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.common.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.common.R;
29 import com.android.contacts.common.model.AccountTypeManager;
30 import com.android.contacts.common.model.account.AccountType;
31 import com.android.contacts.common.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     private int mCustomLayout = -1;
45 
46     /**
47      * Filters that affect the list of accounts that is displayed by this adapter.
48      */
49     public enum AccountListFilter {
50         ALL_ACCOUNTS,                   // All read-only and writable accounts
51         ACCOUNTS_CONTACT_WRITABLE,      // Only where the account type is contact writable
52         ACCOUNTS_GROUP_WRITABLE         // Only accounts where the account type is group writable
53     }
54 
AccountsListAdapter(Context context, AccountListFilter accountListFilter)55     public AccountsListAdapter(Context context, AccountListFilter accountListFilter) {
56         this(context, accountListFilter, null);
57     }
58 
59     /**
60      * @param currentAccount the Account currently selected by the user, which should come
61      * first in the list. Can be null.
62      */
AccountsListAdapter(Context context, AccountListFilter accountListFilter, AccountWithDataSet currentAccount)63     public AccountsListAdapter(Context context, AccountListFilter accountListFilter,
64             AccountWithDataSet currentAccount) {
65         mContext = context;
66         mAccountTypes = AccountTypeManager.getInstance(context);
67         mAccounts = getAccounts(accountListFilter);
68         if (currentAccount != null
69                 && !mAccounts.isEmpty()
70                 && !mAccounts.get(0).equals(currentAccount)
71                 && mAccounts.remove(currentAccount)) {
72             mAccounts.add(0, currentAccount);
73         }
74         mInflater = LayoutInflater.from(context);
75     }
76 
getAccounts(AccountListFilter accountListFilter)77     private List<AccountWithDataSet> getAccounts(AccountListFilter accountListFilter) {
78         if (accountListFilter == AccountListFilter.ACCOUNTS_GROUP_WRITABLE) {
79             return new ArrayList<AccountWithDataSet>(mAccountTypes.getGroupWritableAccounts());
80         }
81         return new ArrayList<AccountWithDataSet>(mAccountTypes.getAccounts(
82                 accountListFilter == AccountListFilter.ACCOUNTS_CONTACT_WRITABLE));
83     }
84 
setCustomLayout(int customLayout)85     public void setCustomLayout(int customLayout) {
86         mCustomLayout = customLayout;
87     }
88 
89     @Override
getView(int position, View convertView, ViewGroup parent)90     public View getView(int position, View convertView, ViewGroup parent) {
91         final View resultView = convertView != null ? convertView :
92                 mInflater.inflate(mCustomLayout > 0 ? mCustomLayout :
93                         R.layout.account_selector_list_item, parent, false);
94 
95         final TextView text1 = (TextView) resultView.findViewById(android.R.id.text1);
96         final TextView text2 = (TextView) resultView.findViewById(android.R.id.text2);
97         final ImageView icon = (ImageView) resultView.findViewById(android.R.id.icon);
98 
99         final AccountWithDataSet account = mAccounts.get(position);
100         final AccountType accountType = mAccountTypes.getAccountType(account.type, account.dataSet);
101 
102         text1.setText(accountType.getDisplayLabel(mContext));
103 
104         // For email addresses, we don't want to truncate at end, which might cut off the domain
105         // name.
106         text2.setText(account.name);
107         text2.setEllipsize(TruncateAt.MIDDLE);
108 
109         icon.setImageDrawable(accountType.getDisplayIcon(mContext));
110 
111         return resultView;
112     }
113 
114     @Override
getCount()115     public int getCount() {
116         return mAccounts.size();
117     }
118 
119     @Override
getItem(int position)120     public AccountWithDataSet getItem(int position) {
121         return mAccounts.get(position);
122     }
123 
124     @Override
getItemId(int position)125     public long getItemId(int position) {
126         return position;
127     }
128 }
129 
130