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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 package com.android.settings.display;
     15 
     16 import android.content.Context;
     17 import android.content.res.Resources;
     18 import android.provider.Settings;
     19 
     20 import com.android.settings.R;
     21 import com.android.settings.accessibility.ToggleFontSizePreferenceFragment;
     22 import com.android.settings.core.BasePreferenceController;
     23 
     24 public class FontSizePreferenceController extends BasePreferenceController {
     25 
     26     public FontSizePreferenceController(Context context, String key) {
     27         super(context, key);
     28     }
     29 
     30     @Override
     31     public int getAvailabilityStatus() {
     32         return AVAILABLE;
     33     }
     34 
     35     @Override
     36     public CharSequence getSummary() {
     37         final float currentScale = Settings.System.getFloat(mContext.getContentResolver(),
     38                 Settings.System.FONT_SCALE, 1.0f);
     39         final Resources res = mContext.getResources();
     40         final String[] entries = res.getStringArray(R.array.entries_font_size);
     41         final String[] strEntryValues = res.getStringArray(R.array.entryvalues_font_size);
     42         final int index = ToggleFontSizePreferenceFragment.fontSizeValueToIndex(currentScale,
     43                 strEntryValues);
     44         return entries[index];
     45     }
     46 }
     47