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      1 /*
      2  * Copyright (C) 2008 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.launcher3;
     18 
     19 import android.content.Context;
     20 import android.content.res.Resources;
     21 import android.graphics.drawable.Drawable;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.widget.BaseAdapter;
     26 import android.widget.TextView;
     27 
     28 import java.util.ArrayList;
     29 
     30 /**
     31  * Adapter showing the types of items that can be added to a {@link Workspace}.
     32  */
     33 public class AddAdapter extends BaseAdapter {
     34 
     35     private final LayoutInflater mInflater;
     36 
     37     private final ArrayList<ListItem> mItems = new ArrayList<ListItem>();
     38 
     39     public static final int ITEM_SHORTCUT = 0;
     40     public static final int ITEM_APPWIDGET = 1;
     41     public static final int ITEM_APPLICATION = 2;
     42     public static final int ITEM_WALLPAPER = 3;
     43 
     44     /**
     45      * Specific item in our list.
     46      */
     47     public class ListItem {
     48         public final CharSequence text;
     49         public final Drawable image;
     50         public final int actionTag;
     51 
     52         public ListItem(Resources res, int textResourceId, int imageResourceId, int actionTag) {
     53             text = res.getString(textResourceId);
     54             if (imageResourceId != -1) {
     55                 image = res.getDrawable(imageResourceId);
     56             } else {
     57                 image = null;
     58             }
     59             this.actionTag = actionTag;
     60         }
     61     }
     62 
     63     public AddAdapter(Launcher launcher) {
     64         super();
     65 
     66         mInflater = (LayoutInflater) launcher.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     67 
     68         // Create default actions
     69         Resources res = launcher.getResources();
     70 
     71         mItems.add(new ListItem(res, R.string.group_wallpapers,
     72                 R.mipmap.ic_launcher_wallpaper, ITEM_WALLPAPER));
     73     }
     74 
     75     public View getView(int position, View convertView, ViewGroup parent) {
     76         ListItem item = (ListItem) getItem(position);
     77 
     78         if (convertView == null) {
     79             convertView = mInflater.inflate(R.layout.add_list_item, parent, false);
     80         }
     81 
     82         TextView textView = (TextView) convertView;
     83         textView.setTag(item);
     84         textView.setText(item.text);
     85         textView.setCompoundDrawablesWithIntrinsicBounds(item.image, null, null, null);
     86 
     87         return convertView;
     88     }
     89 
     90     public int getCount() {
     91         return mItems.size();
     92     }
     93 
     94     public Object getItem(int position) {
     95         return mItems.get(position);
     96     }
     97 
     98     public long getItemId(int position) {
     99         return position;
    100     }
    101 }
    102