2024-01-10 18:54:00 +01:00
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/* Copyright (C) 2023-2024 José Rebelo
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2023-12-05 12:45:32 +01:00
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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2024-01-10 18:54:00 +01:00
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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2023-12-05 12:45:32 +01:00
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package nodomain.freeyourgadget.gadgetbridge.activities.devicesettings;
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import android.text.InputFilter;
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import android.text.InputType;
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import android.text.Spanned;
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import androidx.preference.EditTextPreference;
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import androidx.preference.ListPreference;
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import androidx.preference.MultiSelectListPreference;
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import androidx.preference.Preference;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
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public final class DeviceSettingsUtils {
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private static final Logger LOG = LoggerFactory.getLogger(DeviceSettingsUtils.class);
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private DeviceSettingsUtils() {
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// utility class
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}
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/**
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* Returns the preference key where to save the list of possible value for a preference, comma-separated.
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*/
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public static String getPrefPossibleValuesKey(final String key) {
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return String.format(Locale.ROOT, "%s_possible_values", key);
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}
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2023-12-05 14:23:18 +01:00
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/**
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* Returns the preference key where to save the list of entry labels for a preference, comma-separated.
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*/
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public static String getPrefPossibleValueLabelsKey(final String key) {
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return String.format(Locale.ROOT, "%s_possible_value_labels", key);
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}
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/**
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* Returns the preference key where to that a config was reported as supported (boolean).
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*/
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public static String getPrefKnownConfig(final String key) {
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return String.format(Locale.ROOT, "%s_is_known", key);
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}
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/**
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* Populates a list preference, or hides it if no known supported values are known.
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*/
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public static void populateOrHideListPreference(final String prefKey,
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final DeviceSpecificSettingsHandler handler,
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final Prefs prefs) {
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final Preference pref = handler.findPreference(prefKey);
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if (pref == null) {
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return;
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}
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// Get the list of possible values for this preference, as reported by the band
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final List<String> possibleValues = prefs.getList(getPrefPossibleValuesKey(prefKey), null);
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if (possibleValues == null || possibleValues.isEmpty()) {
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// The band hasn't reported this setting, so we don't know the possible values.
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// Hide it
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pref.setVisible(false);
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return;
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}
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final CharSequence[] originalEntries;
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final CharSequence[] originalValues;
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if (pref instanceof ListPreference) {
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originalEntries = ((ListPreference) pref).getEntries();
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originalValues = ((ListPreference) pref).getEntryValues();
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} else if (pref instanceof MultiSelectListPreference) {
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originalEntries = ((MultiSelectListPreference) pref).getEntries();
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originalValues = ((MultiSelectListPreference) pref).getEntryValues();
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} else {
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LOG.error("Unknown list pref class {}", pref.getClass().getName());
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return;
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}
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final Map<CharSequence, CharSequence> entryNames = new HashMap<>();
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final List<String> knownLabels = prefs.getList(getPrefPossibleValueLabelsKey(prefKey), null);
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if (knownLabels != null) {
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// We got some known labels from the watch
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if (knownLabels.size() != possibleValues.size()) {
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LOG.warn(
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"Number of possible values ({}) and labels ({}) for {} differs - this should never happen",
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possibleValues.size(),
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knownLabels.size(),
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prefKey
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);
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// Abort and hide preference - we can't safely recover from this
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pref.setVisible(false);
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return;
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}
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for (int i = 0; i < knownLabels.size(); i++) {
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entryNames.put(possibleValues.get(i), knownLabels.get(i));
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}
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} else {
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for (int i = 0; i < originalEntries.length; i++) {
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entryNames.put(originalValues[i], originalEntries[i]);
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}
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}
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final CharSequence[] entries = new CharSequence[possibleValues.size()];
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final CharSequence[] values = new CharSequence[possibleValues.size()];
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for (int i = 0; i < possibleValues.size(); i++) {
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final String possibleValue = possibleValues.get(i);
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final CharSequence knownLabel = entryNames.get(possibleValue);
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if (knownLabel != null) {
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entries[i] = knownLabel;
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} else {
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entries[i] = handler.getContext().getString(R.string.menuitem_unknown_app, possibleValue);
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}
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values[i] = possibleValue;
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}
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if (pref instanceof ListPreference) {
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((ListPreference) pref).setEntries(entries);
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((ListPreference) pref).setEntryValues(values);
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} else if (pref instanceof MultiSelectListPreference) {
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((MultiSelectListPreference) pref).setEntries(entries);
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((MultiSelectListPreference) pref).setEntryValues(values);
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}
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}
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/**
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* Hides the the prefToHide preference if none of the preferences in the preferences list are
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* visible.
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*/
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public static void hidePrefIfNoneVisible(final DeviceSpecificSettingsHandler handler,
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final String prefToHide,
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final List<String> subPrefs) {
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final Preference pref = handler.findPreference(prefToHide);
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if (pref == null) {
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return;
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}
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for (final String subPrefKey : subPrefs) {
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final Preference subPref = handler.findPreference(subPrefKey);
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if (subPref == null) {
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continue;
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}
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if (subPref.isVisible()) {
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// At least one preference is visible
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return;
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}
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}
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// No preference was visible, hide
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pref.setVisible(false);
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}
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public static void enforceMinMax(final EditTextPreference pref, final int minValue, final int maxValue) {
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if (minValue >= maxValue) {
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LOG.warn("Invalid min/max values for {}: {}/{}", pref.getKey(), minValue, maxValue);
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return;
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}
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pref.setOnBindEditTextListener(p -> {
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p.setInputType(InputType.TYPE_CLASS_NUMBER);
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p.setFilters(new InputFilter[]{new MinMaxInputFilter(minValue, maxValue)});
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p.setSelection(p.getText().length());
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});
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}
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public static final class MinMaxInputFilter implements InputFilter {
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private final int min;
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private final int max;
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public MinMaxInputFilter(final int min, final int max) {
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this.min = min;
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this.max = max;
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}
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@Override
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public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
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try {
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final int input = Integer.parseInt(dest.toString() + source.toString());
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if (input >= min && input <= max) {
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return null;
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}
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} catch (final NumberFormatException ignored) {
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}
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return "";
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}
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}
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}
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