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      1 /*
      2  * Copyright (C) 2011 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.contacts.detail;
     18 
     19 import android.content.Context;
     20 import android.view.LayoutInflater;
     21 import android.view.View;
     22 import android.view.ViewGroup;
     23 import android.widget.BaseAdapter;
     24 
     25 import com.android.contacts.R;
     26 import com.android.contacts.model.AccountTypeManager;
     27 import com.android.contacts.model.account.AccountType;
     28 import com.android.contacts.util.StreamItemEntry;
     29 import com.google.common.collect.Lists;
     30 
     31 import java.util.List;
     32 
     33 /**
     34  * List adapter for stream items of a given contact.
     35  */
     36 public class StreamItemAdapter extends BaseAdapter {
     37     /** The header view, hidden under the tab carousel, if present. */
     38     private static final int ITEM_VIEW_TYPE_HEADER = 0;
     39     /** The updates in the list. */
     40     private static final int ITEM_VIEW_TYPE_STREAM_ITEM = 1;
     41 
     42     private final Context mContext;
     43     private final View.OnClickListener mItemClickListener;
     44     private final View.OnClickListener mPhotoClickListener;
     45     private final LayoutInflater mInflater;
     46 
     47     private List<StreamItemEntry> mStreamItems;
     48 
     49     public StreamItemAdapter(Context context, View.OnClickListener itemClickListener,
     50             View.OnClickListener photoClickListener) {
     51         mContext = context;
     52         mItemClickListener = itemClickListener;
     53         mPhotoClickListener = photoClickListener;
     54         mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     55         mStreamItems = Lists.newArrayList();
     56     }
     57 
     58     @Override
     59     public int getCount() {
     60         // The header should only be included as items in the list if there are other
     61         // stream items.
     62         int count = mStreamItems.size();
     63         return (count == 0) ? 0 : (count + 1);
     64     }
     65 
     66     @Override
     67     public Object getItem(int position) {
     68         if (position == 0) {
     69             return null;
     70         }
     71         return mStreamItems.get(position - 1);
     72     }
     73 
     74     @Override
     75     public long getItemId(int position) {
     76         if (position == 0) {
     77             return -1;
     78         }
     79         return position - 1;
     80     }
     81 
     82     @Override
     83     public boolean isEnabled(int position) {
     84         // Make all list items disabled, so they're not clickable.
     85         // We make child views clickable in getvView() if the account type supports
     86         // viewStreamItemActivity or viewStreamItemPhotoActivity.
     87         return false;
     88     }
     89 
     90     @Override
     91     public boolean areAllItemsEnabled() {
     92         // See isEnabled().
     93         return false;
     94     }
     95 
     96     @Override
     97     public View getView(int position, View convertView, ViewGroup parent) {
     98         if (position == 0) {
     99             return mInflater.inflate(R.layout.updates_header_contact, null);
    100         }
    101         final StreamItemEntry streamItem = (StreamItemEntry) getItem(position);
    102         final AccountTypeManager manager = AccountTypeManager.getInstance(mContext);
    103         final AccountType accountType =
    104                 manager.getAccountType(streamItem.getAccountType(), streamItem.getDataSet());
    105 
    106         final View view = ContactDetailDisplayUtils.createStreamItemView(
    107                 mInflater, mContext, convertView, streamItem,
    108                 // Only pass the photo click listener if the account type has the photo
    109                 // view activity.
    110                 (accountType.getViewStreamItemPhotoActivity() == null) ? null : mPhotoClickListener
    111                 );
    112         final View contentView = view.findViewById(R.id.stream_item_content);
    113 
    114         // If the account type has the stream item view activity, make the stream container
    115         // clickable.
    116         if (accountType.getViewStreamItemActivity() != null) {
    117             contentView.setTag(streamItem);
    118             contentView.setFocusable(true);
    119             contentView.setOnClickListener(mItemClickListener);
    120             contentView.setEnabled(true);
    121         } else {
    122             contentView.setTag(null);
    123             contentView.setFocusable(false);
    124             contentView.setOnClickListener(null);
    125             // setOnClickListener makes it clickable, so we need to overwrite it.
    126             contentView.setClickable(false);
    127             contentView.setEnabled(false);
    128         }
    129         return view;
    130     }
    131 
    132     @Override
    133     public int getViewTypeCount() {
    134         // ITEM_VIEW_TYPE_HEADER and ITEM_VIEW_TYPE_STREAM_ITEM
    135         return 2;
    136     }
    137 
    138     @Override
    139     public int getItemViewType(int position) {
    140         if (position == 0) {
    141             return ITEM_VIEW_TYPE_HEADER;
    142         }
    143         return ITEM_VIEW_TYPE_STREAM_ITEM;
    144     }
    145 
    146     public void setStreamItems(List<StreamItemEntry> streamItems) {
    147         mStreamItems = streamItems;
    148         notifyDataSetChanged();
    149     }
    150 }
    151