dbaea0f1c2
The key ACCESSIBILITY_FONT_SCALING_HAS_BEEN_CHANGED will be always ON after users modify the font size for the first time. Bug: 269679768 Test: make RunSettingsRoboTests ROBOTEST_FILTER=FontSizeDataTest Change-Id: I382e4ecd3c335d7b046f157cedc093fc40c3a77a
82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
/*
|
|
* Copyright (C) 2022 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.accessibility;
|
|
|
|
import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
|
|
import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
|
|
|
|
import android.content.ContentResolver;
|
|
import android.content.Context;
|
|
import android.content.res.Resources;
|
|
import android.provider.Settings;
|
|
|
|
import com.android.settingslib.R;
|
|
|
|
import java.util.Arrays;
|
|
import java.util.List;
|
|
import java.util.stream.Collectors;
|
|
|
|
/**
|
|
* Data class for storing the configurations related to the font size.
|
|
*/
|
|
final class FontSizeData extends PreviewSizeData<Float> {
|
|
private static final float FONT_SCALE_DEF_VALUE = 1.0f;
|
|
|
|
FontSizeData(Context context) {
|
|
super(context);
|
|
|
|
final Resources resources = getContext().getResources();
|
|
final ContentResolver resolver = getContext().getContentResolver();
|
|
final List<String> strEntryValues =
|
|
Arrays.asList(resources.getStringArray(R.array.entryvalues_font_size));
|
|
setDefaultValue(FONT_SCALE_DEF_VALUE);
|
|
final float currentScale =
|
|
Settings.System.getFloat(resolver, Settings.System.FONT_SCALE, getDefaultValue());
|
|
setInitialIndex(fontSizeValueToIndex(currentScale, strEntryValues.toArray(new String[0])));
|
|
setValues(strEntryValues.stream().map(Float::valueOf).collect(Collectors.toList()));
|
|
}
|
|
|
|
@Override
|
|
void commit(int currentProgress) {
|
|
final ContentResolver resolver = getContext().getContentResolver();
|
|
if (Settings.Secure.getInt(resolver,
|
|
Settings.Secure.ACCESSIBILITY_FONT_SCALING_HAS_BEEN_CHANGED,
|
|
/* def= */ OFF) != ON) {
|
|
Settings.Secure.putInt(resolver,
|
|
Settings.Secure.ACCESSIBILITY_FONT_SCALING_HAS_BEEN_CHANGED, ON);
|
|
}
|
|
Settings.System.putFloat(resolver, Settings.System.FONT_SCALE,
|
|
getValues().get(currentProgress));
|
|
}
|
|
|
|
/**
|
|
* Utility function that returns the index in a string array with which the represented value is
|
|
* the closest to a given float value.
|
|
*/
|
|
private static int fontSizeValueToIndex(float val, String[] indices) {
|
|
float lastVal = Float.parseFloat(indices[0]);
|
|
for (int i = 1; i < indices.length; i++) {
|
|
float thisVal = Float.parseFloat(indices[i]);
|
|
if (val < (lastVal + (thisVal - lastVal) * .5f)) {
|
|
return i - 1;
|
|
}
|
|
lastVal = thisVal;
|
|
}
|
|
return indices.length - 1;
|
|
}
|
|
}
|