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      1 /*
      2  * Copyright (C) 2017 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.setupwizardlib.template;
     18 
     19 import android.content.res.ColorStateList;
     20 import android.content.res.TypedArray;
     21 import android.util.AttributeSet;
     22 import android.widget.TextView;
     23 
     24 import com.android.setupwizardlib.R;
     25 import com.android.setupwizardlib.TemplateLayout;
     26 
     27 /**
     28  * A {@link Mixin} displaying a header text that can be set to different colors. This Mixin is
     29  * registered to the tempalte using HeaderMixin.class, and can be retrieved using:
     30  * {@code (ColoredHeaderMixin) templateLayout.getMixin(HeaderMixin.class}.
     31  */
     32 public class ColoredHeaderMixin extends HeaderMixin {
     33 
     34     /**
     35      * {@inheritDoc}
     36      */
     37     public ColoredHeaderMixin(TemplateLayout layout, AttributeSet attrs, int defStyleAttr) {
     38         super(layout, attrs, defStyleAttr);
     39 
     40         final TypedArray a = layout.getContext().obtainStyledAttributes(
     41                 attrs, R.styleable.SuwColoredHeaderMixin, defStyleAttr, 0);
     42 
     43         // Set the header color
     44         final ColorStateList headerColor =
     45                 a.getColorStateList(R.styleable.SuwColoredHeaderMixin_suwHeaderColor);
     46         if (headerColor != null) {
     47             setColor(headerColor);
     48         }
     49 
     50         a.recycle();
     51     }
     52 
     53     /**
     54      * Sets the color of the header text. This can also be set via XML using
     55      * {@code app:suwHeaderColor}.
     56      *
     57      * @param color The text color of the header.
     58      */
     59     public void setColor(ColorStateList color) {
     60         final TextView titleView = getTextView();
     61         if (titleView != null) {
     62             titleView.setTextColor(color);
     63         }
     64     }
     65 
     66     /**
     67      * @return The current text color of the header.
     68      */
     69     public ColorStateList getColor() {
     70         final TextView titleView = getTextView();
     71         return titleView != null ? titleView.getTextColors() : null;
     72     }
     73 }
     74