content: /*
   * Copyright (C) 2007 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 android.preference;
  
  import android.content.Context;
  import android.content.Intent;
  import android.util.AttributeSet;
  
  import com.android.internal.util.XmlUtils;
  
  import org.xmlpull.v1.XmlPullParser;
  import org.xmlpull.v1.XmlPullParserException;
  
  import java.io.IOException;
  
  /**
   * The {@link PreferenceInflater} is used to inflate preference hierarchies from
   * XML files.
   * <p>
   * Do not construct this directly, instead use
   * {@link Context#getSystemService(String)} with
   * {@link Context#PREFERENCE_INFLATER_SERVICE}.
   *
   * @deprecated Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
   *      <a href="{@docRoot}reference/androidx/preference/package-summary.html">
   *      Preference Library</a> for consistent behavior across all devices. For more information on
   *      using the AndroidX Preference Library see
   *      <a href="{@docRoot}guide/topics/ui/settings.html">Settings</a>.
   */
  @Deprecated
  class PreferenceInflater extends GenericInflater<Preference, PreferenceGroup> {
      private static final String TAG = "PreferenceInflater";
      private static final String INTENT_TAG_NAME = "intent";
      private static final String EXTRA_TAG_NAME = "extra";
  
      private PreferenceManager mPreferenceManager;
      
      public PreferenceInflater(Context context, PreferenceManager preferenceManager) {
          super(context);
          init(preferenceManager);
      }
  
      PreferenceInflater(GenericInflater<Preference, PreferenceGroup> original, PreferenceManager preferenceManager, Context newContext) {
          super(original, newContext);
          init(preferenceManager);
      }
  
      @Override
      public GenericInflater<Preference, PreferenceGroup> cloneInContext(Context newContext) {
          return new PreferenceInflater(this, mPreferenceManager, newContext);
      }
      
      private void init(PreferenceManager preferenceManager) {
          mPreferenceManager = preferenceManager;
          setDefaultPackage("android.preference.");
      }
  
      @Override
      protected boolean onCreateCustomFromTag(XmlPullParser parser, Preference parentPreference,
              AttributeSet attrs) throws XmlPullParserException {
          final String tag = parser.getName();
          
          if (tag.equals(INTENT_TAG_NAME)) {
              Intent intent = null;
              
              try {
                  intent = Intent.parseIntent(getContext().getResources(), parser, attrs);
              } catch (IOException e) {
                  XmlPullParserException ex = new XmlPullParserException(
                          "Error parsing preference");
                  ex.initCause(e);
                  throw ex;
              }
              
              if (intent != null) {
                  parentPreference.setIntent(intent);
              }
              
              return true;
          } else if (tag.equals(EXTRA_TAG_NAME)) {
              getContext().getResources().parseBundleExtra(EXTRA_TAG_NAME, attrs,
                      parentPreference.getExtras());
              try {
                  XmlUtils.skipCurrentTag(parser);
              } catch (IOException e) {
                  XmlPullParserException ex = new XmlPullParserException(
                          "Error parsing preference");
                  ex.initCause(e);
                  throw ex;
              }
              return true;
          }
          
          return false;
      }
  
      @Override
      protected PreferenceGroup onMergeRoots(PreferenceGroup givenRoot, boolean attachToGivenRoot,
              PreferenceGroup xmlRoot) {
          // If we were given a Preferences, use it as the root (ignoring the root
          // Preferences from the XML file).
          if (givenRoot == null) {
              xmlRoot.onAttachedToHierarchy(mPreferenceManager);
              return xmlRoot;
          } else {
              return givenRoot;
          }
      }
      
  }
  