content: /*
   * Copyright (C) 2017 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.setupwizardlib.template;
  
  import android.content.res.ColorStateList;
  import android.content.res.TypedArray;
  import android.util.AttributeSet;
  import android.widget.TextView;
  import com.android.setupwizardlib.R;
  import com.android.setupwizardlib.TemplateLayout;
  
  /**
   * A {@link Mixin} displaying a header text that can be set to different colors. This Mixin is
   * registered to the template using HeaderMixin.class, and can be retrieved using: {@code
   * (ColoredHeaderMixin) templateLayout.getMixin(HeaderMixin.class}.
   */
  public class ColoredHeaderMixin extends HeaderMixin {
  
    /** {@inheritDoc} */
    public ColoredHeaderMixin(TemplateLayout layout, AttributeSet attrs, int defStyleAttr) {
      super(layout, attrs, defStyleAttr);
  
      final TypedArray a =
          layout
              .getContext()
              .obtainStyledAttributes(attrs, R.styleable.SuwColoredHeaderMixin, defStyleAttr, 0);
  
      // Set the header color
      final ColorStateList headerColor =
          a.getColorStateList(R.styleable.SuwColoredHeaderMixin_suwHeaderColor);
      if (headerColor != null) {
        setColor(headerColor);
      }
  
      a.recycle();
    }
  
    /**
     * Sets the color of the header text. This can also be set via XML using {@code
     * app:suwHeaderColor}.
     *
     * @param color The text color of the header.
     */
    public void setColor(ColorStateList color) {
      final TextView titleView = getTextView();
      if (titleView != null) {
        titleView.setTextColor(color);
      }
    }
  
    /** @return The current text color of the header. */
    public ColorStateList getColor() {
      final TextView titleView = getTextView();
      return titleView != null ? titleView.getTextColors() : null;
    }
  }
  