content: /*
   * Copyright (C) 2010 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.res.TypedArray;
  import android.util.AttributeSet;
  import android.view.View;
  import android.widget.FrameLayout;
  
  /**
   * @hide
   *
   * @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
  public class PreferenceFrameLayout extends FrameLayout {
      private static final int DEFAULT_BORDER_TOP = 0;
      private static final int DEFAULT_BORDER_BOTTOM = 0;
      private static final int DEFAULT_BORDER_LEFT = 0;
      private static final int DEFAULT_BORDER_RIGHT = 0;
      private final int mBorderTop;
      private final int mBorderBottom;
      private final int mBorderLeft;
      private final int mBorderRight;
      private boolean mPaddingApplied;
  
      public PreferenceFrameLayout(Context context) {
          this(context, null);
      }
  
      public PreferenceFrameLayout(Context context, AttributeSet attrs) {
          this(context, attrs, com.android.internal.R.attr.preferenceFrameLayoutStyle);
      }
  
      public PreferenceFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
          this(context, attrs, defStyleAttr, 0);
      }
  
      public PreferenceFrameLayout(
              Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
          super(context, attrs, defStyleAttr, defStyleRes);
          final TypedArray a = context.obtainStyledAttributes(attrs,
                  com.android.internal.R.styleable.PreferenceFrameLayout, defStyleAttr, defStyleRes);
  
          float density = context.getResources().getDisplayMetrics().density;
          int defaultBorderTop = (int) (density * DEFAULT_BORDER_TOP + 0.5f);
          int defaultBottomPadding = (int) (density * DEFAULT_BORDER_BOTTOM + 0.5f);
          int defaultLeftPadding = (int) (density * DEFAULT_BORDER_LEFT + 0.5f);
          int defaultRightPadding = (int) (density * DEFAULT_BORDER_RIGHT + 0.5f);
  
          mBorderTop = a.getDimensionPixelSize(
                  com.android.internal.R.styleable.PreferenceFrameLayout_borderTop,
                  defaultBorderTop);
          mBorderBottom = a.getDimensionPixelSize(
                  com.android.internal.R.styleable.PreferenceFrameLayout_borderBottom,
                  defaultBottomPadding);
          mBorderLeft = a.getDimensionPixelSize(
                  com.android.internal.R.styleable.PreferenceFrameLayout_borderLeft,
                  defaultLeftPadding);
          mBorderRight = a.getDimensionPixelSize(
                  com.android.internal.R.styleable.PreferenceFrameLayout_borderRight,
                  defaultRightPadding);
  
          a.recycle();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public LayoutParams generateLayoutParams(AttributeSet attrs) {
          return new LayoutParams(getContext(), attrs);
      }
  
      @Override
      public void addView(View child) {
          int borderTop = getPaddingTop();
          int borderBottom = getPaddingBottom();
          int borderLeft = getPaddingLeft();
          int borderRight = getPaddingRight();
  
          android.view.ViewGroup.LayoutParams params = child.getLayoutParams();
          LayoutParams layoutParams = params instanceof PreferenceFrameLayout.LayoutParams
              ? (PreferenceFrameLayout.LayoutParams) child.getLayoutParams() : null;
          // Check on the id of the child before adding it.
          if (layoutParams != null && layoutParams.removeBorders) {
              if (mPaddingApplied) {
                  borderTop -= mBorderTop;
                  borderBottom -= mBorderBottom;
                  borderLeft -= mBorderLeft;
                  borderRight -= mBorderRight;
                  mPaddingApplied = false;
              }
          } else {
              // Add the padding to the view group after determining if the
              // padding already exists.
              if (!mPaddingApplied) {
                  borderTop += mBorderTop;
                  borderBottom += mBorderBottom;
                  borderLeft += mBorderLeft;
                  borderRight += mBorderRight;
                  mPaddingApplied = true;
              }
          }
  
          int previousTop = getPaddingTop();
          int previousBottom = getPaddingBottom();
          int previousLeft = getPaddingLeft();
          int previousRight = getPaddingRight();
          if (previousTop != borderTop || previousBottom != borderBottom
                  || previousLeft != borderLeft || previousRight != borderRight) {
              setPadding(borderLeft, borderTop, borderRight, borderBottom);
          }
  
          super.addView(child);
      }
  
      public static class LayoutParams extends FrameLayout.LayoutParams {
          public boolean removeBorders = false;
          /**
           * {@inheritDoc}
           */
          public LayoutParams(Context c, AttributeSet attrs) {
              super(c, attrs);
  
              TypedArray a = c.obtainStyledAttributes(attrs,
                      com.android.internal.R.styleable.PreferenceFrameLayout_Layout);
              removeBorders = a.getBoolean(
                      com.android.internal.R.styleable.PreferenceFrameLayout_Layout_layout_removeBorders,
                      false);
              a.recycle();
          }
  
          /**
           * {@inheritDoc}
           */
          public LayoutParams(int width, int height) {
              super(width, height);
          }
      }
  }