diff options
Diffstat (limited to 'java/com/android/incallui/legacyblocking/DeleteBlockedCallTask.java')
-rw-r--r-- | java/com/android/incallui/legacyblocking/DeleteBlockedCallTask.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/java/com/android/incallui/legacyblocking/DeleteBlockedCallTask.java b/java/com/android/incallui/legacyblocking/DeleteBlockedCallTask.java new file mode 100644 index 000000000..a3f2dfa4d --- /dev/null +++ b/java/com/android/incallui/legacyblocking/DeleteBlockedCallTask.java @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2016 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.incallui.legacyblocking; + +import android.Manifest.permission; +import android.annotation.TargetApi; +import android.content.Context; +import android.content.pm.PackageManager; +import android.database.Cursor; +import android.os.AsyncTask; +import android.os.Build.VERSION_CODES; +import android.provider.CallLog; +import android.support.v4.content.ContextCompat; +import com.android.dialer.common.LogUtil; +import com.android.dialer.telecom.TelecomUtil; +import java.util.Objects; + +/** + * Deletes a blocked call from the call log. This is only used on Android Marshmallow. On later + * versions of the OS, call blocking is implemented in the system and there's no need to mess with + * the call log. + */ +@TargetApi(VERSION_CODES.M) +public class DeleteBlockedCallTask extends AsyncTask<Void, Void, Long> { + + public static final String IDENTIFIER = "DeleteBlockedCallTask"; + + // Try to identify if a call log entry corresponds to a number which was blocked. We match by + // by comparing its creation time to the time it was added in the InCallUi and seeing if they + // fall within a certain threshold. + private static final int MATCH_BLOCKED_CALL_THRESHOLD_MS = 3000; + + private final Context context; + private final Listener listener; + private final String number; + private final long timeAddedMillis; + + /** + * Creates the task to delete the new {@link CallLog} entry from the given blocked number. + * + * @param number The blocked number. + * @param timeAddedMillis The time at which the call from the blocked number was placed. + */ + public DeleteBlockedCallTask( + Context context, Listener listener, String number, long timeAddedMillis) { + this.context = Objects.requireNonNull(context); + this.listener = Objects.requireNonNull(listener); + this.number = number; + this.timeAddedMillis = timeAddedMillis; + } + + @Override + public Long doInBackground(Void... params) { + if (ContextCompat.checkSelfPermission(context, permission.READ_CALL_LOG) + != PackageManager.PERMISSION_GRANTED + || ContextCompat.checkSelfPermission(context, permission.WRITE_CALL_LOG) + != PackageManager.PERMISSION_GRANTED) { + LogUtil.i("DeleteBlockedCallTask.doInBackground", "missing call log permissions"); + return -1L; + } + + // First, lookup the call log entry of the most recent call with this number. + try (Cursor cursor = + context + .getContentResolver() + .query( + TelecomUtil.getCallLogUri(context), + CallLogDeleteBlockedCallQuery.PROJECTION, + CallLog.Calls.NUMBER + "= ?", + new String[] {number}, + CallLog.Calls.DATE + " DESC LIMIT 1")) { + + // If match is found, delete this call log entry and return the call log entry id. + if (cursor != null && cursor.moveToFirst()) { + long creationTime = cursor.getLong(CallLogDeleteBlockedCallQuery.DATE_COLUMN_INDEX); + if (timeAddedMillis > creationTime + && timeAddedMillis - creationTime < MATCH_BLOCKED_CALL_THRESHOLD_MS) { + long callLogEntryId = cursor.getLong(CallLogDeleteBlockedCallQuery.ID_COLUMN_INDEX); + context + .getContentResolver() + .delete( + TelecomUtil.getCallLogUri(context), + CallLog.Calls._ID + " IN (" + callLogEntryId + ")", + null); + return callLogEntryId; + } + } + } + return -1L; + } + + @Override + public void onPostExecute(Long callLogEntryId) { + listener.onDeleteBlockedCallTaskComplete(callLogEntryId >= 0); + } + + /** Callback invoked when delete is complete. */ + public interface Listener { + + void onDeleteBlockedCallTaskComplete(boolean didFindEntry); + } + + private static class CallLogDeleteBlockedCallQuery { + + static final String[] PROJECTION = new String[] {CallLog.Calls._ID, CallLog.Calls.DATE}; + + static final int ID_COLUMN_INDEX = 0; + static final int DATE_COLUMN_INDEX = 1; + } +} |