/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.dream;
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import android.content.Context;
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import androidx.preference.Preference;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.widget.GearPreference;
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import com.android.settingslib.dream.DreamBackend;
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import com.android.settingslib.dream.DreamBackend.DreamInfo;
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import java.util.Optional;
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public class CurrentDreamPreferenceController extends BasePreferenceController {
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private final DreamBackend mBackend;
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public CurrentDreamPreferenceController(Context context, String key) {
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super(context, key);
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mBackend = DreamBackend.getInstance(context);
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}
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@Override
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public int getAvailabilityStatus() {
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return mBackend.getDreamInfos().size() > 0 ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
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}
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@Override
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public void updateState(Preference preference) {
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super.updateState(preference);
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setGearClickListenerForPreference(preference);
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}
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@Override
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public CharSequence getSummary() {
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return mBackend.getActiveDreamName();
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}
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private void setGearClickListenerForPreference(Preference preference) {
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if (!(preference instanceof GearPreference)) {
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return;
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}
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final GearPreference gearPreference = (GearPreference) preference;
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final Optional<DreamInfo> info = getActiveDreamInfo();
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if (!info.isPresent() || info.get().settingsComponentName == null) {
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gearPreference.setOnGearClickListener(null);
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return;
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}
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gearPreference.setOnGearClickListener(gearPref -> launchScreenSaverSettings());
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}
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private void launchScreenSaverSettings() {
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final Optional<DreamInfo> info = getActiveDreamInfo();
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if (!info.isPresent()) return;
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mBackend.launchSettings(mContext, info.get());
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}
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private Optional<DreamInfo> getActiveDreamInfo() {
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return mBackend.getDreamInfos()
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.stream()
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.filter((info) -> info.isActive)
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.findFirst();
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}
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}
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