultDisplayOrder();
}
if (mDisplayOrder == -1) {
mDisplayOrder = mPreferences.getInt(DISPLAY_ORDER_KEY, getDefaultDisplayOrder());
}
return mDisplayOrder;
}
public void setDisplayOrder(int displayOrder) {
mDisplayOrder = displayOrder;
final Editor editor = mPreferences.edit();
editor.putInt(DISPLAY_ORDER_KEY, displayOrder);
editor.commit();
}
public void registerChangeListener(ChangeListener listener) {
if (mListener != null) unregisterChangeListener();
mListener = listener;
// Reset preferences to "unknown" because they may have changed while the
// listener was unregistered.
mDisplayOrder = -1;
mSortOrder = -1;
mPreferences.registerOnSharedPreferenceChangeListener(this);
}
public void unregisterChangeListener() {
if (mListener != null) {
mListener = null;
}
mPreferences.unregisterOnSharedPreferenceChangeListener(this);
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, final String key) {
// This notification is not sent on the Ui thread. Use the previously created Handler
// to switch to the Ui thread
mHandler.post(new Runnable() {
@Override
public void run() {
if (DISPLAY_ORDER_KEY.equals(key)) {
mDisplayOrder = getDisplayOrder();
} else if (SORT_ORDER_KEY.equals(key)) {
mSortOrder = getSortOrder();
}
if (mListener != null) mListener.onChange();
}
});
}
public interface ChangeListener {
void onChange();
}
/**
* If there are currently no preferences (which means this is the first time we are run),
* check to see if there are any preferences stored in system settings (pre-L) which can be
* copied into our own SharedPreferences.
*/
private void maybeMigrateSystemSettings() {
if (!mPreferences.contains(SORT_ORDER_KEY)) {
int sortOrder = getDefaultSortOrder();
try {
sortOrder = Settings.System.getInt(mContext.getContentResolver(),
SORT_ORDER_KEY);
} catch (SettingNotFoundException e) {
}
setSortOrder(sortOrder);
}
if (!mPreferences.contains(DISPLAY_ORDER_KEY)) {
int displayOrder = getDefaultDisplayOrder();
try {
displayOrder = Settings.System.getInt(mContext.getContentResolver(),
DISPLAY_ORDER_KEY);
} catch (SettingNotFoundException e) {
}
setDisplayOrder(displayOrder);
}
}
}
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