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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 package com.android.phone.vvm.omtp.fetch;
     17 
     18 import android.annotation.Nullable;
     19 import android.content.ContentResolver;
     20 import android.content.ContentValues;
     21 import android.content.Context;
     22 import android.net.Uri;
     23 import android.provider.VoicemailContract.Voicemails;
     24 import android.telecom.PhoneAccountHandle;
     25 import android.telecom.TelecomManager;
     26 import com.android.phone.R;
     27 import com.android.phone.vvm.omtp.VvmLog;
     28 import com.android.phone.vvm.omtp.imap.VoicemailPayload;
     29 import java.io.IOException;
     30 import java.io.OutputStream;
     31 import libcore.io.IoUtils;
     32 
     33 /**
     34  * Callback for when a voicemail payload is fetched. It copies the returned stream to the data
     35  * file corresponding to the voicemail.
     36  */
     37 public class VoicemailFetchedCallback {
     38     private static final String TAG = "VoicemailFetchedCallback";
     39 
     40     private final Context mContext;
     41     private final ContentResolver mContentResolver;
     42     private final Uri mUri;
     43     private final PhoneAccountHandle mPhoneAccountHandle;
     44 
     45     public VoicemailFetchedCallback(Context context, Uri uri,
     46         PhoneAccountHandle phoneAccountHandle) {
     47         mContext = context;
     48         mContentResolver = context.getContentResolver();
     49         mUri = uri;
     50         mPhoneAccountHandle = phoneAccountHandle;
     51     }
     52 
     53     /**
     54      * Saves the voicemail payload data into the voicemail provider then sets the "has_content" bit
     55      * of the voicemail to "1".
     56      *
     57      * @param voicemailPayload The object containing the content data for the voicemail
     58      */
     59     public void setVoicemailContent(@Nullable VoicemailPayload voicemailPayload) {
     60         if (voicemailPayload == null) {
     61             VvmLog.i(TAG, "Payload not found, message has unsupported format");
     62             ContentValues values = new ContentValues();
     63             values.put(Voicemails.TRANSCRIPTION,
     64                 mContext.getString(R.string.vvm_unsupported_message_format,
     65                     TelecomManager.from(mContext).getVoiceMailNumber(mPhoneAccountHandle)));
     66             updateVoicemail(values);
     67             return;
     68         }
     69 
     70         VvmLog.d(TAG, String.format("Writing new voicemail content: %s", mUri));
     71         OutputStream outputStream = null;
     72 
     73         try {
     74             outputStream = mContentResolver.openOutputStream(mUri);
     75             byte[] inputBytes = voicemailPayload.getBytes();
     76             if (inputBytes != null) {
     77                 outputStream.write(inputBytes);
     78             }
     79         } catch (IOException e) {
     80             VvmLog.w(TAG, String.format("File not found for %s", mUri));
     81             return;
     82         } finally {
     83             IoUtils.closeQuietly(outputStream);
     84         }
     85 
     86         // Update mime_type & has_content after we are done with file update.
     87         ContentValues values = new ContentValues();
     88         values.put(Voicemails.MIME_TYPE, voicemailPayload.getMimeType());
     89         values.put(Voicemails.HAS_CONTENT, true);
     90         updateVoicemail(values);
     91     }
     92 
     93     private void updateVoicemail(ContentValues values) {
     94         int updatedCount = mContentResolver.update(mUri, values, null, null);
     95         if (updatedCount != 1) {
     96             VvmLog
     97                 .e(TAG, "Updating voicemail should have updated 1 row, was: " + updatedCount);
     98         }
     99     }
    100 }
    101