diff options
Diffstat (limited to 'java/com/android/voicemailomtp/sync/VoicemailStatusQueryHelper.java')
-rw-r--r-- | java/com/android/voicemailomtp/sync/VoicemailStatusQueryHelper.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/java/com/android/voicemailomtp/sync/VoicemailStatusQueryHelper.java b/java/com/android/voicemailomtp/sync/VoicemailStatusQueryHelper.java new file mode 100644 index 000000000..89ba0b494 --- /dev/null +++ b/java/com/android/voicemailomtp/sync/VoicemailStatusQueryHelper.java @@ -0,0 +1,113 @@ +/* + * 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.voicemailomtp.sync; + +import android.content.ContentResolver; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.provider.VoicemailContract; +import android.provider.VoicemailContract.Status; +import android.telecom.PhoneAccountHandle; + +/** + * Construct queries to interact with the voicemail status table. + */ +public class VoicemailStatusQueryHelper { + + final static String[] PROJECTION = new String[] { + Status._ID, // 0 + Status.CONFIGURATION_STATE, // 1 + Status.NOTIFICATION_CHANNEL_STATE, // 2 + Status.SOURCE_PACKAGE // 3 + }; + + public static final int _ID = 0; + public static final int CONFIGURATION_STATE = 1; + public static final int NOTIFICATION_CHANNEL_STATE = 2; + public static final int SOURCE_PACKAGE = 3; + + private Context mContext; + private ContentResolver mContentResolver; + private Uri mSourceUri; + + public VoicemailStatusQueryHelper(Context context) { + mContext = context; + mContentResolver = context.getContentResolver(); + mSourceUri = VoicemailContract.Status.buildSourceUri(mContext.getPackageName()); + } + + /** + * Check if the configuration state for the voicemail source is "ok", meaning that the + * source is set up. + * + * @param phoneAccount The phone account for the voicemail source to check. + * @return {@code true} if the voicemail source is configured, {@code} false otherwise, + * including if the voicemail source is not registered in the table. + */ + public boolean isVoicemailSourceConfigured(PhoneAccountHandle phoneAccount) { + return isFieldEqualTo(phoneAccount, CONFIGURATION_STATE, Status.CONFIGURATION_STATE_OK); + } + + /** + * Check if the notifications channel of a voicemail source is active. That is, when a new + * voicemail is available, if the server able to notify the device. + * + * @return {@code true} if notifications channel is active, {@code false} otherwise. + */ + public boolean isNotificationsChannelActive(PhoneAccountHandle phoneAccount) { + return isFieldEqualTo(phoneAccount, NOTIFICATION_CHANNEL_STATE, + Status.NOTIFICATION_CHANNEL_STATE_OK); + } + + /** + * Check if a field for an entry in the status table is equal to a specific value. + * + * @param phoneAccount The phone account of the voicemail source to query for. + * @param columnIndex The column index of the field in the returned query. + * @param value The value to compare against. + * @return {@code true} if the stored value is equal to the provided value. {@code false} + * otherwise. + */ + private boolean isFieldEqualTo(PhoneAccountHandle phoneAccount, int columnIndex, int value) { + Cursor cursor = null; + if (phoneAccount != null) { + String phoneAccountComponentName = phoneAccount.getComponentName().flattenToString(); + String phoneAccountId = phoneAccount.getId(); + if (phoneAccountComponentName == null || phoneAccountId == null) { + return false; + } + try { + String whereClause = + Status.PHONE_ACCOUNT_COMPONENT_NAME + "=? AND " + + Status.PHONE_ACCOUNT_ID + "=? AND " + Status.SOURCE_PACKAGE + "=?"; + String[] whereArgs = { phoneAccountComponentName, phoneAccountId, + mContext.getPackageName()}; + cursor = mContentResolver.query( + mSourceUri, PROJECTION, whereClause, whereArgs, null); + if (cursor != null && cursor.moveToFirst()) { + return cursor.getInt(columnIndex) == value; + } + } + finally { + if (cursor != null) { + cursor.close(); + } + } + } + return false; + } +} |