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.util;
  
  import android.content.Context;
  import android.content.res.Resources.Theme;
  import androidx.annotation.StyleRes;
  import android.view.ContextThemeWrapper;
  
  /**
   * Same as {@link ContextThemeWrapper}, but the base context's theme attributes take precedence over
   * the wrapper context's. This is used to provide default values for theme attributes referenced in
   * layouts, to remove the risk of crashing the client because of using the wrong theme.
   */
  public class FallbackThemeWrapper extends ContextThemeWrapper {
  
    /**
     * Creates a new context wrapper with the specified theme.
     *
     * <p>The specified theme will be applied as fallbacks to the base context's theme. Any attributes
     * defined in the base context's theme will retain their original values. Otherwise values in
     * {@code themeResId} will be used.
     *
     * @param base The base context.
     * @param themeResId The theme to use as fallback.
     */
    public FallbackThemeWrapper(Context base, @StyleRes int themeResId) {
      super(base, themeResId);
    }
  
    /** {@inheritDoc} */
    @Override
    protected void onApplyThemeResource(Theme theme, int resId, boolean first) {
      theme.applyStyle(resId, false /* force */);
    }
  }
  