| /* |
| * Copyright (C) 2013 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 android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Color; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.accessibility.CaptioningManager.CaptionStyle; |
| import android.widget.TextView; |
| |
| import com.android.internal.widget.SubtitleView; |
| import com.android.settings.R; |
| |
| /** |
| * Grid preference that allows the user to pick a captioning edge type. |
| */ |
| public class EdgeTypePreference extends ListDialogPreference { |
| private static final int DEFAULT_FOREGROUND_COLOR = Color.WHITE; |
| private static final int DEFAULT_BACKGROUND_COLOR = Color.TRANSPARENT; |
| private static final int DEFAULT_EDGE_COLOR = Color.BLACK; |
| private static final float DEFAULT_FONT_SIZE = 32f; |
| |
| public EdgeTypePreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| |
| final Resources res = context.getResources(); |
| setValues(res.getIntArray(R.array.captioning_edge_type_selector_values)); |
| setTitles(res.getStringArray(R.array.captioning_edge_type_selector_titles)); |
| setDialogLayoutResource(R.layout.grid_picker_dialog); |
| setListItemLayoutResource(R.layout.preset_picker_item); |
| } |
| |
| @Override |
| public boolean shouldDisableDependents() { |
| return getValue() == CaptionStyle.EDGE_TYPE_NONE || super.shouldDisableDependents(); |
| } |
| |
| @Override |
| protected void onBindListItem(View view, int index) { |
| final SubtitleView preview = (SubtitleView) view.findViewById(R.id.preview); |
| |
| preview.setForegroundColor(DEFAULT_FOREGROUND_COLOR); |
| preview.setBackgroundColor(DEFAULT_BACKGROUND_COLOR); |
| |
| final float density = getContext().getResources().getDisplayMetrics().density; |
| preview.setTextSize(DEFAULT_FONT_SIZE * density); |
| |
| final int value = getValueAt(index); |
| preview.setEdgeType(value); |
| preview.setEdgeColor(DEFAULT_EDGE_COLOR); |
| |
| final CharSequence title = getTitleAt(index); |
| if (title != null) { |
| final TextView summary = (TextView) view.findViewById(R.id.summary); |
| summary.setText(title); |
| } |
| } |
| } |