| /* |
| * Copyright (C) 2018 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.core; |
| |
| import android.content.Context; |
| import androidx.preference.Preference; |
| |
| import com.android.settings.slices.SliceData; |
| |
| public abstract class SliderPreferenceController extends BasePreferenceController implements |
| Preference.OnPreferenceChangeListener { |
| |
| public SliderPreferenceController(Context context, String preferenceKey) { |
| super(context, preferenceKey); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| return setSliderPosition((int) newValue); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| if (preference instanceof com.android.settings.widget.SeekBarPreference) { |
| ((com.android.settings.widget.SeekBarPreference) preference) |
| .setProgress(getSliderPosition()); |
| } else if (preference instanceof androidx.preference.SeekBarPreference) { |
| ((androidx.preference.SeekBarPreference) preference) |
| .setValue(getSliderPosition()); |
| } |
| } |
| |
| /** |
| * @return the value of the Slider's position based on the range: [0, maxSteps). |
| */ |
| public abstract int getSliderPosition(); |
| |
| /** |
| * Set the slider to a new value. |
| * |
| * @param position of the slider. |
| * @return {@code true} if the position is successfully set. |
| */ |
| public abstract boolean setSliderPosition(int position); |
| |
| /** |
| * @return the number of steps supported by the slider. |
| */ |
| public abstract int getMaxSteps(); |
| |
| @Override |
| public int getSliceType() { |
| return SliceData.SliceType.SLIDER; |
| } |
| } |