105 lines
3.7 KiB
Java
105 lines
3.7 KiB
Java
/*
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* Copyright (C) 2020 The LineageOS 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 static android.provider.Settings.System.MIN_REFRESH_RATE;
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import android.content.Context;
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import android.provider.Settings;
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import android.view.Display;
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import androidx.preference.ListPreference;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Locale;
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public class MinRefreshRatePreferenceController extends BasePreferenceController
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implements Preference.OnPreferenceChangeListener {
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private static final String KEY_MIN_REFRESH_RATE = "min_refresh_rate";
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private ListPreference mListPreference;
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private List<String> mEntries = new ArrayList<>();
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private List<String> mValues = new ArrayList<>();
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public MinRefreshRatePreferenceController(Context context) {
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super(context, KEY_MIN_REFRESH_RATE);
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if (mContext.getResources().getBoolean(R.bool.config_show_min_refresh_rate_switch)) {
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Display.Mode mode = mContext.getDisplay().getMode();
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Display.Mode[] modes = mContext.getDisplay().getSupportedModes();
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Arrays.sort(modes, (mode1, mode2) ->
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Float.compare(mode2.getRefreshRate(), mode1.getRefreshRate()));
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for (Display.Mode m : modes) {
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if (m.getPhysicalWidth() == mode.getPhysicalWidth() &&
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m.getPhysicalHeight() == mode.getPhysicalHeight()) {
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mEntries.add(String.format("%.02fHz", m.getRefreshRate())
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.replaceAll("[\\.,]00", ""));
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mValues.add(String.format(Locale.US, "%.02f", m.getRefreshRate()));
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}
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}
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}
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}
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@Override
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public int getAvailabilityStatus() {
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return mEntries.size() > 1 ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
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}
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@Override
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public String getPreferenceKey() {
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return KEY_MIN_REFRESH_RATE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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mListPreference = screen.findPreference(getPreferenceKey());
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mListPreference.setEntries(mEntries.toArray(new String[mEntries.size()]));
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mListPreference.setEntryValues(mValues.toArray(new String[mValues.size()]));
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super.displayPreference(screen);
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}
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@Override
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public void updateState(Preference preference) {
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final float currentValue = Settings.System.getFloat(mContext.getContentResolver(),
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MIN_REFRESH_RATE, 60.00f);
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int index = mListPreference.findIndexOfValue(
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String.format(Locale.US, "%.02f", currentValue));
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if (index < 0) index = 0;
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mListPreference.setValueIndex(index);
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mListPreference.setSummary(mListPreference.getEntries()[index]);
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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Settings.System.putFloat(mContext.getContentResolver(), MIN_REFRESH_RATE,
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Float.valueOf((String) newValue));
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updateState(preference);
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return true;
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}
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}
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