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/*
* Copyright (C) 2015 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.util;
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.provider.CallLog.Calls;
import android.telecom.PhoneAccountHandle;
import android.telecom.TelecomManager;
import android.text.TextUtils;
import android.util.Log;
public class TelecomUtil {
private static final String TAG = "TelecomUtil";
private static boolean sWarningLogged = false;
public static void silenceRinger(Context context) {
if (hasModifyPhoneStatePermission(context)) {
try {
getTelecomManager(context).silenceRinger();
} catch (SecurityException e) {
// Just in case
Log.w(TAG, "TelecomManager.silenceRinger called without permission.");
}
}
}
public static void cancelMissedCallsNotification(Context context) {
if (hasModifyPhoneStatePermission(context)) {
try {
getTelecomManager(context).cancelMissedCallsNotification();
} catch (SecurityException e) {
Log.w(TAG, "TelecomManager.cancelMissedCalls called without permission.");
}
}
}
public static Uri getAdnUriForPhoneAccount(Context context, PhoneAccountHandle handle) {
if (hasModifyPhoneStatePermission(context)) {
try {
return getTelecomManager(context).getAdnUriForPhoneAccount(handle);
} catch (SecurityException e) {
Log.w(TAG, "TelecomManager.getAdnUriForPhoneAccount called without permission.");
}
}
return null;
}
public static boolean handleMmi(Context context, String dialString,
PhoneAccountHandle handle) {
if (hasModifyPhoneStatePermission(context)) {
try {
if (handle == null) {
return getTelecomManager(context).handleMmi(dialString);
} else {
return getTelecomManager(context).handleMmi(dialString, handle);
}
} catch (SecurityException e) {
Log.w(TAG, "TelecomManager.handleMmi called without permission.");
}
}
return false;
}
public static Uri getCallLogUri(Context context) {
return hasReadWriteVoicemailPermissions(context) ? Calls.CONTENT_URI_WITH_VOICEMAIL
: Calls.CONTENT_URI;
}
public static boolean hasReadWriteVoicemailPermissions(Context context) {
return isDefaultDialer(context)
|| (hasPermission(context, Manifest.permission.READ_VOICEMAIL)
&& hasPermission(context, Manifest.permission.WRITE_VOICEMAIL));
}
public static boolean hasModifyPhoneStatePermission(Context context) {
return isDefaultDialer(context)
|| hasPermission(context, Manifest.permission.MODIFY_PHONE_STATE);
}
private static boolean hasPermission(Context context, String permission) {
return context.checkSelfPermission(permission)
== PackageManager.PERMISSION_GRANTED;
}
public static boolean isDefaultDialer(Context context) {
final boolean result = TextUtils.equals(context.getPackageName(),
getTelecomManager(context).getDefaultDialerPackage());
if (result) {
sWarningLogged = false;
} else {
if (!sWarningLogged) {
// Log only once to prevent spam.
Log.w(TAG, "Dialer is not currently set to be default dialer");
sWarningLogged = true;
}
}
return result;
}
private static TelecomManager getTelecomManager(Context context) {
return (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
}
}
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