services/core/java/com/android/server/notification/VisibilityExtractor.java

/*
* Copyright (C) 2014 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.server.notification;

import android.content.Context;
import android.service.notification.NotificationListenerService;
import android.util.Slog;

/**
 * Determines if the given notification can display sensitive content on the lockscreen.
 */
public class VisibilityExtractor implements NotificationSignalExtractor {
    private static final String TAG = "VisibilityExtractor";
    private static final boolean DBG = false;

    private RankingConfig mConfig;

    public void initialize(Context ctx, NotificationUsageStats usageStats) {
        if (DBG) Slog.d(TAG, "Initializing  " + getClass().getSimpleName() + ".");
    }

    public RankingReconsideration process(NotificationRecord record) {
        if (record == null || record.getNotification() == null) {
            if (DBG) Slog.d(TAG, "skipping empty notification");
            return null;
        }

        if (mConfig == null) {
            if (DBG) Slog.d(TAG, "missing config");
            return null;
        }

        record.setPackageVisibilityOverride(record.getChannel().getLockscreenVisibility());

        return null;
    }

    @Override
    public void setConfig(RankingConfig config) {
        mConfig = config;
    }
}