/*
* Copyright (C) 2009 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;
import com.android.contacts.model.AccountType;
import com.android.contacts.model.AccountTypeManager;
import com.android.contacts.model.AccountWithDataSet;
import com.android.contacts.test.NeededForTesting;
import com.android.i18n.phonenumbers.PhoneNumberUtil;
import android.content.Context;
import android.content.Intent;
import android.graphics.Rect;
import android.location.CountryDetector;
import android.net.Uri;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Im;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.telephony.PhoneNumberUtils;
import android.text.TextUtils;
import android.view.View;
import android.widget.TextView;
import java.util.List;
public class ContactsUtils {
private static final String TAG = "ContactsUtils";
private static final String WAIT_SYMBOL_AS_STRING = String.valueOf(PhoneNumberUtils.WAIT);
// TODO find a proper place for the canonical version of these
public interface ProviderNames {
String YAHOO = "Yahoo";
String GTALK = "GTalk";
String MSN = "MSN";
String ICQ = "ICQ";
String AIM = "AIM";
String XMPP = "XMPP";
String JABBER = "JABBER";
String SKYPE = "SKYPE";
String QQ = "QQ";
}
/**
* This looks up the provider name defined in
* ProviderNames from the predefined IM protocol id.
* This is used for interacting with the IM application.
*
* @param protocol the protocol ID
* @return the provider name the IM app uses for the given protocol, or null if no
* provider is defined for the given protocol
* @hide
*/
public static String lookupProviderNameFromId(int protocol) {
switch (protocol) {
case Im.PROTOCOL_GOOGLE_TALK:
return ProviderNames.GTALK;
case Im.PROTOCOL_AIM:
return ProviderNames.AIM;
case Im.PROTOCOL_MSN:
return ProviderNames.MSN;
case Im.PROTOCOL_YAHOO:
return ProviderNames.YAHOO;
case Im.PROTOCOL_ICQ:
return ProviderNames.ICQ;
case Im.PROTOCOL_JABBER:
return ProviderNames.JABBER;
case Im.PROTOCOL_SKYPE:
return ProviderNames.SKYPE;
case Im.PROTOCOL_QQ:
return ProviderNames.QQ;
}
return null;
}
/**
* Test if the given {@link CharSequence} contains any graphic characters,
* first checking {@link TextUtils#isEmpty(CharSequence)} to handle null.
*/
public static boolean isGraphic(CharSequence str) {
return !TextUtils.isEmpty(str) && TextUtils.isGraphic(str);
}
/**
* Returns true if two objects are considered equal. Two null references are equal here.
*/
@NeededForTesting
public static boolean areObjectsEqual(Object a, Object b) {
return a == b || (a != null && a.equals(b));
}
/**
* Returns true if two data with mimetypes which represent values in contact entries are
* considered equal for collapsing in the GUI. For caller-id, use
* {@link PhoneNumberUtils#compare(Context, String, String)} instead
*/
public static final boolean shouldCollapse(CharSequence mimetype1, CharSequence data1,
CharSequence mimetype2, CharSequence data2) {
// different mimetypes? don't collapse
if (!TextUtils.equals(mimetype1, mimetype2)) return false;
// exact same string? good, bail out early
if (TextUtils.equals(data1, data2)) return true;
// so if either is null, these two must be different
if (data1 == null || data2 == null) return false;
// if this is not about phone numbers, we know this is not a match (of course, some
// mimetypes could have more sophisticated matching is the future, e.g. addresses)
if (!TextUtils.equals(Phone.CONTENT_ITEM_TYPE, mimetype1)) return false;
// Now do the full phone number thing. split into parts, seperated by waiting symbol
// and compare them individually
final String[] dataParts1 = data1.toString().split(WAIT_SYMBOL_AS_STRING);
final String[] dataParts2 = data2.toString().split(WAIT_SYMBOL_AS_STRING);
if (dataParts1.length != dataParts2.length) return false;
final PhoneNumberUtil util = PhoneNumberUtil.getInstance();
for (int i = 0; i < dataParts1.length; i++) {
final String dataPart1 = dataParts1[i];
final String dataPart2 = dataParts2[i];
// substrings equal? shortcut, don't parse
if (TextUtils.equals(dataPart1, dataPart2)) continue;
// do a full parse of the numbers
switch (util.isNumberMatch(dataPart1, dataPart2)) {
case NOT_A_NUMBER:
// don't understand the numbers? let's play it safe
return false;
case NO_MATCH:
return false;
case EXACT_MATCH:
case SHORT_NSN_MATCH:
case NSN_MATCH:
break;
default:
throw new IllegalStateException("Unknown result value from phone number " +
"library");
}
}
return true;
}
/**
* Returns true if two {@link Intent}s are both null, or have the same action.
*/
public static final boolean areIntentActionEqual(Intent a, Intent b) {
if (a == b) {
return true;
}
if (a == null || b == null) {
return false;
}
return TextUtils.equals(a.getAction(), b.getAction());
}
/**
* @return The ISO 3166-1 two letters country code of the country the user
* is in.
*/
public static final String getCurrentCountryIso(Context context) {
CountryDetector detector =
(CountryDetector) context.getSystemService(Context.COUNTRY_DETECTOR);
return detector.detectCountry().getCountryIso();
}
public static boolean areContactWritableAccountsAvailable(Context context) {
final List<AccountWithDataSet> accounts =
AccountTypeManager.getInstance(context).getAccounts(true /* writeable */);
return !accounts.isEmpty();
}
public static boolean areGroupWritableAccountsAvailable(Context context) {
final List<AccountWithDataSet> accounts =
AccountTypeManager.getInstance(context).getGroupWritableAccounts();
return !accounts.isEmpty();
}
/**
* Returns the intent to launch for the given invitable account type and contact lookup URI.
* This will return null if the account type is not invitable (i.e. there is no
* {@link AccountType#getInviteContactActivityClassName()} or
* {@link AccountType#resPackageName}).
*/
public static Intent getInvitableIntent(AccountType accountType, Uri lookupUri) {
String resPackageName = accountType.resPackageName;
String className = accountType.getInviteContactActivityClassName();
if (TextUtils.isEmpty(resPackageName) || TextUtils.isEmpty(className)) {
return null;
}
Intent intent = new Intent();
intent.setClassName(resPackageName, className);
intent.setAction(ContactsContract.Intents.INVITE_CONTACT);
// Data is the lookup URI.
intent.setData(lookupUri);
return intent;
}
/**
* Returns a header view based on the R.layout.list_separator, where the
* containing {@link TextView} is set using the given textResourceId.
*/
public static View createHeaderView(Context context, int textResourceId) {
View view = View.inflate(context, R.layout.list_separator, null);
TextView textView = (TextView) view.findViewById(R.id.title);
textView.setText(context.getString(textResourceId));
return view;
}
/**
* Returns the {@link Rect} with left, top, right, and bottom coordinates
* that are equivalent to the given {@link View}'s bounds. This is equivalent to how the
* target {@link Rect} is calculated in {@link QuickContact#showQuickContact}.
*/
public static Rect getTargetRectFromView(Context context, View view) {
final float appScale = context.getResources().getCompatibilityInfo().applicationScale;
final int[] pos = new int[2];
view.getLocationOnScreen(pos);
final Rect rect = new Rect();
rect.left = (int) (pos[0] * appScale + 0.5f);
rect.top = (int) (pos[1] * appScale + 0.5f);
rect.right = (int) ((pos[0] + view.getWidth()) * appScale + 0.5f);
rect.bottom = (int) ((pos[1] + view.getHeight()) * appScale + 0.5f);
return rect;
}
}