1/*
2 * Copyright (C) 2015 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
17package android.support.v7.widget;
18
19import android.content.Context;
20import android.support.v7.appcompat.R;
21import android.util.AttributeSet;
22import android.widget.TextView;
23
24/**
25 * A {@link TextView} which supports compatible features on older version of the platform,
26 * including:
27 * <ul>
28 *     <li>Supports {@link R.attr#textAllCaps} style attribute which works back to
29 *     {@link android.os.Build.VERSION_CODES#ECLAIR_MR1 Eclair MR1}.</li>
30 * </ul>
31 *
32 * <p>This will automatically be used when you use {@link TextView} in your layouts.
33 * You should only need to manually use this class when writing custom views.</p>
34 */
35public class AppCompatTextView extends TextView {
36
37    private AppCompatTextHelper mTextHelper;
38
39    public AppCompatTextView(Context context) {
40        this(context, null);
41    }
42
43    public AppCompatTextView(Context context, AttributeSet attrs) {
44        this(context, attrs, android.R.attr.textViewStyle);
45    }
46
47    public AppCompatTextView(Context context, AttributeSet attrs, int defStyleAttr) {
48        super(context, attrs, defStyleAttr);
49
50        mTextHelper = new AppCompatTextHelper(this);
51        mTextHelper.loadFromAttributes(attrs, defStyleAttr);
52    }
53
54    @Override
55    public void setTextAppearance(Context context, int resId) {
56        super.setTextAppearance(context, resId);
57        if (mTextHelper != null) {
58            mTextHelper.onSetTextAppearance(context, resId);
59        }
60    }
61}
62