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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.voicemailstatus;
import android.database.Cursor;
import android.provider.VoicemailContract.Status;
import com.android.dialer.database.VoicemailStatusQuery;
/**
* Interface used by the call log UI to determine what user message, if any, related to voicemail
* source status needs to be shown. The messages are returned in the order of importance.
*
* <p>The implementation of this interface interacts with the voicemail content provider to fetch
* statuses of all the registered voicemail sources and determines if any status message needs to be
* shown. The user of this interface must observe/listen to provider changes and invoke this class
* to check if any message needs to be shown.
*/
public class VoicemailStatusHelper {
/**
* Returns the number of active voicemail sources installed.
*
* <p>The number of sources is counted by querying the voicemail status table.
*
* @param cursor The caller is responsible for the life cycle of the cursor and resetting the
* position
*/
public int getNumberActivityVoicemailSources(Cursor cursor) {
int count = 0;
if (!cursor.moveToFirst()) {
return 0;
}
do {
if (isVoicemailSourceActive(cursor)) {
++count;
}
} while (cursor.moveToNext());
return count;
}
/**
* Returns whether the source status in the cursor corresponds to an active source. A source is
* active if its' configuration state is not NOT_CONFIGURED. For most voicemail sources, only OK
* and NOT_CONFIGURED are used. The OMTP visual voicemail client has the same behavior pre-NMR1.
* NMR1 visual voicemail will only set it to NOT_CONFIGURED when it is deactivated. As soon as
* activation is attempted, it will transition into CONFIGURING then into OK or other error state,
* NOT_CONFIGURED is never set through an error.
*/
private boolean isVoicemailSourceActive(Cursor cursor) {
return cursor.getString(VoicemailStatusQuery.SOURCE_PACKAGE_INDEX) != null
&& cursor.getInt(VoicemailStatusQuery.CONFIGURATION_STATE_INDEX)
!= Status.CONFIGURATION_STATE_NOT_CONFIGURED;
}
}
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