bf1f5b5813
Only support explicitly approved Settings Slices, dictated by controllers which return true for the new method isSliceable. Updating the supported settings to a whitelist means that the method to return all available slices must be updated, and checking slicability when we index slices. Test: robotests Bug: 79779103 Change-Id: Ib2b9690cdd0036b5cc4a1cb846c52bce7c824ab9
91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
/*
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* Copyright (C) 2018 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.display;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import android.content.Context;
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import android.text.TextUtils;
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import com.android.internal.app.ColorDisplayController;
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import com.android.settings.core.SliderPreferenceController;
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import com.android.settings.widget.SeekBarPreference;
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public class NightDisplayIntensityPreferenceController extends SliderPreferenceController {
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private ColorDisplayController mController;
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public NightDisplayIntensityPreferenceController(Context context, String key) {
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super(context, key);
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mController = new ColorDisplayController(context);
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}
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@Override
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public int getAvailabilityStatus() {
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if (!ColorDisplayController.isAvailable(mContext)) {
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return UNSUPPORTED_ON_DEVICE;
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} else if (!mController.isActivated()) {
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return DISABLED_DEPENDENT_SETTING;
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}
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return AVAILABLE;
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}
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@Override
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public boolean isSliceable() {
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return TextUtils.equals(getPreferenceKey(), "night_display_temperature");
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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final SeekBarPreference preference = (SeekBarPreference) screen.findPreference(
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getPreferenceKey());
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preference.setContinuousUpdates(true);
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preference.setMax(getMaxSteps());
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}
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@Override
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public final void updateState(Preference preference) {
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super.updateState(preference);
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preference.setEnabled(mController.isActivated());
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}
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@Override
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public int getSliderPosition() {
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return convertTemperature(mController.getColorTemperature());
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}
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@Override
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public boolean setSliderPosition(int position) {
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return mController.setColorTemperature(convertTemperature(position));
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}
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@Override
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public int getMaxSteps() {
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return convertTemperature(mController.getMinimumColorTemperature());
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}
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/**
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* Inverts and range-adjusts a raw value from the SeekBar (i.e. [0, maxTemp-minTemp]), or
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* converts an inverted and range-adjusted value to the raw SeekBar value, depending on the
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* adjustment status of the input.
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*/
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private int convertTemperature(int temperature) {
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return mController.getMaximumColorTemperature() - temperature;
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}
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} |