/* * 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; import android.content.AsyncQueryHandler; import android.database.Cursor; import android.net.Uri; import android.provider.VoicemailContract.Status; import android.provider.VoicemailContract.Voicemails; import android.util.Log; import com.android.common.io.MoreCloseables; import com.android.dialer.voicemail.VoicemailStatusHelperImpl; /** * Class used by {@link CallDetailActivity} to fire async content resolver queries. */ public class CallDetailActivityQueryHandler extends AsyncQueryHandler { private static final String TAG = "CallDetail"; private static final int QUERY_VOICEMAIL_CONTENT_TOKEN = 101; private static final int QUERY_VOICEMAIL_STATUS_TOKEN = 102; private final String[] VOICEMAIL_CONTENT_PROJECTION = new String[] { Voicemails.SOURCE_PACKAGE, Voicemails.HAS_CONTENT }; private static final int SOURCE_PACKAGE_COLUMN_INDEX = 0; private static final int HAS_CONTENT_COLUMN_INDEX = 1; private final CallDetailActivity mCallDetailActivity; public CallDetailActivityQueryHandler(CallDetailActivity callDetailActivity) { super(callDetailActivity.getContentResolver()); mCallDetailActivity = callDetailActivity; } /** * Fires a query to update voicemail status for the given voicemail record. On completion of the * query a call to {@link CallDetailActivity#updateVoicemailStatusMessage(Cursor)} is made. *
* if this is a voicemail record then it makes up to two asynchronous content resolver queries. * The first one to fetch voicemail content details and check if the voicemail record has audio. * If the voicemail record does not have an audio yet then it fires the second query to get the * voicemail status of the associated source. */ public void startVoicemailStatusQuery(Uri voicemailUri) { startQuery(QUERY_VOICEMAIL_CONTENT_TOKEN, null, voicemailUri, VOICEMAIL_CONTENT_PROJECTION, null, null, null); } @Override protected synchronized void onQueryComplete(int token, Object cookie, Cursor cursor) { try { if (token == QUERY_VOICEMAIL_CONTENT_TOKEN) { // Query voicemail status only if this voicemail record does not have audio. if (moveToFirst(cursor) && hasNoAudio(cursor)) { startQuery(QUERY_VOICEMAIL_STATUS_TOKEN, null, Status.buildSourceUri(getSourcePackage(cursor)), VoicemailStatusHelperImpl.PROJECTION, null, null, null); } else { // nothing to show in status mCallDetailActivity.updateVoicemailStatusMessage(null); } } else if (token == QUERY_VOICEMAIL_STATUS_TOKEN) { mCallDetailActivity.updateVoicemailStatusMessage(cursor); } else { Log.w(TAG, "Unknown query completed: ignoring: " + token); } } finally { MoreCloseables.closeQuietly(cursor); } } /** Check that the cursor is non-null and can be moved to first. */ private boolean moveToFirst(Cursor cursor) { if (cursor == null || !cursor.moveToFirst()) { Log.e(TAG, "Cursor not valid, could not move to first"); return false; } return true; } private boolean hasNoAudio(Cursor voicemailCursor) { return voicemailCursor.getInt(HAS_CONTENT_COLUMN_INDEX) == 0; } private String getSourcePackage(Cursor voicemailCursor) { return voicemailCursor.getString(SOURCE_PACKAGE_COLUMN_INDEX); } }