/*
* 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.ui;
import com.android.contacts.R;
import android.content.ContentResolver;
import android.content.Context;
import android.database.ContentObserver;
import android.provider.ContactsContract;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
/**
* Manages user preferences for contacts.
*/
public final class ContactsPreferences {
private Context mContext;
private ContentResolver mContentResolver;
private int mSortOrder = -1;
private int mDisplayOrder = -1;
private SettingsObserver mSettingsObserver;
public ContactsPreferences(Context context) {
mContext = context;
mContentResolver = context.getContentResolver();
mSettingsObserver = new SettingsObserver();
mSettingsObserver.register();
}
public boolean isSortOrderUserChangeable() {
return mContext.getResources().getBoolean(R.bool.config_sort_order_user_changeable);
}
private int getDefaultSortOrder() {
if (mContext.getResources().getBoolean(R.bool.config_default_sort_order_primary)) {
return ContactsContract.Preferences.SORT_ORDER_PRIMARY;
} else {
return ContactsContract.Preferences.SORT_ORDER_ALTERNATIVE;
}
}
public int getSortOrder() {
if (!isSortOrderUserChangeable()) {
return getDefaultSortOrder();
}
if (mSortOrder == -1) {
try {
mSortOrder = Settings.System.getInt(mContext.getContentResolver(),
ContactsContract.Preferences.SORT_ORDER);
} catch (SettingNotFoundException e) {
mSortOrder = getDefaultSortOrder();
}
}
return mSortOrder;
}
public void setSortOrder(int sortOrder) {
mSortOrder = sortOrder;
Settings.System.putInt(mContext.getContentResolver(),
ContactsContract.Preferences.SORT_ORDER, sortOrder);
}
public boolean isDisplayOrderUserChangeable() {
return mContext.getResources().getBoolean(R.bool.config_display_order_user_changeable);
}
private int getDefaultDisplayOrder() {
if (mContext.getResources().getBoolean(R.bool.config_default_display_order_primary)) {
return ContactsContract.Preferences.DISPLAY_ORDER_PRIMARY;
} else {
return ContactsContract.Preferences.DISPLAY_ORDER_ALTERNATIVE;
}
}
public int getDisplayOrder() {
if (!isDisplayOrderUserChangeable()) {
return getDefaultDisplayOrder();
}
if (mDisplayOrder == -1) {
try {
mDisplayOrder = Settings.System.getInt(mContext.getContentResolver(),
ContactsContract.Preferences.DISPLAY_ORDER);
} catch (SettingNotFoundException e) {
mDisplayOrder = getDefaultDisplayOrder();
}
}
return mDisplayOrder;
}
public void setDisplayOrder(int displayOrder) {
mDisplayOrder = displayOrder;
Settings.System.putInt(mContext.getContentResolver(),
ContactsContract.Preferences.DISPLAY_ORDER, displayOrder);
}
private class SettingsObserver extends ContentObserver {
public SettingsObserver() {
super(null);
}
public void register() {
mContentResolver.registerContentObserver(
Settings.System.getUriFor(
ContactsContract.Preferences.SORT_ORDER), false, this);
mContentResolver.registerContentObserver(
Settings.System.getUriFor(
ContactsContract.Preferences.DISPLAY_ORDER), false, this);
}
@Override
public void onChange(boolean selfChange) {
mSortOrder = -1;
mDisplayOrder = -1;
// TODO send a message to parent context to notify of the change
}
}
}