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      1 /*
      2  * Copyright (C) 2009 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.settings;
     18 
     19 import android.content.Context;
     20 import android.content.res.TypedArray;
     21 import android.graphics.drawable.Drawable;
     22 import android.support.v7.preference.Preference;
     23 import android.support.v7.preference.PreferenceViewHolder;
     24 import android.util.AttributeSet;
     25 import android.widget.ImageView;
     26 import android.widget.TextView;
     27 
     28 public class IconPreferenceScreen extends Preference {
     29 
     30     private Drawable mIcon;
     31 
     32     // Whether or not the text and icon should be highlighted (as selected)
     33     private boolean mHighlight;
     34 
     35     public IconPreferenceScreen(Context context, AttributeSet attrs) {
     36         this(context, attrs, 0);
     37     }
     38 
     39     public IconPreferenceScreen(Context context, AttributeSet attrs, int defStyle) {
     40         super(context, attrs, defStyle);
     41         setLayoutResource(R.layout.preference_icon);
     42         TypedArray a = context.obtainStyledAttributes(attrs,
     43                 R.styleable.IconPreferenceScreen, defStyle, 0);
     44         mIcon = a.getDrawable(R.styleable.IconPreferenceScreen_icon);
     45     }
     46 
     47     @Override
     48     public void onBindViewHolder(PreferenceViewHolder view) {
     49         super.onBindViewHolder(view);
     50         ImageView imageView = (ImageView) view.findViewById(R.id.icon);
     51         if (imageView != null && mIcon != null) {
     52             imageView.setImageDrawable(mIcon);
     53         }
     54         TextView textView = (TextView) view.findViewById(android.R.id.title);
     55     }
     56 
     57     /**
     58      * Sets the icon for this Preference with a Drawable.
     59      *
     60      * @param icon The icon for this Preference
     61      */
     62     public void setIcon(Drawable icon) {
     63         if ((icon == null && mIcon != null) || (icon != null && !icon.equals(mIcon))) {
     64             mIcon = icon;
     65             notifyChanged();
     66         }
     67     }
     68 
     69     /**
     70      * Returns the icon of this Preference.
     71      *
     72      * @return The icon.
     73      * @see #setIcon(Drawable)
     74      */
     75     public Drawable getIcon() {
     76         return mIcon;
     77     }
     78 
     79     public void setHighlighted(boolean highlight) {
     80         mHighlight = highlight;
     81         notifyChanged();
     82     }
     83 }
     84