1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.accessibility; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.View; 22 import android.view.accessibility.CaptioningManager; 23 import android.view.accessibility.CaptioningManager.CaptionStyle; 24 import android.widget.TextView; 25 26 import com.android.internal.widget.SubtitleView; 27 import com.android.settings.R; 28 29 public class PresetPreference extends ListDialogPreference { 30 private static final float DEFAULT_FONT_SIZE = 32f; 31 32 private final CaptioningManager mCaptioningManager; 33 34 public PresetPreference(Context context, AttributeSet attrs) { 35 super(context, attrs); 36 37 setDialogLayoutResource(R.layout.grid_picker_dialog); 38 setListItemLayoutResource(R.layout.preset_picker_item); 39 40 mCaptioningManager = (CaptioningManager) context.getSystemService( 41 Context.CAPTIONING_SERVICE); 42 } 43 44 @Override 45 public boolean shouldDisableDependents() { 46 return getValue() != CaptionStyle.PRESET_CUSTOM 47 || super.shouldDisableDependents(); 48 } 49 50 @Override 51 protected void onBindListItem(View view, int index) { 52 final View previewViewport = view.findViewById(R.id.preview_viewport); 53 final SubtitleView previewText = (SubtitleView) view.findViewById(R.id.preview); 54 final int value = getValueAt(index); 55 CaptionPropertiesFragment.applyCaptionProperties( 56 mCaptioningManager, previewText, previewViewport, value); 57 58 final float density = getContext().getResources().getDisplayMetrics().density; 59 previewText.setTextSize(DEFAULT_FONT_SIZE * density); 60 61 final CharSequence title = getTitleAt(index); 62 if (title != null) { 63 final TextView summary = (TextView) view.findViewById(R.id.summary); 64 summary.setText(title); 65 } 66 } 67 } 68
