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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.launcher2;
     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 import com.android.launcher.R;
     31 
     32 /**
     33  * Adapter showing the types of items that can be added to a {@link Workspace}.
     34  */
     35 public class AddAdapter extends BaseAdapter {
     36 
     37     private final LayoutInflater mInflater;
     38 
     39     private final ArrayList<ListItem> mItems = new ArrayList<ListItem>();
     40 
     41     public static final int ITEM_SHORTCUT = 0;
     42     public static final int ITEM_APPWIDGET = 1;
     43     public static final int ITEM_APPLICATION = 2;
     44     public static final int ITEM_WALLPAPER = 3;
     45 
     46     /**
     47      * Specific item in our list.
     48      */
     49     public class ListItem {
     50         public final CharSequence text;
     51         public final Drawable image;
     52         public final int actionTag;
     53 
     54         public ListItem(Resources res, int textResourceId, int imageResourceId, int actionTag) {
     55             text = res.getString(textResourceId);
     56             if (imageResourceId != -1) {
     57                 image = res.getDrawable(imageResourceId);
     58             } else {
     59                 image = null;
     60             }
     61             this.actionTag = actionTag;
     62         }
     63     }
     64 
     65     public AddAdapter(Launcher launcher) {
     66         super();
     67 
     68         mInflater = (LayoutInflater) launcher.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     69 
     70         // Create default actions
     71         Resources res = launcher.getResources();
     72 
     73         mItems.add(new ListItem(res, R.string.group_wallpapers,
     74                 R.mipmap.ic_launcher_wallpaper, ITEM_WALLPAPER));
     75     }
     76 
     77     public View getView(int position, View convertView, ViewGroup parent) {
     78         ListItem item = (ListItem) getItem(position);
     79 
     80         if (convertView == null) {
     81             convertView = mInflater.inflate(R.layout.add_list_item, parent, false);
     82         }
     83 
     84         TextView textView = (TextView) convertView;
     85         textView.setTag(item);
     86         textView.setText(item.text);
     87         textView.setCompoundDrawablesWithIntrinsicBounds(item.image, null, null, null);
     88 
     89         return convertView;
     90     }
     91 
     92     public int getCount() {
     93         return mItems.size();
     94     }
     95 
     96     public Object getItem(int position) {
     97         return mItems.get(position);
     98     }
     99 
    100     public long getItemId(int position) {
    101         return position;
    102     }
    103 }
    104