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/*
* Copyright (C) 2011 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.calllogutils;
import android.content.Context;
import android.provider.CallLog.Calls;
import android.telephony.PhoneNumberUtils;
import android.text.BidiFormatter;
import android.text.TextDirectionHeuristics;
import android.text.TextUtils;
import com.android.dialer.phonenumberutil.PhoneNumberHelper;
import com.google.common.base.Optional;
/** Helper for formatting and managing the display of phone numbers. */
public class PhoneNumberDisplayUtil {
/** Returns the string to display for the given phone number if there is no matching contact. */
public static CharSequence getDisplayName(
Context context, CharSequence number, int presentation, boolean isVoicemail) {
Optional<String> presentationString = getNameForPresentation(context, presentation);
if (presentationString.isPresent()) {
return presentationString.get();
}
if (isVoicemail) {
return context.getResources().getString(R.string.voicemail_string);
}
if (PhoneNumberHelper.isLegacyUnknownNumbers(number)) {
return context.getResources().getString(R.string.unknown);
}
return "";
}
/** Returns the string associated with the given presentation. */
public static Optional<String> getNameForPresentation(Context appContext, int presentation) {
if (presentation == Calls.PRESENTATION_UNKNOWN) {
return Optional.of(appContext.getResources().getString(R.string.unknown));
}
if (presentation == Calls.PRESENTATION_RESTRICTED) {
return Optional.of(PhoneNumberHelper.getDisplayNameForRestrictedNumber(appContext));
}
if (presentation == Calls.PRESENTATION_PAYPHONE) {
return Optional.of(appContext.getResources().getString(R.string.payphone));
}
return Optional.absent();
}
/**
* Returns the string to display for the given phone number.
*
* @param number the number to display
* @param formattedNumber the formatted number if available, may be null
*/
public static CharSequence getDisplayNumber(
Context context,
CharSequence number,
int presentation,
CharSequence formattedNumber,
CharSequence postDialDigits,
boolean isVoicemail) {
final CharSequence displayName = getDisplayName(context, number, presentation, isVoicemail);
if (!TextUtils.isEmpty(displayName)) {
return getTtsSpannableLtrNumber(displayName);
}
if (!TextUtils.isEmpty(formattedNumber)) {
return getTtsSpannableLtrNumber(formattedNumber);
} else if (!TextUtils.isEmpty(number)) {
return getTtsSpannableLtrNumber(number.toString() + postDialDigits);
} else {
return context.getResources().getString(R.string.unknown);
}
}
/** Returns number annotated as phone number in LTR direction. */
private static CharSequence getTtsSpannableLtrNumber(CharSequence number) {
return PhoneNumberUtils.createTtsSpannable(
BidiFormatter.getInstance().unicodeWrap(number.toString(), TextDirectionHeuristics.LTR));
}
}
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