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      1 /*
      2  * Copyright (C) 2014 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 androidx.appcompat.widget;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.inputmethod.EditorInfo;
     22 import android.view.inputmethod.InputConnection;
     23 import android.widget.CheckedTextView;
     24 
     25 import androidx.annotation.DrawableRes;
     26 import androidx.appcompat.content.res.AppCompatResources;
     27 
     28 /**
     29  * A {@link CheckedTextView} which supports compatible features on older versions of the platform.
     30  *
     31  * <p>This will automatically be used when you use {@link CheckedTextView} in your layouts
     32  * and the top-level activity / dialog is provided by
     33  * <a href="{@docRoot}topic/libraries/support-library/packages.html#v7-appcompat">appcompat</a>.
     34  * You should only need to manually use this class when writing custom views.</p>
     35  */
     36 public class AppCompatCheckedTextView extends CheckedTextView {
     37 
     38     private static final int[] TINT_ATTRS = {
     39             android.R.attr.checkMark
     40     };
     41 
     42     private final AppCompatTextHelper mTextHelper;
     43 
     44     public AppCompatCheckedTextView(Context context) {
     45         this(context, null);
     46     }
     47 
     48     public AppCompatCheckedTextView(Context context, AttributeSet attrs) {
     49         this(context, attrs, android.R.attr.checkedTextViewStyle);
     50     }
     51 
     52     public AppCompatCheckedTextView(Context context, AttributeSet attrs, int defStyleAttr) {
     53         super(TintContextWrapper.wrap(context), attrs, defStyleAttr);
     54 
     55         mTextHelper = new AppCompatTextHelper(this);
     56         mTextHelper.loadFromAttributes(attrs, defStyleAttr);
     57         mTextHelper.applyCompoundDrawablesTints();
     58 
     59         TintTypedArray a = TintTypedArray.obtainStyledAttributes(getContext(), attrs,
     60                 TINT_ATTRS, defStyleAttr, 0);
     61         setCheckMarkDrawable(a.getDrawable(0));
     62         a.recycle();
     63     }
     64 
     65     @Override
     66     public void setCheckMarkDrawable(@DrawableRes int resId) {
     67         setCheckMarkDrawable(AppCompatResources.getDrawable(getContext(), resId));
     68     }
     69 
     70     @Override
     71     public void setTextAppearance(Context context, int resId) {
     72         super.setTextAppearance(context, resId);
     73         if (mTextHelper != null) {
     74             mTextHelper.onSetTextAppearance(context, resId);
     75         }
     76     }
     77 
     78     @Override
     79     protected void drawableStateChanged() {
     80         super.drawableStateChanged();
     81         if (mTextHelper != null) {
     82             mTextHelper.applyCompoundDrawablesTints();
     83         }
     84     }
     85 
     86     @Override
     87     public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
     88         return AppCompatHintHelper.onCreateInputConnection(super.onCreateInputConnection(outAttrs),
     89                 outAttrs, this);
     90     }
     91 }
     92