app_Settings/src/com/android/settings/notification/zen/ZenModeConversationsPreferenceController.java

/*
 * Copyright (C) 2020 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.settings.notification.zen;

import android.app.NotificationManager;
import android.content.Context;
import android.provider.Settings;

import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;

import com.android.settingslib.core.lifecycle.Lifecycle;

/**
 * Controls the summary for preference found at:
 *  Settings > Sound > Do Not Disturb > People > Conversations
 */
public class ZenModeConversationsPreferenceController extends AbstractZenModePreferenceController {
    private final ZenModeBackend mBackend;
    private Preference mPreference;

    public ZenModeConversationsPreferenceController(Context context,
            String key, Lifecycle lifecycle) {
        super(context, key, lifecycle);
        mBackend = ZenModeBackend.getInstance(context);
    }

    @Override
    public String getPreferenceKey() {
        return KEY;
    }

    @Override
    public boolean isAvailable() {
        return true;
    }

    @Override
    public void displayPreference(PreferenceScreen screen) {
        super.displayPreference(screen);
        mPreference = screen.findPreference(KEY);
    }

    @Override
    public void updateState(Preference preference) {
        super.updateState(preference);
        switch (getZenMode()) {
            case Settings.Global.ZEN_MODE_NO_INTERRUPTIONS:
            case Settings.Global.ZEN_MODE_ALARMS:
                mPreference.setEnabled(false);
                mPreference.setSummary(mBackend.getAlarmsTotalSilencePeopleSummary(
                        NotificationManager.Policy.PRIORITY_CATEGORY_CONVERSATIONS));
                break;
            default:
                preference.setEnabled(true);
                preference.setSummary(mBackend.getConversationSummary());
        }
    }
}