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      1 /*
      2  * Copyright (C) 2010 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.util;
     18 
     19 import android.content.Context;
     20 import android.text.TextUtils.TruncateAt;
     21 import android.view.LayoutInflater;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.widget.BaseAdapter;
     25 import android.widget.ImageView;
     26 import android.widget.TextView;
     27 
     28 import com.android.contacts.R;
     29 import com.android.contacts.model.AccountTypeManager;
     30 import com.android.contacts.model.account.AccountType;
     31 import com.android.contacts.model.account.AccountWithDataSet;
     32 
     33 import java.util.ArrayList;
     34 import java.util.List;
     35 
     36 /**
     37  * List-Adapter for Account selection
     38  */
     39 public final class AccountsListAdapter extends BaseAdapter {
     40     private final LayoutInflater mInflater;
     41     private final List<AccountWithDataSet> mAccounts;
     42     private final AccountTypeManager mAccountTypes;
     43     private final Context mContext;
     44 
     45     /**
     46      * Filters that affect the list of accounts that is displayed by this adapter.
     47      */
     48     public enum AccountListFilter {
     49         ALL_ACCOUNTS,                   // All read-only and writable accounts
     50         ACCOUNTS_CONTACT_WRITABLE,      // Only where the account type is contact writable
     51         ACCOUNTS_GROUP_WRITABLE         // Only accounts where the account type is group writable
     52     }
     53 
     54     public AccountsListAdapter(Context context, AccountListFilter accountListFilter) {
     55         this(context, accountListFilter, null);
     56     }
     57 
     58     /**
     59      * @param currentAccount the Account currently selected by the user, which should come
     60      * first in the list. Can be null.
     61      */
     62     public AccountsListAdapter(Context context, AccountListFilter accountListFilter,
     63             AccountWithDataSet currentAccount) {
     64         mContext = context;
     65         mAccountTypes = AccountTypeManager.getInstance(context);
     66         mAccounts = getAccounts(accountListFilter);
     67         if (currentAccount != null
     68                 && !mAccounts.isEmpty()
     69                 && !mAccounts.get(0).equals(currentAccount)
     70                 && mAccounts.remove(currentAccount)) {
     71             mAccounts.add(0, currentAccount);
     72         }
     73         mInflater = LayoutInflater.from(context);
     74     }
     75 
     76     private List<AccountWithDataSet> getAccounts(AccountListFilter accountListFilter) {
     77         if (accountListFilter == AccountListFilter.ACCOUNTS_GROUP_WRITABLE) {
     78             return new ArrayList<AccountWithDataSet>(mAccountTypes.getGroupWritableAccounts());
     79         }
     80         return new ArrayList<AccountWithDataSet>(mAccountTypes.getAccounts(
     81                 accountListFilter == AccountListFilter.ACCOUNTS_CONTACT_WRITABLE));
     82     }
     83 
     84     @Override
     85     public View getView(int position, View convertView, ViewGroup parent) {
     86         final View resultView = convertView != null ? convertView
     87                 : mInflater.inflate(R.layout.account_selector_list_item, parent, false);
     88 
     89         final TextView text1 = (TextView) resultView.findViewById(android.R.id.text1);
     90         final TextView text2 = (TextView) resultView.findViewById(android.R.id.text2);
     91         final ImageView icon = (ImageView) resultView.findViewById(android.R.id.icon);
     92 
     93         final AccountWithDataSet account = mAccounts.get(position);
     94         final AccountType accountType = mAccountTypes.getAccountType(account.type, account.dataSet);
     95 
     96         text1.setText(accountType.getDisplayLabel(mContext));
     97 
     98         // For email addresses, we don't want to truncate at end, which might cut off the domain
     99         // name.
    100         text2.setText(account.name);
    101         text2.setEllipsize(TruncateAt.MIDDLE);
    102 
    103         icon.setImageDrawable(accountType.getDisplayIcon(mContext));
    104 
    105         return resultView;
    106     }
    107 
    108     @Override
    109     public int getCount() {
    110         return mAccounts.size();
    111     }
    112 
    113     @Override
    114     public AccountWithDataSet getItem(int position) {
    115         return mAccounts.get(position);
    116     }
    117 
    118     @Override
    119     public long getItemId(int position) {
    120         return position;
    121     }
    122 }
    123 
    124